From e44be643a51c9ee5c975c26a25f9182851fe64a6 Mon Sep 17 00:00:00 2001
From: Serge Koudoro <skab12@gmail.com>
Date: Sat, 9 Mar 2024 22:42:42 -0500
Subject: [PATCH] update 1.9.0 docs

---
 1.9.0/.buildinfo                                            | 2 +-
 1.9.0/api_changes.html                                      | 6 +++---
 1.9.0/cite.html                                             | 6 +++---
 1.9.0/devel/benchmarking.html                               | 6 +++---
 1.9.0/devel/coding_style_guideline.html                     | 6 +++---
 1.9.0/devel/commit_codes.html                               | 6 +++---
 1.9.0/devel/gitwash/configure_git.html                      | 6 +++---
 1.9.0/devel/gitwash/development_workflow.html               | 6 +++---
 1.9.0/devel/gitwash/dot2_dot3.html                          | 6 +++---
 1.9.0/devel/gitwash/following_latest.html                   | 6 +++---
 1.9.0/devel/gitwash/forking_hell.html                       | 6 +++---
 1.9.0/devel/gitwash/git_development.html                    | 6 +++---
 1.9.0/devel/gitwash/git_install.html                        | 6 +++---
 1.9.0/devel/gitwash/git_intro.html                          | 6 +++---
 1.9.0/devel/gitwash/git_resources.html                      | 6 +++---
 1.9.0/devel/gitwash/index.html                              | 6 +++---
 1.9.0/devel/gitwash/maintainer_workflow.html                | 6 +++---
 1.9.0/devel/gitwash/patching.html                           | 6 +++---
 1.9.0/devel/gitwash/set_up_fork.html                        | 6 +++---
 1.9.0/devel/index.html                                      | 6 +++---
 1.9.0/devel/installation_from_source.html                   | 6 +++---
 1.9.0/devel/intro.html                                      | 6 +++---
 1.9.0/devel/make_release.html                               | 6 +++---
 1.9.0/devel/toolchain.html                                  | 6 +++---
 1.9.0/developers.html                                       | 6 +++---
 .../contextual_enhancement/contextual_enhancement.html      | 6 +++---
 .../contextual_enhancement/fiber_to_bundle_coherence.html   | 6 +++---
 1.9.0/examples_built/contextual_enhancement/index.html      | 6 +++---
 .../contextual_enhancement/sg_execution_times.html          | 6 +++---
 1.9.0/examples_built/fiber_tracking/index.html              | 6 +++---
 .../fiber_tracking/linear_fascicle_evaluation.html          | 6 +++---
 1.9.0/examples_built/fiber_tracking/sg_execution_times.html | 6 +++---
 1.9.0/examples_built/fiber_tracking/surface_seed.html       | 6 +++---
 .../fiber_tracking/tracking_bootstrap_peaks.html            | 6 +++---
 .../fiber_tracking/tracking_deterministic.html              | 6 +++---
 .../fiber_tracking/tracking_introduction_eudx_1.html        | 6 +++---
 1.9.0/examples_built/fiber_tracking/tracking_pft.html       | 6 +++---
 .../fiber_tracking/tracking_probabilistic.html              | 6 +++---
 1.9.0/examples_built/fiber_tracking/tracking_ptt.html       | 6 +++---
 1.9.0/examples_built/fiber_tracking/tracking_rumba.html     | 6 +++---
 1.9.0/examples_built/fiber_tracking/tracking_sfm.html       | 6 +++---
 .../fiber_tracking/tracking_stopping_criterion.html         | 6 +++---
 1.9.0/examples_built/file_formats/index.html                | 6 +++---
 1.9.0/examples_built/file_formats/sg_execution_times.html   | 6 +++---
 1.9.0/examples_built/file_formats/streamline_formats.html   | 6 +++---
 1.9.0/examples_built/index.html                             | 6 +++---
 1.9.0/examples_built/multiprocessing/index.html             | 6 +++---
 .../multiprocessing/reconst_csa_parallel.html               | 6 +++---
 .../multiprocessing/reconst_csd_parallel.html               | 6 +++---
 .../examples_built/multiprocessing/sg_execution_times.html  | 6 +++---
 .../examples_built/preprocessing/brain_extraction_dwi.html  | 6 +++---
 1.9.0/examples_built/preprocessing/denoise_ascm.html        | 6 +++---
 1.9.0/examples_built/preprocessing/denoise_gibbs.html       | 6 +++---
 1.9.0/examples_built/preprocessing/denoise_localpca.html    | 6 +++---
 1.9.0/examples_built/preprocessing/denoise_mppca.html       | 6 +++---
 1.9.0/examples_built/preprocessing/denoise_nlmeans.html     | 6 +++---
 1.9.0/examples_built/preprocessing/denoise_patch2self.html  | 6 +++---
 1.9.0/examples_built/preprocessing/gradients_spheres.html   | 6 +++---
 1.9.0/examples_built/preprocessing/index.html               | 6 +++---
 1.9.0/examples_built/preprocessing/motion_correction.html   | 6 +++---
 1.9.0/examples_built/preprocessing/piesno.html              | 6 +++---
 1.9.0/examples_built/preprocessing/reslice_datasets.html    | 6 +++---
 1.9.0/examples_built/preprocessing/sg_execution_times.html  | 6 +++---
 1.9.0/examples_built/preprocessing/snr_in_cc.html           | 6 +++---
 1.9.0/examples_built/quick_start/index.html                 | 6 +++---
 1.9.0/examples_built/quick_start/quick_start.html           | 6 +++---
 1.9.0/examples_built/quick_start/sg_execution_times.html    | 6 +++---
 .../quick_start/tracking_introduction_eudx.html             | 6 +++---
 1.9.0/examples_built/reconstruction/histology_resdnn.html   | 6 +++---
 1.9.0/examples_built/reconstruction/index.html              | 6 +++---
 1.9.0/examples_built/reconstruction/kfold_xval.html         | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_csa.html        | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_csd.html        | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_cti.html        | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_dki.html        | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_dki_micro.html  | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_dsi.html        | 6 +++---
 .../examples_built/reconstruction/reconst_dsi_metrics.html  | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_dsid.html       | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_dti.html        | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_forecast.html   | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_fwdti.html      | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_gqi.html        | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_ivim.html       | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_mapmri.html     | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_mcsd.html       | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_msdki.html      | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_qtdmri.html     | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_qti.html        | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_qtiplus.html    | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_rumba.html      | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_sfm.html        | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_sh.html         | 6 +++---
 1.9.0/examples_built/reconstruction/reconst_shore.html      | 6 +++---
 .../reconstruction/reconst_shore_metrics.html               | 6 +++---
 1.9.0/examples_built/reconstruction/restore_dti.html        | 6 +++---
 1.9.0/examples_built/reconstruction/sg_execution_times.html | 6 +++---
 .../examples_built/registration/affine_registration_3d.html | 6 +++---
 .../registration/affine_registration_masks.html             | 6 +++---
 .../registration/bundle_group_registration.html             | 6 +++---
 1.9.0/examples_built/registration/bundle_registration.html  | 6 +++---
 .../registration/bundlewarp_registration.html               | 6 +++---
 1.9.0/examples_built/registration/index.html                | 6 +++---
 .../examples_built/registration/register_binary_fuzzy.html  | 6 +++---
 1.9.0/examples_built/registration/sg_execution_times.html   | 6 +++---
 .../registration/streamline_registration.html               | 6 +++---
 1.9.0/examples_built/registration/syn_registration_2d.html  | 6 +++---
 1.9.0/examples_built/registration/syn_registration_3d.html  | 6 +++---
 .../examples_built/segmentation/brain_extraction_dwi_1.html | 6 +++---
 1.9.0/examples_built/segmentation/bundle_extraction.html    | 6 +++---
 .../examples_built/segmentation/fast_streamline_search.html | 6 +++---
 1.9.0/examples_built/segmentation/index.html                | 6 +++---
 .../segmentation/segment_clustering_features.html           | 6 +++---
 .../segmentation/segment_clustering_metrics.html            | 6 +++---
 .../segment_extending_clustering_framework.html             | 6 +++---
 1.9.0/examples_built/segmentation/segment_quickbundles.html | 6 +++---
 1.9.0/examples_built/segmentation/sg_execution_times.html   | 6 +++---
 .../examples_built/segmentation/tissue_classification.html  | 6 +++---
 1.9.0/examples_built/sg_execution_times.html                | 6 +++---
 1.9.0/examples_built/simulations/index.html                 | 6 +++---
 1.9.0/examples_built/simulations/reconst_dsid_1.html        | 6 +++---
 1.9.0/examples_built/simulations/sg_execution_times.html    | 6 +++---
 1.9.0/examples_built/simulations/simulate_dki.html          | 6 +++---
 1.9.0/examples_built/simulations/simulate_multi_tensor.html | 6 +++---
 .../streamline_analysis/afq_tract_profiles.html             | 6 +++---
 .../streamline_analysis/bundle_assignment_maps.html         | 6 +++---
 .../streamline_analysis/bundle_shape_similarity.html        | 6 +++---
 .../streamline_analysis/cluster_confidence.html             | 6 +++---
 1.9.0/examples_built/streamline_analysis/index.html         | 6 +++---
 .../examples_built/streamline_analysis/path_length_map.html | 6 +++---
 .../streamline_analysis/sg_execution_times.html             | 6 +++---
 .../streamline_analysis/streamline_length.html              | 6 +++---
 .../streamline_analysis/streamline_tools.html               | 6 +++---
 1.9.0/examples_built/visualization/index.html               | 6 +++---
 1.9.0/examples_built/visualization/sg_execution_times.html  | 6 +++---
 1.9.0/examples_built/visualization/viz_advanced.html        | 6 +++---
 1.9.0/examples_built/visualization/viz_bundles.html         | 6 +++---
 1.9.0/examples_built/visualization/viz_roi_contour.html     | 6 +++---
 1.9.0/examples_built/visualization/viz_slice.html           | 6 +++---
 .../workflows/combined_workflow_creation.html               | 6 +++---
 1.9.0/examples_built/workflows/index.html                   | 6 +++---
 1.9.0/examples_built/workflows/sg_execution_times.html      | 6 +++---
 1.9.0/examples_built/workflows/workflow_creation.html       | 6 +++---
 1.9.0/faq.html                                              | 6 +++---
 1.9.0/genindex.html                                         | 6 +++---
 1.9.0/gimbal_lock.html                                      | 6 +++---
 1.9.0/glossary.html                                         | 6 +++---
 1.9.0/index.html                                            | 6 +++---
 1.9.0/interfaces/basic_flow.html                            | 6 +++---
 1.9.0/interfaces/buan_flow.html                             | 6 +++---
 1.9.0/interfaces/bundle_segmentation_flow.html              | 6 +++---
 1.9.0/interfaces/bundlewarp_registration_flow.html          | 6 +++---
 1.9.0/interfaces/data_fetch.html                            | 6 +++---
 1.9.0/interfaces/denoise_flow.html                          | 6 +++---
 1.9.0/interfaces/gibbs_unringing_flow.html                  | 6 +++---
 1.9.0/interfaces/index.html                                 | 6 +++---
 1.9.0/interfaces/motion_flow.html                           | 6 +++---
 1.9.0/interfaces/reconstruction_flow.html                   | 6 +++---
 1.9.0/interfaces/registration_flow.html                     | 6 +++---
 1.9.0/interfaces/tracking_flow.html                         | 6 +++---
 1.9.0/old_highlights.html                                   | 6 +++---
 1.9.0/old_news.html                                         | 6 +++---
 1.9.0/py-modindex.html                                      | 6 +++---
 1.9.0/recipes.html                                          | 6 +++---
 1.9.0/reconstruction_models_list.html                       | 6 +++---
 1.9.0/reference/dipy.align.html                             | 6 +++---
 1.9.0/reference/dipy.core.html                              | 6 +++---
 1.9.0/reference/dipy.data.html                              | 6 +++---
 1.9.0/reference/dipy.denoise.html                           | 6 +++---
 1.9.0/reference/dipy.direction.html                         | 6 +++---
 1.9.0/reference/dipy.html                                   | 6 +++---
 1.9.0/reference/dipy.io.html                                | 6 +++---
 1.9.0/reference/dipy.nn.html                                | 6 +++---
 1.9.0/reference/dipy.reconst.html                           | 6 +++---
 1.9.0/reference/dipy.segment.html                           | 6 +++---
 1.9.0/reference/dipy.sims.html                              | 6 +++---
 1.9.0/reference/dipy.stats.html                             | 6 +++---
 1.9.0/reference/dipy.tracking.html                          | 6 +++---
 1.9.0/reference/dipy.viz.html                               | 6 +++---
 1.9.0/reference/dipy.workflows.html                         | 6 +++---
 1.9.0/reference/index.html                                  | 6 +++---
 1.9.0/reference_cmd/dipy_align_affine.html                  | 6 +++---
 1.9.0/reference_cmd/dipy_align_syn.html                     | 6 +++---
 1.9.0/reference_cmd/dipy_apply_transform.html               | 6 +++---
 1.9.0/reference_cmd/dipy_buan_lmm.html                      | 6 +++---
 1.9.0/reference_cmd/dipy_buan_profiles.html                 | 6 +++---
 1.9.0/reference_cmd/dipy_buan_shapes.html                   | 6 +++---
 1.9.0/reference_cmd/dipy_bundlewarp.html                    | 6 +++---
 1.9.0/reference_cmd/dipy_concatenate_tractograms.html       | 6 +++---
 1.9.0/reference_cmd/dipy_convert_tensors.html               | 6 +++---
 1.9.0/reference_cmd/dipy_convert_tractogram.html            | 6 +++---
 1.9.0/reference_cmd/dipy_correct_motion.html                | 6 +++---
 1.9.0/reference_cmd/dipy_denoise_lpca.html                  | 6 +++---
 1.9.0/reference_cmd/dipy_denoise_mppca.html                 | 6 +++---
 1.9.0/reference_cmd/dipy_denoise_nlmeans.html               | 6 +++---
 1.9.0/reference_cmd/dipy_denoise_patch2self.html            | 6 +++---
 1.9.0/reference_cmd/dipy_evac_plus.html                     | 6 +++---
 1.9.0/reference_cmd/dipy_fetch.html                         | 6 +++---
 1.9.0/reference_cmd/dipy_fit_csa.html                       | 6 +++---
 1.9.0/reference_cmd/dipy_fit_csd.html                       | 6 +++---
 1.9.0/reference_cmd/dipy_fit_dki.html                       | 6 +++---
 1.9.0/reference_cmd/dipy_fit_dsi.html                       | 6 +++---
 1.9.0/reference_cmd/dipy_fit_dti.html                       | 6 +++---
 1.9.0/reference_cmd/dipy_fit_ivim.html                      | 6 +++---
 1.9.0/reference_cmd/dipy_fit_mapmri.html                    | 6 +++---
 1.9.0/reference_cmd/dipy_gibbs_ringing.html                 | 6 +++---
 1.9.0/reference_cmd/dipy_horizon.html                       | 6 +++---
 1.9.0/reference_cmd/dipy_info.html                          | 6 +++---
 1.9.0/reference_cmd/dipy_labelsbundles.html                 | 6 +++---
 1.9.0/reference_cmd/dipy_mask.html                          | 6 +++---
 1.9.0/reference_cmd/dipy_median_otsu.html                   | 6 +++---
 1.9.0/reference_cmd/dipy_recobundles.html                   | 6 +++---
 1.9.0/reference_cmd/dipy_reslice.html                       | 6 +++---
 1.9.0/reference_cmd/dipy_sh_convert_mrtrix.html             | 6 +++---
 1.9.0/reference_cmd/dipy_slr.html                           | 6 +++---
 1.9.0/reference_cmd/dipy_snr_in_cc.html                     | 6 +++---
 1.9.0/reference_cmd/dipy_split.html                         | 6 +++---
 1.9.0/reference_cmd/dipy_track.html                         | 6 +++---
 1.9.0/reference_cmd/dipy_track_pft.html                     | 6 +++---
 1.9.0/reference_cmd/index.html                              | 6 +++---
 1.9.0/release_notes/release0.10.html                        | 6 +++---
 1.9.0/release_notes/release0.11.html                        | 6 +++---
 1.9.0/release_notes/release0.12.html                        | 6 +++---
 1.9.0/release_notes/release0.13.html                        | 6 +++---
 1.9.0/release_notes/release0.14.html                        | 6 +++---
 1.9.0/release_notes/release0.15.html                        | 6 +++---
 1.9.0/release_notes/release0.16.html                        | 6 +++---
 1.9.0/release_notes/release0.6.html                         | 6 +++---
 1.9.0/release_notes/release0.7.html                         | 6 +++---
 1.9.0/release_notes/release0.8.html                         | 6 +++---
 1.9.0/release_notes/release0.9.html                         | 6 +++---
 1.9.0/release_notes/release1.0.html                         | 6 +++---
 1.9.0/release_notes/release1.1.html                         | 6 +++---
 1.9.0/release_notes/release1.2.html                         | 6 +++---
 1.9.0/release_notes/release1.3.html                         | 6 +++---
 1.9.0/release_notes/release1.4.1.html                       | 6 +++---
 1.9.0/release_notes/release1.4.html                         | 6 +++---
 1.9.0/release_notes/release1.5.html                         | 6 +++---
 1.9.0/release_notes/release1.6.html                         | 6 +++---
 1.9.0/release_notes/release1.7.html                         | 6 +++---
 1.9.0/release_notes/release1.8.html                         | 6 +++---
 1.9.0/release_notes/release1.9.html                         | 6 +++---
 1.9.0/search.html                                           | 6 +++---
 1.9.0/sg_execution_times.html                               | 6 +++---
 1.9.0/stateoftheart.html                                    | 6 +++---
 1.9.0/subscribe.html                                        | 6 +++---
 1.9.0/theory/b_and_q.html                                   | 6 +++---
 1.9.0/theory/bmatrix.html                                   | 6 +++---
 1.9.0/theory/gqi.html                                       | 6 +++---
 1.9.0/theory/index.html                                     | 6 +++---
 1.9.0/theory/sh_basis.html                                  | 6 +++---
 1.9.0/theory/spherical.html                                 | 6 +++---
 1.9.0/user_guide/data.html                                  | 6 +++---
 1.9.0/user_guide/dataset_list.html                          | 6 +++---
 1.9.0/user_guide/dependencies.html                          | 6 +++---
 1.9.0/user_guide/getting_started.html                       | 6 +++---
 1.9.0/user_guide/index.html                                 | 6 +++---
 1.9.0/user_guide/installation.html                          | 6 +++---
 1.9.0/user_guide/introduction.html                          | 6 +++---
 1.9.0/user_guide/mission.html                               | 6 +++---
 260 files changed, 778 insertions(+), 778 deletions(-)

diff --git a/1.9.0/.buildinfo b/1.9.0/.buildinfo
index 59577fc6..5f7dc459 100644
--- a/1.9.0/.buildinfo
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index 45eed208..d480da84 100644
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index fb3623a2..27efd9d8 100644
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index a309be7d..c96d0b2f 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index a18b79c2..48372a2c 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index 2e215adc..38b70cda 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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index 99923e2d..d7dafd35 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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index bffcbfb0..65bab8f5 100644
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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index faaa311d..2846c8d1 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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+      1.9.0  <!-- this text may get changed later by javascript -->
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index da43125e..ee9d1513 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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index 27ecbe29..f295ba72 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/examples_built/registration/streamline_registration.html b/1.9.0/examples_built/registration/streamline_registration.html
index f9809109..74aebe88 100644
--- a/1.9.0/examples_built/registration/streamline_registration.html
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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diff --git a/1.9.0/examples_built/registration/syn_registration_2d.html b/1.9.0/examples_built/registration/syn_registration_2d.html
index a55e4622..76ae8728 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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@@ -398,7 +398,7 @@
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index be4e830a..dcf51314 100644
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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diff --git a/1.9.0/index.html b/1.9.0/index.html
index 176aa446..2915fe6a 100644
--- a/1.9.0/index.html
+++ b/1.9.0/index.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'index';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="genindex.html" />
@@ -396,7 +396,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -730,7 +730,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/basic_flow.html b/1.9.0/interfaces/basic_flow.html
index 9fab2b51..06adcaf4 100644
--- a/1.9.0/interfaces/basic_flow.html
+++ b/1.9.0/interfaces/basic_flow.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/basic_flow';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/buan_flow.html b/1.9.0/interfaces/buan_flow.html
index 9984395c..4e0156b5 100644
--- a/1.9.0/interfaces/buan_flow.html
+++ b/1.9.0/interfaces/buan_flow.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/buan_flow';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/bundle_segmentation_flow.html b/1.9.0/interfaces/bundle_segmentation_flow.html
index ce85b402..9168d9f8 100644
--- a/1.9.0/interfaces/bundle_segmentation_flow.html
+++ b/1.9.0/interfaces/bundle_segmentation_flow.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/bundle_segmentation_flow';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/bundlewarp_registration_flow.html b/1.9.0/interfaces/bundlewarp_registration_flow.html
index fa498373..2b199999 100644
--- a/1.9.0/interfaces/bundlewarp_registration_flow.html
+++ b/1.9.0/interfaces/bundlewarp_registration_flow.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/bundlewarp_registration_flow';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/data_fetch.html b/1.9.0/interfaces/data_fetch.html
index 8783ef1d..4f89be2a 100644
--- a/1.9.0/interfaces/data_fetch.html
+++ b/1.9.0/interfaces/data_fetch.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/data_fetch';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/denoise_flow.html b/1.9.0/interfaces/denoise_flow.html
index ca95908c..260f6b97 100644
--- a/1.9.0/interfaces/denoise_flow.html
+++ b/1.9.0/interfaces/denoise_flow.html
@@ -65,7 +65,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/denoise_flow';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -398,7 +398,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -732,7 +732,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/gibbs_unringing_flow.html b/1.9.0/interfaces/gibbs_unringing_flow.html
index 917757b2..a50b565c 100644
--- a/1.9.0/interfaces/gibbs_unringing_flow.html
+++ b/1.9.0/interfaces/gibbs_unringing_flow.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/gibbs_unringing_flow';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/index.html b/1.9.0/interfaces/index.html
index 4e3fb83b..f0ae441b 100644
--- a/1.9.0/interfaces/index.html
+++ b/1.9.0/interfaces/index.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/index';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/motion_flow.html b/1.9.0/interfaces/motion_flow.html
index d1bd470a..b06abb55 100644
--- a/1.9.0/interfaces/motion_flow.html
+++ b/1.9.0/interfaces/motion_flow.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/motion_flow';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/reconstruction_flow.html b/1.9.0/interfaces/reconstruction_flow.html
index ae3ea0ea..721443b0 100644
--- a/1.9.0/interfaces/reconstruction_flow.html
+++ b/1.9.0/interfaces/reconstruction_flow.html
@@ -65,7 +65,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/reconstruction_flow';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -398,7 +398,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -732,7 +732,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/registration_flow.html b/1.9.0/interfaces/registration_flow.html
index 8e9cc4be..79b6c9a8 100644
--- a/1.9.0/interfaces/registration_flow.html
+++ b/1.9.0/interfaces/registration_flow.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/registration_flow';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/interfaces/tracking_flow.html b/1.9.0/interfaces/tracking_flow.html
index 21ceea86..2d572c26 100644
--- a/1.9.0/interfaces/tracking_flow.html
+++ b/1.9.0/interfaces/tracking_flow.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'interfaces/tracking_flow';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/old_highlights.html b/1.9.0/old_highlights.html
index b2378303..0ca0efbe 100644
--- a/1.9.0/old_highlights.html
+++ b/1.9.0/old_highlights.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'old_highlights';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/old_news.html b/1.9.0/old_news.html
index 82063cef..9b753c5a 100644
--- a/1.9.0/old_news.html
+++ b/1.9.0/old_news.html
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index 6e2c9500..1f791a72 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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diff --git a/1.9.0/recipes.html b/1.9.0/recipes.html
index f64f263c..559a3b67 100644
--- a/1.9.0/recipes.html
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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index bb4895a1..b531c346 100644
--- a/1.9.0/reconstruction_models_list.html
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index 046f7878..de900061 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index e2fe4362..74453835 100644
--- a/1.9.0/reference/dipy.core.html
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index 22833f5f..b99644d6 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference/dipy.denoise.html b/1.9.0/reference/dipy.denoise.html
index 6fdf3486..ceaffd62 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference/dipy.direction.html b/1.9.0/reference/dipy.direction.html
index 0c01d4f6..8ba172db 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference/dipy.html b/1.9.0/reference/dipy.html
index d827b9e1..84ebcc57 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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index 411eb35e..981f0e53 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index e45a4c33..d044bd0f 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index ae0fee94..1251060b 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference/dipy.segment.html b/1.9.0/reference/dipy.segment.html
index f8ed51d9..48332605 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index 95793123..8aec85a1 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index 8ed3c14c..578b9820 100644
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index ce4fc0cd..c897ccf1 100644
--- a/1.9.0/reference/dipy.tracking.html
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index 24d6bc52..7223ab16 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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index 1696c3ea..e3dea69a 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference/index.html b/1.9.0/reference/index.html
index b7395e3d..838138be 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference_cmd/dipy_align_affine.html b/1.9.0/reference_cmd/dipy_align_affine.html
index fed25344..8259c432 100644
--- a/1.9.0/reference_cmd/dipy_align_affine.html
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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@@ -397,7 +397,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference_cmd/dipy_align_syn.html b/1.9.0/reference_cmd/dipy_align_syn.html
index 6540e390..cdb1a607 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference_cmd/dipy_apply_transform.html b/1.9.0/reference_cmd/dipy_apply_transform.html
index d416e211..72d5d3ac 100644
--- a/1.9.0/reference_cmd/dipy_apply_transform.html
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference_cmd/dipy_buan_lmm.html b/1.9.0/reference_cmd/dipy_buan_lmm.html
index c44000b5..02db3e48 100644
--- a/1.9.0/reference_cmd/dipy_buan_lmm.html
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
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+      1.9.0  <!-- this text may get changed later by javascript -->
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index a3dd9dc7..18b2f67d 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index 86713aae..c6e15e6a 100644
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index f1a3b415..27d82320 100644
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index d255144b..f76c1508 100644
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index 60600945..c8cc26e8 100644
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index a506d42e..0168b978 100644
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index 6250743e..ce334f2a 100644
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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index 034675db..f384c754 100644
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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@@ -731,7 +731,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference_cmd/dipy_fit_dsi.html b/1.9.0/reference_cmd/dipy_fit_dsi.html
index 5b073c42..b1698748 100644
--- a/1.9.0/reference_cmd/dipy_fit_dsi.html
+++ b/1.9.0/reference_cmd/dipy_fit_dsi.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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@@ -731,7 +731,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_fit_dti.html b/1.9.0/reference_cmd/dipy_fit_dti.html
index 678f0fce..faa332e1 100644
--- a/1.9.0/reference_cmd/dipy_fit_dti.html
+++ b/1.9.0/reference_cmd/dipy_fit_dti.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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@@ -731,7 +731,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_fit_ivim.html b/1.9.0/reference_cmd/dipy_fit_ivim.html
index 3de9e632..74391bdb 100644
--- a/1.9.0/reference_cmd/dipy_fit_ivim.html
+++ b/1.9.0/reference_cmd/dipy_fit_ivim.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_fit_mapmri.html b/1.9.0/reference_cmd/dipy_fit_mapmri.html
index 672f3c1c..ee3a1b67 100644
--- a/1.9.0/reference_cmd/dipy_fit_mapmri.html
+++ b/1.9.0/reference_cmd/dipy_fit_mapmri.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_gibbs_ringing.html b/1.9.0/reference_cmd/dipy_gibbs_ringing.html
index e8ed43c7..24c8e36f 100644
--- a/1.9.0/reference_cmd/dipy_gibbs_ringing.html
+++ b/1.9.0/reference_cmd/dipy_gibbs_ringing.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_horizon.html b/1.9.0/reference_cmd/dipy_horizon.html
index 85e909af..067e106b 100644
--- a/1.9.0/reference_cmd/dipy_horizon.html
+++ b/1.9.0/reference_cmd/dipy_horizon.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_info.html b/1.9.0/reference_cmd/dipy_info.html
index 6e366e9d..867eadbc 100644
--- a/1.9.0/reference_cmd/dipy_info.html
+++ b/1.9.0/reference_cmd/dipy_info.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_labelsbundles.html b/1.9.0/reference_cmd/dipy_labelsbundles.html
index a89bcaec..9ad955b4 100644
--- a/1.9.0/reference_cmd/dipy_labelsbundles.html
+++ b/1.9.0/reference_cmd/dipy_labelsbundles.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_mask.html b/1.9.0/reference_cmd/dipy_mask.html
index 6da74373..da7ae1b5 100644
--- a/1.9.0/reference_cmd/dipy_mask.html
+++ b/1.9.0/reference_cmd/dipy_mask.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_median_otsu.html b/1.9.0/reference_cmd/dipy_median_otsu.html
index 1a84a457..b7cf9688 100644
--- a/1.9.0/reference_cmd/dipy_median_otsu.html
+++ b/1.9.0/reference_cmd/dipy_median_otsu.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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diff --git a/1.9.0/reference_cmd/dipy_recobundles.html b/1.9.0/reference_cmd/dipy_recobundles.html
index cbfc1768..49455cfa 100644
--- a/1.9.0/reference_cmd/dipy_recobundles.html
+++ b/1.9.0/reference_cmd/dipy_recobundles.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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diff --git a/1.9.0/reference_cmd/dipy_reslice.html b/1.9.0/reference_cmd/dipy_reslice.html
index 7619d9a3..057bdbee 100644
--- a/1.9.0/reference_cmd/dipy_reslice.html
+++ b/1.9.0/reference_cmd/dipy_reslice.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_sh_convert_mrtrix.html b/1.9.0/reference_cmd/dipy_sh_convert_mrtrix.html
index 063bc2f4..18092dda 100644
--- a/1.9.0/reference_cmd/dipy_sh_convert_mrtrix.html
+++ b/1.9.0/reference_cmd/dipy_sh_convert_mrtrix.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference_cmd/dipy_slr.html b/1.9.0/reference_cmd/dipy_slr.html
index 78918a0c..08805987 100644
--- a/1.9.0/reference_cmd/dipy_slr.html
+++ b/1.9.0/reference_cmd/dipy_slr.html
@@ -64,7 +64,7 @@
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     <script>
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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@@ -731,7 +731,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_snr_in_cc.html b/1.9.0/reference_cmd/dipy_snr_in_cc.html
index 10e79822..dbf486e2 100644
--- a/1.9.0/reference_cmd/dipy_snr_in_cc.html
+++ b/1.9.0/reference_cmd/dipy_snr_in_cc.html
@@ -64,7 +64,7 @@
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     <script>
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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@@ -731,7 +731,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference_cmd/dipy_split.html b/1.9.0/reference_cmd/dipy_split.html
index ff352c80..8fa85e4f 100644
--- a/1.9.0/reference_cmd/dipy_split.html
+++ b/1.9.0/reference_cmd/dipy_split.html
@@ -64,7 +64,7 @@
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     <script>
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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@@ -731,7 +731,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/reference_cmd/dipy_track.html b/1.9.0/reference_cmd/dipy_track.html
index 376a01ae..5cc42e2a 100644
--- a/1.9.0/reference_cmd/dipy_track.html
+++ b/1.9.0/reference_cmd/dipy_track.html
@@ -64,7 +64,7 @@
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     <script>
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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@@ -731,7 +731,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference_cmd/dipy_track_pft.html b/1.9.0/reference_cmd/dipy_track_pft.html
index a72d58ad..b3fc03f3 100644
--- a/1.9.0/reference_cmd/dipy_track_pft.html
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@@ -64,7 +64,7 @@
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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@@ -731,7 +731,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/reference_cmd/index.html b/1.9.0/reference_cmd/index.html
index 5747f5cf..7354bad8 100644
--- a/1.9.0/reference_cmd/index.html
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@@ -64,7 +64,7 @@
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release0.10.html b/1.9.0/release_notes/release0.10.html
index e3e72dc1..d8603ef6 100644
--- a/1.9.0/release_notes/release0.10.html
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@@ -64,7 +64,7 @@
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     <script>
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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@@ -727,7 +727,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release0.11.html b/1.9.0/release_notes/release0.11.html
index 6ff22b4b..ad3ceab2 100644
--- a/1.9.0/release_notes/release0.11.html
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@@ -64,7 +64,7 @@
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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@@ -727,7 +727,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release0.12.html b/1.9.0/release_notes/release0.12.html
index d72baff9..340e20f9 100644
--- a/1.9.0/release_notes/release0.12.html
+++ b/1.9.0/release_notes/release0.12.html
@@ -64,7 +64,7 @@
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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@@ -727,7 +727,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release0.13.html b/1.9.0/release_notes/release0.13.html
index f814d6fa..5db38be5 100644
--- a/1.9.0/release_notes/release0.13.html
+++ b/1.9.0/release_notes/release0.13.html
@@ -64,7 +64,7 @@
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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@@ -727,7 +727,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
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diff --git a/1.9.0/release_notes/release0.14.html b/1.9.0/release_notes/release0.14.html
index 4743a51f..5cca9c9f 100644
--- a/1.9.0/release_notes/release0.14.html
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@@ -64,7 +64,7 @@
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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@@ -397,7 +397,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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@@ -727,7 +727,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/release_notes/release0.15.html b/1.9.0/release_notes/release0.15.html
index e1efd7a4..5d961120 100644
--- a/1.9.0/release_notes/release0.15.html
+++ b/1.9.0/release_notes/release0.15.html
@@ -64,7 +64,7 @@
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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@@ -397,7 +397,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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@@ -727,7 +727,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/release_notes/release0.16.html b/1.9.0/release_notes/release0.16.html
index 1b9a2a63..17815958 100644
--- a/1.9.0/release_notes/release0.16.html
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@@ -64,7 +64,7 @@
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-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
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@@ -397,7 +397,7 @@
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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@@ -727,7 +727,7 @@
 document.write(`
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-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
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diff --git a/1.9.0/release_notes/release0.6.html b/1.9.0/release_notes/release0.6.html
index a24be7ae..57cb6aca 100644
--- a/1.9.0/release_notes/release0.6.html
+++ b/1.9.0/release_notes/release0.6.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release0.7.html b/1.9.0/release_notes/release0.7.html
index 05f091b6..79c68f45 100644
--- a/1.9.0/release_notes/release0.7.html
+++ b/1.9.0/release_notes/release0.7.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release0.8.html b/1.9.0/release_notes/release0.8.html
index 13416dda..d30d9a1b 100644
--- a/1.9.0/release_notes/release0.8.html
+++ b/1.9.0/release_notes/release0.8.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release0.9.html b/1.9.0/release_notes/release0.9.html
index 791165db..d2fa4bcb 100644
--- a/1.9.0/release_notes/release0.9.html
+++ b/1.9.0/release_notes/release0.9.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release1.0.html b/1.9.0/release_notes/release1.0.html
index f4f67972..af3ea9f9 100644
--- a/1.9.0/release_notes/release1.0.html
+++ b/1.9.0/release_notes/release1.0.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release1.1.html b/1.9.0/release_notes/release1.1.html
index 0352bcd0..dcdd52d9 100644
--- a/1.9.0/release_notes/release1.1.html
+++ b/1.9.0/release_notes/release1.1.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release1.2.html b/1.9.0/release_notes/release1.2.html
index 78e844a1..131533c3 100644
--- a/1.9.0/release_notes/release1.2.html
+++ b/1.9.0/release_notes/release1.2.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'release_notes/release1.2';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release1.3.html b/1.9.0/release_notes/release1.3.html
index 26ee8a0c..138ca34c 100644
--- a/1.9.0/release_notes/release1.3.html
+++ b/1.9.0/release_notes/release1.3.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'release_notes/release1.3';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release1.4.1.html b/1.9.0/release_notes/release1.4.1.html
index 7ceb0510..914784a0 100644
--- a/1.9.0/release_notes/release1.4.1.html
+++ b/1.9.0/release_notes/release1.4.1.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release1.4.html b/1.9.0/release_notes/release1.4.html
index 5f8239bc..b576d129 100644
--- a/1.9.0/release_notes/release1.4.html
+++ b/1.9.0/release_notes/release1.4.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release1.5.html b/1.9.0/release_notes/release1.5.html
index 0fff4f5c..44745a34 100644
--- a/1.9.0/release_notes/release1.5.html
+++ b/1.9.0/release_notes/release1.5.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release1.6.html b/1.9.0/release_notes/release1.6.html
index b35bdacc..ce816e7c 100644
--- a/1.9.0/release_notes/release1.6.html
+++ b/1.9.0/release_notes/release1.6.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release1.7.html b/1.9.0/release_notes/release1.7.html
index 759c3575..8005f254 100644
--- a/1.9.0/release_notes/release1.7.html
+++ b/1.9.0/release_notes/release1.7.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
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     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/release_notes/release1.8.html b/1.9.0/release_notes/release1.8.html
index dea0781c..669069d0 100644
--- a/1.9.0/release_notes/release1.8.html
+++ b/1.9.0/release_notes/release1.8.html
@@ -64,7 +64,7 @@
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     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
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+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/user_guide/getting_started.html b/1.9.0/user_guide/getting_started.html
index 7942eebc..dce84cc3 100644
--- a/1.9.0/user_guide/getting_started.html
+++ b/1.9.0/user_guide/getting_started.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'user_guide/getting_started';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/user_guide/index.html b/1.9.0/user_guide/index.html
index 740e2cf1..9ce83e73 100644
--- a/1.9.0/user_guide/index.html
+++ b/1.9.0/user_guide/index.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'user_guide/index';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/user_guide/installation.html b/1.9.0/user_guide/installation.html
index 590fa407..ee67820d 100644
--- a/1.9.0/user_guide/installation.html
+++ b/1.9.0/user_guide/installation.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'user_guide/installation';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -731,7 +731,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/user_guide/introduction.html b/1.9.0/user_guide/introduction.html
index 8756ef2a..1eb1b2bc 100644
--- a/1.9.0/user_guide/introduction.html
+++ b/1.9.0/user_guide/introduction.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'user_guide/introduction';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
diff --git a/1.9.0/user_guide/mission.html b/1.9.0/user_guide/mission.html
index 60bf9b0e..7f4b4673 100644
--- a/1.9.0/user_guide/mission.html
+++ b/1.9.0/user_guide/mission.html
@@ -64,7 +64,7 @@
     <script>DOCUMENTATION_OPTIONS.pagename = 'user_guide/mission';</script>
     <script>
         DOCUMENTATION_OPTIONS.theme_switcher_json_url = 'https://docs.dipy.org/dev/_static/version_switcher.json';
-        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.8.0';
+        DOCUMENTATION_OPTIONS.theme_switcher_version_match = '1.9.0';
         </script>
     <link rel="icon" href="../_static/dipy-favicon.png"/>
     <link rel="index" title="Index" href="../genindex.html" />
@@ -397,7 +397,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">
@@ -727,7 +727,7 @@
 document.write(`
   <div class="version-switcher__container dropdown">
     <button type="button" class="version-switcher__button btn btn-sm navbar-btn dropdown-toggle" data-bs-toggle="dropdown">
-      1.8.0  <!-- this text may get changed later by javascript -->
+      1.9.0  <!-- this text may get changed later by javascript -->
       <span class="caret"></span>
     </button>
     <div class="version-switcher__menu dropdown-menu list-group-flush py-0">