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- save original stack - display first moving and ref images - implement a StackableImage class WIP
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Original file line number | Diff line number | Diff line change |
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import os | ||
|
||
import dask.array as da | ||
import numpy as np | ||
from napari.layers import Image | ||
from typing import TYPE_CHECKING | ||
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if TYPE_CHECKING: | ||
import napari | ||
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class StackableImage: | ||
def __init__(self, viewer: "napari.viewer.Viewer"): | ||
self._viewer = viewer | ||
self._set_original_stack() | ||
|
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self._reference_index = 0 | ||
self._moving_index = 1 | ||
self._transforms = [] | ||
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def _set_original_stack(self): | ||
image_layer = next( | ||
( | ||
layer | ||
for layer in self._viewer.layers | ||
if isinstance(layer, Image) | ||
), | ||
None, | ||
) | ||
|
||
if image_layer is not None: | ||
if isinstance(image_layer.data, np.ndarray): | ||
self._original_stack = da.from_array(image_layer.data) | ||
elif isinstance(image_layer.data, da.Array): | ||
self._original_stack = image_layer.data | ||
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def get_registration_images(self, reference_index: int = 0): | ||
self._reference_img = self._original_stack[reference_index] | ||
self._moving_img = self._original_stack[self._moving_index] | ||
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||
current_image_layer = next( | ||
( | ||
layer | ||
for layer in self._viewer.layers | ||
if isinstance(layer, Image) | ||
), | ||
None, | ||
) | ||
|
||
if current_image_layer is not None: | ||
self._viewer.layers.remove(current_image_layer) | ||
|
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# add reference image | ||
self._viewer.add_image( | ||
self._reference_img, | ||
name=f"ref - slice {reference_index}", | ||
blending="translucent_no_depth", | ||
colormap="gray", | ||
) | ||
|
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# add moving image | ||
self._viewer.add_image( | ||
self._moving_img, | ||
name=f"moving - slice {self._moving_index}", | ||
blending="translucent_no_depth", | ||
colormap="gray", | ||
opacity=0.5, | ||
) | ||
|
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self._viewer.layers[-1].mode = "transform" |