OpenQuake Engine 2.4.0

[Michele Simionato (@micheles)]

• Now the command oq export loss_curves/rlz-XXX works both for the
  classical_risk calculator and the event_based_risk calculator

[Daniele Viganò (@daniviga)]

• Remove the default 30 day-old view limit in the WebUI calculation list

[Michele Simionato (@micheles)]

• Fixed a broken import affecting the command oq upgrade_nrml
• Made it possible to specify multiple file names in
  in the source_model_logic_tree file
• Reduced the data transfer in the object RlzsAssoc and improved the
  postprocessing of hazard curves when the option --hc is given
• Changed the ruptures.xml exporter to export unique ruptures
• Fixed a bug when downloading the outputs from the WebUI on Windows
• Made oq info --report fast again by removing the rupture fine filtering
• Improved the readibility of the CSV export dmg_total
• Removed the column eid from the CSV export ruptures; also
  renamed the field serial to rup_id and reordered the fields
• Changed the event loss table exporter: now it exports an additional
  column with the rup_id
• Changed scenario npz export to export also the GMFs outside the maximum
  distance
• Fixed scenario npz export when there is a single event
• Replaced the event tags with numeric event IDs
• The mean hazard curves are now generated by default
• Improved the help message of the command oq purge
• Added a @reader decorator to mark tasks reading directly from the
  file system
• Removed the .txt exporter for the GMFs, used internally in the tests
• Fixed a bug with relative costs which affected master for a long time,
  but not the release 2.3. The insured losses were wrong in that case.
• Added an .hdf5 exporter for the asset loss table
• Loss maps and aggregate losses are computed in parallel or sequentially
  depending if the calculation is a postprocessing calculation or not
• Deprecated the XML risk exporters
• Removed the .ext5 file
• Restored the parameter asset_loss_table in the event based calculators
• Added a full .hdf5 exporter for hcurves-rlzs
• Removed the individual_curves flag: now by default only the statistical
  hazard outputs are exported
• Saved a lot of memory in the computation of the hazard curves and stats
• Renamed the parameter all_losses to asset_loss_table
• Added an experimental version of the event based risk calculator which
  is able to use GMFs imported from an external file
• Added a max_curve functionality to compute the upper limit of the
  hazard curves amongst realizations
• Raised an error if the user specifies quantile_loss_curves
  or conditional_loss_poes in a classical_damage calculation
• Added a CSV exporter for the benefit-cost-ratio calculator
• The classical_risk calculator now reads directly the probability maps,
  not the hazard curves
• Turned the loss curves into on-demand outputs
  for the event based risk calculator
• The loss ratios are now stored in the datastore and not in an
  external .ext5 file
• The engine outputs are now streamed by the WebUI
• Used a temporary export directory in the tests, to avoid conflicts
  in multiuser situations
• Added an .npz exporter for the loss maps
• Raised an error early when using a complex logic tree in scenario
  calculations
• Changed the CSV exporter for the loss curves: now it exports all the
  curves for a given site for the classical_risk calculator
• Fixed the save_ruptures procedure when there are more than 256
  surfaces in the MultiSurface
• Renamed the csq_ outputs of the scenario_damage to losses_
• Changed the way scenario_damage are stored internally to be more
  consistent with the other calculators
• Removed the GSIM from the exported file name of the risk outputs
• New CSV exporter for GMFs generated by the event based calculator
• The event IDs are now unique and a constraint on the maximum
  number of source groups (65,536) has been added
• Added an output losses_by_event to the scenario_risk calculator
• Changed the output ruptures.csv to avoid duplications
• Added an output losses_by_taxon to the scenario_risk calculator
• Fixed a performance bug in get_gmfs: now the scenario risk and damage
  calculators are orders of magnitude faster for big arrays
• Added an export test for the event loss table in the case of multiple TRTs
• Removed the experimental rup_data output
• Added an .npz export for the output losses_by_asset
• Exported the scenario_risk aggregate losses in a nicer format

[Daniele Viganò (@daniviga)]

• The 'oq webui' command now works on a multi-user installation
• Splitted RPM packages into python-oq-engine (single node) and
  python-oq-engine-master/python-oq-engine-worker (multi-node)

[Paolo Tormene (@ptormene)]

• The 'Continue' button in the Web UI is now available also for risk
  calculations

[Michele Simionato (@micheles)]

• Fixed a Python 3 bug in the WebUI when continuing a calculation: the
  hazard_calculation_id was passed as a string and not as an integer
• Changed to rupture storage to use variable length-arrays, with a speedup
  of two orders of magnitude
• Avoided storing twice the rupture events
• Optimized the serialization of ruptures on HDF5 by using a sids output
• Changed the Web UI button from "Run Risk" to "Continue"
• The avg field in the loss curves is computed as the integral of the curve
  again, and it is not extracted from the avg_losses output anymore
• Made the fullreport exportable
• Fixed the rup_data export, since the boundary field was broken
• Restored the output losses_by_taxon in the event_based_risk calculator
• Fixed the calculator event based UCERF so that average losses can
  be stored

[Daniele Viganò (@daniviga)]

• Added a check to verify that an 'oq' client is talking to the
  right DbServer instance
• Introduced an optional argument for 'oq dbserver' command line
  to be able to override its default interface binding behaviour

[Michele Simionato (@micheles)]

• Optimized the event based calculators by reducing the number of calls
  to the GmfComputer and by using larger arrays
• Added a check on missing vulnerability functions for some loss type
  for some taxonomy
• Now we save the GMFs on the .ext5 file, not the datastore
• Fixed bug in event_based_risk: it was impossible to use vulnerability
  functions with "PM" distribution
• Fixed bug in event_based_risk: the ebrisk calculator is required as
  precalculator of event_based_risk, not others
• Fixed bug in scenario_risk: the output all_losses-rlzs was aggregated
  incorrectly
• Now the ucerf_risk calculators transfer only the events, not the ruptures,
  thus reducing the data transfer of several orders of magnitude
• Added a view get_available_gsims to the WebUI and fixed the API docs
• Introduced a configuration parameter max_site_model_distance with default
  of 5 km
• Implemented sampling in the UCERF event based hazard calculator

[Daniele Viganò (@daniviga)]

• Use threads instead of processes in DbServer because SQLite3
  isn't fork-safe on macOS Sierra

[Michele Simionato (@micheles)]

• Fixed a TypeError when deleting a calculation from the WebUI
• Extended the command oq to_hdf5 to manage source model files too
• Improved significantly the performance of the event based calculator
  when computing the GMFs and not the hazard curves
• Stored information about the mean ground motion in the datastore
• Saved the rupture mesh with 32 floats instead of 64 bit floats
• Raised the limit on the event IDs from 2^16 to 2^32 per task
• Fixed classical_risk: there was an error when computing the statistics
  in the case of multiple assets of the same taxonomy on the same site
• Changed the UCERF event based calculators to parallelize by SES
• Fixed a site model bug: when the sites are extracted from the site model
  there is no need to perform geospatial queries to get the parameters
• Added a command oq normalize to produce good sites.csv files
• Introduced a ses_seed parameter to specify the seed used to generate
  the stochastic event sets; random_seed is used for the sampling only
• Changed the build_rcurves procedure to read the loss ratios directly from
  the workers

OpenQuake Engine 2.3.0

[Michele Simionato (@micheles)]

• oq info --report now filters the ruptures and reports the correct
  number of effective ruptures even for classical calculators
• Stripped the TRT information from the event loss table CSV export
  and optimized its performance
• Fixed a bug when storing the GMPE logic tree file in the datastore
• Added a command oq run_tiles (experimental)
• Fixed the event based calculator so that it can run UCERF ruptures
• Fixed a bug in the scenario_risk calculator in case of multiple assets
  of the same taxonomy on the same site with no insurance losses
• Now the event IDs are generated in the workers in the event based calculator
  and there is a limit of 65536 tasks with 65536 ruptures each
• Changed the UCERF classical calculators to compute one branch at the time
• Fixed the header occupants:float32 in the CSV risk exports involving
  occupants
• Fixed the name of the zipped files downloaded by the Web UI: there
  was a spurious dot
• Fixed the UCERF classical calculator in the case of sampling
• Reduced the size of the event tags in the event based calculators, thus
  saving GB of disk space in UCERF calculations
• Fixed the name of the files downloaded by the Web UI: they must not
  contain slashes
• Now deleting a calculation from the Web UI really deletes it, before
  if was only hiding it

[Daniele Viganò (@daniviga)]

• Moved the OpenQuake Engine manual sources inside doc/manual

[Michele Simionato (@micheles)]

• Introduced an experimental classical time dependent UCERF calculator
• Added a dynamic output for source group information
• Changed the UCERF rupture calculator to fully store the ruptures
• Fixed a bug in combine_maps: realizations with zero probability were
  discarded, thus breaking the computation of the statistics
• Added a command oq reset to reset database and datastores
• Reduced the data transfer back and disk space occupation for UCERF
  event based risk calculations
• Tasks meant to be used with a shared directory are now marked with a
  boolean attribute .shared_dir_on
• Added a warning when running event based risk calculations with sampling
• Made sure that the openquake.cfg file is read only once

[Daniele Viganò (@daniviga)]

• Moved the openquake.cfg config file inside the python package
  under openquake/engine/openquake.cfg
• Removed support to OQ_LOCAL_CFG_PATH and OQ_SITE_CFG_PATH vars;
  only the OQ_CONFIG_FILE enviroment variable is read

[Michele Simionato (@micheles)]

• If there is a single realization, do not compute the statistics
• Changed the separator from comma to tab for the output ruptures
• If there are no conditional_loss_poes, the engine does not try to
  export the loss maps anymore
• Fixed oq engine --make-html-report when using Python 3
• Fixed bug when running oq info job.ini with NRML 0.5 source models

OpenQuake Engine 2.2.0

[Michele Simionato (@micheles)]

• Fixed an HDF5 bug by not using a vstr array for the asset references
• Fixed a wrong error message generated by oq purge
• Added information about the rupture in the event loss table exports
• Fixed a bug and added a test calculation with nonparametric sources
• Fixed the classical UCERF calculator when there is more than one branch
• Added .npz exporter for gmf_data for event based calculations

[Daniele Viganò (@daniviga)]

• Port WebUI/API server to Django 1.9 and 1.10
• Add dependencies to setup.py
• Update Copyright to 2017

[Michele Simionato (@micheles)]

• Increased the splitting of ComplexFaultSources
• Added a way to reuse the CompositeSourceModel from a previous computation
• Turned the loss maps into dynamically generated outputs
• Extended the source model writer to serialize the attributes
  src_interdep, rup_interdep, srcs_weights
• Fixed a bug when exporting the uniform hazard spectra in presence of
  IMTs non spectral acceleration
• Fixed a bug when computing the loss maps in presence of insurance,
  temporarily introduced in master
• Made the datastore for event based risk calculations much lighter
  by computing the statistical outputs at export time
• Now it is possible to post process event based risk outputs with the
  --hc option
• Added a command oq to_hdf5 to convert .npz files into .hdf5 files
• Moved commonlib.parallel into baselib
• Merged the experimental calculator ebrisk into event_based_risk and
  used correctly the random_seed for generating the GMFs (not the master_seed)
• Added a flag ignore_covs to ignore the coefficients of variation
• Changed the GMF scenario exporter to avoid generating composite arrays with
  a large number of fields
• Exporting in .npz format rather than HDF5
• Introduced a shared_dir parameter in openquake.cfg
• Fixed a serialization bug for planar surfaces
• Removed the flag asset_loss_table: the loss ratios are
  saved if and only if the loss_ratios dictionary is non-empty
• Added a CSV exporter for the GMFs in the event based calculator
• Added a CSV exporter for the rup_data output
• Added a CSV exporter for the disaggregation output
• Stored the disaggregation matrices directly (no pickle)
• Turned the CompositeRiskModel into a HDF5-serializable object
• Fixed all doctests for Python 3

[Daniele Viganò (@daniviga)]

• Removed the 'oq-engine' wrapper (command already deprecated)

[Michele Simionato (@micheles)]

• Assigned a year label to each seismic event in the event based calculator
• Now the ebrisk calculator supports the case of asset_correlation=1 too
• Made it possible to export the losses generated by a specific event
• Lowered the limit on the length of source IDs to 60 chars
• Fixed excessive strictness when validating consequenceFunction.id
• Added an ucerf_rupture calculator able to store seismic events and
  rupture data and reduced the data transfer

[Daniele Viganò (@daniviga)]

• MANIFEST now includes all files, with any extension located in the
  tests folders. It is now possible to run tests from an installation
  made with packages

[Michele Simionato (@micheles)]

• Improved error message when the user gives a source model file instead of
  a source model logic tree file
• Fixed the management of negative calculation IDs
• Relaxed the tolerance so that the tests pass on Mac OS X
• Implemented csv exporter for the ruptures
• Optimized the epsilon generation in the ebrisk calculator for
  asset_correlation=0
• Improved the performance of the scenario risk calculators
• Now by default we do not save the ruptures anymore
• Fixed a memory leak recently introduced in parallel.py
• Simplified classical_risk (the numbers can be slightly different now)
• Serialized the ruptures in the HDF5 properly (no pickle)
• Introduced a parameter iml_disagg in the disaggregation calculator
• Fixed oq reduce to preserve the NRML version
• Fixed a bug when splitting the fault sources by magnitude

OpenQuake Engine 2.1.1

[Michele Simionato (@micheles)]

• Fixed a bug when splitting the fault sources by magnitude

OpenQuake Engine 2.1.0

[Michele Simionato (@micheles)]

• There is now a flag save_ruptures that can be turned off on demand;
  by default the ruptures are always saved in the event based calculators
• Optimized the memory consumption when using a ProcessPoolExecutor (i.e
  fork before reading the source model) by means of a wakeup task
• Reduced the splitting of the fault sources
• Added a view task_slowest displaying info about the slowest task
  (only for classical calculations for the moment)
• concurrent_tasks=0 disable the concurrency
• Optimized the saving time of the GMFs
• Changed the default number of concurrent tasks and increased the
  relative weight of point sources and area sources
• Fixed the UCERF event loss table export and added a test for it
• Optimized the computation of the event loss table
• Introduced two new calculators ucerf_risk and ucerf_risk_fast

[Paolo Tormene (@ptormene)]

• Added to the engine server the possibility to log in and out
  programmatically by means of HTTP POST requests

[Michele Simionato (@micheles)]

• Optimized the memory consumption of the event based risk calculators
• Extended the oq show command to work in a multi-user environment
• Improved the test coverage of the exports in the WebUI
• Removed the SourceManager: now the sources are filtered in the workers
  and we do not split in tiles anymore
• Made the full datastore downloadable from the WebUI
• Added a command "oq db" to send commands the engine database
  (for internal usage)
• By default the WebUI now displays only the last 100 calculations
• Added more validity checks to the disaggregation parameters; split the
  sources even in the disaggregation phase
• Added an optimized event based calculator computing the total losses by
  taxonomy and nothing else
• Filtered the sources up front when there are few sites (<= 10)
• Reduced the number of tasks generated when filter_sources is False
• Saved engine_version and hazardlib_version as attributes of the datastore
• Avoided saving the ruptures when ground_motion_fields is True
• Finalized the HDF5 export for hazard curves, hazard maps and uniform
  hazard spectra
• Restored a weight of 1 for each rupture in the event based calculator
• Removed the MultiHazardCurveXMLWriter
• Improved the saving of the ruptures in event based calculations
• Reduced the data transfer due to the rlzs_by_gsim parameter
• Added an HDF5 export for scenario GMFs
• If filter_sources if false, the light sources are not filtered, but the
  heavy sources are always filtered
• Now the dbserver can be stopped correctly with CTRL-C
• Parallelized the splitting of heavy sources
• Changed the event loss table exporter: now a single file per realization
  is exported, containing all the loss types
• Removed the dependency from the Django ORM
• Now the WebUI restarts the ProcessPoolExecutor at the end of each job,
  to conserve resources
• Optimized the computation of hazard curves and statistics, especially
  for the memory consumption
• Reduced the data transfer due to the rlzs_assoc and oqparam objects
• Fixed a bug in the disaggregation calculator when a source group has
  been filtered away by the maximum distance criterium
• Fixed an encoding error in the reports when the description contains a
  non-ASCII character
• Changed the distribution framework: celery is supported in a way more
  consistent with the other approaches; moreover, ipyparallel is supported
• Hazard maps are now a fake output, dynamically generated at export time
• Made the number of produced tasks proportional to the number of tiles
• Raised an error for event_based_risk producing no GMFs
• Added a view for the slow sources
• Transmitted the attributes of a SourceGroup to the underlying sources
• Fixed the names of exported files for hazard maps in .geojson format
• Added an header with metadata to the exported hazard curves and maps
• Avoid storing filtered-away probability maps, thus fixing a bug
• Restored the precalculation consistency check that was disabled during the
  transition to engine 2.0
• Fixed a bug with oq engine --delete-calculation
• Hazard curves/maps/uniform spectra can now be recomputed
• Restored the early check on missing taxonomies
• Raise an early error if an user forget the rupture_mesh_spacing parameter
• Fixed a bug while deleting jobs from the db in Ubuntu 12.04
• Ported the shapefile converter from the nrml_converters
• Added source model information in the file realizations.csv
• oq engine --run job.ini --exports csv now also exports the realizations
• Introduced the format NRML 0.5 for source models
• Added a check on the version in case of export errors
• Extended oq purge to remove calculations from the database too
• Fixed --make-html-report: the view task_info was not registered
• Stored several strings as HDF5-variable-length strings
• Fixed an export bug for the hazard curves in .geojson format
• Removed the array cost_types from the datastore
• Taxonomies with chars not in the range a-z0-9 were incorrectly rejected
• Improved the XML parsing utilities in speed, memory, portability and
  easy of use
• Forbidden the reuse of exposure because is was fragile and error prone
• Fixed a bug with the realizations array, which in hazard calculations
  was empty in the datastore

OpenQuake Engine 2.0.1

[Michele Simionato (@micheles)]

• Fixed a bug for tectonic region types filtered away

OpenQuake Engine 2.0

[Michele Simionato (@micheles)]

• Quoted the taxonomies in the CSV exports
• Fixed a bug in classical_damage and added a master test for it
• Fixed the escaping of the taxonomies in the datastore
• Fixed the names of the exported risk files
• Fixed a segfault in the WebUI when exporting files with h5py >= 2.4
• Added a command oq dbserver to start/stop the database server
• The engine exports the hazard curves one file per IMT
• Exported lon and lat with 5 digits after the decimal point
• Added a command oq info --build-reports
• Introduced experimental support for exporting .hdf5 files

[Daniele Viganò (@daniviga)]

• Reworked substantially the engine documentation: removed obsolete pages,
  updated to engine 2.0 and added instructions for Windows and Mac OS X
• Remove oq_create_db script, db is created by the DbServer
• Move oq_reset_db into utils and clean old code

[Michele Simionato (@micheles)]

• Now the DbServer automatically upgrades the database if needed
• Renamed oq-lite -> oq and added a subcommand oq engine
• Added a CSV reader for the hazard curves
• Having time_event=None in the hazard part of a calculation is now valid
• Added an exporter for the rupture data, including the occurrence rate
• Refactored the CSV exporters
• Moved celeryconfig.py; now celery must be started with
  celery worker --config openquake.engine.celeryconfig
• Added a default location ~/oqdata/dbserver.log for the DbServer log
• Added an early check on the SA periods supported by the GSIMs
• Now the gsim_logic_tree file is parsed only once
• Added a document about the architecture of the engine
• The realizations are now exported as a CSV file
• Escaped taxonomies in the datastore
• The Web UI log tool is now escaping the HTML
• Moved openquake.commonlib.commands -> openquake.commands and
  openquake.commonlib.valid -> openquake.risklib.valid to have a
  linear tower of internal dependencies
• Supported all versions of Django >= 1.5
• Provided a better error message in the absence of openquake.cfg
• Removed the check on the export_dir when using the WebUI
• Reduce the data transfer of the realization association object
• If uniform_hazard_spectra is true, the UHS curves are generated
  even if hazard_maps is false; the hazard maps are not exported
• Optimized the filtering of PointSources
• Initial work on the UCERF event based hazard calculator
• Added a test calculation crossing the International Date Line (Alaska)

[Daniele Viganò (@daniviga)]

• Remove the dependency from the python 'pwd' package which is not
  available on Windows
• Supervisord init scripts are now provided for the dbserver, celery
  and the webui. Celery is not started by default, other two are.

[Michele Simionato (@micheles)]

• Another export fix: made sure it is run by the current user
• Fixed the export: if the export directory does not exists, it is created
• Introduced the configuration variable multi_user, false for source
  installations and true for package installations
• Fixed the WebUI export
• Removed the .txt outputs from the WebUI page engine/<output_id>/outputs
  (they are useful only internally)
• Fixed the export: first the xml exporter is tried and then the csv exporter;
  if both are available, only the first is used, not both of them
• Optimized the case when the epsilons are not required, i.e. all the
  covariance coefficients are zero in the vulnerability functions
• Added another test for event based risk (case_miriam)
• Revisited the distribution mechanism and refined the weight of the
  ruptures in the event based calculators to avoid generating slow tasks
• Added an automatic help for the subcommands of oq-lite and managed
  --version correctly
• The event based risk calculator now use different seeds for different
  realizations; also, the performance has been substantially improved
• Improved the .rst reports with data transfer information
• Removed the RlzsAssoc object from the datastore
• Fixed the number of tasks generated by the risk calculators
• Refactored the serialization of CompositionInfo instances to HDF5
• Used exponential notation with 5 decimal digits in most exported XML files
• Refactored the sampling mechanics in the event based calculators
• The event_based_risk calculator infers the minimum intensity of the GMFs
  from the vulnerability functions (if not specified in the job.ini)
• Fixed the avg_losses-stats: they were not generated in absence of
  loss curves
• Added a command oq-lite info --exports
• Added filtering on the mininum intensity also in the event based
  hazard calculator; improved the performance and memory occupation
• Added a view displaying the calculation times by source typology
• Fixed the test of GMPETable after the correction in hazardlib
• Optimized the saving of the asset loss table
• Optimized the case of multiple assets of the same taxonomy on the
  same point and introduced a datastore view assets_by_site
• Fixed HDF5 segmentation faults in the tests for Ubuntu 16.04

[Daniele Viganò (@daniviga)]

• Add support for Ubuntu 16.04 (xenial) packages
• Removed the openquake_worker.cfg file because it is not used anymore

[Michele Simionato (@micheles)]

• Replaced PostgreSQL with SQLite
• Introduced a dbserver to mediate the interaction with the database
• Restored the signal handler to manage properly kill signals so that
  the workers are revoked when a process is killed manually
• Fixed in a more robust way the duplicated log bug
• Made more robust the killing of processes by patching concurrent.futures
• Fixed a critical bug with celery not being used even when use_celery
  was true.
• Improved the validation of NRML files
• Added a command oq-engine --show-log <job_id>

[Daniele Viganò (@daniviga)]

• Use the 'postgresql' meta package as dependency of the .deb
  package to support newer versions of Postgres; this makes
  Trusty package installable on Ubuntu 16.04 and Debian 8

[Daniele Viganò (@daniviga), Michele Simionato (@micheles)]

• Fixed a bug in oq-engine --export-outputs

[Daniele Viganò (@daniviga), Matteo Nastasi (@nastasi-oq)]

• Allow installation of the binary package on Ubuntu derivatives

[Matteo Nastasi (@nastasi-oq)]

• Backport of libhdf5 and h5py for ubuntu 'precise' serie

[Michele Simionato (@micheles)]

• Removed openquake/engine/settings.py
• Made the dependency on celery required only in cluster installations
• Integrated the authentication database in the engine server database
• Fixed the description in the Web UI (before it was temporarily set to
  the string "A job").
• Introduced filtering on the minimum intensity of the ground shaking
• Solved the issue of serializing large SES collections, over the HDF5 limit
• The loss maps and curves XML exporters now export the coordinates
  of the assets, not the coordinates of the closest hazard site
• Stored the job.ini parameters into a table in the datastore
• Added a check on the IMTs coming from the risk models
• Changed the aggregate loss table exporter to export the event tags,
  not the event IDs
• Fixed a bug with the CSV export of the ground motion fields
• Fixed a bug with the export of UHS curves with --exports=xml
• Reduced substantially the data transfer and the memory occupation
  for event based calculations with a large number of assets: we
  can run the California exposure with half million assets now
• Fixed a bug in the SESCollection exporter
• Changed the asset<->epsilons association: before for a given taxonomy the
  assets were ordered by asset_ref, now they are ordered by id. This
  has a minor impact on the numbers sensitive to the epsilons, akin to a
  change of seeds
• Added a test on the ordering of the epsilons
• Accepted . and | as valid characters for source IDs
• Changed the GMF calculator to use a single seed per unique rupture
• Changed the SESCollection exporter: now a single file is exported, before
  we were exporting one file per source model path per tectonic region model
• Changed the event based calculators to avoid duplicating ruptures
  occurring more than once
• Changed the risk calculators to work in blocks of assets on the same site
• Made it possible to set different integration distances for different
  tectonic region types
• Optimized the aggregation by asset in the event based risk calculator
• Reporting the source_id when the filtering fails

OpenQuake Engine 1.9.1

[Michele Simionato (@micheles)]

• Fixed a bug in the Web UI when running a risk calculation starting
  from a previous calculation

OpenQuake Engine 1.9

[Michele Simionato (@micheles)]

• Fixed a bug such that in some circumstances the logging stream handler
  was instantiated twice, resulting in duplicated logs
• Changed the default job status to 'executing' (was 'pre_executing')
• Fixed the ordering of the logs in the Web UI
• Removed the dependency from PostGIS
• Restored the monitoring which was accidentally removed
• Removed the obsolete option --hazard-output-id
• Printed the names of the files exported by the engine, even when there
  are multiple files for a single output
• Introduced four new tables job, output, log, performance: all the other
  60+ database tables are not used anymore

OpenQuake Engine 1.8

[Michele Simionato (@micheles)]

• Removed two oq-engine switches (--export-stats and --list-inputs)
  and fixed --show-view; unified --delete-hazard-calculation and
  --delete-risk-calculation into a single --delete-calculation
• Updated make_html_report.py to extract the full report from the
  datastore
• If use_celery is true, use celery to determine a good default for
  the parameter concurrent_tasks
• Made celery required only in cluster situations
• Fixed the duplication of exported result in the classical_damage
  calculator when there is more than one realization
• Removed several obsolete or deprecated switches from the oq-engine command
• Replaced all classical calculators with their lite counterparts
• Fixed the site-ordering in the UHS exporter (by lon-lat)

[Paolo Tormene (@ptormene)]

• Added API to validate NRML

[Michele Simionato (@micheles)]

• The engine can now zip files larger than 2 GB (used in the export)
• Now the loss maps and curves are exported with a fixed ordering: first
  by lon-lat, then by asset ID
• Replaced the old disaggregation calculator with the oq-lite one