CHANGES.rst

1.0 (2016, unreleased)

Summary

Gammapy 1.0 will be released in 2016.

For plans and progress see https://github.com/gammapy/gammapy/milestones/1.0

0.5 (unreleased)

Summary

Gammapy 0.5 will be released in spring or summer 2016.

For plans and progress see https://github.com/gammapy/gammapy/milestones/0.5

Contributors

Pull requests

0.4 (April 20, 2016)

Summary

• Released on April 20, 2016 (Gammapy 0.4 on PyPI)
• 10 contributors (5 new)
• 8 months of work (from August 13, 2015 to April 20, 2016)
• 108 pull requests (not all listed below)
• Requires Python 2.7 or 3.4+, Numpy 1.8, Scipy 0.15, Astropy 1.0, Sherpa 4.8
• Support for Windows added (testing on AppVeyor)

Highlights:

• New: Women are hacking on Gammapy!
• New: IACT data access via DataStore and HDU index tables
• New: Radially-symmetric background modeling
• Improved: 2-dim image analysis
• New: 1-dim spectral analysis
• New: Add sub-package gammapy.cube and start working on 3-dim cube analysis

Contributors

• Axel Donath
• Brigitta Sipocz (new)
• Christoph Deil
• Dirk Lennarz (new)
• Johannes King
• Jonathan Harris
• Lea Jouvin (new)
• Luigi Tibaldo (new)
• Manuel Paz Arribas
• Olga Vorokh (new)

Pull requests

This list is incomplete. Many small improvements and bug fixes are not listed here.

See the complete Gammapy 0.4 merged pull requests list on Github.

• [#518] Fixes and cleanup for SkyMap (Axel Donath)
• [#511] Add exposure image computation (Lea Jouvin)
• [#510] Add acceptance curve smoothing method (Lea Jouvin)
• [#507] Add Fermi catalog spectrum evaluation and plotting (Johannes King)
• [#506] Improve TS map computation performance (Axel Donath)
• [#503] Add FOV background image modeling (Lea Jouvin)
• [#502] Add DataStore subset method (Johannes King)
• [#487] Add SkyMap class (Axel Donath)
• [#485] Add OffDataBackgroundMaker (Lea Jouvin)
• [#484] Add Sherpa cube analysis prototype (Axel Donath)
• [#481] Add new gammapy.cube sub-package (Axel Donath)
• [#478] Add observation stacking method for spectra (Lea Jouvin and Johannes King)
• [#475] Add tests for TS map image computation (Olga Vorokh)
• [#474] Improve significance image analysis (Axel Donath)
• [#473] Improve tests for HESS data (Johannes King)
• [#462] Misc cleanup (Christoph Deil)
• [#461] Pacman (Lea Jouvin)
• [#459] Add radially symmetric FOV background model (Lea Jouvin)
• [#457] Improve data and observation handling (Christoph Deil)
• [#456] Fix and improvements to TS map tool (Olga Vorokh)
• [#455] Improve IRF interpolation and extrapolation (Christoph Deil)
• [#447] Add King profile PSF class (Christoph Deil)
• [#436] Restructure spectrum package and command line tool (Johannes King)
• [#435] Add info about Gammapy contact points and gammapy-extra (Christoph Deil)
• [#421] Add spectrum fit serialisation code (Johannes King)
• [#403] Improve spectrum analysis (Johannes King)
• [#415] Add EventList plots (Jonathan Harris)
• [#414] Add Windows tests on Appveyor (Christoph Deil)
• [#398] Add function to compute exposure cubes (Luigi Tibaldo)
• [#396] Rewrite spectrum analysis (Johannes King)
• [#395] Fix misc issues with IRF classes (Johannes King)
• [#394] Move some data specs to gamma-astro-data-formats (Christoph Deil)
• [#392] Use external ci-helpers (Brigitta Sipocz)
• [#387] Improve Gammapy catalog query and browser (Christoph Deil)
• [#383] Add EnergyOffsetArray (Lea Jouvin)
• [#379] Add gammapy.region and reflected region computation (Johannes King)
• [#375] Misc cleanup of scripts and docs (Christoph Deil)
• [#371] Improve catalog utils (Christoph Deil)
• [#369] Improve the data management toolbox (Christoph Deil)
• [#367] Add Feldman Cousins algorithm (Dirk Lennarz)
• [#364] Improve catalog classes and gammapy-extra data handling (Jonathan Harris, Christoph Deil)
• [#361] Add gammapy-spectrum-pipe (Johannes King)
• [#359] Add 1D spectrum analysis tool based on gammapy.hspec (Johannes King)
• [#353] Add some scripts and examples (Christoph Deil)
• [#352] Add data management tools (Christoph Deil)
• [#351] Rewrite EnergyDispersion class (Johannes King)
• [#348] Misc code cleanup (Christoph Deil)
• [#347] Add background cube model comparison plot script (Manuel Paz Arribas)
• [#342] Add gammapy-bin-image test (Christoph Deil)
• [#339] Remove PoissonLikelihoodFitter (Christoph Deil)
• [#338] Add example script for cube background models (Manuel Paz Arribas)
• [#337] Fix sherpa morphology fitting script (Axel Donath)
• [#335] Improve background model simulation (Manuel Paz Arribas)
• [#332] Fix TS map boundary handling (Axel Donath)
• [#330] Add EnergyDispersion and CountsSpectrum (Johannes King)
• [#319] Make background cube models (Manuel Paz Arribas)
• [#290] Improve energy handling (Johannes King)

0.3 (August 13, 2015)

Summary

• Released on August 13, 2015 (Gammapy 0.3 on PyPI)
• 9 contributors (5 new)
• 4 months of work (from April 13, 2014 to August 13, 2015)
• 24 pull requests
• Requires Astropy version 1.0 or later.
• On-off likelihood spectral analysis was added in gammapy.hspec, contributed by Regis Terrier and Ignasi Reichardt. It will be refactored and is thus not part of the public API.
• The Gammapy 0.3 release is the basis for an ICRC 2015 poster contribution

Contributors

• Manuel Paz Arribas
• Christoph Deil
• Axel Donath
• Jonathan Harris (new)
• Johannes King (new)
• Stefan Klepser (new)
• Ignasi Reichardt (new)
• Regis Terrier
• Victor Zabalza (new)

Pull requests

• [#326] Fix Debian install instructions (Victor Zabalza)
• [#318] Set up and document logging for Gammapy (Christoph Deil)
• [#317] Using consistent plotting style in docs (Axel Donath)
• [#312] Add an "About Gammapy" page to the docs (Christoph Deil)
• [#306] Use assert_quantity_allclose from Astropy (Manuel Paz Arribas)
• [#301] Simplified attribute docstrings (Manuel Paz Arribas)
• [#299] Add cube background model class (Manuel Paz Arribas)
• [#296] Add interface to HESS FitSpectrum JSON output (Christoph Deil)
• [#295] Observation table subset selection (Manuel Paz Arribas)
• [#291] Remove gammapy.shower package (Christoph Deil)
• [#289] Add a simple Makefile for Gammapy. (Manuel Paz Arribas)
• [#286] Function to plot Fermi 3FGL light curves (Jonathan Harris)
• [#285] Add infos how to handle times in Gammapy (Christoph Deil)
• [#283] Consistent random number handling and improve sample_sphere (Manuel Paz Arribas)
• [#280] Add new subpackage: gammapy.time (Christoph Deil)
• [#279] Improve SNRcat dataset (Christoph Deil)
• [#278] Document observation tables and improve gammapy.obs (Manuel Paz Arribas)
• [#276] Add EffectiveAreaTable exporter to EffectiveAreaTable2D (Johannes King)
• [#273] Fix TS map header writing and temp file handling (Axel Donath)
• [#264] Add hspec - spectral analysis using Sherpa (Regis Terrier, Ignasi Reichardt, Christoph Deil)
• [#262] Add SNRCat dataset access function (Christoph Deil)
• [#261] Fix spiral arm model bar radius (Stefan Klepser)
• [#260] Add offset-dependent effective area IRF class (Johannes King)
• [#256] EventList class fixes and new features (Christoph Deil)

0.2 (April 13, 2015)

Summary

• Released on April 13, 2015 (Gammapy 0.2 on PyPI)
• 4 contributors (1 new)
• 8 months of work (from August 25, 2014 to April 13, 2015)
• 40 pull requests
• Requires Astropy version 1.0 or later.
• Gammapy now uses Cython, i.e. requires a C compiler for end-users and in addition Cython for developers.

Contributors

• Manuel Paz Arribas (new)
• Christoph Deil
• Axel Donath
• Ellis Owen

Pull requests

• [#254] Add changelog for Gammapy (Christoph Deil)
• [#252] Implement TS map computation in Cython (Axel Donath)
• [#249] Add data store and observation table classes, improve event list classes (Christoph Deil)
• [#248] Add function to fill acceptance image from curve (Manuel Paz Arribas)
• [#247] Various fixes to image utils docstrings (Manuel Paz Arribas)
• [#246] Add catalog and plotting utils (Axel Donath)
• [#245] Add colormap and PSF inset plotting functions (Axel Donath)
• [#244] Add 3FGL to dataset fetch functions (Manuel Paz Arribas)
• [#236] Add likelihood converter function (Christoph Deil)
• [#235] Add some catalog utilities (Christoph Deil)
• [#234] Add multi-scale TS image computation (Axel Donath)
• [#231] Add observatory and data classes (Christoph Deil)
• [#230] Use setuptools entry_points for scripts (Christoph Deil)
• [#225] Misc cleanup (Christoph Deil)
• [#221] TS map calculation update and docs (Axel Donath)
• [#215] Restructure TS map computation (Axel Donath)
• [#212] Bundle xmltodict.py in gammapy/extern (Christoph Deil)
• [#210] Restructure image measurement functions (Axel Donath)
• [#205] Remove healpix_to_image function (moved to reproject repo) (Christoph Deil)
• [#200] Fix quantity errors from astro source models (Christoph Deil)
• [#194] Bundle TeVCat in gammapy.datasets (Christoph Deil)
• [#191] Add Fermi PSF dataset and example (Ellis Owen)
• [#188] Add tests for spectral_cube.integral_flux_image (Ellis Owen)
• [#187] Fix bugs in spectral cube class (Ellis Owen)
• [#186] Add iterative kernel background estimator (Ellis Owen)

0.1 (August 25, 2014)

Summary

• Released on August 25, 2014 (Gammapy 0.1 on PyPI)
• 5 contributors
• 15 months of work (from May 15, 2013 to August 25, 2014)
• 82 pull requests
• Requires Astropy version 0.4 or later.

Contributors

• Rolf Bühler
• Christoph Deil
• Axel Donath
• Ellis Owen
• Regis Terrier

Pull requests

Note that Gammapy development started out directly in the master branch, i.e. for some things there is no pull request we can list here.

• [#180] Clean up datasets code and docs (Christoph Deil)
• [#177] Misc code and docs cleanup (Christoph Deil)
• [#176] Add new gammapy.data sub-package (Christoph Deil)
• [#167] Add image profile function (Ellis Owen)
• [#166] Add SED from Cube function (Ellis Owen)
• [#160] Add code to make model images from a source catalog (Ellis Owen)
• [#157] Re-write Galaxy modelling code (Axel Donath)
• [#156] Add Fermi Vela dataset (Ellis Owen)
• [#155] Add PSF convolve function (Ellis Owen)
• [#154] Add Fermi PSF convolution method (Ellis Owen)
• [#151] Improve npred cube functionality (Ellis Owen)
• [#150] Add npred cube computation (Christoph Deil and Ellis Owen)
• [#142] Add EffectiveAreaTable and EnergyDependentMultiGaussPSF classes (Axel Donath)
• [#138] Add Crab flux point dataset (Rolf Bühler)
• [#128] Add flux point computation using Lafferty & Wyatt (1995) (Ellis Owen)
• [#122] Add morphology models as Astropy models (Axel Donath)
• [#117] Improve synthetic Milky Way modeling (Christoph Deil)
• [#116] Add Galactic source catalog simulation methods (Christoph Deil)
• [#109] Python 2 / 3 compatibility with a single codebase (Christoph Deil)
• [#103] Add datasets functions to fetch Fermi catalogs (Ellis Owen)
• [#100] Add image plotting routines (Christoph Deil)
• [#96] Add wstat likelihood function for spectra and images (Christoph Deil)
• [#88] Add block reduce function for HDUs (Ellis Owen)
• [#84] Add TablePSF and Fermi PSF (Christoph Deil)
• [#68] Integrate PyFACT functionality in Gammapy (Christoph Deil)
• [#67] Add image measure methods (Christoph Deil)
• [#66] Add plotting module and HESS colormap (Axel Donath)
• [#65] Add model image and image measurement functionality (Axel Donath)
• [#64] Add coordinate string IAU designation format (Christoph Deil)
• [#58] Add per-pixel solid angle function in image utils (Ellis Owen)
• [#48] Add sphere and power-law sampling functions (Christoph Deil)
• [#34] Rename tevpy to gammapy (Christoph Deil)
• [#25] Add continuous wavelet transform class (Regis Terrier)
• [#12] Add coverage reports to continuous integration on coveralls (Christoph Deil)
• [#11] Add blob detection (Axel Donath)
• Rename tevpy to gammapy in commit 7e955f on Aug 19, 2013 (Christoph Deil)
• Start tevpy repo with commit 11af4c on May 15, 2013 (Christoph Deil)