GammaLib 1.1 release (24 July 2016)

Overview

GammaLib 1.1 is a major release that adds significant functionality.

In particular, this release provides:

• Support for Fermi/LAT Pass 8 analysis
• Support for CTA on/off fitting
• Point Spread Function histograms for CTA
• Energy dispersion for stacked CTA analysis
• Publication of sky maps to the Virtual Observatory hub
• New names for spatial and spectral model and their parameters (see Model handling)

Bug fixes

• Fix exception handling SWIG interface for Python 3
• [1815] - Fix consistency problem in GCTABackground3D
• [1806] - Fix Makefile for example executables
• [1717] - Make GFilename::is_fits thread safe
• Fix GFitsTableCol::insert() method for empty columns
• [1662] - Fix GCTAEdisp2D::compute_ebounds_xxx() methods

Improvements

• [1824] - Check on model parameters in spectral registry
• [1821] - Rename spectral model components
• [1820] - Write same XML element names than those that were read
• [1818] - Rename spatial model components
• [1808] - Models accessing file now support relative file names, add GXmlElement::filename() and GXmlDocument::filename() methods, move node parent from GXmlElement to GXmlNode class
• [1784] - GCTAAeff2D no longer extrapolates beyond response table
• [1787] - GSkyMap::save() now overwrites files
• [1779] - Use std::vector for naxes argument in GFitsImage
• GCTACubePsf and GCTACubeEdisp now save 4D images
• Change interpolation scheme in GCTABackground3D
• [1765] - Add GModel::read_attributes() and GModel::write_attributes() private methods
• [1746] - Also write test reports in case of an exception
• [1745] - GCaldb::filename() method now returns GFilename
• [1725] - Use rejection method in GModelSpatialDiffuseMap::mc()
• [1722] - Use rejection method in GCTABackground3D::mc() and GModelSpatialDiffuseCube::mc()
• [1714] - Revise GTime operators
• [1695] - Handle FITS extensions in GSkyMap::load() and GSkyMap::save() methods
• [1674] - Restrict Monte Carlo simulations in GModelSpatialDiffuseConst to simulation cone
• [1673] - Optimise GModelSpatialDiffuseMap::set_mc_cone() and GModelSpatialDiffuseCube::set_mc_cone() methods
• [1672] - Use default GTime in GModelSpectral::eval() and GModelSpectral::eval_gradients() methods
• [1671] - The GApplicationPar::filename() methods now take and return GFilename
• [1670] - Use default GTime in GObservation::deadc() method
• [1666] - Add GFilename methods and remove equivalents from GTools
• [1664] - Add non-const GObservation::events() method
• [1656] - Use column names for CTA response table access
• [1649] - Use GFilename in GFits to store filename
• [1648] - Implement event fetching and disposal in GCTAEventList class
• Handle also additional columns in GCTAEventList::append() method
• [1598] - Load CTA GTI extension from the HDU name provided by the DSS keyword

New features

• [1803] - Include examples in unit tests
• Handle additional columns in GArf class
• [1798] - Add GWcsSIN projection class
• [1789] - Add weights to CTA event cube and event bin
• [1786] - Add GCTAPsfTable class
• [1773] - Add GCsv::append() method
• [1772] - Add GTestSuite::test_value() string method
• [1770] - Add component setting methods to GModelSky
• Add GApplication::logFileClose() method
• [1744] - Add GCTAObservation filename constructor
• [1743] - Add gammalib::number() function
• [1733] - Add GSkyMap::shape() and GSkyMap::ndim() methods
• Add GEnergy division operator
• [1723] - Add GObservations::nobserved() method
• [1721] - Add energy dispersion cube for stacked analysis
• [1710] - Add GSkyMap::publish() method to publish map on VO Hub and add GVOClient::publish() method to publish a FITS HDU
• [1710] - Add GSkyMap::publish() method to publish map on VO Hub
• Add GFilename::fullname() method
• Add GCTAEventList::remove() method
• [1517] - Support Fermi LAT Pass 8 response functions
• [1484] - Support out of source builds
• [1044, 1781] - Finalize implementation of CTA On/Off fitting

Clean up

• Remove GCTACubeExposure::elogmeans(), GCTACubePsf::elogmeans() and GCTACubeBackground::elogmeans() methods
• [1669] - Remove GCTAOnOffObservations class
• [1648] - Remove event fetching from GCTAObservation class