{{lastupdated_at}} by {{lastupdated_by}}

{{>toc}}

h1. ctools-00-08-00 release

The ctools version 0.8.0 has been released.

The release includes the following changes:
* Clean-up public interface
* Adapt to GammaLib 0.9.0 interface
* Add ctexpcube tool (generates exposure cube)
* Add ctpsfcube tool (generates PSF cube)
* Add ctbkgcube tool (generates background cube)
* Add ctcubemask tool (masks event bins in event cube)
* Add cttsmap tool (generates TS map)
* Add ctbutterfly tool (generates butterfly diagram)
* Add csresmap script (generates residual map)
* Introduce ctool base class
* ctbin now always merges event lists into a single counts cube
* ctmodel now always creates a single model cube
* Support energy dispersion in ctobssim, ctlike and ctmodel       
* Correct ctobssim for thread safety
* Support save and user energy thresholds in ctselect
* Correctly apply time references in ctselect
* Reduce memory usage
* Move obsutils to ctools namespace
* Add several functions to obsutils
* Enhance documentation