From 7d2423aa86df49d73fd5bfef28e274c2b6a0088f Mon Sep 17 00:00:00 2001 From: Jürgen Knödlseder Date: Fri, 17 Jan 2014 22:52:23 +0100 Subject: [PATCH] Update following implementation of precise solid angle computations (feature #1017) --- ChangeLog | 1 + NEWS | 9 +++++++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 8375136..730d241 100644 --- a/ChangeLog +++ b/ChangeLog @@ -23,6 +23,7 @@ Put likelihood computation in GObservation class Add broken power law spectral model Add Gaussian spectral model + Implement exact sky map pixel solid angle computation Rename the following classes: - GWcs => GSkyProjection - GWcslib => GWcs diff --git a/NEWS b/NEWS index b61d936..5aad6ac 100644 --- a/NEWS +++ b/NEWS @@ -1,4 +1,4 @@ -New Features and Important Changes in GammaLib 00-08-00 +vNew Features and Important Changes in GammaLib 00-08-00 Author(s) : Juergen Knoedlseder @@ -560,7 +560,12 @@ The GSkyPixel class now supports 1D and 2D pixelisations, allowing a more generic usage of the class. Integer and double precision values can be assigned from and to GSkyPixel for 1D pixelisations. -The GWcsAIT class has been added for Aitoff-Hammer projections. +The GWcsAIT class has been added for Aitoff projections. + +The solid angle of sky map pixels are now computed using the spherical +excess. This provides accurate solid angles even in case that the +pixels are highly distorted, for example at the poles of the Aitoff +projections. 13. Support module -- libgit2 0.21.4