Tuesday, September 28, 2010

Sherpa modeling and fitting package on Ubuntu

Sherpa is a set of fitting and modelling routines used by the people from the Chandra X-Ray Observatory. It is a very robust software with its own interface, although recently they developed a python implementation which is very easy to use. I guess x-ray astronomers must know what they are doing, don't you?

You can find the python package here.
When I tried to install it on Ubuntu 10.04 or 10.10 I faced a really nasty compilation problem with the file Simplex.cc. To fix it you must edit the following file before compiling:


Just add this line to the beginning

#include <stdio.h> 

If you have all dependencies installed the compilation should run just fine. In the following weeks I will post some examples with Sherpa.

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