Changeset 13324 for fact/tools/pyscripts/doc/_build/html/_sources/getting_started.txt

Timestamp:

04/05/12 17:32:54 (12 years ago)

Author:

lusterma

Message:

updated

File:

• fact/tools/pyscripts/doc/_build/html/_sources/getting_started.txt (modified) (3 diffs)

fact/tools/pyscripts/doc/_build/html/_sources/getting_started.txt

@@ -39 +39 @@
     * pyscript/tools
     * pyscripts/ecamples
-    * py
 
 the absolute path depends on where you have checked (or will check) out the pyscripts repository
@@ -47 +46 @@
 svn co https://fact.isdc.unige.ch/svn/fact/tools/pyscripts/
 
-4. Create pyfits library
+4. Create pyfits_h.so library
 ========================
-FACT data are stored in (gzipped) fits files, but the data files are too large to be read by the default tool: 
+FACT data are stored in (gzipped) fits files, but the data files are too large to be read by the existing tools: 
 
-`pyfits <http://www.stsci.edu/institute/software_hardware/pyfits>`.
+`pyfits <http://www.stsci.edu/institute/software_hardware/pyfits>` which uses `cfitsio <http://heasarc.gsfc.nasa.gov/fitsio/>`_.
 
-To mitigate this problem a C++ class defined in `fits.h` is used. A simple possibility to create an interface of this C++ class and python is to use the 
+To mitigate this problem a C++ class defined in fits.h [#f1]_ is used. A simple possibility to create an interface of this C++ class is to use ROOT and later to import it using the
+`pyroot <http://root.cern.ch/drupal/category/package-context/pyroot>`_ module.
 
-`pyroot http://root.cern.ch/drupal/category/package-context/pyroot>` module.
+got to the directory: pyscripts/pyfact
 
 simple::
 
-  [pceth118] /home/luster/py > root
-  ROOT 5.28/00h (branches/v5-28-00-patches@42209, Feb 13 2012, 23:52:00 on linux)
+  [lusterma@isdc-cn02 pyfact]$ root
+  ROOT 5.28/00 (trunk@37585, Dec 14 2010, 15:20:27 on linuxx8664gcc)
   CINT/ROOT C/C++ Interpreter version 5.18.00, July 2, 2010
   Type ? for help. Commands must be C++ statements.
   Enclose multiple statements between { }.
+
   root [0] .L fits.h++
-  Info in <TUnixSystem::ACLiC>: creating shared library /home/luster/py/./fits_h.so
+  Info in <TUnixSystem::ACLiC>: creating shared library /home_nfs/isdc/lusterma/pyscripts/pyfact/./fits_h.so
   root [1]
 
+This might not work for whatenver reason then it should be done like this::
 
+  $rootcint -f my_dict.C -c fits.h izstream.h
+  $g++ -fPIC -c -I$ROOTSYS/include my_dict.C -o my_dict.o
+  $g++ -o fits_h.so -shared my_dict.o
+
+Now you can check if the reading rawdata is working:
+
+$ pyfact.py
+
+this should print some data from a few events
 
 5. Run examples
@@ -93 +104 @@
 
 
+.. rubric:: Footnotes
+.. [#f1] fits.h (here named pyfits.h) is part of MARS and was written by T.Bretz, it was added to this repository for convienience