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GRESS - GBM Response Simulation System               R.M. Kippen, LANL, FEB-2006
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Revision History Guide

Revision 1.0.9  26-FEB-2006
===========================
- No longer require patch-level compliance with GEANT4 since old
  patch releases are not archived by CERN.
- Upgrade from <strstream> to <sstream> for use with GEANT4.8.0
- Upgrade to g4lecs1.06 for use with GEANT4.8.0
- Upgrade to use explicit CLHEP namespace for use with GEANT4.8.0
- Migrate to use of G4VisExecutive for use with GEANT4.8.0
- Implement optional physics in atmosim same as in gbmsim
- Starting with this version atmosim will be compiled by default
- Added capacity for optional GRESS_MODEL_DIR environment variable pointer to
  directory that contains ggdml model files. [default is same: $GRESS_DIR/gbmsim/Models]
- Updated installation instructions

Includes:  gbmsim 1.0.8, calsim 1.0.4, atmosim 1.0.0

Revision 1.0.8  15-Dec-2005
===========================
- Upgrade gbmsim/atmosim to GEANT4.7.1
- Upgrade gbmsim Model files for use with GEANT4.7.1
- New makefiles REQUIRE GEANT4 master include directory $G4INSTALL/include
- Removed non-essential files from G4LECS
- Fixed bug in calsim HistogramType command to prevent crash if one or
  both arguments are omitted. 
- Fixed ggdml RCObjectHandle.h, LibLoadProcesses.cpp, LibLoadSubscribers.cpp
  for comptibility with gcc 3.4/4.0.
- Fixed potential confusion in DiscUser energy distribution (gbmSPSEneDistribution.cc)
- Fix bug in calsim when normalizing DRM with linear y-axis scaling
- Add commands for plane wave and point source with arbitrary target point.

Includes:  gbmsim 1.0.7, calsim 1.0.4, atmosim 0.0.0

Revision 1.0.7  7-Jun-2005
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- ROOT file output is overwritten if user issues multiple "beamOn"
  commands
- calsim has options for linear/logarithmic binning and plotting Emeasured/Eincident.

Includes:  gbmsim 1.0.6, calsim 1.0.3, atmosim 0.0.0

Revision 1.0.6  28-May-2005
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- Changes to calsim for compatibility with CCfits-1.3
- New debugging feature added to gbmsim
- Updates and correction in documentation

Includes:  gbmsim 1.0.5, calsim 1.0.2, atmosim 0.0.0

Revision 1.0.5  26-May-2005
===========================
- Changes to calsim FITS file output format
- Corrected installation instructions
- Minor changes to gbmsim

Includes:  gbmsim 1.0.4, calsim 1.0.2, atmosim 0.0.0

Revision 1.0.4  14-Mar-2005
===========================
- Update gbmsim to require with GEANT 4.7.0 patch 1
- Minor changes to Nai/BGO mass models

Includes:  gbmsim 1.0.3, calsim 1.0.1, atmosim 0.0.0

Revision 1.0.3  10-Jan-2005
===========================
- Update gbmsim to work with GEANT 4.7.0.

Includes:  gbmsim 1.0.2, calsim 1.0.1, atmosim 0.0.0

Revision 1.0.2  16-Nov-2004
===========================
- added RandomSeed command to calsim.

Includes:  gbmsim 1.0.1, calsim 1.0.1, atmosim 0.0.0

Revision 1.0.1  15-Nov-2004
===========================
- added ability to set distance to source in /gbm/planewavesource command

Includes:  gbmsim 1.0.1, calsim 1.0.0, atmosim 0.0.0

Revision 1.0.0  12-Nov-2004
===========================
First official release.  Instrument models include flight detectors without
spacecraft.  

Includes:  gbmsim 1.0.0, calsim 1.0.0, atmosim 0.0.0


PROBLEMS/QUESTIONS:
===================
Marc Kippen, mkippen@lanl.gov, 505-667-3125
Andrew Hoover, ahoover@lanl.gov, 505-664-0979
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