2 Modified the raysum file format to be platform independent
5 Added Microsoft VC compatibility
6 Cleaned up compilation warnings in libgraph
9 Continued conversion to ANSI C
10 Removed old CRT routines
13 Renamed pictures to phantoms, objects to phantom elements
14 Continued code cleanup
17 More code cleanup with reorganizing libraries
18 Added --log and --exp to sdf-1
19 Allowed negative numbers for window levels in CGI interface
22 Continued code cleanup
26 Better documented, coded raysum in-memory on on-disk options
29 Cleaned out library that wasn't being used by CTSim
30 Modified ctsim.cgi to read in configuration file ctsim.conf
33 First open source distribution for GNU/Linux
36 Converted to GNU/Linux
37 added MPI support via LAM library
40 Developed under MS-DOS and IBM EGA graphics