3 Portable IF (image file) format implemented to replace SDF
4 Converted from MPI to MPI++
7 Simpilifed endian handling
10 Added support for 64-bit (IA64) CPU
11 Removed broken B-spline interpolation
12 Added support for cygwin platform under Windows 2000
13 Added support for 16-bit PNG graphics
16 Added compile-time configuration of endian order
19 Modified the raysum file format to be platform independent
22 Added Microsoft VC compatibility
23 Cleaned up compilation warnings in libgraph
26 Continued conversion to ANSI C
27 Removed old CRT routines
30 Renamed pictures to phantoms, objects to phantom elements
31 Continued code cleanup
34 More code cleanup with reorganizing libraries
35 Added --log and --exp to sdf-1
36 Allowed negative numbers for window levels in CGI interface
39 Continued code cleanup
43 Better documented, coded raysum in-memory on on-disk options
46 Cleaned out library that wasn't being used by CTSim
47 Modified ctsim.cgi to read in configuration file ctsim.conf
50 First open source distribution for GNU/Linux
53 Converted to GNU/Linux
54 added MPI support via LAM library
57 Developed under MS-DOS and IBM EGA graphics