Version 3.0alpha Features

* Creation of arbitrary filter images

* All features of command line tools are now in graphical ctsim program!

* Complex-valued image files now supported, lots of image math
 functions added including fourier transformations

* Visual and statistical image comparision functions

* 2D plots of row and column data of single and comparison images

 
Version 2.5 of CTSim has been released!

New Features of CTSim version 2.5:

- Now compiles with Microsoft Visual C++.

- First Microsoft Windows graphical user interface

- Bug fixes and modest documentation and program improvements over version 2.0



New Features of CTSim version 2.0:

- Entire code-base cleaned up, re-written, and converted from C to C++.

- Graphical user interface now included! Animation of projection and
  reconstruction processes. Displays projection and image files. Uses
  platform-independent wxWindows library so can run on UNIX and 
  Microsoft Windows platforms.

- Integrated G2 library for graphical display from command line tools
  (UNIX only)

- Added frequency-based filtering. Can provide significant speed-up
  in reconstructions compared to convolution-based filtering.

- Added highly-optimized backprojection method (idiff3)

- New command-line tools added for image statistics and comparisons with
  both text and graphical outputs.