THE PROGRAMS
============
+ctsim - a graphical user interface for all functions. Currently, this is
+still under development and incomplete compared to command-line tools.
+
phm2if - generates an image file of a phantom object
phm2pj - Simulates the collection of CT data, or projections, of a phantom
TYPICAL USAGE
=============
+Graphical User Interface
+------------------------
+
+Use ctsim, but most functions are not yet incorporated.
+
+Command Line Interface
+----------------------
+
When evaluating CT simulation, in general, these steps are followed:
Create a phantom image and viewable image file