+ CTSim provides an interactive computed tomography simulator. Computed
+ tomography is the technique of estimating the interior of an object
+ by on measuring x-ray absorption through an object.
+ .
+ It has both command-line tools and well as a graphical user interface.
+ CTSim has very education trace modes for viewing the data collection
+ simulation as well as the reconstruction.
+ .
+ The home page for CTSim is http://www.ctsim.org.