TRiP98 CT number plug-in
This plug-in, implemented as a user-supplied C-function,
should provide a three-dimensional distribution of CT (Hounsfield) numbers.
It is used e.g. in conjunction
with the CT command.
At run time it is called with the entrypoint
This name must be specified when the plug-in is prepared, e.g.
by means of the trpfct tool.
A template how the CT-number plug-in should look like can be found
$Id: trip98ctnum.html,v 1.6 2011/03/08 19:02:47 kraemer Exp $