For additional information, refer to the Dart mailing list, or study an existing implementation (such as ITK or VTK). You can obtain access to this code as follows.
cvs -d :pserver:anonymous@www.itk.org:/cvsroot/Insight login
(respond with password insight)
Follow this command by checking out the source code:
cvs -d :pserver:anonymous@www.itk.org:/cvsroot/Insight co Insight
cvs -d :pserver:anonymous@www.vtk.org:/cvsroot/VTK login
(respond with password vtk)
Follow this command by checking out the source code:
cvs -d :pserver:anonymous@www.vtk.org:/cvsroot/VTK co VTK