What: Togl
Where: http://togl.sourceforge.net Description: an OpenGL-based 3D rendering widget created by Brian Paul and Ben Bederson.
PO : A slightly modified version of Togl is available from http://www.tcl3d.org/
This enhanced version can be used in conjunction with the package tclogl to program OpenGL in Tcl.
PO 2006/01/15
tclogl has been enhanced and renamed to Tcl3D.
OVERGRID uses the Togl widget. OVERGRID is a NASA-developed GUI program for performing interactive visualization, manipulation, processing and diagnostic of geometry and grids.