Togl is a tk widget for opengl rendering. togl was originally based on ogltk, written by benjamin bederson at the university of new mexico. togl's main features are:

* unifies microsoft windows, x11 (linux/irix/...), and mac os x
aqua support
* support for requesting stencil, accumulation, alpha buffers, etc.
* multiple opengl drawing windows
* simple stereo rendering support
* simple, portable font support
* color-index mode support including color allocation functions
* overlay plane support
* opengl extension testing from tcl
* tcl extension architecture (tea) 3 compliant
this package contains development files for using optimized shared libraries.