3D visualization device system (OpenGL)

rgl	3D visualization device system
rgl.bbox	setup Bounding Box decoration
rgl.bg	setup Background
rgl.clear	scene management
rgl.close	3D visualization device system
rgl.cur	3D visualization device system
rgl.light	add light source
rgl.lines	add primitive set shape
rgl.material	generic Appearance setup
rgl.open	3D visualization device system
rgl.points	add primitive set shape
rgl.pop	scene management
rgl.primitive	add primitive set shape
rgl.quads	add primitive set shape
rgl.quit	3D visualization device system
rgl.set	3D visualization device system
rgl.snapshot	export screenshot
rgl.spheres	add sphere set shape
rgl.sprites	add sprite set shape
rgl.surface	add height-field surface shape
rgl.texts	add text set shape
rgl.triangles	add primitive set shape
rgl.viewpoint	setup Viewpoint