GLCLUMP GLCLUMP Create a GL Clump

Usage

Defines an aggregate clump of objects that can be treated
as a node.  A GL Clump is defined by a vector consisting
of the following elements:

   [r1 g1 b1 n1 p1 p2 p3 ... r2 g2 b2 n2 p1 p2 p3 ... ]

i.e., an RGB color spec, followed by a point count ni, followed
by a length ni vector of coordinates that are x,y,z triplets.
The usage of this function is

   glclump(name,vector)

where name is the name of the clump and vector is the aforementioned
vector of points.
