v = vrml_frame (t, r, ...)
t : 3 Translation Default : [0,0,0]
r : 3x3 Matrix, or Default : eye(3)
3 Argument for rotv
OPTIONS
name : size : function : default
"scale" : 3 or 1 : Length of frame's branches (including cone) <1>
"diam" : 3 or 1 : Diameter of cone's base
"col" : 3 or 3x3 : Color of branches (may be stacked vertically) <[3 4 9]/10>
"hcol" : 3 or 3x3 : Color of head (may be stacked vertically)
Package: vrml