CIGAL Reference Manual, Chapter 4 (Variables): gplane

Gplane -- Integer variable specifying image processor plane for graphics

usage: gplane = value

GPLANE is an internally defined integer variable for use with an image processor containing multiple memory planes. GPLANE specifies which image plane is to be used for drawing graphics data. The value of the GPLANE parameter can be changed at any time and remains set until it is explicitly modified again.

See Also:
CIGAL Home, CIGAL Manual, Variables List, Manual Help