METCOL stores a color table to the Longlib Metafile. The effect of the color table is output device dependent.
CALL METCOL(r,g,b,c,n) r,g,b (I): arrays red, green, and blue color indexes (device dependent interpretation) |r,g,b| < 32767 c (I): array of color index code (device dependent interpretation) |c| < 32767 n (I): number of elements in r,g,b, and c arrays