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- /* File: SpiralOps.psw - Random PostScript routines for 'PrimeSpiral'
- *
- * By: Christopher Lane
- * Symbolic Systems Resources Group
- * Knowledge Systems Laboratory
- * Stanford University
- *
- * Date: 9 March 1990
- *
- * Copyright: 1990 by The Leland Stanford Junior University. This program
- * may be distributed without restriction for non-commercial use.
- */
-
- defineps PSdrawAt (float x, y)
- x y 0 0 rectfill
- endps
-
- defineps PSclearToGray(float gray)
- currentgray
- gray setgray
- clippath
- fill
- setgray
- endps
-