--- ray/test/renders/diskcoords.cal	2018/12/01 02:06:05	1.2
+++ ray/test/renders/diskcoords.cal	2018/12/03 19:49:11	1.3
@@ -1,8 +1,6 @@
-{ RCSid $Id: diskcoords.cal,v 1.2 2018/12/01 02:06:05 greg Exp $ }
+{ RCSid $Id: diskcoords.cal,v 1.3 2018/12/03 19:49:11 greg Exp $ }
 {
 	Shirley-Chiu coordinate calculation for BRDF data types (plasdata, metdata)
-
-	Assumes material in X-Y plane with Y axis "up" and surface normal is Z-axis
 }
 			{ Compute square position from disk coordinates }
 norm_radians(p) : if(-p - PI/4, p + 2*PI, p);