--- ray/src/rt/rpmain.c	2024/01/17 01:31:08	2.30
+++ ray/src/rt/rpmain.c	2024/04/08 17:08:15	2.33
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rpmain.c,v 2.30 2024/01/17 01:31:08 greg Exp $";
+static const char	RCSid[] = "$Id: rpmain.c,v 2.33 2024/04/08 17:08:15 greg Exp $";
 #endif
 /*
  *  rpmain.c - main for rpict batch rendering program
@@ -66,14 +66,16 @@ static void printdefaults(void);
 		"HessianAmbientCache\nAmbientAveraging\nAmbientValueSharing\n" \
 		"PixelJitter\nPixelSampling\nPixelMotion\nPixelDepthOfField\n" \
 		"SmallSourceDrawing\nViewSequence\nProgressReporting\n" \
-		"AdaptiveShadowTesting\nOutputs=v,l\n"
+		"AdaptiveShadowTesting\nOutputs=v,l\n" \
+		"OutputCS=RGB,XYZ,prims\n"
 #else
 #define RPICT_FEATURES	"Recovery\nIrradianceCalc\nViewTypes=v,l,a,h,s,c\n" \
 		"ParticipatingMedia=Mist\n" \
 		"HessianAmbientCache\nAmbientAveraging\nAmbientValueSharing\n" \
 		"PixelJitter\nPixelSampling\nPixelMotion\nPixelDepthOfField\n" \
 		"SmallSourceDrawing\nViewSequence\nProgressReporting\n" \
-		"AdaptiveShadowTesting\nOutputs=v,l\n"
+		"AdaptiveShadowTesting\nOutputs=v,l\n" \
+		"OutputCS=RGB,XYZ,prims\n"
 #endif
 
 
@@ -271,8 +273,7 @@ main(int  argc, char  *argv[])
 		}
 	}
 					/* set/check spectral sampling */
-	rval = setspectrsamp(CNDX, WLPART);
-	if (rval < 0)
+	if (setspectrsamp(CNDX, WLPART) <= 0)
 		error(USER, "unsupported spectral sampling");
 
 	err = setview(&ourview);	/* set viewing parameters */