--- ray/src/rt/rvmain.c	2016/03/10 18:25:46	2.15
+++ ray/src/rt/rvmain.c	2023/01/24 21:54:49	2.18
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rvmain.c,v 2.15 2016/03/10 18:25:46 schorsch Exp $";
+static const char	RCSid[] = "$Id: rvmain.c,v 2.18 2023/01/24 21:54:49 greg Exp $";
 #endif
 /*
  *  rvmain.c - main for rview interactive viewer
@@ -55,7 +55,6 @@ static void onsig(int  signo);
 static void sigdie(int  signo, char  *msg);
 static void printdefaults(void);
 
-
 int
 main(int argc, char *argv[])
 {
@@ -84,7 +83,7 @@ main(int argc, char *argv[])
 	specthresh = .3;
 	specjitter = 1.;
 	maxdepth = 6;
-	minweight = 1e-2;
+	minweight = 1e-3;
 	ambacc = 0.3;
 	ambres = 32;
 	ambdiv = 256;
@@ -230,13 +229,20 @@ main(int argc, char *argv[])
 	
 	ray_init(octnm);		/* also calls ray_init_pmap() */
 	
+/* temporary shortcut, until winrview is refactored into a "device" */
+#ifndef WIN_RVIEW
 	rview();			/* run interactive viewer */
 
+
 	devclose();			/* close output device */
+#endif
 
 	/* PMAP: free photon maps */
 	ray_done_pmap();
 	
+#ifdef WIN_RVIEW
+	return 1;
+#endif
 	quit(0);
 
 badopt: