--- ray/src/util/rad.c	1993/05/26 11:37:42	2.9
+++ ray/src/util/rad.c	1993/08/24 21:44:55	2.20
@@ -105,10 +105,12 @@ extern long	fdate(), time();
 
 long	scenedate;		/* date of latest scene or object file */
 long	octreedate;		/* date of octree */
+long	matdate;		/* date of latest material file */
 
 int	explicate = 0;		/* explicate variables */
 int	silent = 0;		/* do work silently */
 int	noaction = 0;		/* don't do anything */
+int	vwonly = 0;		/* print view only */
 char	*rvdevice = NULL;	/* rview output device */
 char	*viewselect = NULL;	/* specific view only */
 
@@ -142,6 +144,9 @@ char	*argv[];
 		case 'o':
 			rvdevice = argv[++i];
 			break;
+		case 'V':
+			vwonly++;
+		/* fall through */
 		case 'v':
 			viewselect = argv[++i];
 			break;
@@ -166,6 +171,9 @@ char	*argv[];
 				/* print all values if requested */
 	if (explicate)
 		printvals();
+				/* print view and exit? */
+	if (vwonly)
+		exit(printview()==0 ? 0 : 1);
 				/* build octree */
 	oconv();
 				/* check date on ambient file */
@@ -309,7 +317,7 @@ register int	n;
 {
 	register char	*cp;
 
-	if (vp == NULL || n < 0 || n >= vp->nass)
+	if (vp == NULL | n < 0 | n >= vp->nass)
 		return(NULL);
 	cp = vp->value;
 	while (n--)
@@ -423,6 +431,9 @@ checkfiles()			/* check for existence and modified tim
 				vnam(OCTREE), vnam(SCENE));
 		exit(1);
 	}
+	matdate = -1;
+	if (vdef(MATERIAL))
+		matdate = checklast(vval(MATERIAL));
 }	
 
 
@@ -561,11 +572,12 @@ checkambfile()			/* check date on ambient file */
 {
 	long	afdate;
 
-	if (vdef(AMBFILE)) {
-		afdate = fdate(vval(AMBFILE));
-		if (afdate >= 0 & octreedate > afdate)
-			rmfile(vval(AMBFILE));
-	}
+	if (!vdef(AMBFILE))
+		return;
+	if ((afdate = fdate(vval(AMBFILE))) < 0)
+		return;
+	if (octreedate > afdate | matdate > afdate)
+		rmfile(vval(AMBFILE));
 }
 
 
@@ -573,11 +585,11 @@ double
 ambval()				/* compute ambient value */
 {
 	if (vdef(EXPOSURE)) {
+		if (!isflt(vval(EXPOSURE)))
+			badvalue(EXPOSURE);
 		if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
 			return(.5/pow(2.,atof(vval(EXPOSURE))));
-		if (isdigit(vval(EXPOSURE)[0]) || vval(EXPOSURE)[0] == '.')
-			return(.5/atof(vval(EXPOSURE)));
-		badvalue(EXPOSURE);
+		return(.5/atof(vval(EXPOSURE)));
 	}
 	if (vlet(ZONE) == 'E')
 		return(10.);
@@ -621,7 +633,7 @@ register char	*op;
 		op = addarg(op, "-ds .4");
 	else
 		op = addarg(op, "-ds 0");
-	op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .7");
+	op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
 	if (vdef(AMBFILE)) {
 		sprintf(op, " -af %s", vval(AMBFILE));
 		op += strlen(op);
@@ -629,13 +641,13 @@ register char	*op;
 		overture = 0;
 	switch (vscale(VARIABILITY)) {
 	case LOW:
-		op = addarg(op, "-aa .4 -ad 32");
+		op = addarg(op, "-aa .4 -ad 64");
 		break;
 	case MEDIUM:
-		op = addarg(op, "-aa .3 -ad 64");
+		op = addarg(op, "-aa .3 -ad 128");
 		break;
 	case HIGH:
-		op = addarg(op, "-aa .25 -ad 128");
+		op = addarg(op, "-aa .25 -ad 256");
 		break;
 	}
 	op = addarg(op, "-as 0");
@@ -685,7 +697,7 @@ register char	*op;
 		op = addarg(op, "-ds .2 -dj .35");
 	else
 		op = addarg(op, "-ds .3");
-	op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .15");
+	op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
 	if (overture = vint(INDIRECT)) {
 		sprintf(op, " -ab %d", overture);
 		op += strlen(op);
@@ -697,13 +709,13 @@ register char	*op;
 		overture = 0;
 	switch (vscale(VARIABILITY)) {
 	case LOW:
-		op = addarg(op, "-aa .25 -ad 128 -as 0");
+		op = addarg(op, "-aa .25 -ad 196 -as 0");
 		break;
 	case MEDIUM:
-		op = addarg(op, "-aa .2 -ad 300 -as 64");
+		op = addarg(op, "-aa .2 -ad 400 -as 64");
 		break;
 	case HIGH:
-		op = addarg(op, "-aa .15 -ad 500 -as 128");
+		op = addarg(op, "-aa .15 -ad 768 -as 196");
 		break;
 	}
 	d = ambval();
@@ -752,7 +764,7 @@ register char	*op;
 		op = addarg(op, "-ds .1 -dj .7");
 	else
 		op = addarg(op, "-ds .2");
-	op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .03");
+	op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
 	sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
 	op += strlen(op);
 	if (vdef(AMBFILE)) {
@@ -762,13 +774,13 @@ register char	*op;
 		overture = 0;
 	switch (vscale(VARIABILITY)) {
 	case LOW:
-		op = addarg(op, "-aa .15 -ad 200 -as 0");
+		op = addarg(op, "-aa .15 -ad 256 -as 0");
 		break;
 	case MEDIUM:
-		op = addarg(op, "-aa .125 -ad 512 -as 128");
+		op = addarg(op, "-aa .125 -ad 512 -as 256");
 		break;
 	case HIGH:
-		op = addarg(op, "-aa .08 -ad 850 -as 256");
+		op = addarg(op, "-aa .08 -ad 1024 -as 512");
 		break;
 	}
 	d = ambval();
@@ -784,18 +796,22 @@ xferopts(ro)				/* transfer options if indicated */
 char	*ro;
 {
 	int	fd, n;
+	register char	*cp;
 	
 	n = strlen(ro);
 	if (n < 2)
 		return;
 	if (vdef(OPTFILE)) {
-		if ((fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666)) == -1)
+		for (cp = ro; cp[1]; cp++)
+			if (isspace(cp[1]) && cp[2] == '-' && isalpha(cp[3]))
+				*cp = '\n';
+			else
+				*cp = cp[1];
+		*cp = '\n';
+		fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
+		if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
 			syserr(vval(OPTFILE));
-		if (write(fd, ro+1, n-1) != n-1)
-			syserr(vval(OPTFILE));
-		write(fd, "\n", 1);
-		close(fd);
-		sprintf(ro, " \"^%s\"", vval(OPTFILE));
+		sprintf(ro, " @%s", vval(OPTFILE));
 	}
 #ifdef MSDOS
 	else if (n > 50) {
@@ -814,8 +830,14 @@ register char	*po;
 		po = addarg(po, "-1 -e");
 		po = addarg(po, vval(EXPOSURE));
 	}
-	if (vscale(QUALITY) == HIGH)
-		po = addarg(po, "-r .65");
+	switch (vscale(QUALITY)) {
+	case MEDIUM:
+		po = addarg(po, "-r 1");
+		break;
+	case HIGH:
+		po = addarg(po, "-m .25");
+		break;
+	}
 	if (vdef(PFILT))
 		po = addarg(po, vval(PFILT));
 }
@@ -955,7 +977,7 @@ getview(n, vn)				/* get view n, or NULL if none */
 int	n;
 char	*vn;		/* returned view name */
 {
-	register char	*mv = NULL;
+	register char	*mv;
 
 	if (viewselect != NULL) {		/* command-line selected */
 		if (n)				/* only do one */
@@ -970,6 +992,9 @@ char	*vn;		/* returned view name */
 				;
 			*vn = '\0';
 		}
+						/* view number? */
+		if (isint(viewselect))
+			return(specview(nvalue(vv+VIEW, atoi(viewselect)-1)));
 						/* check list */
 		while ((mv = nvalue(vv+VIEW, n++)) != NULL)
 			if (matchword(viewselect, mv))
@@ -978,15 +1003,63 @@ char	*vn;		/* returned view name */
 	}
 	mv = nvalue(vv+VIEW, n);		/* use view n */
 	if (vn != NULL & mv != NULL) {
-		if (*mv != '-')
-			while (*mv && !isspace(*mv))
-				*vn++ = *mv++;
+		register char	*mv2 = mv;
+		if (*mv2 != '-')
+			while (*mv2 && !isspace(*mv2))
+				*vn++ = *mv2++;
 		*vn = '\0';
 	}
 	return(specview(mv));
 }
 
 
+printview()			/* print out selected view */
+{
+	extern char	*atos();
+	char	buf[256];
+	FILE	*fp;
+	register char	*vopts, *cp;
+
+	vopts = getview(0, NULL);
+	if (vopts == NULL)
+		return(-1);
+	fputs("VIEW=", stdout);
+	do {
+		if (matchword(vopts, "-vf")) {		/* expand view file */
+			vopts = sskip(vopts);
+			if (!*atos(buf, sizeof(buf), vopts))
+				return(-1);
+			if ((fp = fopen(buf, "r")) == NULL)
+				return(-1);
+			for (buf[sizeof(buf)-2] = '\n';
+					fgets(buf, sizeof(buf), fp) != NULL &&
+						buf[0] != '\n';
+					buf[sizeof(buf)-2] = '\n') {
+				if (buf[sizeof(buf)-2] != '\n') {
+					ungetc(buf[sizeof(buf)-2], fp);
+					buf[sizeof(buf)-2] = '\0';
+				}
+				if (matchword(buf, "VIEW=") ||
+						matchword(buf, "rview")) {
+					for (cp = sskip(buf); *cp && *cp != '\n'; cp++)
+						putchar(*cp);
+				}
+			}
+			fclose(fp);
+			vopts = sskip(vopts);
+		} else {
+			while (isspace(*vopts))
+				vopts++;
+			putchar(' ');
+			while (*vopts && !isspace(*vopts))
+				putchar(*vopts++);
+		}
+	} while (*vopts++);
+	putchar('\n');
+	return(0);
+}
+
+
 rview(opts)				/* run rview with first view */
 char	*opts;
 {
@@ -1011,6 +1084,7 @@ char	*opts;
 	char	pfopts[128];
 	char	vs[32], *vw;
 	int	vn, mult;
+	long	lastdate;
 					/* get pfilt options */
 	pfiltopts(pfopts);
 					/* get resolution, reporting */
@@ -1041,6 +1115,8 @@ char	*opts;
 		else
 			badvalue(REPORT);
 	}
+					/* get update time */
+	lastdate = octreedate > matdate ? octreedate : matdate;
 					/* do each view */
 	vn = 0;
 	while ((vw = getview(vn++, vs)) != NULL) {
@@ -1048,11 +1124,11 @@ char	*opts;
 			sprintf(vs, "%d", vn);
 		sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
 						/* check date on picture */
-		if (fdate(picfile) > octreedate)
+		if (fdate(picfile) >= lastdate)
 			continue;
 						/* build rpict command */
 		sprintf(rawfile, "%s_%s.raw", vval(PICTURE), vs);
-		if (fdate(rawfile) > octreedate)	/* recover */
+		if (fdate(rawfile) >= octreedate)	/* recover */
 			sprintf(combuf, "rpict%s%s -ro %s %s",
 					rep, opts, rawfile, vval(OCTREE));
 		else {