--- ray/src/rt/rv3.c	1989/05/24 13:55:54	1.3
+++ ray/src/rt/rv3.c	1989/06/19 13:30:04	1.6
@@ -68,7 +68,7 @@ newimage()				/* start a new image */
 	freepkids(&ptrunk);
 						/* set up frame */
 	if (ourview.hresolu > dev->xsiz || ourview.vresolu > dev->ysiz)
-		error(USER, "resolution mismatch");
+		newview(&ourview);		/* beware recursive loop! */
 	pframe.l = pframe.d = 0;
 	pframe.r = ourview.hresolu; pframe.u = ourview.vresolu;
 	pdepth = 0;
@@ -247,31 +247,43 @@ register VIEW  *vp;
 {
 	char  *err;
 
-	if (vp->hresolu > dev->xsiz || vp->vresolu > dev->ysiz) {
-		error(COMMAND, "view not set - resolution mismatch");
-	} else if ((err = setview(vp)) != NULL) {
+	if (vp->hresolu > dev->xsiz || vp->vresolu > dev->ysiz)	/* shrink */
+		if (vp->vresolu * dev->xsiz < vp->hresolu * dev->ysiz) {
+			vp->vresolu = dev->xsiz * vp->vresolu / vp->hresolu;
+			vp->hresolu = dev->xsiz;
+		} else {
+			vp->hresolu = dev->ysiz * vp->hresolu / vp->vresolu;
+			vp->vresolu = dev->ysiz;
+		}
+	if ((err = setview(vp)) != NULL) {
 		sprintf(errmsg, "view not set - %s", err);
 		error(COMMAND, errmsg);
 	} else if (bcmp(vp, &ourview, sizeof(VIEW))) {
 		bcopy(&ourview, &oldview, sizeof(VIEW));
 		bcopy(vp, &ourview, sizeof(VIEW));
-		newimage();
+		newimage();		/* newimage() calls with vp=&ourview! */
 	}
 }
 
 
-moveview(angle, mag, vc)			/* move viewpoint */
-double  angle, mag;
+moveview(angle, elev, mag, vc)			/* move viewpoint */
+double  angle, elev, mag;
 FVECT  vc;
 {
 	extern double  sqrt(), dist2();
 	double  d;
+	FVECT  v1;
 	VIEW  nv;
 	register int  i;
 
 	VCOPY(nv.vup, ourview.vup);
 	nv.hresolu = ourview.hresolu; nv.vresolu = ourview.vresolu;
 	spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.));
+	if (elev != 0.0) {
+		fcross(v1, ourview.vup, nv.vdir);
+		normalize(v1);
+		spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.));
+	}
 	if ((nv.type = ourview.type) == VT_PAR) {
 		nv.horiz = ourview.horiz / mag;
 		nv.vert = ourview.vert / mag;