++ $(CC) $(CFLAGS) -o radview $(RVOBJS) $(LIBS) $(DLIBS)
+
+ lookamb: lookamb.o ambio.o
+ $(CC) $(CFLAGS) -o lookamb lookamb.o ambio.o $(LIBS)
+diff -Nur ray.orig/src/util/rad.c ray/src/util/rad.c
+--- ray.orig/src/util/rad.c Tue Feb 2 17:57:57 1999
++++ ray/src/util/rad.c Wed Aug 21 22:46:41 2002
+@@ -1068,14 +1068,14 @@
+ return;
+ if (sayview)
+ printview(vw);
+- sprintf(combuf, "rview %s%s%s -R %s ", vw, po, opts, rifname);
++ sprintf(combuf, "radview %s%s%s -R %s ", vw, po, opts, rifname);
+ if (rvdevice != NULL)
+ sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
+ if (vdef(EXPOSURE))
+ sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
+ strcat(combuf, oct1name);
+ if (runcom(combuf)) { /* run it */
+- fprintf(stderr, "%s: error running rview\n", progname);
++ fprintf(stderr, "%s: error running radview\n", progname);
+ quit(1);
+ }
+ }
+diff -Nur ray.orig/src/util/trad.hlp ray/src/util/trad.hlp
+--- ray.orig/src/util/trad.hlp Tue Oct 20 20:52:16 1998
++++ ray/src/util/trad.hlp Wed Aug 21 22:47:57 2002
+@@ -487,7 +487,7 @@
+
+ There are two basic ways to compute the exposure value.
+ The first is by trial and error, where the value is adjusted up and
+-down within rview using the "e = value" command.
++down within radview using the "e = value" command.
+ Though it sounds flaky, this is the most reliable way to set the
+ exposure (and ambient level) in general lighting situations.
+
+@@ -545,7 +545,7 @@
+ To remove an unwanted view, select it and press the "Delete" button.
+ To undo this action, simply press the "Add" button again.
+
+-The first view in the list is the default given to rview during
++The first view in the list is the default given to radview during
+ interactive rendering, and is the first view rendered in a batch run.
+ To change the default view, select the newly desired view and press
+ the "Set Default" button.
+@@ -614,7 +614,7 @@
+ define a view.
+
+ The simplest view specification is of the form "-vf viewfile", where
+-"viewfile" is a file created with the rview "view" command, or a
++"viewfile" is a file created with the radview "view" command, or a
+ Radiance picture.
+ This method of naming views, although convenient, is not the best
+ since it is difficult to know exactly where such a view is by
+@@ -702,7 +702,7 @@
+ The "Set Default" button may be used to make the selected view the
+ default view for rendering.
+ This simply moves the view to the top of the list in the rad input file.
+-The default view will be the one normally rendered by rview when rad
++The default view will be the one normally rendered by radview when rad
+ is started interactively, and is the first view rendered in a batch
+ process.
+
+@@ -838,7 +838,7 @@
+ minutes) between progress reports.
+
+ Other windows allow the user to customize the options to oconv(1),
+-mkillum(1), rview(1) and rpict(1), and pfilt(1).
++mkillum(1), radview(1) and rpict(1), and pfilt(1).
+
+ .Options.Quality
+
+@@ -916,7 +916,7 @@
+
+ The "Optfile" setting assigns a file to hold rendering options,
+ which may be a convenience when these options are reused for
+-rtrace(1) or rpiece(1), or manual invocations of rview or rpict.
++rtrace(1) or rpiece(1), or manual invocations of radview or rpict.
+ Using an options file also reduces the size of the command line,
+ making it a little easier on the eye.
+
+@@ -977,7 +977,7 @@
+ .Options.Render
+
+ The "render opts" window is used to specify additional options to
+-the rview(1) and rpict(1) rendering programs.
++the radview(1) and rpict(1) rendering programs.
+ Most of the important parameters are computed by rad, so this
+ window is usually used to override specific parameters or to give
+ additional information, such as which materials to exclude from the
+@@ -1026,7 +1026,7 @@
+ run, usually via rad(1).
+ The top row of buttons is used to update the octree following a
+ change to one or more input files.
+-The "rview" button starts an interactive rendering in the
++The "radview" button starts an interactive rendering in the
+ foreground.
+ The next set of buttons provides for the control of a batch
+ rendering process, taking place in the background.
+@@ -1109,7 +1109,7 @@
+ The "rview" button on the Action screen starts an interactive
+ rendering for the selected view, indicated by the menu button
+ just to the right.
+-Other views may be accessed within rview using the "L name"
++Other views may be accessed within radview using the "L name"
+ command, and new views can be added with the "V name"
+ command.
+
+@@ -1119,7 +1119,7 @@
+ a number later), then use the Views screen to override the previous
+ view definition with the new one.
+ (See the "View" topic in the current
+-help category, the "Change" topic under "Views" and the rview(1)
++help category, the "Change" topic under "Views" and the radview(1)
+ manual page for more information.)
+
+ If the octree is out-of-date, it will be rebuilt before rendering
+@@ -1129,7 +1129,7 @@
+
+ The Action screen contains two menus for selecting views.
+ The top menu, next to the "rview" button, sets the view to start
+-with in rview, and is selected from the current view list.
++with in radview, and is selected from the current view list.
+ The second view menu, next to the "Start" button for batch
+ rendering, selects the view or views to render in batch mode.
+ If the special entry "ALL" is selected, then every view in the
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