--- ray/doc/ray.html	2025/07/22 19:43:59	1.43
+++ ray/doc/ray.html	2025/07/22 20:38:43	1.44
@@ -1,5 +1,5 @@
 <html>
-<!-- RCSid $Id: ray.html,v 1.43 2025/07/22 19:43:59 greg Exp $ -->
+<!-- RCSid $Id: ray.html,v 1.44 2025/07/22 20:38:43 greg Exp $ -->
 <head>
 <title>
 The RADIANCE 6.0 Synthetic Imaging System
@@ -75,9 +75,7 @@ in  graphic  arts,  lighting  design, 
 computer-aided engineering and architecture.
 
 <p>
-<img SRC="diagram1.gif">
-<p>
-Figure 1
+<img SRC="diagram1.png">
 <p>
 The diagram in Figure 1 shows the flow between programs (boxes)  and  data  
 (ovals).   
