Index: trunk/Mars/hawc/callisto.C
===================================================================
--- trunk/Mars/hawc/callisto.C	(revision 19818)
+++ trunk/Mars/hawc/callisto.C	(revision 19819)
@@ -49,6 +49,7 @@
     //        but the value-vs-index plot is in software/spiral indices
     // false: Display pixels in hardware/linear indices,
-    //        but the order is the camera display is distorted
-    bool usemap = false;//drstime ? true : false;
+    //        but the order is the camera display is distorted.
+    //        false is assumed automatically for files with the ISMC flag set.
+    bool usemap = true;
 
     // mapping file (found in Mars/hawc)
