Index: trunk/Ohana/src/kapa2/include/structures.h
===================================================================
--- trunk/Ohana/src/kapa2/include/structures.h	(revision 29938)
+++ trunk/Ohana/src/kapa2/include/structures.h	(revision 32695)
@@ -26,6 +26,8 @@
   XFontStruct   *font;
   Cursor         cursor;
-  int            x,  y;
-  unsigned int   dx, dy;
+  int            x,  y;	      // corner coord in X world coords
+  unsigned int   dx, dy;      // size of window in X coords
+  int            xwin, ywin;  // corner coord of display subregion (eg, png, ps plot)
+  int            dxwin, dywin; // corner coord of display subregion (eg, png, ps plot)
   CCNode        *cube;
   XColor        *cmap;