Index: trunk/Ohana/src/opihi/cmd.data/dot.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/dot.c	(revision 14181)
+++ trunk/Ohana/src/opihi/cmd.data/dot.c	(revision 33963)
@@ -3,9 +3,16 @@
 int dot (int argc, char **argv) {
   
-  int kapa;
+  int kapa, N;
   Graphdata graphmode;
   float x, y;
 
   if (!style_args (&graphmode, &argc, argv, &kapa)) return FALSE;
+
+  /* FracPositions uses coordinates of 0-1 relative to axis range */
+  int FracPositions = FALSE;
+  if ((N = get_argument (argc, argv, "-frac"))) {
+    remove_argument (N, &argc, argv);
+    FracPositions = TRUE;
+  } 
 
   if (argc != 3) {
@@ -15,4 +22,9 @@
   x = atof(argv[1]);
   y = atof(argv[2]);
+
+  if (FracPositions) {
+    x =  x * (graphmode.xmax - graphmode.xmin) + graphmode.xmin;
+    y =  y * (graphmode.ymax - graphmode.ymin) + graphmode.ymin;
+  }    
 
   /* set point style and errorbar mode (these are NOT sticky) */