Index: trunk/Ohana/src/opihi/lib.data/graphtools.c
===================================================================
--- trunk/Ohana/src/opihi/lib.data/graphtools.c	(revision 5850)
+++ trunk/Ohana/src/opihi/lib.data/graphtools.c	(revision 7680)
@@ -40,2 +40,42 @@
   set_variable ("YMAX", graphmode[0].ymax);
 }
+
+void SetLimitsRaw (float *xvec, float *yvec, int Nelements, Graphdata *graphmode) {
+
+  double maxX, minX, maxY, minY, range;
+  int i;
+
+  if (xvec != NULL) {
+    maxX = minX = xvec[0];
+    for (i = 1; i < Nelements; i++) {
+      if (!finite(xvec[i])) continue;
+      maxX = MAX (maxX, xvec[i]);
+      minX = MIN (minX, xvec[i]);
+    }
+    range = maxX - minX;
+    if (range == 0) range = 0.001 * maxX;
+    if (range == 0) range = 0.001;
+    graphmode[0].xmin = minX - 0.05*range;
+    graphmode[0].xmax = maxX + 0.05*range;
+  }
+
+  if (yvec != NULL) {
+    maxY = minY = yvec[0];
+    for (i = 1; i < Nelements; i++) {
+      if (!finite(yvec[i])) continue;
+      maxY = MAX (maxY, yvec[i]);
+      minY = MIN (minY, yvec[i]);
+    }
+    range = maxY - minY;
+    if (range == 0) range = 0.0011 * maxY;
+    if (range == 0) range = 0.0011;
+    graphmode[0].ymin = minY - 0.05*range;
+    graphmode[0].ymax = maxY + 0.05*range;
+  }
+  SetGraph (graphmode[0]);
+
+  set_variable ("XMIN", graphmode[0].xmin);
+  set_variable ("XMAX", graphmode[0].xmax);
+  set_variable ("YMIN", graphmode[0].ymin);
+  set_variable ("YMAX", graphmode[0].ymax);
+}