Index: trunk/Ohana/src/kapa2/src/DrawObjects.c
===================================================================
--- trunk/Ohana/src/kapa2/src/DrawObjects.c	(revision 27486)
+++ trunk/Ohana/src/kapa2/src/DrawObjects.c	(revision 27491)
@@ -244,4 +244,5 @@
   
   /* continue with rest of points */
+  sxo = syo = 0;
   for (i++; i < object[0].Npts; i++) {
     if (!(finite(x[i]) && finite(y[i]))) continue;
Index: trunk/Ohana/src/kapa2/src/InterpretPresses.c
===================================================================
--- trunk/Ohana/src/kapa2/src/InterpretPresses.c	(revision 27486)
+++ trunk/Ohana/src/kapa2/src/InterpretPresses.c	(revision 27491)
@@ -24,4 +24,5 @@
 
     sprintf (name, "Button%d", event[0].button);
+    Z = 0;
     if (graph) {
       X = (event[0].x - graph[0].axis[0].fx)*(graph[0].axis[0].max - graph[0].axis[0].min)/graph[0].axis[0].dfx + graph[0].axis[0].min;