Index: trunk/psModules/src/objects/pmPeaks.c
===================================================================
--- trunk/psModules/src/objects/pmPeaks.c	(revision 18971)
+++ trunk/psModules/src/objects/pmPeaks.c	(revision 19903)
@@ -6,6 +6,6 @@
  *  @author EAM, IfA: significant modifications.
  *
- *  @version $Revision: 1.22 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2008-08-08 19:41:56 $
+ *  @version $Revision: 1.23 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2008-10-06 12:59:49 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -57,14 +57,15 @@
 
     // if min point is too deviant, use the peak value
+    // XXX need to calculate dx, dy correctly
     if ((fabs(min.x) < 1.5) && (fabs(min.y) < 1.5)) {
         peak->xf = min.x + ix + image->col0;
         peak->yf = min.y + iy + image->row0;
-	peak->dx = 0.0;
-	peak->dy = 0.0;
+	peak->dx = NAN;
+	peak->dy = NAN;
     } else {
         peak->xf = ix;
         peak->yf = iy;
-	peak->dx = 1.0;
-	peak->dy = 1.0;
+	peak->dx = NAN;
+	peak->dy = NAN;
     }