Index: trunk/psLib/src/imageops/psImageConvolve.h
===================================================================
--- trunk/psLib/src/imageops/psImageConvolve.h	(revision 4540)
+++ trunk/psLib/src/imageops/psImageConvolve.h	(revision 4815)
@@ -7,6 +7,6 @@
  *  @author Robert DeSonia, MHPCC
  *
- *  @version $Revision: 1.9 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2005-07-12 19:12:01 $
+ *  @version $Revision: 1.10 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2005-08-18 21:44:40 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -126,3 +126,15 @@
 );
 
+/** Smooths an image by parts using 1D Gaussian independently in x and y.
+ *
+ *  Applies a circularly symmetric Gaussian smoothing first in x and then in y
+ *  directions with just a vector.  This process is 2N faster than 2D convolutions (in general).
+ */
+void psImageSmooth(
+    psImage *image,                    ///< the image to be smoothed
+    float sigma,                       ///< the width of the smoothing kernel in pixels
+    float Nsigma                       ///< the size of the smoothing box in sigmas
+);
+
+
 #endif // #ifndef PS_IMAGE_CONVOLVE_H
