Index: trunk/psLib/src/imageops/psImageStats.h
===================================================================
--- trunk/psLib/src/imageops/psImageStats.h	(revision 5089)
+++ trunk/psLib/src/imageops/psImageStats.h	(revision 5137)
@@ -9,6 +9,6 @@
 *  @author GLG, MHPCC
 *
-*  @version $Revision: 1.26 $ $Name: not supported by cvs2svn $
-*  @date $Date: 2005-09-22 02:32:00 $
+*  @version $Revision: 1.27 $ $Name: not supported by cvs2svn $
+*  @date $Date: 2005-09-26 22:35:53 $
 *
 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -85,7 +85,15 @@
 );
 
+/** Returns the number of pixels in the image region which satisfy any of the mask bits.
+ *
+ *  An error (eg, invalid image, invalid region) results in a return value of -1.
+ *  The vector must be U8.
+ *
+ *  @return long:       the number of pixels counted
+ */
 long psImageCountPixelMask(
-    psImage *mask,
-    psMaskType value
+    psImage *mask,                     ///< input image to count
+    psRegion region,                   ///< input region of image
+    psMaskType value                   ///< the mask value to satisfy
 );