Changeset 14581 for trunk/psModules/src/imcombine/pmSubtraction.c

Timestamp:

Aug 21, 2007, 8:16:54 AM (19 years ago)

Author:

Paul Price

Message:

Fixing normalisation of SPAM,FRIES kernels --- the start/stop values
are inclusive, so have to add 1 to get the proper range.

File:

• trunk/psModules/src/imcombine/pmSubtraction.c (modified) (3 diffs)

trunk/psModules/src/imcombine/pmSubtraction.c

@@ -4 +4 @@
  *  @author GLG, MHPCC
  *
- *  @version $Revision: 1.42 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2007-08-17 01:50:50 $
+ *  @version $Revision: 1.43 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2007-08-21 18:16:54 $
  *
  *  Copyright 2004-2007 Institute for Astronomy, University of Hawaii
@@ -136 +136 @@
 
               // Normalising sum of kernel component to unity
-              float norm = kernelWeighting(1.0 / (float)((uStop - uStart) * (vStop - vStart)),
+              float norm = kernelWeighting(1.0 / (float)((uStop - uStart + 1) * (vStop - vStart + 1)),
                                            varianceWeighting);
 
@@ -245 +245 @@
               }
           }
-          sum /= (uStop - uStart) * (vStop - vStart); // Normalising sum of kernel component to unity
+          sum /= (uStop - uStart + 1) * (vStop - vStart + 1); // Normalising sum of kernel component to unity
           if (kernels->spatialOrder > 0 && index != kernels->subIndex) {
               // The (0,0) element is subtracted from most kernels to preserve photometric scaling