Changeset 13754 for trunk/psModules/src/detrend/pmBias.c

Timestamp:

Jun 11, 2007, 11:11:33 AM (19 years ago)

Author:

magnier

Message:

fixed overscan / image offsets

File:

• trunk/psModules/src/detrend/pmBias.c (modified) (1 diff)

trunk/psModules/src/detrend/pmBias.c

@@ -298 +298 @@
                 psImage *overscan = NULL; // Overscan image from iterator
                 while ((overscan = psListGetAndIncrement(iter))) {
-                    int diff = image->row0 - overscan->row0; // Offset between the two regions
+                    // the overscan and image may not be aligned.  pixels->data represents the 
+                    // image row pixels.  
+                    int diff = overscan->row0 - image->row0; // Offset between the two regions
                     for (int i = PS_MAX(0,diff); i < PS_MIN(image->numRows, overscan->numRows + diff); i++) {
-                        // i is row on overscan
+                        int j = i - diff;
+                        // i is row on image
+                        // j is row on overscan
                         psVector *values = pixels->data[i];
                         int index = values->n; // Index in the vector
                         values = psVectorRealloc(values, values->n + overscan->numCols);
                         values->n += overscan->numCols;
-                        memcpy(&values->data.F32[index], overscan->data.F32[i],
+                        memcpy(&values->data.F32[index], overscan->data.F32[j],
                                overscan->numCols * PSELEMTYPE_SIZEOF(PS_TYPE_F32));
                         index += overscan->numCols;