Changeset 3669 for trunk/stac/src/stacSize.c

Timestamp:

Apr 5, 2005, 2:08:16 PM (21 years ago)

Author:

Paul Price

Message:

Remaking shift into a program to shift a single image. It seems to work.

File:

• trunk/stac/src/stacSize.c (modified) (2 diffs)

trunk/stac/src/stacSize.c

@@ -12 +12 @@
     int nImages = images->n;            // Number of input images
     assert(maps->n == nImages);
+    assert(outnx && outny);             // Must be able to write to these
 
     psPlane *inCoord = psAlloc(sizeof(psPlane)); // Input coordinates
@@ -92 +93 @@
 
     // Tweak the maps to account for the offset
-    *xMapDiff = floor(xMin);
-    *yMapDiff = floor(yMin);
+    if (xMapDiff != NULL) {
+        *xMapDiff = floor(xMin);
+    }
+    if (yMapDiff != NULL) {
+        *yMapDiff = floor(yMin);
+    }
     for (int i = 0; i < nImages; i++) {
         psPlaneTransform *map = maps->data[i]; // The map of interest