Changeset 20778 for trunk/magic/remove/src/warpedpixels.c

Timestamp:

Nov 17, 2008, 2:40:35 PM (17 years ago)

Author:

bills

Message:

be ready for skycells not being available and completely exicse file
in that case.

File:

• trunk/magic/remove/src/warpedpixels.c (modified) (3 diffs)

trunk/magic/remove/src/warpedpixels.c

@@ -9 +9 @@
 static int xRight(psPlane *pt, int y);
 
-void
+bool
 computeWarpedPixels(streakFiles *sf)
 {
+    bool status;
     pmConfig    *config = sf->config;
+
+    psArray *skycells = psMetadataLookupPtr(&status, config->arguments, "SKYCELLS");
+    if (skycells == NULL) {
+        return false;
+    }
+
+    int n = psArrayLength(skycells);
+
     psRegion     bounds = *pmChipPixels(sf->chip);
     
@@ -20 +29 @@
     sf->warpedPixels = psImageAlloc(width, height, PS_TYPE_U8);
     psImageInit(sf->warpedPixels, 0);
-
-    bool status;
-    psArray *skycells = psMetadataLookupPtr(&status, config->arguments, "SKYCELLS");
-
-    int n = psArrayLength(skycells);
 
     for (int i=0; i<n; i++) {
@@ -43 +47 @@
         psFitsClose(fits);
     }
+    return true;
 }