Changeset 13655 for trunk/psModules/src/camera/pmFPAExtent.c

Timestamp:

Jun 5, 2007, 2:44:10 PM (19 years ago)

Author:

magnier

Message:

if we are missing an image, try to use the header NAXIS1,2 values

File:

• trunk/psModules/src/camera/pmFPAExtent.c (modified) (2 diffs)

trunk/psModules/src/camera/pmFPAExtent.c

@@ -4 +4 @@
 #include "pmHDU.h"
 #include "pmFPA.h"
+#include "pmHDUUtils.h"
 
 // return cell pixels bounding the readout
@@ -18 +19 @@
     }
 
+    int xSize = 0;
+    int ySize = 0;
+
     if (!image) {
-        // Don't have anything to base the true extent on, so have to give the largest possible extent
-        int xSize = psMetadataLookupS32(NULL, readout->parent->concepts, "CELL.XSIZE");
-        int ySize = psMetadataLookupS32(NULL, readout->parent->concepts, "CELL.YSIZE");
+        pmHDU *hdu = pmHDUFromReadout (readout);
+        if (hdu && hdu->header) {
+            xSize = psMetadataLookupS32(NULL, hdu->header, "NAXIS1");
+            ySize = psMetadataLookupS32(NULL, hdu->header, "NAXIS2");
+        } else {
+        // Don't have anything to base the true extent on, so have to give the hardwired value (largest possible extent)
+            xSize = psMetadataLookupS32(NULL, readout->parent->concepts, "CELL.XSIZE");
+            ySize = psMetadataLookupS32(NULL, readout->parent->concepts, "CELL.YSIZE");
+        }
         return psRegionAlloc(0, xSize, 0, ySize);
     }