Changeset 13569

Timestamp:

May 31, 2007, 2:47:33 AM (19 years ago)

Author:

rhl

Message:

If PSF reconstruction fails, try the centre of the image

File:

• trunk/psphot/src/psphotGuessModels.c (modified) (1 diff)

trunk/psphot/src/psphotGuessModels.c

@@ -56 +56 @@
     // set PSF parameters for this model (apply 2D shape model)
     pmModel *modelPSF = pmModelFromPSF (modelEXT, psf);
+    if (modelPSF == NULL) {
+        psError(PSPHOT_ERR_PSF, false,
+                "Failed to determine PSF model at r,c = (%d,%d); trying centre of image",
+                source->peak->y, source->peak->x);
+        //
+        // Try the centre of the image
+        //
+        modelEXT->params->data.F32[PM_PAR_XPOS] = 0.5*readout->image->numCols;
+        modelEXT->params->data.F32[PM_PAR_YPOS] = 0.5*readout->image->numRows;
+        modelPSF = pmModelFromPSF (modelEXT, psf);
+        if (modelPSF == NULL) {
+            psError(PSPHOT_ERR_PSF, false,
+                    "Failed to determine PSF model at centre of image");
+            psFree(modelEXT);
+            return false;
+        }
+
+        source->mode |= PM_SOURCE_MODE_BADPSF;
+    }
     psFree (modelEXT);