Changeset 29003 for trunk/ppSub/src/ppSubReadoutSubtract.c

Timestamp:

Aug 20, 2010, 12:12:38 PM (16 years ago)

Author:

eugene

Message:

ensure masked pixels are NAN in output; flag detections with bright pos image neighbors

File:

• trunk/ppSub/src/ppSubReadoutSubtract.c (modified) (1 diff)

trunk/ppSub/src/ppSubReadoutSubtract.c

@@ -51 +51 @@
     outRO->variance = (psImage*)psBinaryOp(outRO->variance, minuend->variance, "+", subtrahend->variance);
 
+    // NAN the masked pixels in the diff image (pixels masked in A are not yet NAN'ed in B)
+    psImageMaskType maskVal = pmConfigMaskGet("MASK.VALUE", config) | pmConfigMaskGet("BLANK", config); // Bits to mask in inputs
+    for (int iy = 0; iy < outRO->image->numRows; iy++) {
+        for (int ix = 0; ix < outRO->image->numCols; ix++) {
+            if ((outRO->mask->data.PS_TYPE_IMAGE_MASK_DATA[iy][ix] & maskVal) == 0) continue;
+            outRO->image->data.F32[iy][ix] = NAN;
+        }
+    }
+
     // Measure the variance scales
     psStats *varStats = psStatsAlloc(PS_STAT_ROBUST_MEDIAN); // Statistics for variance images
     psRandom *rng = psRandomAlloc(PS_RANDOM_TAUS);           // Random number generator
-    psImageMaskType maskVal = pmConfigMaskGet("MASK.VALUE", config) |
-        pmConfigMaskGet("BLANK", config); // Bits to mask in inputs
     psImageBackground(varStats, NULL, minuend->variance, minuend->mask, maskVal, rng);
     float minuendVar = varStats->robustMedian; // Mean variance for minuend