Changeset 18255 for trunk/ppImage/src/ppImageReplaceBackground.c

Timestamp:

Jun 20, 2008, 7:32:37 PM (18 years ago)

Author:

eugene

Message:

allow model or fixed value for masked-replacement

File:

• trunk/ppImage/src/ppImageReplaceBackground.c (modified) (4 diffs)

trunk/ppImage/src/ppImageReplaceBackground.c

@@ -4 +4 @@
 
 # include "ppImage.h"
+
+enum {MODE_NONE, MODE_MODEL, MODE_VALUE};
 
 // In this function, we perform the psphot analysis routine for the chip-mosaicked images
@@ -19 +21 @@
     }
 
-    // find the model data, if it exists yet (if not, we build it below)
-    pmFPAfile *modelFile = psMetadataLookupPtr(&status, config->files, "PSPHOT.BACKMDL");
+    // select the appropriate recipe information
+    psMetadata *ppImageRecipe  = psMetadataLookupPtr (&status, config->recipes, "PPIMAGE");
 
-    // select the appropriate recipe information
-    psMetadata *recipe  = psMetadataLookupPtr (&status, config->recipes, PSPHOT_RECIPE);
+    // select the appropriate recipe information (needed by psphotModelBackground)
+    psMetadata *psphotRecipe  = psMetadataLookupPtr (&status, config->recipes, PSPHOT_RECIPE);
+
+    char *replaceSkyModeWord = psMetadataLookupStr (&status, ppImageRecipe, "REPLACE.MODE");
+    float replaceSkyValue = 0.0;
+
+    int replaceSkyMode = MODE_NONE;
+    if (!strcasecmp (replaceSkyModeWord, "MODEL")) {
+        replaceSkyMode = MODE_MODEL;
+    }
+    if (!strcasecmp (replaceSkyModeWord, "VALUE")) {
+        replaceSkyMode = MODE_VALUE;
+        replaceSkyValue = psMetadataLookupF32 (&status, ppImageRecipe, "REPLACE.VALUE");
+    }
+    psAssert (replaceSkyMode != MODE_NONE, "replace sky mode not defined");
 
     // define the mask value to be used in ppImage
     psMaskType maskVal  = options->satMask | options->badMask | options->flatMask | options->blankMask;
 
-    // user-defined masks to test for good/bad pixels (build from recipe list if not yet set)
-    psMetadataAddU8 (recipe, PS_LIST_TAIL, "MASK.PSPHOT", PS_META_REPLACE, "user-defined mask", maskVal);
+    pmFPAfile *modelFile = NULL;
+    if (replaceSkyMode == MODE_MODEL) {
+        // find the model data, if it exists yet (if not, we build it below)
+        modelFile = psMetadataLookupPtr(&status, config->files, "PSPHOT.BACKMDL");
 
-    float meanValue = psMetadataLookupF32 (&status, recipe, "SKY_MEAN");
-    bool replaceSkyMean = psMetadataLookupBool (&status, recipe, "REPLACE.SKY_MEAN");
+        // user-defined masks to test for good/bad pixels (build from recipe list if not yet set)
+        psMetadataAddU8 (psphotRecipe, PS_LIST_TAIL, "MASK.PSPHOT", PS_META_REPLACE, "user-defined mask", maskVal);
+    }
 
     // iterate over the cells and readout for this chip
@@ -45 +63 @@
 
             // replace masked pixels with values from model (unbinning not needed)
-
-            // we are using this pmFPAfile as an I/O file: select readout or create
             pmReadout *modelReadout = NULL;
-            if (modelFile) {
-                modelReadout = pmFPAviewThisReadout (view, modelFile->fpa);
+            psImageBinning *binning = NULL;
+            psImage *model = NULL;
+            if (replaceSkyMode == MODE_MODEL) {
+                // we are using this pmFPAfile as an I/O file: select readout or create
+                if (modelFile) {
+                    modelReadout = pmFPAviewThisReadout (view, modelFile->fpa);
+                }
+                if (!modelReadout) {
+                    psphotModelBackground (config, view, "PPIMAGE.CHIP");
+                    modelFile = psMetadataLookupPtr(&status, config->files, "PSPHOT.BACKMDL");
+                    assert (modelFile);
+                    if (modelFile->mode == PM_FPA_MODE_INTERNAL) {
+                        modelReadout = modelFile->readout;
+                    } else {
+                        modelReadout = pmFPAviewThisReadout (view, modelFile->fpa);
+                    }
+                    assert (modelReadout);
+                }
+                binning = psMetadataLookupPtr(&status, psphotRecipe, "PSPHOT.BACKGROUND.BINNING");
+                model = modelReadout->image;
             }
-            if (!modelReadout) {
-                psphotModelBackground (config, view, "PPIMAGE.CHIP");
-                modelFile = psMetadataLookupPtr(&status, config->files, "PSPHOT.BACKMDL");
-                assert (modelFile);
-                if (modelFile->mode == PM_FPA_MODE_INTERNAL) {
-                  modelReadout = modelFile->readout;
-                } else {
-                  modelReadout = pmFPAviewThisReadout (view, modelFile->fpa);
-                }
-                assert (modelReadout);
-            }
-
-            psImageBinning *binning = psMetadataLookupPtr(&status, recipe, "PSPHOT.BACKGROUND.BINNING");
 
             psImage *mask = readout->mask;
             psImage *image = readout->image;
-            psImage *model = modelReadout->image;
 
             for (int iy = 0; iy < image->numRows; iy++) {
                 for (int ix = 0; ix < image->numCols; ix++) {
                     if (!(mask->data.U8[iy][ix] && maskVal)) continue;
-                    if (replaceSkyMean) {
-                        image->data.F32[iy][ix] = meanValue;
+                    if (replaceSkyMode == MODE_MODEL) {
+                        image->data.F32[iy][ix] = psImageUnbinPixel_V2(ix, iy, model, binning);
                     } else {
-                        image->data.F32[iy][ix] = psImageUnbinPixel_V2(ix, iy, model, binning);
+                        image->data.F32[iy][ix] = replaceSkyValue;
                     }
                 }
@@ -81 +101 @@
         }
     }
-    pmFPAfileDropInternal (config->files, "PSPHOT.BACKMDL");
-    pmFPAfileDropInternal (config->files, "PSPHOT.BACKMDL.STDEV");
+
+    if (replaceSkyMode == MODE_MODEL) {
+        pmFPAfileDropInternal (config->files, "PSPHOT.BACKMDL");
+        pmFPAfileDropInternal (config->files, "PSPHOT.BACKMDL.STDEV");
+    }
+
     return true;
 }