Changeset 26788 for branches/eam_branches/20091201/psphot/src/psphotGuessModels.c

Timestamp:

Feb 5, 2010, 1:38:43 PM (16 years ago)

Author:

eugene

Message:

updates to psphot APIs to enable stack photometry

Location:

branches/eam_branches/20091201/psphot

Files:

• . (modified) (1 prop)
• src/psphotGuessModels.c (modified) (2 diffs)

branches/eam_branches/20091201/psphot/src/psphotGuessModels.c

@@ -7 +7 @@
 // 3) define the threaded function to work with sources for a given cell
 
-// construct an initial PSF model for each object
-bool psphotGuessModels (pmConfig *config, pmReadout *readout, psArray *sources, pmPSF *psf) {
+// for now, let's store the detections on the readout->analysis for each readout
+bool psphotGuessModels (pmConfig *config, const pmFPAview *view)
+{
+    bool status = true;
+
+    int num = psMetadataLookupS32 (&status, config->arguments, "PSPHOT.INPUT.NUM");
+    psAssert (status, "programming error: must define PSPHOT.INPUT.NUM");
+
+    // loop over the available readouts
+    for (int i = 0; i < num; i++) {
+        if (!psphotGuessModelsReadout (config, view, "PSPHOT.INPUT", i)) {
+            psError (PSPHOT_ERR_CONFIG, false, "failed on to guess models for PSPHOT.INPUT entry %d", i);
+            return false;
+        }
+    }
+    return true;
+}
+
+// construct an initial PSF model for each object (new sources only)
+bool psphotGuessModelsReadout (pmConfig *config, const pmFPAview *view, const char *filename, int index) {
 
     bool status;
 
     psTimerStart ("psphot.models");
+
+    // find the currently selected readout
+    pmFPAfile *file = pmFPAfileSelectSingle(config->files, filename, index); // File of interest
+    psAssert (file, "missing file?");
+
+    pmReadout *readout = pmFPAviewThisReadout(view, file->fpa);
+    psAssert (readout, "missing readout?");
+
+    pmDetections *detections = psMetadataLookupPtr (&status, readout->analysis, "PSPHOT.DETECTIONS");
+    psAssert (detections, "missing detections?");
+
+    psArray *sources = detections->newSources;
+    psAssert (sources, "missing sources?");
+
+    if (!sources->n) {
+        psLogMsg ("psphot", PS_LOG_INFO, "no sources, skipping model guess");
+        return true;
+    }
+
+    pmPSF *psf = psMetadataLookupPtr (&status, readout->analysis, "PSPHOT.PSF");
+    psAssert (sources, "missing psf?");
 
     // select the appropriate recipe information
@@ -36 +75 @@
 
     // setup the PSF fit radius details
-    psphotInitRadiusPSF (recipe, psf->type);
+    psphotInitRadiusPSF (recipe, readout->analysis, psf->type);
 
     // choose Cx, Cy (see psphotThreadTools.c for overview of the concepts)