Changeset 42087 for trunk/psphot/src/psphotModelTestReadout.c

Timestamp:

Feb 28, 2022, 2:36:39 PM (4 years ago)

Author:

eugene

Message:

especially in very high-dynamic range stack images, the peak pixels can drive the PSF fit too much: add an option for iterative reweighting of the pixel values during the non-linear fit

File:

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

trunk/psphot/src/psphotModelTestReadout.c

@@ -222 +222 @@
     fitOptions->chisqConvergence = chisqConvergence;
 
+    bool useReweighting = psMetadataLookupBool (&status, recipe, "LMM_FIT_USE_REWEIGHTING"); // Fit tolerance
+    if (!status) useReweighting = true;
+    fitOptions->useReweighting = useReweighting;
+
     int gainFactorMode = psMetadataLookupS32 (&status, recipe, "LMM_FIT_GAIN_FACTOR_MODE"); // Fit tolerance
     if (!status) gainFactorMode = 0;