Changeset 34142

Timestamp:

Jul 13, 2012, 6:30:15 AM (14 years ago)

Author:

eugene

Message:

get the seeing sigma right for trails

Location:

branches/eam_branches/ipp-20120627/ppSim/src

Files:

• ppSimArguments.c (modified) (1 diff)
• ppSimMakeGalaxies.c (modified) (1 diff)

branches/eam_branches/ipp-20120627/ppSim/src/ppSimArguments.c

@@ -225 +225 @@
         ppSimArgToRecipeStr(&status, options, "GALAXY.MODEL", arguments, "-galmodel"); // Galaxy model name
 
-        // the user supplies FWHM in arcsec; here we convert to Sigma in pixels
+        // the user supplies FWHM in arcsec; we convert to Sigma in pixels (in ppSimCreate.c:103)
         psMetadataAddF32(options, PS_LIST_TAIL, "SEEING", 0, "Seeing FWHM (arcsec)", seeing);
         psMetadataAddF32(options, PS_LIST_TAIL, "RA", 0, "Boresight RA (radians)", ra0 * M_PI / 180.0);

branches/eam_branches/ipp-20120627/ppSim/src/ppSimMakeGalaxies.c

@@ -237 +237 @@
         // galaxy->Rmaj -> PM_PAR_LENGTH
         // seeing -> PM_PAR_SIGMA
-        galaxy->Rmin = seeing / 2.35; // Rmin is used for sigma
+        galaxy->Rmin = seeing; // Rmin is used for sigma
         galaxy->peak = galaxy->flux / (galaxy->Rmaj * galaxy->Rmin * 2.0 * sqrt(2.0 * M_PI));
         return true;