Changeset 35348

Timestamp:

Apr 2, 2013, 2:46:50 PM (13 years ago)

Author:

eugene

Message:

fix angle error in Exp,Dev,Sersic models (sxy needed a factor of 2 to be consistent with the definition of Sx, Sy)

File:

• branches/eam_branches/ipp-20130307/psModules/src/objects/pmPSF.c (modified) (2 diffs)

branches/eam_branches/ipp-20130307/psModules/src/objects/pmPSF.c

@@ -350 +350 @@
         shape.sx  = modelPar[PM_PAR_SXX];
         shape.sy  = modelPar[PM_PAR_SYY];
-        shape.sxy = modelPar[PM_PAR_SXY];
+        shape.sxy = modelPar[PM_PAR_SXY] / 2.0;
+        // XXX I *think* dividing by 2.0 is the right direction, but this 
+        // needs to be checked with a real test
     } else {
         shape.sx  = modelPar[PM_PAR_SXX] / M_SQRT2;
@@ -392 +394 @@
         modelPar[PM_PAR_SXX] = shape.sx;
         modelPar[PM_PAR_SYY] = shape.sy;
-        modelPar[PM_PAR_SXY] = shape.sxy;
+        modelPar[PM_PAR_SXY] = shape.sxy; // XXX NEED factor of 2 here for correct angle conversion
     } else {
         modelPar[PM_PAR_SXX] = shape.sx * M_SQRT2;