Changeset 1839 for trunk/GSASIImath.py

Timestamp:

May 6, 2015 4:42:51 PM (8 years ago)

Author:

vondreele

Message:

provide graphical display for texture fit, change weighting scheme & suppress negatives

File:

• trunk/GSASIImath.py (modified) (2 diffs)

trunk/GSASIImath.py

@@ -1656 +1656 @@
         for hist in Gangls.keys():
             Refs = refData[hist]
-            wt = 1.0    #   np.sqrt(np.abs(Refs[:,5]))?
+            Refs[:,5] = np.where(Refs[:,5]>0.,Refs[:,5],0.)
+            wt = 1./np.sqrt(np.max(Refs[:,5],.25))
             sumObs += np.sum(Refs[:,5])
             Refs[:,6] = 1.
@@ -1684 +1685 @@
             Refs = refData[hist]
             H = Refs[:,:3]
-            wt = 1.0    #   np.sqrt(np.abs(Refs[:,5]))?
+            wt = 1./np.sqrt(np.max(Refs[:,5],.25))
             phi,beta = G2lat.CrsAng(H,cell,SGData)
             psi,gam,dPdA,dGdA = G2lat.SamAng(Refs[:,3]/2.,Gangls[hist],Sangls,False) #assume not Bragg-Brentano!