Changeset 755 for trunk/GSASIIphsGUI.py

Timestamp:

Sep 8, 2012 10:14:53 AM (11 years ago)

Author:

vondreele

Message:

fix rotation about view direction
eliminate divide by zero error in quaternion stuff

File:

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

trunk/GSASIIphsGUI.py

@@ -1564 +1564 @@
             'vdwScale':0.67,'ellipseProb':50,'sizeH':0.50,'unitCellBox':False,
             'showABC':True,'selectedAtoms':[],'Atoms':[],'oldxy':[],
-            'Quaternion':[0.0,0.0,1.0,0.0],'bondList':{},'viewDir':[0,0,1]}
+            'Quaternion':[1.0,0.0,0.0,0.0],'bondList':{},'viewDir':[0,0,1]}
         try:
             drawingData = data['Drawing']
@@ -1577 +1577 @@
             drawingData['viewDir'] = [0,0,1]
         if 'Quaternion' not in drawingData:
-            drawingData['Quaternion'] = [0.0,0.0,1.0,0.0]
+            drawingData['Quaternion'] = [1.0,0.0,0.0,0.0]
         cx,ct,cs,ci = [0,0,0,0]
         if generalData['Type'] == 'nuclear':