def getDist(self, pid1, pid2):
pairs = pmi.invoke(self.pmiobject, 'getDist', pid1, pid2)
for i in pairs:
if( i != -1 ):
return i
def getAngle(self, pid1, pid2, pid3, pid4 ):
angles = pmi.invoke(self.pmiobject, 'getAngle', pid1, pid2, pid3, pid4 )
for i in angles:
if( i != -1 ):
return i
