def satisfiedBy(self, example):
try:
a = lookup(self.descriptionA, example).center
b = lookup(self.descriptionB, example).center
c = lookup(self.descriptionC, example).center
d = lookup(self.descriptionD, example).center
except DescriptionException:
return False
except AttributeError:
return False
t = torsion(a, b, c, d)
#print a, b, c, d
#print self.center -self.range, t, self.center + self.range
satisfied = self.center - self.range < t < self.center + self.range
if self.negated:
satisfied = not satisfied
if satisfied:
example.__dict__[self.name] = t
return satisfied # ho ho
else:
return False
def measure(self, structure):
try:
a = lookup(self.descriptionA, structure).center
b = lookup(self.descriptionB, structure).center
c = lookup(self.descriptionC, structure).center
d = lookup(self.descriptionD, structure).center
return torsion(a, b, c, d)
except AttributeError:
print "TORSION MEASURE FALIURE :", self.descriptionA, self.descriptionB, self.descriptionC, self.descriptionD
return 0.0
