def __add__(self, other):
"""(+).
Function to unite an object or shift the present object
"""
if type(other) == types.ListType: # shift the new object
shift = other
new_obj = mesh_objects.mesh_obj(self.dim) # create new object
new_obj.obj = self.obj # copy present object in the new one
new_obj.shift(shifting=shift) # update new object
return new_obj
elif type(other.obj) == type(self.obj): # unite the new object to the present one
other_obj = other
new_obj = mesh_objects.mesh_obj(self.dim) # create new object
new_obj.obj = self.obj # copy present object in the new one
new_obj.unite(other_obj) # update new object
return new_obj
else:
raise TypeError, "Cannot handle object type"
def __sub__(self, obj):
""" (-).
Function to take the difference between two objects
"""
try:
if type(obj.obj) == type(self.obj):
other_obj = obj
except:
raise TypeError("Type mismatch for object difference")
new_obj = mesh_objects.mesh_obj(self.dim) # create new object
new_obj.obj = self.obj # update new object
new_obj.difference(other_obj)
return new_obj