(self)
return self.obj.raw_matrix != None
Checks whether the proper transformation matrix is known.
Checks whether the proper transformation matrix is known.
Checks whether the proper transformation matrix is known .
def matrix_valid(self):
        """Checks whether the proper transformation matrix is known."""
        return self.obj.raw_matrix != None
def matrix_valid ( self ) : return self . obj . raw_matrix != None