def transform( self, new_csys=None ):
        if self.rcobj == None:
            return self.array
        else:
            if self.rcobj.rebuilt:
                return self.rcobj.transform( self.array, new_csys )
            else:
                print 'The transformation can not be done.'
                print 'The grid rcobj (coordsys) was not rebuilt...'
                raise
This function checks for an existing reference coordinate system and it
dataset/ETHPy150Open saullocastro/mapy/mapy/model/grids.py/Grid.transform