data_structures.py 文件源码

def get_global_startindex(self):
        """
        Return the integer starting index for each dimension at the current
        level.

        """
        if self.start_index is not None:
            return self.start_index
        if self.Parent is None:
            iLE = self.LeftEdge - self.ds.domain_left_edge
            start_index = iLE / self.dds
            return np.rint(start_index).astype('int64').ravel()
        pdx = self.Parent[0].dds
        start_index = (self.Parent[0].get_global_startindex()) + \
            np.rint((self.LeftEdge - self.Parent[0].LeftEdge)/pdx)
        self.start_index = (start_index*self.ds.refine_by).astype('int64').ravel()
        return self.start_index