direct_piv.py 文件源码

def _grid_creator(self):
        """Creates a grid according to the GridSpec."""
        shape_fa    = self.grid_spec.get_interogation_grid_shape()
        shape_fb    = self.grid_spec.get_search_grid_shape()
        strides_fa  = self.grid_spec.get_interogation_grid_strides()
        strides_fb  = self.grid_spec.get_search_grid_strides()
        self.grid_a = as_strided(self.frame_a, strides=strides_fa, shape=shape_fa)
        self.grid_b = as_strided(self._padded_fb, strides=strides_fb, shape=shape_fb)