@property<EOL><INDENT>def regular_to_pix(self):<DEDENT>
return mapper_util.voronoi_regular_to_pix_from_grids_and_geometry(regular_grid=self.grid_stack.regular,<EOL>regular_to_nearest_pix=self.grid_stack.pix.regular_to_nearest_pix,<EOL>pixel_centres=self.geometry.pixel_centres, pixel_neighbors=self.geometry.pixel_neighbors,<EOL>pixel_neighbors_size=self.geometry.pixel_neighbors_size).astype('<STR_LIT:int>')<EOL>
The 1D index mappings between the regular pixels and Voronoi pixelization pixels.