def get_semantic_map_pixel_per_meter(cls):
        """
        Get how many pixels are used to represent one-meter
        Returns: a constant

        """
        # assert cls.terrain_size <= 2048, "Terrain size should be fixed to 2048"
        return 22 if cls.map_region_size != 4096 else 11

        Get how many pixels are used to represent one-meter
        Returns: a constant

        
metadrive/constants.py