| Parameter | Description | 
 | gridmap_image_cx | When using gridmap_image_file, the X pixel where the (0,0) origin is at. | 
 | gridmap_image_cy | When using gridmap_image_file, the Y pixel where the (0,0) origin is at. | 
 | gridmap_image_file | An image to load a gridmap from. | 
 | gridmap_image_res | When using gridmap_image_file, the size in meters of each pixel. | 
 | simplemap_file | A .simplemap to load the map from. | 
 | X_MAX | The rectangle where a uniform pdf of particles is initialized for global localization. | 
 | X_MIN | The rectangle where a uniform pdf of particles is initialized for global localization. | 
 | Y_MAX | The rectangle where a uniform pdf of particles is initialized for global localization. | 
 | Y_MIN | The rectangle where a uniform pdf of particles is initialized for global localization. |