* Geographical Area with a specified center coordinates and a radius.
* @since_tizen 2.4
* @remarks @a area must be released using maps_area_destroy().
- * \n @a top_left and @a bottom_right must be released using
- * maps_coordinates_destroy().
+ * \n @a center must be released using maps_coordinates_destroy().
+ * \n The @a radius is specified in units, listed in #maps_distance_unit_e.
+ * \n To get and set distance units use maps_preference_get_distance_unit() and
+ * maps_preference_set_distance_unit() respectively.
*
* @param[in] center The central position of the area
* @param[in] radius The radius of the area
* @see maps_area_s
* @see maps_coordinates_create()
* @see maps_coordinates_destroy()
+ * @see maps_preference_get_distance_unit()
+ * @see maps_preference_set_distance_unit()
*/
int maps_area_create_circle(const maps_coordinates_h center,
const double radius, maps_area_h *area);
* @since_tizen 2.4
*
* @param[in] place The place handle
- * @param[out] distance The place distance
+ * @param[out] distance The place distance in meters
* @return 0 on success, otherwise a negative error value
* @retval #MAPS_ERROR_NONE Successful
* @retval #MAPS_ERROR_INVALID_PARAMETER Invalid parameter
* @since_tizen 2.4
*
* @param[in] place The handle to place
- * @param[in] distance The place distance
+ * @param[in] distance The place distance in meters
* @return 0 on success, otherwise a negative error value
* @retval #MAPS_ERROR_NONE Successful
* @retval #MAPS_ERROR_INVALID_PARAMETER Invalid parameter
* \n To cancel the search request use maps_service_cancel_request().
* \n To check if Maps Provider is capable of Place Search and which Place
* preferences are supported, see the lists of capacities and preferences above.
+ * \n The distance unit for searching places supports metric
+ * but doesn't support imperial.
+ * Even though applications set #maps_distance_unit_e using maps_preference_set_distance_unit(),
+ * the unit of distance is meter.
*
* @param[in] maps The Maps Service handle
* @param[in] position The interested position
- * @param[in] distance The search area distance
+ * @param[in] distance The search area distance in meters
* @param[in] filter The filter handle
* @param[in] preference The place preference handle
* @param[in] callback The result callback
* \n To cancel the search request use maps_service_cancel_request().
* \n To check if Maps Provider is capable of Place Search and which Place
* preferences are supported, see the lists of capacities and preferences above.
+ * \n The distance unit for searching places doesn't support imperial but supports metric.
+ * Even though applications set maps_distance_unit_e using maps_preference_set_distance_unit(),
+ * the unit of radius of boundary is meter.
*
* @param[in] maps The Maps Service handle
* @param[in] boundary The interested area