/** @brief Set trail to time mode and set time @param seconds The minimum time between trail dots in seconds. If set to a value < 0, trails will be disabled*/
/** @brief Set trail to distance mode and set time */
/** @brief Set trail to distance mode and set time @param meters The minimum distance between trail dots in meters. The actual distance depends on the MAV's update rate as well. If set to a value < 0, trails will be disabled*/