/**
* Searches for a reflectable within a circle of specified radius.
*
* @param radius of the search area, in meters
* @return message depending on whether a reflectable was found or not
* @throws TrackerException thrown if not connected, or if no reflectable was found
*/
String search(double radius) throws TrackerException {
isConnected();
trk.search(radius);
if (trk.targetPresent()) {
return "Target found.\n";
} else {
throw new TrackerException("Target not found.\n");
}
}
/** Returns true if the tracker is pointing at a reflectable, false if not. */
boolean reflPresent() throws TrackerException {
isConnected();
return trk.targetPresent();
}