public bool getData(ulong time_, ref TransformStorage data_out, ref string error_str) { TransformStorage temp1 = null, temp2 = null; int num_nodes = findClosest(ref temp1, ref temp2, time_, ref error_str); switch (num_nodes) { case 0: return(false); case 1: data_out = temp1; break; case 2: if (temp1.frame_id == temp2.frame_id) { interpolate(temp1, temp2, time_, ref data_out); } else { data_out = temp1; } break; default: ROS.FREAKOUT(); break; } return(true); }