FPGATrackSimHoughTransformTool::LUT Node1 FPGATrackSimHoughTransform Tool::LUT + input_begin + input_end + layer Node2 std::vector< FPGATrackSim HoughTransformTool::pos > Node2->Node1 +output Node3 FPGATrackSimHoughTransform Tool::pos + x + y + layer Node3->Node2 +elements