49 Trace old_trace(data_points);
53 auto it_out = old_trace.begin();
54 auto it_in = it_out + 1;
55 auto it_end = old_trace.end();
57 while(it_out != it_end)
59 while(it_in != it_end)
62 (it_out->y + it_in->y) - (std::abs(it_out->y - it_in->y));
63 data_points.push_back(
64 DataPoint(std::abs(it_out->x - it_in->x), intensity));