norm.cpp

			// normalize and flip
			for (ii = 0; ii < npoints; ii++)
			{
				cv::Point p, pn;
				p = selected.at(ii);
				pn.x = 100*(p.x - xmin) / (xmax-xmin); 
				pn.y = 100*(p.y - ymin) / (ymax-ymin);
				normalized.push_back(pn);
				std::cout << "Normalized: " << pn.x << " " << pn.y << "\n";

			}