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samples/cpp/convexhull.cpp
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Suleyman TURKMEN
Update convexhull.cpp
11 сен 2021, 23:58
11 сен 2021, 23:58
9d1e8b1
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#include "opencv2/imgproc.hpp" #include "opencv2/highgui.hpp" #include <iostream> using namespace cv; using namespace std; static void help(char** argv) { cout << "\nThis sample program demonstrates the use of the convexHull() function\n" << "Call:\n" << argv[0] << endl; } int main( int argc, char** argv ) { CommandLineParser parser(argc, argv, "{help h||}"); if (parser.has("help")) { help(argv); return 0; } Mat img(500, 500, CV_8UC3); RNG& rng = theRNG(); for(;;) { int i, count = (unsigned)rng%100 + 1; vector<Point> points; for( i = 0; i < count; i++ ) { Point pt; pt.x = rng.uniform(img.cols/4, img.cols*3/4); pt.y = rng.uniform(img.rows/4, img.rows*3/4); points.push_back(pt); } vector<Point> hull; convexHull(points, hull, true); img = Scalar::all(0); for( i = 0; i < count; i++ ) circle(img, points[i], 3, Scalar(0, 0, 255), FILLED, LINE_AA); polylines(img, hull, true, Scalar(0, 255, 0), 1, LINE_AA); imshow("hull", img); char key = (char)waitKey(); if( key == 27 || key == 'q' || key == 'Q' ) // 'ESC' break; } return 0; }