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Update convexhull.cpp

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This commit is contained in:
Suleyman TURKMEN 2021-09-11 22:58:45 +03:00
parent f605373a2b
commit 9d1e8b1e1d
1 changed files with 3 additions and 12 deletions
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15
samples/cpp/convexhull.cpp
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@ -38,23 +38,14 @@ int main( int argc, char** argv )
points.push_back(pt); points.push_back(pt);
} }
vector<int> hull; vector<Point> hull;
convexHull(Mat(points), hull, true); convexHull(points, hull, true);
img = Scalar::all(0); img = Scalar::all(0);
for( i = 0; i < count; i++ ) for( i = 0; i < count; i++ )
circle(img, points[i], 3, Scalar(0, 0, 255), FILLED, LINE_AA); circle(img, points[i], 3, Scalar(0, 0, 255), FILLED, LINE_AA);
int hullcount = (int)hull.size(); polylines(img, hull, true, Scalar(0, 255, 0), 1, LINE_AA);
Point pt0 = points[hull[hullcount-1]];
for( i = 0; i < hullcount; i++ )
{
Point pt = points[hull[i]];
line(img, pt0, pt, Scalar(0, 255, 0), 1,LINE_AA);
pt0 = pt;
}
imshow("hull", img); imshow("hull", img);
char key = (char)waitKey(); char key = (char)waitKey();