Esempio n. 1
0
static void draw_subdiv( Mat& img, Subdiv2D& subdiv, Scalar delaunay_color )
{
#if 1
    vector<Vec6f> triangleList;
    subdiv.getTriangleList(triangleList);
    vector<Point> pt(3);
    
    for( size_t i = 0; i < triangleList.size(); i++ )
    {
        Vec6f t = triangleList[i];
        pt[0] = Point(cvRound(t[0]), cvRound(t[1]));
        pt[1] = Point(cvRound(t[2]), cvRound(t[3]));
        pt[2] = Point(cvRound(t[4]), cvRound(t[5]));
        line(img, pt[0], pt[1], delaunay_color, 1, CV_AA, 0);
        line(img, pt[1], pt[2], delaunay_color, 1, CV_AA, 0);
        line(img, pt[2], pt[0], delaunay_color, 1, CV_AA, 0);
    }
#else
    vector<Vec4f> edgeList;
    subdiv.getEdgeList(edgeList);
    for( size_t i = 0; i < edgeList.size(); i++ )
    {
        Vec4f e = edgeList[i];
        Point pt0 = Point(cvRound(e[0]), cvRound(e[1]));
        Point pt1 = Point(cvRound(e[2]), cvRound(e[3]));
        line(img, pt0, pt1, delaunay_color, 1, CV_AA, 0);
    }
#endif
}
Esempio n. 2
0
void AAM::displayTriangulation(Subdiv2D subdiv)
{
    Mat img=Mat::zeros(ImageWidth, ImageHeight, CV_8UC1);
    Scalar delaunay_color=Scalar(255, 0, 0);
    bool draw;
    vector<Vec6f> triangleList;
    subdiv.getTriangleList(triangleList);
    vector<Point> pt(3);

    for(int i = 0; i < triangleList.size(); i++)
    {
      Vec6f t = triangleList[i];

      pt[0] = Point(cvRound(t[0]), cvRound(t[1]));
      pt[1] = Point(cvRound(t[2]), cvRound(t[3]));
      pt[2] = Point(cvRound(t[4]), cvRound(t[5]));

      draw=true;

      for(int i=0;i<3;i++)
      {
         if(pt[i].x>img.rows||pt[i].y>img.cols||pt[i].x<0||pt[i].y<0)
            draw=false;
      }
      if (draw)
      {
         line(img, pt[0], pt[1], delaunay_color, 1);
         line(img, pt[1], pt[2], delaunay_color, 1);
         line(img, pt[2], pt[0], delaunay_color, 1);
      }
    }
    imshow("triangulacja", img);
}
Esempio n. 3
0
// Draw delaunay triangles
static void draw_delaunay( Mat& img, Subdiv2D& subdiv, Scalar delaunay_color )
{

    vector<Vec6f> triangleList;
    subdiv.getTriangleList(triangleList);
    vector<Point> pt(3);
    Size size = img.size();
    Rect rect(0,0, size.width, size.height);

    for( size_t i = 0; i < triangleList.size(); i++ )
    {
        Vec6f t = triangleList[i];
        pt[0] = Point(cvRound(t[0]), cvRound(t[1]));
        pt[1] = Point(cvRound(t[2]), cvRound(t[3]));
        pt[2] = Point(cvRound(t[4]), cvRound(t[5]));
        
        // Draw rectangles completely inside the image.
        if ( rect.contains(pt[0]) && rect.contains(pt[1]) && rect.contains(pt[2]))
        {
            line(img, pt[0], pt[1], delaunay_color, 1, CV_AA, 0);
            line(img, pt[1], pt[2], delaunay_color, 1, CV_AA, 0);
            line(img, pt[2], pt[0], delaunay_color, 1, CV_AA, 0);
        }
    }
}
Esempio n. 4
0
static void draw_subdiv( Mat& img, Subdiv2D& subdiv, Scalar delaunay_color )
{
    vector<Vec6f> triangleList;
    subdiv.getTriangleList(triangleList);
    vector<Point> pt(3);

    for( size_t i = 0; i < triangleList.size(); i++ )
    {
        Vec6f t = triangleList[i];
        pt[0] = Point(cvRound(t[0]), cvRound(t[1]));
        pt[1] = Point(cvRound(t[2]), cvRound(t[3]));
        pt[2] = Point(cvRound(t[4]), cvRound(t[5]));
		bool draw=true;
		for(int i=0;i<3;i++){
		 if(pt[i].x>img.cols||pt[i].y>img.rows||pt[i].x<0||pt[i].y<0)
			draw=false;
		}
		if (draw){
			line(img, pt[0], pt[1], delaunay_color, 1);
			line(img, pt[1], pt[2], delaunay_color, 1);
			line(img, pt[2], pt[0], delaunay_color, 1);
		}
    }
}