public Delaunay()
{
CvRect rect = new CvRect(0, 0, 600, 600);
CvColor activeFacetColor = new CvColor(255, 0, 0);
CvColor delaunayColor = new CvColor(0, 0, 0);
CvColor voronoiColor = new CvColor(0, 180, 0);
CvColor bkgndColor = new CvColor(255, 255, 255);
Random rand = new Random();
using (CvMemStorage storage = new CvMemStorage(0))
using (IplImage img = new IplImage(rect.Size, BitDepth.U8, 3))
using (CvWindow window = new CvWindow("delaunay"))
{
img.Set(bkgndColor);
CvSubdiv2D subdiv = new CvSubdiv2D(rect, storage);
for (int i = 0; i < 200; i++)
{
CvPoint2D32f fp = new CvPoint2D32f
{
X = (float)rand.Next(5, rect.Width - 10),
Y = (float)rand.Next(5, rect.Height - 10)
};
LocatePoint(subdiv, fp, img, activeFacetColor);
window.Image = img;
if (CvWindow.WaitKey(100) >= 0)
{
break;
}
subdiv.Insert(fp);
subdiv.CalcVoronoi2D();
img.Set(bkgndColor);
DrawSubdiv(img, subdiv, delaunayColor, voronoiColor);
window.Image = img;
if (CvWindow.WaitKey(100) >= 0)
{
break;
}
}
img.Set(bkgndColor);
PaintVoronoi(subdiv, img);
window.Image = img;
CvWindow.WaitKey(0);
}
}
/// <summary>
/// ヒストグラムの描画
/// </summary>
/// <param name="img"></param>
/// <param name="hist"></param>
/// <param name="histSize"></param>
private static void DrawHist(IplImage img, CvHistogram hist, int histSize)
{
img.Set(CvColor.White);
int binW = Cv.Round((double)img.Width / histSize);
for (int i = 0; i < histSize; i++)
{
img.Rectangle(
new CvPoint(i * binW, img.Height),
new CvPoint((i + 1) * binW, img.Height - Cv.Round(hist.Bins[i])),
CvColor.Black, -1, LineType.AntiAlias, 0
);
}
}
