public static void CreateSubdivision(int rows, int cols, int pointCount, out Triangle2DF[] delaunayTriangles, out VoronoiFacet[] voronoiFacets) { var rand = new Random(); var pts = Enumerable.Range(0, pointCount).Select(_ => new PointF(rand.Next(0, cols), rand.Next(0, rows))).ToArray(); using (Subdiv2D subdivision = new Subdiv2D(pts)) { delaunayTriangles = subdivision.GetDelaunayTriangles(); voronoiFacets = subdivision.GetVoronoiFacets(); } }
private void CreateSubdivision(float maxValue, int pointCount, out Triangle2DF[] delaunayTriangles, out VoronoiFacet[] voronoiFacets) { #region 在0-maxValue 之间创建随机点 PointF[] pts = new PointF[pointCount]; Random r = new Random((int)(DateTime.Now.Ticks & 0x0000ffff)); for (int i = 0; i < pts.Length; i++) { pts[i] = new PointF((float)r.NextDouble() * maxValue, (float)r.NextDouble() * maxValue); } #endregion using (Subdiv2D subDivision = new Subdiv2D(pts)) { delaunayTriangles = subDivision.GetDelaunayTriangles(); voronoiFacets = subDivision.GetVoronoiFacets(); } }
/// <summary> /// Create planar subdivision for random points /// </summary> /// <param name="maxValue">The points contains values between [0, maxValue)</param> /// <param name="pointCount">The total number of points to create</param> public static void CreateSubdivision(float maxValue, int pointCount, out Triangle2DF[] delaunayTriangles, out VoronoiFacet[] voronoiFacets) { #region create random points in the range of [0, maxValue] PointF[] pts = new PointF[pointCount]; Random r = new Random((int)(DateTime.Now.Ticks & 0x0000ffff)); for (int i = 0; i < pts.Length; i++) { pts[i] = new PointF((float)r.NextDouble() * maxValue, (float)r.NextDouble() * maxValue); } #endregion using (Subdiv2D subdivision = new Subdiv2D(pts)) { //Obtain the delaunay's triangulation from the set of points; delaunayTriangles = subdivision.GetDelaunayTriangles(); //Obtain the voronoi facets from the set of points voronoiFacets = subdivision.GetVoronoiFacets(); } }