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();
}
}
