/// <summary>
/// This is called by the "ConvexHull" class.
/// </summary>
/// <typeparam name="TVertex"></typeparam>
/// <typeparam name="TFace"></typeparam>
/// <param name="data"></param>
/// <param name="config">If null, default ConvexHullComputationConfig.GetDefault() is used.</param>
/// <returns></returns>
internal static ConvexHull <TVertex, TFace> GetConvexHull <TVertex, TFace>(IList <TVertex> data, ConvexHullComputationConfig config)
where TFace : ConvexFace <TVertex, TFace>, new()
where TVertex : IVertex
{
config = config ?? new ConvexHullComputationConfig();
var vertices = new IVertex[data.Count];
for (int i = 0; i < data.Count; i++)
{
vertices[i] = data[i];
}
ConvexHullInternal ch = new ConvexHullInternal(vertices, false, config);
ch.FindConvexHull();
var hull = new TVertex[ch.ConvexHull.Count];
for (int i = 0; i < hull.Length; i++)
{
hull[i] = (TVertex)ch.Vertices[ch.ConvexHull[i]];
}
return(new ConvexHull <TVertex, TFace> {
Points = hull, Faces = ch.GetConvexFaces <TVertex, TFace>()
});
}
internal static ConvexHull <TVertex, TFace> GetConvexHull <TVertex, TFace>(IList <TVertex> data, ConvexHullComputationConfig config) where TVertex : IVertex where TFace : ConvexFace <TVertex, TFace>, new()
{
config ??= new ConvexHullComputationConfig();
IVertex[] vertices = new IVertex[data.Count];
for (int i = 0; i < data.Count; i++)
{
vertices[i] = data[i];
}
ConvexHullInternal internal2 = new ConvexHullInternal(vertices, false, config);
internal2.FindConvexHull();
return(new ConvexHull <TVertex, TFace> {
Points = internal2.GetHullVertices <TVertex>(data),
Faces = internal2.GetConvexFaces <TVertex, TFace>()
});
}
/// <summary>
/// Computes the Delaunay triangulation.
/// </summary>
/// <typeparam name="TVertex"></typeparam>
/// <typeparam name="TCell"></typeparam>
/// <param name="data"></param>
/// <param name="config"></param>
/// <returns></returns>
internal static TCell[] GetDelaunayTriangulation <TVertex, TCell>(IList <TVertex> data, TriangulationComputationConfig config)
where TCell : TriangulationCell <TVertex, TCell>, new()
where TVertex : IVertex
{
config = config ?? new TriangulationComputationConfig();
var vertices = new IVertex[data.Count];
for (int i = 0; i < data.Count; i++)
{
vertices[i] = data[i];
}
ConvexHullInternal ch = new ConvexHullInternal(vertices, true, config);
ch.FindConvexHull();
ch.PostProcessTriangulation(config);
return(ch.GetConvexFaces <TVertex, TCell>());
}
