private void Create()
{
if (_subdiv != null)
{
return;
}
Envelope siteEnv = DelaunayTriangulationBuilder.Envelope(_siteCoords);
IList <Segment> segments = new List <Segment>();
if (_constraintLines != null)
{
siteEnv.ExpandToInclude(_constraintLines.EnvelopeInternal);
CreateVertices(_constraintLines);
segments = CreateConstraintSegments(_constraintLines);
}
IEnumerable <Vertex> sites = CreateSiteVertices(_siteCoords);
ConformingDelaunayTriangulator cdt = new ConformingDelaunayTriangulator(sites, _tolerance);
cdt.SetConstraints(segments, new List <Vertex>(_constraintVertexMap.Values));
cdt.FormInitialDelaunay();
cdt.EnforceConstraints();
_subdiv = cdt.Subdivision;
}
private void Create()
{
if (_subdiv != null)
{
return;
}
Envelope siteEnv = DelaunayTriangulationBuilder.Envelope(_siteCoords);
_diagramEnv = siteEnv;
// add a buffer around the final envelope
double expandBy = Math.Max(_diagramEnv.Width, _diagramEnv.Height);
_diagramEnv.ExpandBy(expandBy);
if (_clipEnv != null)
{
_diagramEnv.ExpandToInclude(_clipEnv);
}
var vertices = DelaunayTriangulationBuilder.ToVertices(_siteCoords);
_subdiv = new QuadEdgeSubdivision(siteEnv, _tolerance);
IncrementalDelaunayTriangulator triangulator = new IncrementalDelaunayTriangulator(_subdiv);
triangulator.InsertSites(vertices);
}