public virtual void PrepareTriangulation(TriangulationContext tcx)
{
if (Triangles == null)
{
Triangles = new List <DelaunayTriangle>(Points.Count);
}
else
{
Triangles.Clear();
}
tcx.Points.AddRange(Points);
}
/// <summary>
/// Creates constraints and populates the context with points
/// </summary>
/// <param name="tcx">The context</param>
public void PrepareTriangulation(TriangulationContext tcx)
{
if (_triangles == null)
{
_triangles = new List <DelaunayTriangle>(_points.Count);
}
else
{
_triangles.Clear();
}
// Outer constraints
for (int i = 0; i < _points.Count - 1; i++)
{
tcx.NewConstraint(_points[i], _points[i + 1]);
}
tcx.NewConstraint(_points[0], _points[_points.Count - 1]);
tcx.Points.AddRange(_points);
// Hole constraints
if (_holes != null)
{
foreach (Polygon p in _holes)
{
for (int i = 0; i < p._points.Count - 1; i++)
{
tcx.NewConstraint(p._points[i], p._points[i + 1]);
}
tcx.NewConstraint(p._points[0], p._points[p._points.Count - 1]);
tcx.Points.AddRange(p._points);
}
}
if (_steinerPoints != null)
{
tcx.Points.AddRange(_steinerPoints);
}
}
public override void PrepareTriangulation(TriangulationContext tcx)
{
base.PrepareTriangulation(tcx);
if (_constrainedPointList != null)
{
TriangulationPoint p1, p2;
List <TriangulationPoint> .Enumerator iterator = _constrainedPointList.GetEnumerator();
while (iterator.MoveNext())
{
p1 = iterator.Current;
iterator.MoveNext();
p2 = iterator.Current;
tcx.NewConstraint(p1, p2);
}
}
else
{
for (int i = 0; i < EdgeIndex.Length; i += 2)
{
// XXX: must change!!
tcx.NewConstraint(Points[EdgeIndex[i]], Points[EdgeIndex[i + 1]]);
}
}
}
