void CalculatePbNode()
{
pBNode = new ParallelogramInternalTreeNode(this, ParallelogramNodeOverICurve.DefaultLeafBoxesOffset);
var parallelograms = new List <Parallelogram>();
PolylinePoint pp = StartPoint;
int offset = 0;
while (pp.Next != null)
{
Parallelogram parallelogram = ParallelogramOfLineSeg(pp.Point, pp.Next.Point);
parallelograms.Add(parallelogram);
pBNode.AddChild(new ParallelogramLeaf(offset, offset + 1, parallelogram, this, 0));
pp = pp.Next;
offset++;
}
if (Closed)
{
Parallelogram parallelogram = ParallelogramOfLineSeg(EndPoint.Point, StartPoint.Point);
parallelograms.Add(parallelogram);
pBNode.AddChild(new ParallelogramLeaf(offset, offset + 1, parallelogram, this, 0));
}
pBNode.Parallelogram = Parallelogram.GetParallelogramOfAGroup(parallelograms);
}
static ParallelogramNodeOverICurve CreateNodeWithSegmentSplit(double start, double end, Ellipse seg, double eps)
{
var pBNode = new ParallelogramInternalTreeNode(seg, eps);
pBNode.AddChild(CreateParallelogramNodeForCurveSeg(start, 0.5 * (start + end), seg, eps));
pBNode.AddChild(CreateParallelogramNodeForCurveSeg(0.5 * (start + end), end, seg, eps));
var boxes = new List <Parallelogram>();
boxes.Add(pBNode.Children[0].Parallelogram);
boxes.Add(pBNode.Children[1].Parallelogram);
pBNode.Parallelogram = Parallelogram.GetParallelogramOfAGroup(boxes);
return(pBNode);
}
static ParallelogramNodeOverICurve CreateNodeWithSegmentSplit(double start, double end, Ellipse seg, double eps){
var pBNode = new ParallelogramInternalTreeNode(seg, eps);
pBNode.AddChild(CreateParallelogramNodeForCurveSeg(start, 0.5*(start + end), seg, eps));
pBNode.AddChild(CreateParallelogramNodeForCurveSeg(0.5*(start + end), end, seg, eps));
var boxes = new List<Parallelogram>();
boxes.Add(pBNode.Children[0].Parallelogram);
boxes.Add(pBNode.Children[1].Parallelogram);
pBNode.Parallelogram = Parallelogram.GetParallelogramOfAGroup(boxes);
return pBNode;
}
