public void TestGetCellVertices()
{
List <Point> inputPoint = new List <Point>()
{
new Point(5, 5)
};
List <Segment> inputSegment = new List <Segment>();
inputSegment.Add(new Segment(0, 0, 0, 10));
inputSegment.Add(new Segment(0, 0, 10, 0));
inputSegment.Add(new Segment(0, 10, 10, 10));
inputSegment.Add(new Segment(10, 0, 10, 10));
//Build the C# Voronoi
using (BoostVoronoi bv = new BoostVoronoi())
{
foreach (var p in inputPoint)
{
bv.AddPoint(p.X, p.Y);
}
foreach (var s in inputSegment)
{
bv.AddSegment(s.Start.X, s.Start.Y, s.End.X, s.End.Y);
}
bv.Construct();
for (long i = 0; i < bv.CountCells; i++)
{
Cell cell = bv.GetCell(i);
if (!cell.IsOpen)
{
List <long> vertexIndexes = cell.VerticesIndex;
Assert.AreEqual(vertexIndexes.Count, 5);
Assert.AreEqual(vertexIndexes[0], vertexIndexes[vertexIndexes.Count - 1]);
}
}
}
}
public void TestFindInputPointSiteException()
{
List <Point> inputPoint = new List <Point>()
{
new Point(5, 5)
};
List <Segment> inputSegment = new List <Segment>();
inputSegment.Add(new Segment(0, 0, 0, 10));
inputSegment.Add(new Segment(0, 0, 10, 0));
inputSegment.Add(new Segment(0, 10, 10, 10));
inputSegment.Add(new Segment(10, 0, 10, 10));
//Build the C# Voronoi
using (BoostVoronoi bv = new BoostVoronoi())
{
foreach (var p in inputPoint)
{
bv.AddPoint(p.X, p.Y);
}
foreach (var s in inputSegment)
{
bv.AddSegment(s.Start.X, s.Start.Y, s.End.X, s.End.Y);
}
bv.Construct();
for (long i = 0; i < bv.CountCells; i++)
{
Cell cell = bv.GetCell(i);
if (cell.SourceCategory != CellSourceCatory.SegmentStartPoint &&
cell.SourceCategory != CellSourceCatory.SegmentEndPoint &&
cell.SourceCategory != CellSourceCatory.SinglePoint)
{
bv.RetrieveInputPoint(cell);
}
}
}
}
public void TestSegmentDicretization()
{
List <Point> inputPoint = new List <Point>()
{
new Point(5, 5)
};
List <Segment> inputSegment = new List <Segment>();
inputSegment.Add(new Segment(0, 0, 0, 10));
inputSegment.Add(new Segment(0, 0, 10, 0));
inputSegment.Add(new Segment(0, 10, 10, 10));
inputSegment.Add(new Segment(10, 0, 10, 10));
//Build the C# Voronoi
using (BoostVoronoi bv = new BoostVoronoi())
{
foreach (var p in inputPoint)
{
bv.AddPoint(p.X, p.Y);
}
foreach (var s in inputSegment)
{
bv.AddSegment(s.Start.X, s.Start.Y, s.End.X, s.End.Y);
}
bv.Construct();
long testEdgeIndex = 2;
for (long i = 0; i < bv.CountEdges; i++)
{
Edge edge = bv.GetEdge(i);
Edge twin = bv.GetEdge(edge.Twin);
Cell edgeCell = bv.GetCell(edge.Cell);
Cell twinCell = bv.GetCell(twin.Cell);
if (twinCell.SourceCategory == CellSourceCatory.SinglePoint
&&
edgeCell.Site == 1)
{
testEdgeIndex = i;
}
}
Edge testEdge = bv.GetEdge(testEdgeIndex);
Vertex startVertex = bv.GetVertex(testEdge.Start);
Vertex endVertex = bv.GetVertex(testEdge.End);
List <Vertex> dvertices = bv.SampleCurvedEdge(testEdge, Distance.ComputeDistanceBetweenPoints(startVertex, endVertex) / 2);
int lastDicretizedVertexIndex = dvertices.Count - 1;
//Make sure that the end points are consistents
Assert.AreEqual(dvertices[0].X, startVertex.X);
Assert.AreEqual(dvertices[0].Y, startVertex.Y);
Assert.AreEqual(dvertices[lastDicretizedVertexIndex].X, endVertex.X);
Assert.AreEqual(dvertices[lastDicretizedVertexIndex].Y, endVertex.Y);
Assert.AreEqual(dvertices[2].X, 2.5);
Assert.AreEqual(dvertices[2].Y, 5);
}
}