private void GetIntersectTypeAndOtherParameter()
{
switch (PositionType)
{
case PolygonCompareMultiPolygonPositionType.Parallel: this.IntersectType = PolygonCompareMultiPolygonIntersectType.NonIntersect; return;
case PolygonCompareMultiPolygonPositionType.NonPlarnar: throw new Exception("Code for this case hasn't finished yet!");
case PolygonCompareMultiPolygonPositionType.Planar:
Polygon surPL = multiPolygon.SurfacePolygon;
List <Polygon> openPLs = multiPolygon.OpeningPolygons;
PolygonComparePolygonResult res = new PolygonComparePolygonResult(polygon, surPL);
switch (res.IntersectType)
{
case PolygonComparePolygonIntersectType.NonIntersect: this.IntersectType = PolygonCompareMultiPolygonIntersectType.NonIntersect; return;
case PolygonComparePolygonIntersectType.Boundary: this.IntersectType = PolygonCompareMultiPolygonIntersectType.Boundary; ListLine = res.ListLine; return;
case PolygonComparePolygonIntersectType.Point: IntersectType = PolygonCompareMultiPolygonIntersectType.Point; ListPoint = res.ListPoint; return;
case PolygonComparePolygonIntersectType.AreaOverlap:
ListPolygon = new List <Polygon>();
this.MultiPolygon = null;
foreach (Polygon pl in res.ListPolygon)
{
Polygon temp = pl;
foreach (Polygon openPl in multiPolygon.OpeningPolygons)
{
PolygonComparePolygonResult ppRes = new PolygonComparePolygonResult(temp, openPl);
if (ppRes.IntersectType == PolygonComparePolygonIntersectType.AreaOverlap)
{
object polyorMultiPolygonCut = null;
ppRes.GetOuterPolygon(temp, out polyorMultiPolygonCut);
if (polyorMultiPolygonCut == null)
{
goto Here;
}
if (polyorMultiPolygonCut is MultiPolygon)
{
this.MultiPolygon = polyorMultiPolygonCut as MultiPolygon;
return;
}
temp = polyorMultiPolygonCut as Polygon;
}
}
ListPolygon.Add(temp);
Here : continue;
}
break;
}
break;
}
}
public PolygonCompareMultiPolygonResult(Polygon pl, MultiPolygon mpl)
{
this.polygon = pl; this.multiPolygon = mpl; GetPositionType(); GetIntersectTypeAndOtherParameter();
}
