public TopoPolyline(ContourPolyline polyline)
{
this.ArcID = polyline.PID;
Innerid = _ArcID++;
MiddlePoint = new List <TopoPoint>();
MBR = new MinBoundRect();
if (polyline.PointList.Count >= 2)
{
TopoPoint startPoint = new TopoPoint(polyline.PointList.First(), true);
startPoint.TopologyArcs.Add(this);
this.BeginNode = startPoint;
TopoPoint endPoint = new TopoPoint(polyline.PointList.Last(), true);
endPoint.TopologyArcs.Add(this);
this.EndNode = endPoint;
MBR.UpdateRect(startPoint.X, startPoint.Y);
MBR.UpdateRect(endPoint.X, endPoint.Y);
for (int i = 1; i < polyline.PointList.Count - 1; i++)
{
if (polyline.PointList[i].OID != startPoint.PointID &&
polyline.PointList[i].OID != EndNode.PointID)
{
TopoPoint midPoint = new TopoPoint(polyline.PointList[i], false);
MiddlePoint.Add(midPoint);
midPoint.TopologyArcs.Add(this);
}
MBR.UpdateRect(polyline.PointList[i].X, polyline.PointList[i].Y);
}
}
}
public TopoPolyline(Edge edge)
{
this.ArcID = edge.EID;
MiddlePoint = new List <TopoPoint>();
MBR = new MinBoundRect();
TopoPoint startPoint = new TopoPoint(edge.StartPoint, true);
startPoint.TopologyArcs.Add(this);
this.BeginNode = startPoint;
TopoPoint endPoint = new TopoPoint(edge.EndPoint, true);
endPoint.TopologyArcs.Add(this);
this.EndNode = endPoint;
MBR.UpdateRect(startPoint.X, startPoint.Y);
MBR.UpdateRect(endPoint.X, endPoint.Y);
}
public PointSet(string setname, string filename, DataPoint[] points)
{
this.SetName = setname;
this.FileName = filename;
this.PointList = new List <DataPoint>(points);
//最小外接矩形
MBR = new MinBoundRect();
foreach (DataPoint point in points)
{
MBR.UpdateRect(point.X, point.Y);
}
}
public TopoPolygon(TopoPolyline[] lines)
{
OuterPolygon = null;
MBR = new MinBoundRect();
TopologyArcs = new List <TopoPolyline>();
InnerPolygons = new List <TopoPolygon>();
this.TopologyArcs.AddRange(lines);
List <int> ArcIDList = new List <int>();
foreach (var arc in lines)
{
ArcIDList.Add(arc.ArcID); MBR.UpdateRect(arc.MBR);
}
ArcIDList.Sort();
int hasgCode = 1;
foreach (var arcid in ArcIDList)
{
hasgCode *= arcid;
}
this.PID = hasgCode.GetHashCode();
innerId = _polygonID++;
}
