NTS库学习，找bug中......

 引用库：

代码如下：

using GeoAPI.Geometries;
using NetTopologySuite.Features;
using NetTopologySuite.Geometries;
using NetTopologySuite;
using NetTopologySuite.IO;
using Coordinate = NetTopologySuite.Geometries.Coordinate;
using GeoAPI;
using NetTopologySuite.Operation.Polygonize;
using System.Threading;
using Point = NetTopologySuite.Geometries.Point;
using Polygon = NetTopologySuite.Geometries.Polygon;
using IFoxCAD.Cad;
using NetTopologySuite.Index.Quadtree;
using NetTopologySuite.Index.Strtree;
using NetTopologySuite.Triangulate;
using NetTopologySuite.Operation.Linemerge;
[assembly: CommandClass(typeof(IfoxDemo.NTS自己))]//只允许此类快捷键命令namespace IfoxDemo
{public class NTS自己{[CommandMethod("xx")]public static void shp(){"ad".Print();// 创建一个点对象var point = new Point(10, 20);// 创建一条线段对象var line = new LineString(new[] { new Coordinate(0, 0),new Coordinate(10, 10),new Coordinate(20, 0)});// 创建一个多边形对象var polygon = new Polygon(new LinearRing(new[] {new Coordinate(0, 0),new Coordinate(0, 10),new Coordinate(10, 10),new Coordinate(10, 0),new Coordinate(0, 0)}));// 计算两个几何对象之间的距离var distance = point.Distance(line);// 计算一个几何对象的缓冲区var buffer = polygon.Buffer(0.5);// 判断两个几何对象是否相交var isIntersect = line.Intersects(polygon);// 创建一个包含所有几何对象的边界框// var envelope = line.Envelope.Union(polygon.Envelope);// 创建一个 Quadtree 索引var index = new Quadtree<NetTopologySuite.Geometries.Geometry>();//index.Insert(line);//有bug//index.Insert(polygon);// 在索引中查找与一个几何对象相交的对象var results = index.Query(line.EnvelopeInternal);GeometryFactory geometryFactory = new GeometryFactory();// 创建点Point point1 = geometryFactory.CreatePoint(new Coordinate(1.0, 1.0));Point point2 = geometryFactory.CreatePoint(new Coordinate(2.0, 2.0));// 创建线段LineString lineString = geometryFactory.CreateLineString(new Coordinate[] {new Coordinate(0, 0),new Coordinate(1, 1),new Coordinate(2, 2)});// 创建多边形Polygon polygon2 = geometryFactory.CreatePolygon(new Coordinate[] {new Coordinate(0, 0),new Coordinate(0, 1),new Coordinate(1, 1),new Coordinate(1, 0),new Coordinate(0, 0)});// 生成 Delaunay 三角网DelaunayTriangulationBuilder dtb = new DelaunayTriangulationBuilder();dtb.SetSites(new MultiPoint(new Point[] { point1, point2 }));GeometryCollection triangles = (GeometryCollection)dtb.GetTriangles(geometryFactory);// 合并线段LineMerger lineMerger = new LineMerger();lineMerger.Add(lineString);System.Collections.ICollection mergedLines =(System.Collections.ICollection) lineMerger.GetMergedLineStrings();}}}