public static IGeometry MergeLines(IGeometry g) { LineMerger merger = new LineMerger(); merger.Add(g); IList<IGeometry> lines = merger.GetMergedLineStrings(); return g.Factory.BuildGeometry(lines); }
public static IGeometry mergeLines(Geometry g) { var merger = new LineMerger(); merger.Add(g); var lines = merger.GetMergedLineStrings(); return g.Factory.BuildGeometry(lines); }
private static IGeometry DissolveLines(IGeometry lines) { IGeometry dissolved = lines.Union(); LineMerger merger = new LineMerger(); merger.Add(dissolved); IList<IGeometry> mergedColl = merger.GetMergedLineStrings(); IGeometry merged = lines.Factory.BuildGeometry(mergedColl); return merged; }
internal virtual void Run() { IList<IGeometry> lineStrings = Data; LineMerger lineMerger = new LineMerger(); lineMerger.Add(lineStrings); var mergedLineStrings = lineMerger.GetMergedLineStrings(); Console.WriteLine("Lines formed (" + mergedLineStrings.Count + "):"); foreach (var obj in mergedLineStrings) Console.WriteLine(obj); }
public static IList<IGeometry> GetContours(ref DotSpatial.Data.Raster rst, double[] x, double[] y, double zlev) { List<LineString> lsList = new List<LineString>(); bool ipari, jpari; double[] xx = new double[3]; double[] yy = new double[3]; double[] zz = new double[3]; for (int j = 0; j < rst.NumColumns - 1; j++) { if (((int)((double)j / 2.0)) * 2 == j) jpari = true; else jpari = false; for (int i = 0; i < rst.NumRows - 1; i++) { if (((int)((double)i / 2.0)) * 2 == i) ipari = true; else ipari = false; if (!jpari && !ipari || jpari && ipari) { xx[0] = x[j]; yy[0] = y[i]; zz[0] = rst.Value[i, j]; xx[1] = x[j]; yy[1] = y[i + 1]; zz[1] = rst.Value[i + 1, j]; xx[2] = x[j + 1]; yy[2] = y[i]; zz[2] = rst.Value[i, j + 1]; { Coordinate[] c = Intersect(xx, yy, zz, zlev); if (c != null) { lsList.Add(new LineString(c)); } } xx[0] = x[j + 1]; yy[0] = y[i]; zz[0] = rst.Value[i, j + 1]; xx[1] = x[j]; yy[1] = y[i + 1]; zz[1] = rst.Value[i + 1, j]; xx[2] = x[j + 1]; yy[2] = y[i + 1]; zz[2] = rst.Value[i + 1, j + 1]; { Coordinate[] c = Intersect(xx, yy, zz, zlev); if (c != null) { lsList.Add(new LineString(c)); } } } if (jpari && !ipari || !jpari && ipari) { xx[0] = x[j]; yy[0] = y[i]; zz[0] = rst.Value[i, j]; xx[1] = x[j]; yy[1] = y[i + 1]; zz[1] = rst.Value[i + 1, j]; xx[2] = x[j + 1]; yy[2] = y[i + 1]; zz[2] = rst.Value[i + 1, j + 1]; { Coordinate[] c = Intersect(xx, yy, zz, zlev); if (c != null) { lsList.Add(new LineString(c)); } } xx[0] = x[j]; yy[0] = y[i]; zz[0] = rst.Value[i, j]; xx[1] = x[j + 1]; yy[1] = y[i + 1]; zz[1] = rst.Value[i + 1, j + 1]; xx[2] = x[j + 1]; yy[2] = y[i]; zz[2] = rst.Value[i, j + 1]; { Coordinate[] c = Intersect(xx, yy, zz, zlev); if (c != null) { lsList.Add(new LineString(c)); } } } } } LineMerger lm = new LineMerger(); lm.Add(lsList); IList<IGeometry> merged = (IList<IGeometry>)lm.GetMergedLineStrings(); return merged; }
/// <summary> /// /// </summary> /// <param name="container"></param> public AnonymousGeometryComponentFilterImpl(LineMerger container) { _container = container; }
public static void DoTest(String[] inputWKT, String[] expectedOutputWKT, bool compareDirections) { LineMerger lineMerger = new LineMerger(); lineMerger.Add(ToGeometries(inputWKT)); Compare(ToGeometries(expectedOutputWKT), lineMerger.GetMergedLineStrings(), compareDirections); }
/// <summary> /// /// </summary> /// <param name="container"></param> public AnonymousGeometryComponentFilterImpl(LineMerger container) { _container = container; }