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;
}