/// <summary>
///
/// </summary>
/// <param name="wkt"></param>
/// <param name="start"></param>
/// <param name="end"></param>
public void RunExtractedLine(string wkt, double start, double end)
{
Console.WriteLine("=========================");
IGeometry g1 = rdr.Read(wkt);
Console.WriteLine("Input Geometry: " + g1);
Console.WriteLine("Indices to extract: " + start + " " + end);
LengthIndexedLine indexedLine = new LengthIndexedLine(g1);
IGeometry subLine = indexedLine.ExtractLine(start, end);
Console.WriteLine("Extracted Line: " + subLine);
double[] index = indexedLine.IndicesOf(subLine);
Console.WriteLine("Indices of extracted line: " + index[0] + " " + index[1]);
Coordinate midpt = indexedLine.ExtractPoint((index[0] + index[1]) / 2);
Console.WriteLine("Midpoint of extracted line: " + midpt);
}
public static IGeometry ExtractLine(IGeometry g, double start, double end)
{
var ll = new LengthIndexedLine(g);
return ll.ExtractLine(start, end);
}
protected override IGeometry IndicesOfThenExtract(IGeometry linearGeom, IGeometry subLine)
{
LengthIndexedLine indexedLine = new LengthIndexedLine(linearGeom);
double[] loc = indexedLine.IndicesOf(subLine);
IGeometry result = indexedLine.ExtractLine(loc[0], loc[1]);
return result;
}
private void CheckExtractLine(String wkt, double start, double end, String expected)
{
IGeometry linearGeom = Read(wkt);
LengthIndexedLine indexedLine = new LengthIndexedLine(linearGeom);
IGeometry result = indexedLine.ExtractLine(start, end);
CheckExpected(result, expected);
}