public void Buffer3()
{
var geometry = reader.Read(
@"LINESTRING(1250.7665 446.9385,1137.8786 170.4488,1136.3666106287267
166.74557327980631,1139.485009866369 125.36515638486206,1137.8786 121.7019)");
Assert.IsNotNull(geometry);
Assert.IsTrue(geometry.IsValid);
BufferParameters parameters = new BufferParameters()
{
EndCapStyle = EndCapStyle.Round
};
var curveBuilder = new OffsetCurveBuilder(
geometry.PrecisionModel, parameters);
var curveSetBuilder = new OffsetCurveSetBuilder(geometry, 5, curveBuilder);
var bufferSegStrList = curveSetBuilder.GetCurves();
Assert.AreEqual(1, bufferSegStrList.Count);
var segmentString = (NodedSegmentString)bufferSegStrList[0];
Assert.AreEqual(45, segmentString.Count);
for (var i = 0; i < segmentString.Coordinates.Length; i++)
{
var coord = segmentString.Coordinates[i];
Debug.WriteLine(String.Format("{1:R} {2:R}", i, coord.X, coord.Y));
}
}
private static IGeometry BuildCurveSet(IGeometry g, double dist, IBufferParameters bufParams)
{
// --- now construct curve
var ocb = new OffsetCurveBuilder(g.Factory.PrecisionModel, bufParams);
var ocsb = new OffsetCurveSetBuilder(g, dist, ocb);
var curves = ocsb.GetCurves();
var lines = new List <IGeometry>();
foreach (var ss in curves)
{
var pts = ss.Coordinates;
lines.Add(g.Factory.CreateLineString(pts));
}
IGeometry curve = g.Factory.BuildGeometry(lines);
return(curve);
}