public static void Run()
{
//ExStart: CreateCurvePolygon
string path = RunExamples.GetDataDir() + "CreateCurvePolygon_out.shp";
using (VectorLayer layer = VectorLayer.Create(path, Drivers.Shapefile))
{
var feature = layer.ConstructFeature();
// create a torus with center at (0,0), radius equal to 2 and hole radius equal to 1
var curvePolygon = new CurvePolygon();
var exterior = new CircularString();
exterior.AddPoint(-2, 0);
exterior.AddPoint(0, 2);
exterior.AddPoint(2, 0);
exterior.AddPoint(0, -2);
exterior.AddPoint(-2, 0);
curvePolygon.ExteriorRing = exterior;
var interior = new CircularString();
interior.AddPoint(-1, 0);
interior.AddPoint(0, 1);
interior.AddPoint(1, 0);
interior.AddPoint(0, -1);
interior.AddPoint(-1, 0);
curvePolygon.AddInteriorRing(interior);
feature.Geometry = curvePolygon;
layer.Add(feature);
}
//ExEnd: CreateCurvePolygon
}
public static void Run()
{
//ExStart: CreateCircularString
string path = RunExamples.GetDataDir() + "CreateCircularString_out.shp";
using (VectorLayer layer = VectorLayer.Create(path, Drivers.Shapefile))
{
var feature = layer.ConstructFeature();
// create a circle with center at (1,0) and radius 1.
var circularString = new CircularString();
circularString.AddPoint(0, 0);
circularString.AddPoint(1, 1);
circularString.AddPoint(2, 0);
circularString.AddPoint(1, -1);
circularString.AddPoint(0, 0);
feature.Geometry = circularString;
layer.Add(feature);
}
//ExEnd: CreateCircularString
}
/// <summary>
/// I think this is correct
/// </summary>
/// <param name="circularString"></param>
public CurvePolygon(CircularString circularString)
: base(circularString.Factory.CreateLinearRing(circularString.Coordinates), circularString.Factory)
{
}