private static IGeometry CreateJ(IGeometry g)
{
var gf = FunctionsUtil.GetFactoryOrDefault(g);
var jTop = new Coordinate[]
{
new Coordinate(0, HEIGHT),
new Coordinate(J_WIDTH, HEIGHT),
new Coordinate(J_WIDTH, J_RADIUS)
};
var jBottom = new Coordinate[]
{
new Coordinate(J_WIDTH - J_RADIUS, 0),
new Coordinate(0, 0)
};
var gsf = new GeometricShapeFactory(gf);
gsf.Base = new Coordinate(J_WIDTH - 2 * J_RADIUS, 0);
gsf.Size = 2 * J_RADIUS;
gsf.NumPoints = 10;
var jArc = gsf.CreateArc(1.5 * Math.PI, 0.5 * Math.PI);
var coordList = new CoordinateList();
coordList.Add(jTop, false);
coordList.Add(((IGeometry)jArc).Reverse().Coordinates, false, 1, jArc.NumPoints - 1);
coordList.Add(jBottom, false);
return(gf.CreateLineString(coordList.ToCoordinateArray()));
}
private static IGeometry CreateS(IGeometry g)
{
var gf = FunctionsUtil.GetFactoryOrDefault(g);
double centreX = WIDTH - S_RADIUS;
var top = new[]
{
new Coordinate(WIDTH, HEIGHT),
new Coordinate(centreX, HEIGHT)
};
var bottom = new[]
{
new Coordinate(centreX, 0),
new Coordinate(WIDTH - 2 * S_RADIUS, 0)
};
var gsf = new GeometricShapeFactory(gf);
gsf.Centre = new Coordinate(centreX, HEIGHT - S_RADIUS);
gsf.Size = 2 * S_RADIUS;
gsf.NumPoints = 10;
var arcTop = gsf.CreateArc(0.5 * Math.PI, Math.PI);
var gsf2 = new GeometricShapeFactory(gf);
gsf2.Centre = new Coordinate(centreX, S_RADIUS);
gsf2.Size = 2 * S_RADIUS;
gsf2.NumPoints = 10;
var arcBottom = (ILineString)((IGeometry)gsf2.CreateArc(1.5 * Math.PI, Math.PI)).Reverse();
var coordList = new CoordinateList();
coordList.Add(top, false);
coordList.Add(arcTop.Coordinates, false, 1, arcTop.NumPoints - 1);
coordList.Add(new Coordinate(centreX, HEIGHT / 2));
coordList.Add(arcBottom.Coordinates, false, 1, arcBottom.NumPoints - 1);
coordList.Add(bottom, false);
return(gf.CreateLineString(coordList.ToCoordinateArray()));
}
