public MgCurveRing CreateCurveRing(double offset)
{
// Ring is a closed entity.
// Create and return a ring consisting of
// one circulararc segment and one linearstring segment
// arcseg = (0,0), (0,1), (1,2)
// lineseg = (1,2), (0,0)
// ArcSegment
MgCoordinate startPos = factory.CreateCoordinateXY(offset + 0.0, offset + 0.0);
MgCoordinate midPos = factory.CreateCoordinateXY(offset + 0.0, offset + 1.0);
MgCoordinate endPos = factory.CreateCoordinateXY(offset + 1.0, offset + 2.0);
MgArcSegment arcSeg = factory.CreateArcSegment(startPos, endPos, midPos);
// Linear Segment
MgCoordinateCollection points = new MgCoordinateCollection();
MgCoordinate fromPt = factory.CreateCoordinateXY(offset + 1.0, offset + 2.0);
MgCoordinate toPt = factory.CreateCoordinateXY(offset + 0.0, offset + 0.0);
points.Add(fromPt);
points.Add(toPt);
MgLinearSegment lineSeg = factory.CreateLinearSegment(points);
// Curve Segment
MgCurveSegmentCollection curveSegs = new MgCurveSegmentCollection();
curveSegs.Add(arcSeg);
curveSegs.Add(lineSeg);
return(factory.CreateCurveRing(curveSegs));
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
var build = new GeomBuild();
MgArcSegment geom1 = build.CreateArcSegment(2.0);
MgArcSegment geom2 = build.CreateArcSegment(12.0);
MgArcSegment geom3 = build.CreateArcSegment(2.0);
MgCurveSegmentCollection coll = new MgCurveSegmentCollection();
coll.Add(geom1);
coll.Add(geom2);
coll.Add(geom3);
Assert.AreEqual(3, coll.Count);
Assert.IsTrue(geom1.Envelope().Contains(coll[0].Envelope()));
Assert.IsTrue(coll[0].Envelope().Contains(coll[2].Envelope()));
Assert.IsFalse(coll[0].Envelope().Contains(coll[1].Envelope()));
coll[0] = coll[1];
Assert.IsTrue(coll[0].Envelope().Contains(coll[1].Envelope()));
double width = 0.0;
foreach (MgCurveSegment geom in coll)
{
width += geom.Envelope().GetWidth();
}
Assert.AreEqual(geom1.Envelope().GetWidth() * 3.0, width);
}
public MgCurveString CreateCurveString(double offset)
{
// Create and return a curvestring consisting of
// one circulararc segment and one linearstring segment
// arcseg = (0,0), (0,1), (1,2)
// lineseg = (1,2), (3,0), (3,2)
// ArcSegment
MgCoordinate startPos = factory.CreateCoordinateXY(offset + 0.0, offset + 0.0);
MgCoordinate midPos = factory.CreateCoordinateXY(offset + 0.0, offset + 1.0);
MgCoordinate endPos = factory.CreateCoordinateXY(offset + 1.0, offset + 2.0);
MgArcSegment arcSeg = factory.CreateArcSegment(startPos, endPos, midPos);
// Linear Segment
MgCoordinateCollection points = new MgCoordinateCollection();
MgCoordinate pt1 = factory.CreateCoordinateXY(offset + 1.0, offset + 2.0);
MgCoordinate pt2 = factory.CreateCoordinateXY(offset + 3.0, offset + 0.0);
MgCoordinate pt3 = factory.CreateCoordinateXY(offset + 3.0, offset + 2.0);
points.Add(pt1);
points.Add(pt2);
points.Add(pt3);
MgLinearSegment lineSeg = factory.CreateLinearSegment(points);
// CurveSegment
MgCurveSegmentCollection curveSegs = new MgCurveSegmentCollection();
curveSegs.Add(arcSeg);
curveSegs.Add(lineSeg);
return(factory.CreateCurveString(curveSegs));
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinateXY start = gf.CreateCoordinateXY(0, 0) as MgCoordinateXY;
MgCoordinateXY end = gf.CreateCoordinateXY(10, 10) as MgCoordinateXY;
MgCoordinateXY control = gf.CreateCoordinateXY(5, 5) as MgCoordinateXY;
MgArcSegment arcSegment = gf.CreateArcSegment(start, end, control);
Assert.AreEqual(MgGeometryComponentType.ArcSegment, arcSegment.ComponentType);
Assert.AreEqual(control.ToString(), arcSegment.ControlCoordinate.ToString());
Assert.AreEqual(start.ToString(), arcSegment.StartCoordinate.ToString());
Assert.AreEqual(end.ToString(), arcSegment.EndCoordinate.ToString());
}
