public void CanGetOrientationsForLinearTopologicalLines()
{
var polyline = (IPolyline)CurveConstruction.StartLine(10, 0)
.LineTo(15, 5)
.Curve;
polyline.SpatialReference = CreateSpatialReference();
TopologicalLine topologicalLine = CreateTopologicalLine(polyline);
Assert.AreEqual(2, topologicalLine.Orientation);
polyline = (IPolyline)CurveConstruction.StartLine(15, 5)
.LineTo(10, 0)
.Curve;
polyline.SpatialReference = CreateSpatialReference();
topologicalLine = CreateTopologicalLine(polyline);
Assert.AreEqual(-2, topologicalLine.Orientation);
polyline = (IPolyline)CurveConstruction.StartLine(10, 0)
.LineTo(15, 5)
.LineTo(10, 10)
.Curve;
polyline.SpatialReference = CreateSpatialReference();
topologicalLine = CreateTopologicalLine(polyline);
Assert.AreEqual(-1, topologicalLine.Orientation);
polyline = (IPolyline)CurveConstruction.StartLine(10, 10)
.LineTo(15, 5)
.LineTo(10, 0)
.Curve;
polyline.SpatialReference = CreateSpatialReference();
topologicalLine = CreateTopologicalLine(polyline);
Assert.AreEqual(1, topologicalLine.Orientation);
}
public void CanGetSingleSegmentOrientationToLR()
{
var polyline = (IPolyline)CurveConstruction.StartLine(10, 10)
.LineTo(20, 0)
.Curve;
polyline.SpatialReference = CreateSpatialReference();
TopologicalLine topologicalLine = CreateTopologicalLine(polyline);
Assert.AreEqual(2, topologicalLine.Orientation);
}
public void CanGetCounterClockwiseOrientation()
{
var polyline = (IPolyline)CurveConstruction.StartLine(10, 0)
.LineTo(15, 5)
.LineTo(10, 10)
.Curve;
polyline.SpatialReference = CreateSpatialReference();
TopologicalLine topologicalLine = CreateTopologicalLine(polyline);
Assert.AreEqual(-1, topologicalLine.Orientation);
}
public void CanGetSingleSegmentClockwiseCircularArcOrientation()
{
var polyline = (IPolyline)CurveConstruction.StartLine(9, 10)
.LineTo(10, 10)
.CircleTo(10, 0)
.Curve;
polyline.SpatialReference = CreateSpatialReference();
TopologicalLine topologicalLine = CreateTopologicalLine(polyline);
Assert.AreEqual(1, topologicalLine.Orientation);
}