public static void TestPolygon9(com.epl.geometry.SpatialReference spatialReference)
{
com.epl.geometry.OperatorFactoryLocal engine = com.epl.geometry.OperatorFactoryLocal.GetInstance();
com.epl.geometry.OperatorCut opCut = (com.epl.geometry.OperatorCut)engine.GetOperator(com.epl.geometry.Operator.Type.Cut);
com.epl.geometry.Polygon cut;
int path_count;
int point_count;
double area;
com.epl.geometry.Polygon polygon9 = MakePolygon9();
com.epl.geometry.Polyline cutter9 = MakePolygonCutter9();
com.epl.geometry.GeometryCursor cursor = opCut.Execute(false, polygon9, cutter9, spatialReference, null);
cut = (com.epl.geometry.Polygon)cursor.Next();
path_count = cut.GetPathCount();
point_count = cut.GetPointCount();
area = cut.CalculateArea2D();
NUnit.Framework.Assert.IsTrue(path_count == 3);
NUnit.Framework.Assert.IsTrue(point_count == 12);
NUnit.Framework.Assert.IsTrue(area == 150);
cut = (com.epl.geometry.Polygon)cursor.Next();
path_count = cut.GetPathCount();
point_count = cut.GetPointCount();
area = cut.CalculateArea2D();
NUnit.Framework.Assert.IsTrue(path_count == 3);
NUnit.Framework.Assert.IsTrue(point_count == 12);
NUnit.Framework.Assert.IsTrue(area == 150);
cut = (com.epl.geometry.Polygon)cursor.Next();
NUnit.Framework.Assert.IsTrue(cut == null);
}
public static void TestConsiderTouch2(com.epl.geometry.SpatialReference spatialReference)
{
com.epl.geometry.OperatorFactoryLocal engine = com.epl.geometry.OperatorFactoryLocal.GetInstance();
com.epl.geometry.OperatorCut opCut = (com.epl.geometry.OperatorCut)engine.GetOperator(com.epl.geometry.Operator.Type.Cut);
com.epl.geometry.Polyline polyline2 = MakePolyline2();
com.epl.geometry.Polyline cutter2 = MakePolylineCutter2();
com.epl.geometry.GeometryCursor cursor = opCut.Execute(true, polyline2, cutter2, spatialReference, null);
com.epl.geometry.Polyline cut;
int pathCount;
int segmentCount;
double length;
cut = (com.epl.geometry.Polyline)cursor.Next();
pathCount = cut.GetPathCount();
segmentCount = cut.GetSegmentCount();
length = cut.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(pathCount == 4);
NUnit.Framework.Assert.IsTrue(segmentCount == 4);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(length - 5.74264068) <= 0.001);
cut = (com.epl.geometry.Polyline)cursor.Next();
pathCount = cut.GetPathCount();
segmentCount = cut.GetSegmentCount();
length = cut.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(pathCount == 6);
NUnit.Framework.Assert.IsTrue(segmentCount == 8);
NUnit.Framework.Assert.IsTrue(length == 6.75);
cut = (com.epl.geometry.Polyline)cursor.Next();
pathCount = cut.GetPathCount();
segmentCount = cut.GetSegmentCount();
length = cut.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(pathCount == 1);
NUnit.Framework.Assert.IsTrue(segmentCount == 1);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(length - 0.5) <= 0.001);
cut = (com.epl.geometry.Polyline)cursor.Next();
pathCount = cut.GetPathCount();
segmentCount = cut.GetSegmentCount();
length = cut.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(pathCount == 1);
NUnit.Framework.Assert.IsTrue(segmentCount == 1);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(length - 0.25) <= 0.001);
cut = (com.epl.geometry.Polyline)cursor.Next();
pathCount = cut.GetPathCount();
segmentCount = cut.GetSegmentCount();
length = cut.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(pathCount == 1);
NUnit.Framework.Assert.IsTrue(segmentCount == 1);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(length - 1) <= 0.001);
cut = (com.epl.geometry.Polyline)cursor.Next();
pathCount = cut.GetPathCount();
segmentCount = cut.GetSegmentCount();
length = cut.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(pathCount == 1);
NUnit.Framework.Assert.IsTrue(segmentCount == 1);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(length - 1.41421356) <= 0.001);
cut = (com.epl.geometry.Polyline)cursor.Next();
NUnit.Framework.Assert.IsTrue(cut == null);
}
public static void TestConsiderTouch1(com.epl.geometry.SpatialReference spatialReference)
{
com.epl.geometry.OperatorFactoryLocal engine = com.epl.geometry.OperatorFactoryLocal.GetInstance();
com.epl.geometry.OperatorCut opCut = (com.epl.geometry.OperatorCut)engine.GetOperator(com.epl.geometry.Operator.Type.Cut);
com.epl.geometry.Polyline polyline1 = MakePolyline1();
com.epl.geometry.Polyline cutter1 = MakePolylineCutter1();
com.epl.geometry.GeometryCursor cursor = opCut.Execute(true, polyline1, cutter1, spatialReference, null);
com.epl.geometry.Polyline cut;
int pathCount;
int segmentCount;
double length;
cut = (com.epl.geometry.Polyline)cursor.Next();
pathCount = cut.GetPathCount();
segmentCount = cut.GetSegmentCount();
length = cut.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(pathCount == 4);
NUnit.Framework.Assert.IsTrue(segmentCount == 4);
NUnit.Framework.Assert.IsTrue(length == 6);
cut = (com.epl.geometry.Polyline)cursor.Next();
pathCount = cut.GetPathCount();
segmentCount = cut.GetSegmentCount();
length = cut.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(pathCount == 6);
NUnit.Framework.Assert.IsTrue(segmentCount == 8);
NUnit.Framework.Assert.IsTrue(length == 12);
cut = (com.epl.geometry.Polyline)cursor.Next();
pathCount = cut.GetPathCount();
segmentCount = cut.GetSegmentCount();
length = cut.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(pathCount == 1);
NUnit.Framework.Assert.IsTrue(segmentCount == 1);
NUnit.Framework.Assert.IsTrue(length == 1);
cut = (com.epl.geometry.Polyline)cursor.Next();
pathCount = cut.GetPathCount();
segmentCount = cut.GetSegmentCount();
length = cut.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(pathCount == 1);
NUnit.Framework.Assert.IsTrue(segmentCount == 1);
NUnit.Framework.Assert.IsTrue(length == 1);
cut = (com.epl.geometry.Polyline)cursor.Next();
NUnit.Framework.Assert.IsTrue(cut == null);
}
/// <summary>Calculates the cut geometry from a target geometry using a polyline.</summary>
/// <remarks>
/// Calculates the cut geometry from a target geometry using a polyline. For
/// Polylines, all left cuts will be grouped together in the first Geometry,
/// Right cuts and coincident cuts are grouped in the second Geometry, and
/// each undefined cut, along with any uncut parts, are output as separate
/// Polylines. For Polygons, all left cuts are grouped in the first Polygon,
/// all right cuts are in the second Polygon, and each undefined cut, along
/// with any left-over parts after cutting, are output as a separate Polygon.
/// If there were no cuts then the array will be empty. An undefined cut will
/// only be produced if a left cut or right cut was produced, and there was a
/// part left over after cutting or a cut is bounded to the left and right of
/// the cutter.
/// See OperatorCut.
/// </remarks>
/// <param name="cuttee">The geometry to be cut.</param>
/// <param name="cutter">The polyline to cut the geometry.</param>
/// <param name="spatialReference">The spatial reference of the geometries.</param>
/// <returns>An array of geometries created from cutting.</returns>
public static com.epl.geometry.Geometry[] Cut(com.epl.geometry.Geometry cuttee, com.epl.geometry.Polyline cutter, com.epl.geometry.SpatialReference spatialReference)
{
if (cuttee == null || cutter == null)
{
return(null);
}
com.epl.geometry.OperatorCut op = (com.epl.geometry.OperatorCut)factory.GetOperator(com.epl.geometry.Operator.Type.Cut);
com.epl.geometry.GeometryCursor cursor = op.Execute(true, cuttee, cutter, spatialReference, null);
System.Collections.Generic.List <com.epl.geometry.Geometry> cutsList = new System.Collections.Generic.List <com.epl.geometry.Geometry>();
com.epl.geometry.Geometry geometry;
while ((geometry = cursor.Next()) != null)
{
if (!geometry.IsEmpty())
{
cutsList.Add(geometry);
}
}
return(cutsList.ToArray());
}