public static void TestClipGeometries()
{
// RandomTest();
com.epl.geometry.OperatorFactoryLocal engine = com.epl.geometry.OperatorFactoryLocal.GetInstance();
com.epl.geometry.OperatorClip clipOp = (com.epl.geometry.OperatorClip)engine.GetOperator(com.epl.geometry.Operator.Type.Clip);
com.epl.geometry.Polygon polygon = MakePolygon();
com.epl.geometry.SimpleGeometryCursor polygonCurs = new com.epl.geometry.SimpleGeometryCursor(polygon);
com.epl.geometry.Polyline polyline = MakePolyline();
com.epl.geometry.SimpleGeometryCursor polylineCurs = new com.epl.geometry.SimpleGeometryCursor(polyline);
com.epl.geometry.MultiPoint multipoint = MakeMultiPoint();
com.epl.geometry.SimpleGeometryCursor multipointCurs = new com.epl.geometry.SimpleGeometryCursor(multipoint);
com.epl.geometry.Point point = MakePoint();
com.epl.geometry.SimpleGeometryCursor pointCurs = new com.epl.geometry.SimpleGeometryCursor(point);
com.epl.geometry.SpatialReference spatialRef = com.epl.geometry.SpatialReference.Create(3857);
com.epl.geometry.Envelope2D envelope = new com.epl.geometry.Envelope2D();
envelope.xmin = 0;
envelope.xmax = 20;
envelope.ymin = 5;
envelope.ymax = 15;
// Cursor implementation
com.epl.geometry.GeometryCursor clipPolygonCurs = clipOp.Execute(polygonCurs, envelope, spatialRef, null);
com.epl.geometry.Polygon clippedPolygon = (com.epl.geometry.Polygon)clipPolygonCurs.Next();
double area = clippedPolygon.CalculateArea2D();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(area - 25) < 0.00001);
// Single Geometry implementation
clippedPolygon = (com.epl.geometry.Polygon)clipOp.Execute(polygon, envelope, spatialRef, null);
area = clippedPolygon.CalculateArea2D();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(area - 25) < 0.00001);
// Cursor implementation
com.epl.geometry.GeometryCursor clipPolylineCurs = clipOp.Execute(polylineCurs, envelope, spatialRef, null);
com.epl.geometry.Polyline clippedPolyline = (com.epl.geometry.Polyline)clipPolylineCurs.Next();
double length = clippedPolyline.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(length - 10 * System.Math.Sqrt(2.0)) < 1e-10);
// Single Geometry implementation
clippedPolyline = (com.epl.geometry.Polyline)clipOp.Execute(polyline, envelope, spatialRef, null);
length = clippedPolyline.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(length - 10 * System.Math.Sqrt(2.0)) < 1e-10);
// Cursor implementation
com.epl.geometry.GeometryCursor clipMulti_pointCurs = clipOp.Execute(multipointCurs, envelope, spatialRef, null);
com.epl.geometry.MultiPoint clipped_multi_point = (com.epl.geometry.MultiPoint)clipMulti_pointCurs.Next();
int pointCount = clipped_multi_point.GetPointCount();
NUnit.Framework.Assert.IsTrue(pointCount == 2);
// Cursor implementation
com.epl.geometry.GeometryCursor clipPointCurs = clipOp.Execute(pointCurs, envelope, spatialRef, null);
com.epl.geometry.Point clippedPoint = (com.epl.geometry.Point)clipPointCurs.Next();
NUnit.Framework.Assert.IsTrue(clippedPoint != null);
// RandomTest();
com.epl.geometry.Polyline _poly = new com.epl.geometry.Polyline();
_poly.StartPath(2, 2);
_poly.LineTo(0, 0);
com.epl.geometry.Envelope2D _env = new com.epl.geometry.Envelope2D();
_env.SetCoords(2, 1, 5, 3);
com.epl.geometry.Polyline _clippedPolyline = (com.epl.geometry.Polyline)clipOp.Execute(_poly, _env, spatialRef, null);
NUnit.Framework.Assert.IsTrue(_clippedPolyline.IsEmpty());
{
com.epl.geometry.Polygon poly = new com.epl.geometry.Polygon();
poly.AddEnvelope(new com.epl.geometry.Envelope2D(0, 0, 100, 100), false);
poly.AddEnvelope(new com.epl.geometry.Envelope2D(5, 5, 95, 95), true);
com.epl.geometry.Polygon clippedPoly = (com.epl.geometry.Polygon)clipOp.Execute(poly, new com.epl.geometry.Envelope2D(-10, -10, 110, 50), spatialRef, null);
NUnit.Framework.Assert.IsTrue(clippedPoly.GetPathCount() == 1);
NUnit.Framework.Assert.IsTrue(clippedPoly.GetPointCount() == 8);
}
}
public static void TestDifferenceAndSymmetricDifference()
{
com.epl.geometry.OperatorFactoryLocal engine = com.epl.geometry.OperatorFactoryLocal.GetInstance();
com.epl.geometry.OperatorDifference differenceOp = (com.epl.geometry.OperatorDifference)engine.GetOperator(com.epl.geometry.Operator.Type.Difference);
com.epl.geometry.SpatialReference spatialRef = com.epl.geometry.SpatialReference.Create(102113);
com.epl.geometry.Polygon polygon1 = MakePolygon1();
com.epl.geometry.Polygon polygon2 = MakePolygon2();
com.epl.geometry.Polyline polyline1 = MakePolyline1();
com.epl.geometry.MultiPoint multipoint1 = MakeMultiPoint1();
com.epl.geometry.MultiPoint multipoint2 = MakeMultiPoint2();
com.epl.geometry.MultiPoint multipoint3 = MakeMultiPoint3();
com.epl.geometry.Point point1 = MakePoint1();
com.epl.geometry.Point point2 = MakePoint2();
com.epl.geometry.Envelope envelope1 = MakeEnvelope1();
com.epl.geometry.Envelope envelope2 = MakeEnvelope2();
com.epl.geometry.Envelope envelope3 = MakeEnvelope3();
com.epl.geometry.Polygon outputPolygon = (com.epl.geometry.Polygon)differenceOp.Execute(polygon1, polygon2, spatialRef, null);
double area = outputPolygon.CalculateArea2D();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(area - 75) <= 0.001);
{
com.epl.geometry.Point point_1 = new com.epl.geometry.Point(-130, 10);
com.epl.geometry.Point point_2 = new com.epl.geometry.Point(-130, 10);
com.epl.geometry.Geometry baseGeom = new com.epl.geometry.Point(point_1.GetX(), point_1.GetY());
com.epl.geometry.Geometry comparisonGeom = new com.epl.geometry.Point(point_2.GetX(), point2.GetY());
com.epl.geometry.SpatialReference sr = com.epl.geometry.SpatialReference.Create(4326);
com.epl.geometry.Geometry geom = differenceOp.Execute(baseGeom, comparisonGeom, sr, null);
}
com.epl.geometry.OperatorSymmetricDifference symDifferenceOp = (com.epl.geometry.OperatorSymmetricDifference)engine.GetOperator(com.epl.geometry.Operator.Type.SymmetricDifference);
outputPolygon = (com.epl.geometry.Polygon)symDifferenceOp.Execute(polygon1, polygon2, spatialRef, null);
area = outputPolygon.CalculateArea2D();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(area - 150) <= 0.001);
com.epl.geometry.Polyline outputPolyline = (com.epl.geometry.Polyline)differenceOp.Execute(polyline1, polygon1, spatialRef, null);
double length = outputPolyline.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(length * length - 50) < 0.001);
com.epl.geometry.MultiPoint outputMultiPoint = (com.epl.geometry.MultiPoint)differenceOp.Execute(multipoint1, polygon1, spatialRef, null);
int pointCount = outputMultiPoint.GetPointCount();
NUnit.Framework.Assert.IsTrue(pointCount == 1);
outputMultiPoint = (com.epl.geometry.MultiPoint)(symDifferenceOp.Execute(multipoint1, point1, spatialRef, null));
pointCount = outputMultiPoint.GetPointCount();
NUnit.Framework.Assert.IsTrue(pointCount == 2);
outputMultiPoint = (com.epl.geometry.MultiPoint)(symDifferenceOp.Execute(multipoint1, point2, spatialRef, null));
pointCount = outputMultiPoint.GetPointCount();
NUnit.Framework.Assert.IsTrue(pointCount == 4);
outputMultiPoint = (com.epl.geometry.MultiPoint)(differenceOp.Execute(multipoint1, point1, spatialRef, null));
pointCount = outputMultiPoint.GetPointCount();
NUnit.Framework.Assert.IsTrue(pointCount == 2);
outputMultiPoint = (com.epl.geometry.MultiPoint)(differenceOp.Execute(multipoint1, point2, spatialRef, null));
pointCount = outputMultiPoint.GetPointCount();
NUnit.Framework.Assert.IsTrue(pointCount == 3);
outputPolygon = (com.epl.geometry.Polygon)(differenceOp.Execute(polygon1, envelope1, spatialRef, null));
area = outputPolygon.CalculateArea2D();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(area - 75) <= 0.001);
outputPolygon = (com.epl.geometry.Polygon)(differenceOp.Execute(polygon2, envelope2, spatialRef, null));
area = outputPolygon.CalculateArea2D();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(area - 75) <= 0.001);
outputPolyline = (com.epl.geometry.Polyline)(differenceOp.Execute(polyline1, envelope2, spatialRef, null));
length = outputPolyline.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(length * length - 50) <= 0.001);
outputMultiPoint = (com.epl.geometry.MultiPoint)(differenceOp.Execute(multipoint1, envelope2, spatialRef, null));
pointCount = outputMultiPoint.GetPointCount();
NUnit.Framework.Assert.IsTrue(pointCount == 1);
outputMultiPoint = (com.epl.geometry.MultiPoint)(differenceOp.Execute(multipoint2, envelope2, spatialRef, null));
pointCount = outputMultiPoint.GetPointCount();
NUnit.Framework.Assert.IsTrue(pointCount == 6);
outputMultiPoint = (com.epl.geometry.MultiPoint)(differenceOp.Execute(multipoint3, envelope2, spatialRef, null));
pointCount = outputMultiPoint.GetPointCount();
NUnit.Framework.Assert.IsTrue(pointCount == 0);
com.epl.geometry.Point outputPoint = (com.epl.geometry.Point)(differenceOp.Execute(point1, envelope2, spatialRef, null));
NUnit.Framework.Assert.IsTrue(!outputPoint.IsEmpty());
outputPoint = (com.epl.geometry.Point)(differenceOp.Execute(point2, envelope2, spatialRef, null));
NUnit.Framework.Assert.IsTrue(outputPoint.IsEmpty());
outputPolygon = (com.epl.geometry.Polygon)(differenceOp.Execute(envelope3, envelope2, spatialRef, null));
NUnit.Framework.Assert.IsTrue(outputPolygon != null && outputPolygon.IsEmpty());
outputPolygon = (com.epl.geometry.Polygon)(symDifferenceOp.Execute(envelope3, envelope3, spatialRef, null));
NUnit.Framework.Assert.IsTrue(outputPolygon != null && outputPolygon.IsEmpty());
outputPoint = (com.epl.geometry.Point)(differenceOp.Execute(point1, polygon1, spatialRef, null));
NUnit.Framework.Assert.IsTrue(outputPoint != null);
}
/// <exception cref="com.fasterxml.jackson.core.JsonParseException"/>
/// <exception cref="System.IO.IOException"/>
internal virtual bool TestPolygon()
{
bool bAnswer = true;
com.epl.geometry.Polygon polygon = new com.epl.geometry.Polygon();
polygon.StartPath(-97.06138, 32.837);
polygon.LineTo(-97.06133, 32.836);
polygon.LineTo(-97.06124, 32.834);
polygon.LineTo(-97.06127, 32.832);
polygon.StartPath(-97.06326, 32.759);
polygon.LineTo(-97.06298, 32.755);
{
com.fasterxml.jackson.core.JsonParser polygonPathsWgs84Parser = factory.CreateParser(com.epl.geometry.GeometryEngine.GeometryToJson(spatialReferenceWGS84, polygon));
com.epl.geometry.MapGeometry mPolygonWGS84MP = com.epl.geometry.GeometryEngine.JsonToGeometry(polygonPathsWgs84Parser);
NUnit.Framework.Assert.IsTrue(polygon.GetPointCount() + 1 == ((com.epl.geometry.Polygon)mPolygonWGS84MP.GetGeometry()).GetPointCount());
NUnit.Framework.Assert.IsTrue(polygon.GetPoint(0).GetX() == ((com.epl.geometry.Polygon)mPolygonWGS84MP.GetGeometry()).GetPoint(0).GetX());
NUnit.Framework.Assert.IsTrue(polygon.GetPoint(0).GetY() == ((com.epl.geometry.Polygon)mPolygonWGS84MP.GetGeometry()).GetPoint(0).GetY());
NUnit.Framework.Assert.IsTrue(polygon.GetPathCount() == ((com.epl.geometry.Polygon)mPolygonWGS84MP.GetGeometry()).GetPathCount());
NUnit.Framework.Assert.IsTrue(polygon.GetSegmentCount() + 1 == ((com.epl.geometry.Polygon)mPolygonWGS84MP.GetGeometry()).GetSegmentCount());
NUnit.Framework.Assert.IsTrue(polygon.GetSegmentCount(0) == ((com.epl.geometry.Polygon)mPolygonWGS84MP.GetGeometry()).GetSegmentCount(0));
NUnit.Framework.Assert.IsTrue(polygon.GetSegmentCount(1) + 1 == ((com.epl.geometry.Polygon)mPolygonWGS84MP.GetGeometry()).GetSegmentCount(1));
int lastIndex = polygon.GetPointCount() - 1;
NUnit.Framework.Assert.IsTrue(polygon.GetPoint(lastIndex).GetX() == ((com.epl.geometry.Polygon)mPolygonWGS84MP.GetGeometry()).GetPoint(lastIndex).GetX());
NUnit.Framework.Assert.IsTrue(polygon.GetPoint(lastIndex).GetY() == ((com.epl.geometry.Polygon)mPolygonWGS84MP.GetGeometry()).GetPoint(lastIndex).GetY());
NUnit.Framework.Assert.IsTrue(spatialReferenceWGS84.GetID() == mPolygonWGS84MP.GetSpatialReference().GetID());
if (!CheckResultSpatialRef(mPolygonWGS84MP, 4326, 0))
{
bAnswer = false;
}
}
{
com.epl.geometry.Polygon p = new com.epl.geometry.Polygon();
p.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
p.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
string s = com.epl.geometry.GeometryEngine.GeometryToJson(spatialReferenceWebMerc1, p);
NUnit.Framework.Assert.IsTrue(s.Equals("{\"hasZ\":true,\"hasM\":true,\"rings\":[],\"spatialReference\":{\"wkid\":102100,\"latestWkid\":3857}}"));
p.StartPath(0, 0);
p.LineTo(0, 1);
p.LineTo(4, 4);
p.StartPath(2, 2);
p.LineTo(3, 3);
p.LineTo(7, 8);
p.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 0, 0, 3);
p.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 1, 0, 7);
p.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 2, 0, 5);
p.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 5, 0, 5);
s = com.epl.geometry.GeometryEngine.GeometryToJson(spatialReferenceWebMerc1, p);
NUnit.Framework.Assert.IsTrue(s.Equals("{\"hasZ\":true,\"hasM\":true,\"rings\":[[[0,0,3,null],[0,1,0,7],[4,4,0,5],[0,0,3,null]],[[2,2,0,null],[3,3,0,null],[7,8,0,5],[2,2,0,null]]],\"spatialReference\":{\"wkid\":102100,\"latestWkid\":3857}}"));
}
{
// Test Import Polygon from Polygon
string rings = "{\"hasZ\": true, \"rings\" : [ [ [0,0, 5], [0.0, 10.0, 5], [10.0,10.0, 5, 66666], [10.0,0.0, 5] ], [ [12, 12] ], [ [13 , 17], [13 , 17] ], [ [1.0, 1.0, 5, 66666], [9.0,1.0, 5], [9.0,9.0, 5], [1.0,9.0, 5], [1.0, 1.0, 5] ] ] }";
com.epl.geometry.MapGeometry mapGeometry = com.epl.geometry.GeometryEngine.JsonToGeometry(factory.CreateParser(rings));
com.epl.geometry.Polygon p = (com.epl.geometry.Polygon)mapGeometry.GetGeometry();
double area = p.CalculateArea2D();
double length = p.CalculateLength2D();
NUnit.Framework.Assert.IsTrue(p.GetPathCount() == 4);
int count = p.GetPointCount();
NUnit.Framework.Assert.IsTrue(count == 15);
NUnit.Framework.Assert.IsTrue(p.HasAttribute(com.epl.geometry.VertexDescription.Semantics.Z));
NUnit.Framework.Assert.IsTrue(!p.HasAttribute(com.epl.geometry.VertexDescription.Semantics.M));
}
return(bAnswer);
}
