public virtual void TestBufferPolyline()
{
com.epl.geometry.SpatialReference sr = com.epl.geometry.SpatialReference.Create(4326);
com.epl.geometry.Polyline inputGeom = new com.epl.geometry.Polyline();
com.epl.geometry.OperatorBuffer buffer = (com.epl.geometry.OperatorBuffer)com.epl.geometry.OperatorFactoryLocal.GetInstance().GetOperator(com.epl.geometry.Operator.Type.Buffer);
com.epl.geometry.OperatorSimplify simplify = (com.epl.geometry.OperatorSimplify)com.epl.geometry.OperatorFactoryLocal.GetInstance().GetOperator(com.epl.geometry.Operator.Type.Simplify);
inputGeom.StartPath(0, 0);
inputGeom.LineTo(50, 50);
inputGeom.LineTo(50, 0);
inputGeom.LineTo(0, 50);
{
com.epl.geometry.Geometry result = buffer.Execute(inputGeom, sr, 0, null);
NUnit.Framework.Assert.IsTrue(result.GetType().Value() == com.epl.geometry.Geometry.GeometryType.Polygon);
NUnit.Framework.Assert.IsTrue(result.IsEmpty());
}
{
com.epl.geometry.Geometry result = buffer.Execute(inputGeom, sr, -1, null);
NUnit.Framework.Assert.IsTrue(result.GetType().Value() == com.epl.geometry.Geometry.GeometryType.Polygon);
NUnit.Framework.Assert.IsTrue(result.IsEmpty());
}
{
com.epl.geometry.Geometry result = buffer.Execute(inputGeom, sr, 40.0, null);
NUnit.Framework.Assert.IsTrue(result.GetType().Value() == com.epl.geometry.Geometry.GeometryType.Polygon);
com.epl.geometry.Polygon poly = (com.epl.geometry.Polygon)(result);
com.epl.geometry.Envelope2D env2D = new com.epl.geometry.Envelope2D();
result.QueryEnvelope2D(env2D);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(env2D.GetWidth() - 80 - 50) < 0.1 && System.Math.Abs(env2D.GetHeight() - 80 - 50) < 0.1);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(env2D.GetCenterX() - 25) < 0.1 && System.Math.Abs(env2D.GetCenterY() - 25) < 0.1);
int pathCount = poly.GetPathCount();
NUnit.Framework.Assert.IsTrue(pathCount == 1);
int pointCount = poly.GetPointCount();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(pointCount - 171.0) < 10);
NUnit.Framework.Assert.IsTrue(simplify.IsSimpleAsFeature(result, sr, null));
}
{
com.epl.geometry.Geometry result = buffer.Execute(inputGeom, sr, 4.0, null);
NUnit.Framework.Assert.IsTrue(result.GetType().Value() == com.epl.geometry.Geometry.GeometryType.Polygon);
com.epl.geometry.Polygon poly = (com.epl.geometry.Polygon)(result);
com.epl.geometry.Envelope2D env2D = new com.epl.geometry.Envelope2D();
result.QueryEnvelope2D(env2D);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(env2D.GetWidth() - 8 - 50) < 0.1 && System.Math.Abs(env2D.GetHeight() - 8 - 50) < 0.1);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(env2D.GetCenterX() - 25) < 0.1 && System.Math.Abs(env2D.GetCenterY() - 25) < 0.1);
int pathCount = poly.GetPathCount();
NUnit.Framework.Assert.IsTrue(pathCount == 2);
int pointCount = poly.GetPointCount();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(pointCount - 186.0) < 10);
NUnit.Framework.Assert.IsTrue(simplify.IsSimpleAsFeature(result, sr, null));
}
{
inputGeom = new com.epl.geometry.Polyline();
inputGeom.StartPath(0, 0);
inputGeom.LineTo(50, 50);
inputGeom.StartPath(50, 0);
inputGeom.LineTo(0, 50);
com.epl.geometry.Geometry result = buffer.Execute(inputGeom, sr, 4.0, null);
NUnit.Framework.Assert.IsTrue(result.GetType().Value() == com.epl.geometry.Geometry.GeometryType.Polygon);
com.epl.geometry.Polygon poly = (com.epl.geometry.Polygon)(result);
com.epl.geometry.Envelope2D env2D = new com.epl.geometry.Envelope2D();
result.QueryEnvelope2D(env2D);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(env2D.GetWidth() - 8 - 50) < 0.1 && System.Math.Abs(env2D.GetHeight() - 8 - 50) < 0.1);
NUnit.Framework.Assert.IsTrue(System.Math.Abs(env2D.GetCenterX() - 25) < 0.1 && System.Math.Abs(env2D.GetCenterY() - 25) < 0.1);
int pathCount = poly.GetPathCount();
NUnit.Framework.Assert.IsTrue(pathCount == 1);
int pointCount = poly.GetPointCount();
NUnit.Framework.Assert.IsTrue(System.Math.Abs(pointCount - 208.0) < 10);
NUnit.Framework.Assert.IsTrue(simplify.IsSimpleAsFeature(result, sr, null));
}
{
inputGeom = new com.epl.geometry.Polyline();
inputGeom.StartPath(1.762614, 0.607368);
inputGeom.LineTo(1.762414, 0.606655);
inputGeom.LineTo(1.763006, 0.607034);
inputGeom.LineTo(1.762548, 0.607135);
com.epl.geometry.Geometry result = buffer.Execute(inputGeom, sr, 0.005, null);
NUnit.Framework.Assert.IsTrue(simplify.IsSimpleAsFeature(result, sr, 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);
}
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);
}
}
private static void ShowProjectedGeometryInfo(com.epl.geometry.MapGeometry mapGeom)
{
System.Console.Out.WriteLine("\n");
com.epl.geometry.MapGeometry geom = mapGeom;
// while ((geom = geomCursor.next()) != null) {
if (geom.GetGeometry() is com.epl.geometry.Point)
{
com.epl.geometry.Point pnt = (com.epl.geometry.Point)geom.GetGeometry();
System.Console.Out.WriteLine("Point(" + pnt.GetX() + " , " + pnt.GetY() + ")");
if (geom.GetSpatialReference() == null)
{
System.Console.Out.WriteLine("No spatial reference");
}
else
{
System.Console.Out.WriteLine("wkid: " + geom.GetSpatialReference().GetID());
}
}
else
{
if (geom.GetGeometry() is com.epl.geometry.MultiPoint)
{
com.epl.geometry.MultiPoint mp = (com.epl.geometry.MultiPoint)geom.GetGeometry();
System.Console.Out.WriteLine("Multipoint has " + mp.GetPointCount() + " points.");
System.Console.Out.WriteLine("wkid: " + geom.GetSpatialReference().GetID());
}
else
{
if (geom.GetGeometry() is com.epl.geometry.Polygon)
{
com.epl.geometry.Polygon mp = (com.epl.geometry.Polygon)geom.GetGeometry();
System.Console.Out.WriteLine("Polygon has " + mp.GetPointCount() + " points and " + mp.GetPathCount() + " parts.");
if (mp.GetPathCount() > 1)
{
System.Console.Out.WriteLine("Part start of 2nd segment : " + mp.GetPathStart(1));
System.Console.Out.WriteLine("Part end of 2nd segment : " + mp.GetPathEnd(1));
System.Console.Out.WriteLine("Part size of 2nd segment : " + mp.GetPathSize(1));
int start = mp.GetPathStart(1);
int end = mp.GetPathEnd(1);
for (int i = start; i < end; i++)
{
com.epl.geometry.Point pp = mp.GetPoint(i);
System.Console.Out.WriteLine("Point(" + i + ") = (" + pp.GetX() + ", " + pp.GetY() + ")");
}
}
System.Console.Out.WriteLine("wkid: " + geom.GetSpatialReference().GetID());
}
else
{
if (geom.GetGeometry() is com.epl.geometry.Polyline)
{
com.epl.geometry.Polyline mp = (com.epl.geometry.Polyline)geom.GetGeometry();
System.Console.Out.WriteLine("Polyline has " + mp.GetPointCount() + " points and " + mp.GetPathCount() + " parts.");
System.Console.Out.WriteLine("Part start of 2nd segment : " + mp.GetPathStart(1));
System.Console.Out.WriteLine("Part end of 2nd segment : " + mp.GetPathEnd(1));
System.Console.Out.WriteLine("Part size of 2nd segment : " + mp.GetPathSize(1));
int start = mp.GetPathStart(1);
int end = mp.GetPathEnd(1);
for (int i = start; i < end; i++)
{
com.epl.geometry.Point pp = mp.GetPoint(i);
System.Console.Out.WriteLine("Point(" + i + ") = (" + pp.GetX() + ", " + pp.GetY() + ")");
}
System.Console.Out.WriteLine("wkid: " + geom.GetSpatialReference().GetID());
}
}
}
}
}
