public static void testClipGeometries()
{
// RandomTest();
com.esri.core.geometry.OperatorFactoryLocal engine = com.esri.core.geometry.OperatorFactoryLocal
.getInstance();
com.esri.core.geometry.OperatorClip clipOp = (com.esri.core.geometry.OperatorClip
)engine.getOperator(com.esri.core.geometry.Operator.Type.Clip);
com.esri.core.geometry.Polygon polygon = makePolygon();
com.esri.core.geometry.SimpleGeometryCursor polygonCurs = new com.esri.core.geometry.SimpleGeometryCursor
(polygon);
com.esri.core.geometry.Polyline polyline = makePolyline();
com.esri.core.geometry.SimpleGeometryCursor polylineCurs = new com.esri.core.geometry.SimpleGeometryCursor
(polyline);
com.esri.core.geometry.MultiPoint multipoint = makeMultiPoint();
com.esri.core.geometry.SimpleGeometryCursor multipointCurs = new com.esri.core.geometry.SimpleGeometryCursor
(multipoint);
com.esri.core.geometry.Point point = makePoint();
com.esri.core.geometry.SimpleGeometryCursor pointCurs = new com.esri.core.geometry.SimpleGeometryCursor
(point);
com.esri.core.geometry.SpatialReference spatialRef = com.esri.core.geometry.SpatialReference
.create(3857);
com.esri.core.geometry.Envelope2D envelope = new com.esri.core.geometry.Envelope2D
();
envelope.xmin = 0;
envelope.xmax = 20;
envelope.ymin = 5;
envelope.ymax = 15;
// Cursor implementation
com.esri.core.geometry.GeometryCursor clipPolygonCurs = clipOp.execute(polygonCurs
, envelope, spatialRef, null);
com.esri.core.geometry.Polygon clippedPolygon = (com.esri.core.geometry.Polygon)clipPolygonCurs
.next();
double area = clippedPolygon.calculateArea2D();
NUnit.Framework.Assert.IsTrue(System.Math.abs(area - 25) < 0.00001);
// Single Geometry implementation
clippedPolygon = (com.esri.core.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.esri.core.geometry.GeometryCursor clipPolylineCurs = clipOp.execute(polylineCurs
, envelope, spatialRef, null);
com.esri.core.geometry.Polyline clippedPolyline = (com.esri.core.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.esri.core.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.esri.core.geometry.GeometryCursor clipMulti_pointCurs = clipOp.execute(multipointCurs
, envelope, spatialRef, null);
com.esri.core.geometry.MultiPoint clipped_multi_point = (com.esri.core.geometry.MultiPoint
)clipMulti_pointCurs.next();
int pointCount = clipped_multi_point.getPointCount();
NUnit.Framework.Assert.IsTrue(pointCount == 2);
// Cursor implementation
com.esri.core.geometry.GeometryCursor clipPointCurs = clipOp.execute(pointCurs, envelope
, spatialRef, null);
com.esri.core.geometry.Point clippedPoint = (com.esri.core.geometry.Point)clipPointCurs
.next();
NUnit.Framework.Assert.IsTrue(clippedPoint != null);
// RandomTest();
com.esri.core.geometry.Polyline _poly = new com.esri.core.geometry.Polyline();
_poly.startPath(2, 2);
_poly.lineTo(0, 0);
com.esri.core.geometry.Envelope2D _env = new com.esri.core.geometry.Envelope2D();
_env.setCoords(2, 1, 5, 3);
com.esri.core.geometry.Polyline _clippedPolyline = (com.esri.core.geometry.Polyline
)clipOp.execute(_poly, _env, spatialRef, null);
NUnit.Framework.Assert.IsTrue(_clippedPolyline.isEmpty());
{
com.esri.core.geometry.Polygon poly = new com.esri.core.geometry.Polygon();
poly.addEnvelope(new com.esri.core.geometry.Envelope2D(0, 0, 100, 100), false);
poly.addEnvelope(new com.esri.core.geometry.Envelope2D(5, 5, 95, 95), true);
com.esri.core.geometry.Polygon clippedPoly = (com.esri.core.geometry.Polygon)clipOp
.execute(poly, new com.esri.core.geometry.Envelope2D(-10, -10, 110, 50), spatialRef
, null);
NUnit.Framework.Assert.IsTrue(clippedPoly.getPathCount() == 1);
NUnit.Framework.Assert.IsTrue(clippedPoly.getPointCount() == 8);
}
}
