/**
* Added this test after a bug was reported in JTS.transform for converting between WGS84 (2D) and
* DefaultGeocentric.CARTESIAN (3D).
*/
@Test
public void transformCoordinate2DCRSTo3D() throws Exception {
CoordinateReferenceSystem srcCRS = DefaultGeographicCRS.WGS84;
CoordinateReferenceSystem targetCRS = DefaultGeocentricCRS.CARTESIAN;
MathTransform transform = CRS.findMathTransform(srcCRS, targetCRS);
Coordinate srcCoord = new Coordinate(0, 0);
Coordinate dest0 = JTS.transform(srcCoord, null, transform);
srcCoord.x = 180;
Coordinate dest180 = JTS.transform(srcCoord, null, transform);
// Only a perfunctory check on the return values - mostly we
// just wanted to make sure there was no exception
assertEquals(dest0.x, -dest180.x, TOL);
assertEquals(dest0.y, dest180.y, TOL);
assertEquals(dest0.z, dest180.z, TOL);
}
@Test
public void toEnvelope() {
Coordinate[] coords = getPolyCoords();
GeometryFactory gf = new GeometryFactory();
Geometry geom = gf.createPolygon(gf.createLinearRing(coords), null);
ReferencedEnvelope refEnv = JTS.toEnvelope(geom);
assertTrue(geom.getEnvelopeInternal().equals(refEnv));
}
@Test
public void getEnvelope2D() {
ReferencedEnvelope refEnv = new ReferencedEnvelope(-10, 10, -5, 5, DefaultGeographicCRS.WGS84);
Envelope2D env2D = JTS.getEnvelope2D(refEnv, refEnv.getCoordinateReferenceSystem());
CRS.equalsIgnoreMetadata(
refEnv.getCoordinateReferenceSystem(), env2D.getCoordinateReferenceSystem());
assertTrue(env2D.boundsEquals(refEnv, 0, 1, TOL));
}
@Test
public void toDirectPosition() {
Coordinate c = new Coordinate(40, 40);
DirectPosition wrapper = JTS.toDirectPosition(c, DefaultGeographicCRS.WGS84);
GeneralDirectPosition expected = new GeneralDirectPosition(DefaultGeographicCRS.WGS84);
expected.setOrdinate(0, 40);
expected.setOrdinate(1, 40);
assertEquals(expected, wrapper);
}
@Test
public void toGeometry_BoundingBox() {
BoundingBox bbox = new ReferencedEnvelope(-10, 10, -5, 5, null);
Geometry geom = JTS.toGeometry(bbox);
assertTrue(geom instanceof com.vividsolutions.jts.geom.Polygon);
Envelope geomEnv = geom.getEnvelopeInternal();
assertEquals(-10.0, geomEnv.getMinX(), TOL);
assertEquals(10.0, geomEnv.getMaxX(), TOL);
assertEquals(-5.0, geomEnv.getMinY(), TOL);
assertEquals(5.0, geomEnv.getMaxY(), TOL);
}
@Test
public void toGeometry_ReferencedEnvelope() {
ReferencedEnvelope refEnv = new ReferencedEnvelope(-10, 10, -5, 5, DefaultGeographicCRS.WGS84);
Geometry geom = JTS.toGeometry(refEnv);
assertTrue(geom instanceof com.vividsolutions.jts.geom.Polygon);
Envelope geomEnv = geom.getEnvelopeInternal();
assertEquals(-10.0, geomEnv.getMinX(), TOL);
assertEquals(10.0, geomEnv.getMaxX(), TOL);
assertEquals(-5.0, geomEnv.getMinY(), TOL);
assertEquals(5.0, geomEnv.getMaxY(), TOL);
}
@Test
public void toGeometry_Envelope() {
Envelope refEnv = new Envelope(-10, 10, -5, 5);
Geometry geom = JTS.toGeometry(refEnv);
assertTrue(geom instanceof com.vividsolutions.jts.geom.Polygon);
Envelope geomEnv = geom.getEnvelopeInternal();
assertEquals(-10.0, geomEnv.getMinX(), TOL);
assertEquals(10.0, geomEnv.getMaxX(), TOL);
assertEquals(-5.0, geomEnv.getMinY(), TOL);
assertEquals(5.0, geomEnv.getMaxY(), TOL);
}
@Test
public void toGeometry_Shape_Poly() {
Shape shape = new Polygon(XPOINTS, YPOINTS, NPOINTS);
Geometry geom = JTS.toGeometry(shape);
assertTrue(geom instanceof LinearRing);
Coordinate[] coords = geom.getCoordinates();
assertEquals(NPOINTS + 1, coords.length);
CoordList list = new CoordList(coords);
Coordinate c = new Coordinate();
for (int i = 0; i < NPOINTS; i++) {
c.x = XPOINTS[i];
c.y = YPOINTS[i];
assertTrue(list.contains(c));
}
}
@Test
public void toGeometry_Shape_Line() {
GeneralPath path = new GeneralPath();
path.moveTo(XPOINTS[0], YPOINTS[0]);
for (int i = 1; i < NPOINTS; i++) {
path.lineTo(XPOINTS[i], YPOINTS[i]);
}
Geometry geom = JTS.toGeometry(path);
assertTrue(geom instanceof LineString);
Coordinate[] coords = geom.getCoordinates();
assertEquals(NPOINTS, coords.length);
CoordList list = new CoordList(coords);
Coordinate c = new Coordinate();
for (int i = 0; i < NPOINTS; i++) {
c.x = XPOINTS[i];
c.y = YPOINTS[i];
assertTrue(list.contains(c));
}
}