/**
* Transforms a LinearRing. The transformation of a LinearRing may result in a coordinate sequence
* which does not form a structurally valid ring (i.e. a degnerate ring of 3 or fewer points). In
* this case a LineString is returned. Subclasses may wish to override this method and check for
* this situation (e.g. a subclass may choose to eliminate degenerate linear rings)
*
* @param geom the ring to simplify
* @param parent the parent geometry
* @return a LinearRing if the transformation resulted in a structurally valid ring
* @return a LineString if the transformation caused the LinearRing to collapse to 3 or fewer
* points
*/
protected Geometry transformLinearRing(LinearRing geom, Geometry parent) {
CoordinateSequence seq = transformCoordinates(geom.getCoordinateSequence(), geom);
if (seq == null) return factory.createLinearRing((CoordinateSequence) null);
int seqSize = seq.size();
// ensure a valid LinearRing
if (seqSize > 0 && seqSize < 4 && !preserveType) return factory.createLineString(seq);
return factory.createLinearRing(seq);
}
Polygon createPolygon(List list) {
LinearRing shell = gf.createLinearRing(coordseq((List) ensureSize(list, 1).get(0)));
LinearRing[] holes = list.size() > 1 ? new LinearRing[list.size() - 1] : null;
for (int i = 1; i < list.size(); i++) {
holes[i - 1] = gf.createLinearRing(coordseq((List) list.get(i)));
}
return gf.createPolygon(shell, holes);
}
/** We must be able to transform specialized collections to GeometryCollectionValues */
@Test
public void testGeometryCollectionConversions() throws Exception {
Value val =
ValueFactory.createValue(
gf.createMultiPoint(
new Coordinate[] {new Coordinate(0, 0, 0), new Coordinate(1, 2, 3)}));
assertTrue(val instanceof DefaultMultiPointValue);
Value val2 = val.toType(Type.GEOMETRYCOLLECTION);
assertTrue(val2 instanceof DefaultGeometryCollectionValue);
// Let's be sure it's not a GeometryCollection just thanks to the inheritance
assertFalse(val2 instanceof DefaultMultiPointValue);
val =
ValueFactory.createValue(
gf.createMultiLineString(
new LineString[] {
gf.createLineString(
new Coordinate[] {new Coordinate(0, 0, 0), new Coordinate(4, 2, 3)}),
gf.createLineString(
new Coordinate[] {new Coordinate(5, 6, 9), new Coordinate(5, 7, 1)})
}));
assertTrue(val instanceof DefaultMultiLineStringValue);
val2 = val.toType(Type.GEOMETRYCOLLECTION);
assertTrue(val2 instanceof DefaultGeometryCollectionValue);
// Let's be sure it's not a GeometryCollection just thanks to the inheritance
assertFalse(val2 instanceof DefaultMultiPointValue);
val =
ValueFactory.createValue(
gf.createMultiPolygon(
new Polygon[] {
gf.createPolygon(
gf.createLinearRing(
new Coordinate[] {
new Coordinate(0, 3, 0),
new Coordinate(9, 0, 0),
new Coordinate(8, 7, 0),
new Coordinate(0, 3, 0)
}),
null),
gf.createPolygon(
gf.createLinearRing(
new Coordinate[] {
new Coordinate(10, 3, 0),
new Coordinate(9, 0, 0),
new Coordinate(8, 7, 0),
new Coordinate(10, 3, 0)
}),
null)
}));
assertTrue(val instanceof DefaultMultiPolygonValue);
val2 = val.toType(Type.GEOMETRYCOLLECTION);
assertTrue(val2 instanceof DefaultGeometryCollectionValue);
// Let's be sure it's not a GeometryCollection just thanks to the inheritance
assertFalse(val2 instanceof DefaultMultiPointValue);
}
/** decimates JTS geometries. */
public final Geometry decimate(Geometry geom) {
GeometryFactory gFac = new GeometryFactory(geom.getPrecisionModel(), geom.getSRID());
if (spanx == -1) return geom;
if (geom instanceof MultiPoint) {
// TODO check geometry and if its bbox is too small turn it into a 1
// point geom
return geom;
}
if (geom instanceof GeometryCollection) {
// TODO check geometry and if its bbox is too small turn it into a
// 1-2 point geom
// takes a bit of work because the geometry will need to be
// recreated.
GeometryCollection collection = (GeometryCollection) geom;
Geometry[] result = new Geometry[collection.getDimension()];
final int numGeometries = collection.getNumGeometries();
for (int i = 0; i < numGeometries; i++) {
result[i] = decimate(collection.getGeometryN(i));
}
return gFac.createGeometryCollection(result);
} else if (geom instanceof LineString) {
LineString line = (LineString) geom;
CoordinateSequence seq = (CoordinateSequence) line.getCoordinateSequence();
LiteCoordinateSequence lseq = new LiteCoordinateSequence(seq.toCoordinateArray());
if (decimateOnEnvelope(line, lseq)) {
if (lseq.size() >= 2) return gFac.createLineString(lseq);
}
if (lseq.size() >= 2) return gFac.createLineString(decimate(lseq));
return null;
} else if (geom instanceof Polygon) {
Polygon line = (Polygon) geom;
Coordinate[] exterior = decimate(line.getExteriorRing()).getCoordinates();
forceClosed(exterior);
if (exterior.length > 3) {
LinearRing ring = gFac.createLinearRing(exterior);
final int numRings = line.getNumInteriorRing();
List<LinearRing> rings = new ArrayList<LinearRing>();
for (int i = 0; i < numRings; i++) {
Coordinate[] interior = decimate(line.getInteriorRingN(i)).getCoordinates();
forceClosed(interior);
if (interior.length > 3) rings.add(gFac.createLinearRing(interior));
}
return gFac.createPolygon(ring, rings.toArray(new LinearRing[] {}));
}
return null;
}
return geom;
}
/**
* Test created to check that we effectively retrieve a good representation of empty
* multipolygons. indeed, a NullPointerException used to happen...
*
* @throws Exception
*/
@Test
public void testGeometryCollectionStringRepresentation() throws Exception {
GeometryCollection mp = gf.createMultiPolygon(new Polygon[] {});
Value val = ValueFactory.createValue(mp);
String str = val.toString();
assertEquals(str, "MULTIPOLYGON EMPTY");
Polygon poly = gf.createPolygon(gf.createLinearRing(new Coordinate[] {}), new LinearRing[] {});
assertTrue(poly.isEmpty());
mp =
gf.createMultiPolygon(
new Polygon[] {
poly,
});
val = ValueFactory.createValue(mp);
str = val.toString();
assertNotNull(str);
Polygon polyBis =
gf.createPolygon(
gf.createLinearRing(
new Coordinate[] {
new Coordinate(0, 0, 0),
new Coordinate(1, 1, 0),
new Coordinate(3, 4, 0),
new Coordinate(0, 0, 0),
}),
new LinearRing[] {});
mp = gf.createMultiPolygon(new Polygon[] {poly, polyBis});
val = ValueFactory.createValue(mp);
str = val.toString();
assertNotNull(str);
GeometryCollection coll =
gf.createGeometryCollection(
new Geometry[] {
gf.createPolygon(gf.createLinearRing(new Coordinate[] {}), new LinearRing[] {}),
gf.createPolygon(
gf.createLinearRing(
new Coordinate[] {
new Coordinate(0, 0, 0),
new Coordinate(1, 1, 0),
new Coordinate(3, 4, 0),
new Coordinate(0, 0, 0),
}),
new LinearRing[] {})
});
mp = gf.createGeometryCollection(new Geometry[] {poly, coll, polyBis});
val = ValueFactory.createValue(mp);
str = val.toString();
assertNotNull(str);
}
/**
* Convert a org.geojson.Xxxx geometry to a JTS geometry. Only support Point, Polygon,
* MultiPolygon, LineString and MultiLineString for now.
*
* @param geoJsonGeom
* @return The equivalent JTS geometry.
* @throws UnsupportedGeometryException
*/
public static Geometry convertGeoJsonToJtsGeometry(GeoJsonObject geoJsonGeom)
throws UnsupportedGeometryException {
if (geoJsonGeom instanceof org.geojson.Point) {
org.geojson.Point geoJsonPoint = (org.geojson.Point) geoJsonGeom;
return gf.createPoint(
new Coordinate(
geoJsonPoint.getCoordinates().getLongitude(),
geoJsonPoint.getCoordinates().getLatitude()));
} else if (geoJsonGeom instanceof org.geojson.Polygon) {
org.geojson.Polygon geoJsonPolygon = (org.geojson.Polygon) geoJsonGeom;
LinearRing shell = gf.createLinearRing(convertPath(geoJsonPolygon.getExteriorRing()));
LinearRing[] holes = new LinearRing[geoJsonPolygon.getInteriorRings().size()];
int i = 0;
for (List<LngLatAlt> hole : geoJsonPolygon.getInteriorRings()) {
holes[i++] = gf.createLinearRing(convertPath(hole));
}
return gf.createPolygon(shell, holes);
} else if (geoJsonGeom instanceof org.geojson.MultiPolygon) {
org.geojson.MultiPolygon geoJsonMultiPolygon = (org.geojson.MultiPolygon) geoJsonGeom;
Polygon[] jtsPolygons = new Polygon[geoJsonMultiPolygon.getCoordinates().size()];
int i = 0;
for (List<List<LngLatAlt>> geoJsonRings : geoJsonMultiPolygon.getCoordinates()) {
org.geojson.Polygon geoJsonPoly = new org.geojson.Polygon();
for (List<LngLatAlt> geoJsonRing : geoJsonRings) geoJsonPoly.add(geoJsonRing);
jtsPolygons[i++] = (Polygon) convertGeoJsonToJtsGeometry(geoJsonPoly);
}
return gf.createMultiPolygon(jtsPolygons);
} else if (geoJsonGeom instanceof org.geojson.LineString) {
org.geojson.LineString geoJsonLineString = (org.geojson.LineString) geoJsonGeom;
return gf.createLineString(convertPath(geoJsonLineString.getCoordinates()));
} else if (geoJsonGeom instanceof org.geojson.MultiLineString) {
org.geojson.MultiLineString geoJsonMultiLineString =
(org.geojson.MultiLineString) geoJsonGeom;
LineString[] jtsLineStrings = new LineString[geoJsonMultiLineString.getCoordinates().size()];
int i = 0;
for (List<LngLatAlt> geoJsonPath : geoJsonMultiLineString.getCoordinates()) {
org.geojson.LineString geoJsonLineString =
new org.geojson.LineString(geoJsonPath.toArray(new LngLatAlt[geoJsonPath.size()]));
jtsLineStrings[i++] = (LineString) convertGeoJsonToJtsGeometry(geoJsonLineString);
}
return gf.createMultiLineString(jtsLineStrings);
}
throw new UnsupportedGeometryException(geoJsonGeom.getClass().toString());
}
protected Polygon decodePolygonCoordinates(JsonNode coordinates, GeometryFactory fac)
throws GeoJSONException {
if (!coordinates.isArray()) {
throw new GeoJSONException("expected array");
}
if (coordinates.size() < 1) {
throw new GeoJSONException("missing polygon shell");
}
LinearRing shell = fac.createLinearRing(decodeCoordinates(coordinates.get(0)));
LinearRing[] holes = new LinearRing[coordinates.size() - 1];
for (int i = 1; i < coordinates.size(); ++i) {
holes[i - 1] = fac.createLinearRing(decodeCoordinates(coordinates.get(i)));
}
return fac.createPolygon(shell, holes);
}
protected Polygon toPolygon(ReferencedEnvelope env2) {
ReferencedEnvelope env = env2;
if (env == null) env = new ReferencedEnvelope(-180, 180, -90, 90, DefaultGeographicCRS.WGS84);
AttributeDescriptor att = mapper.getSchema().getDescriptor(mapper.getBounds());
CoordinateReferenceSystem crs = null;
if (att instanceof GeometryDescriptor)
crs = ((GeometryDescriptor) att).getCoordinateReferenceSystem();
if (crs == null) crs = DefaultGeographicCRS.WGS84;
GeometryFactory factory = new GeometryFactory();
try {
env = env.transform(crs, true);
} catch (Exception e) {
IssuesActivator.log("", e); // $NON-NLS-1$
}
return factory.createPolygon(
factory.createLinearRing(
new Coordinate[] {
new Coordinate(env.getMinX(), env.getMinY()),
new Coordinate(env.getMaxX(), env.getMinY()),
new Coordinate(env.getMaxX(), env.getMaxY()),
new Coordinate(env.getMinX(), env.getMaxY()),
new Coordinate(env.getMinX(), env.getMinY()),
}),
new LinearRing[0]);
}
private SimpleFeature createPolyFeature(
int startx,
int starty,
int width,
int height,
String name,
CoordinateReferenceSystem crs,
GeometryFactory geomFac)
throws Exception {
Coordinate[] c =
new Coordinate[] {
new Coordinate(startx, starty),
new Coordinate(startx + width, starty),
new Coordinate(startx + width, starty + height),
new Coordinate(startx, starty),
};
LinearRing line = geomFac.createLinearRing(c);
Polygon poly = geomFac.createPolygon(line, null);
SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
if (crs != null) builder.add("polygon", poly.getClass(), crs);
else builder.add("centre", line.getClass());
builder.add("name", String.class);
builder.setName(Rendering2DTest.POLYGON);
SimpleFeatureType type = builder.buildFeatureType();
return SimpleFeatureBuilder.build(type, new Object[] {poly, name}, null);
}
private LinearRing[] parseInteriorRings(JsonNode arrayOfRings) {
LinearRing rings[] = new LinearRing[arrayOfRings.size() - 1];
for (int i = 1; i < arrayOfRings.size(); ++i) {
rings[i - 1] = gf.createLinearRing(parseLineString(arrayOfRings.get(i)));
}
return rings;
}
private void updateGeometry() {
final List<Geometry> geoms = new ArrayList<>();
if (coords.size() == 1) {
// single point
final Geometry geom = GEOMETRY_FACTORY.createPoint(coords.get(0));
JTS.setCRS(geom, map.getCanvas().getObjectiveCRS2D());
geoms.add(geom);
} else if (coords.size() == 2) {
// line
final Geometry geom =
GEOMETRY_FACTORY.createLineString(coords.toArray(new Coordinate[coords.size()]));
JTS.setCRS(geom, map.getCanvas().getObjectiveCRS2D());
geoms.add(geom);
} else if (coords.size() > 2) {
// polygon
final Coordinate[] ringCoords = coords.toArray(new Coordinate[coords.size() + 1]);
ringCoords[coords.size()] = coords.get(0);
final LinearRing ring = GEOMETRY_FACTORY.createLinearRing(ringCoords);
final Geometry geom = GEOMETRY_FACTORY.createPolygon(ring, new LinearRing[0]);
JTS.setCRS(geom, map.getCanvas().getObjectiveCRS2D());
geoms.add(geom);
}
layer.getGeometries().setAll(geoms);
if (geoms.isEmpty()) {
uiArea.setText("-");
} else {
uiArea.setText(
NumberFormat.getNumberInstance()
.format(
MeasureUtilities.calculateArea(
geoms.get(0), map.getCanvas().getObjectiveCRS2D(), uiUnit.getValue())));
}
}
@Test
public void testLenght() throws NoSuchIdentifierException, ProcessException {
GeometryFactory fact = new GeometryFactory();
// Inputs first
final LinearRing ring =
fact.createLinearRing(
new Coordinate[] {
new Coordinate(0.0, 0.0),
new Coordinate(0.0, 10.0),
new Coordinate(5.0, 10.0),
new Coordinate(5.0, 0.0),
new Coordinate(0.0, 0.0)
});
final Geometry geom1 = fact.createPolygon(ring, null);
// Process
final ProcessDescriptor desc = ProcessFinder.getProcessDescriptor("jts", "lenght");
final ParameterValueGroup in = desc.getInputDescriptor().createValue();
in.parameter("geom").setValue(geom1);
final org.geotoolkit.process.Process proc = desc.createProcess(in);
// result
final Double result = (Double) proc.call().parameter("result").getValue();
final Double expected = geom1.getLength();
assertTrue(expected.equals(result));
}
@Test
public void test3DGeoms() throws Exception {
Coordinate[] coords2D =
new Coordinate[] {
new Coordinate(10, 10, 10),
new Coordinate(40, 10, 10),
new Coordinate(40, 40, 10),
new Coordinate(10, 40, 10),
new Coordinate(10, 10, 10),
};
Coordinate[] coords3D =
new Coordinate[] {
new Coordinate(10, 10),
new Coordinate(40, 10),
new Coordinate(40, 40),
new Coordinate(10, 40),
new Coordinate(10, 10),
};
Value p1 = ValueFactory.createValue(gf.createPoint(new Coordinate(10, 10, 10)));
Value p2 = ValueFactory.createValue(gf.createPoint(new Coordinate(10, 10)));
checkDifferent(p1, p2);
LineString l1 = gf.createLineString(coords2D);
p1 = ValueFactory.createValue(l1);
LineString l2 = gf.createLineString(coords3D);
p2 = ValueFactory.createValue(l2);
checkDifferent(p1, p2);
p1 = ValueFactory.createValue(gf.createMultiPoint(coords2D));
p2 = ValueFactory.createValue(gf.createMultiPoint(coords3D));
checkDifferent(p1, p2);
Polygon pol1 = gf.createPolygon(gf.createLinearRing(coords2D), null);
p1 = ValueFactory.createValue(pol1);
Polygon pol2 = gf.createPolygon(gf.createLinearRing(coords3D), null);
p2 = ValueFactory.createValue(pol2);
checkDifferent(p1, p2);
p1 = ValueFactory.createValue(gf.createMultiLineString(new LineString[] {l1}));
p2 = ValueFactory.createValue(gf.createMultiLineString(new LineString[] {l2}));
checkDifferent(p1, p2);
p1 = ValueFactory.createValue(gf.createMultiPolygon(new Polygon[] {pol1}));
p2 = ValueFactory.createValue(gf.createMultiPolygon(new Polygon[] {pol2}));
checkDifferent(p1, p2);
}
// public void testEquals2() throws Exception {
// Geometry lineString = reader.read("LINESTRING(0 0, 0 50, 50 50, 50 0, 0 0)");
// Geometry geometryCollection = reader.read("GEOMETRYCOLLECTION ( LINESTRING(0 0 , 0 50), "
// + "LINESTRING(0 50 , 50 50), "
// + "LINESTRING(50 50, 50 0 ), "
// + "LINESTRING(50 0 , 0 0 )
// )");
// assertTrue(lineString.equals(geometryCollection));
// }
public void testEqualsExactForLinearRings() throws Exception {
LinearRing x =
geometryFactory.createLinearRing(
new Coordinate[] {
new Coordinate(0, 0), new Coordinate(100, 0),
new Coordinate(100, 100), new Coordinate(0, 0)
});
LinearRing somethingExactlyEqual =
geometryFactory.createLinearRing(
new Coordinate[] {
new Coordinate(0, 0), new Coordinate(100, 0),
new Coordinate(100, 100), new Coordinate(0, 0)
});
LinearRing somethingNotEqualButSameClass =
geometryFactory.createLinearRing(
new Coordinate[] {
new Coordinate(0, 0), new Coordinate(100, 0),
new Coordinate(100, 555), new Coordinate(0, 0)
});
LinearRing sameClassButEmpty = geometryFactory.createLinearRing((CoordinateSequence) null);
LinearRing anotherSameClassButEmpty =
geometryFactory.createLinearRing((CoordinateSequence) null);
CollectionFactory collectionFactory =
new CollectionFactory() {
public Geometry createCollection(Geometry[] geometries) {
return geometryFactory.createMultiLineString(
GeometryFactory.toLineStringArray(Arrays.asList(geometries)));
}
};
doTestEqualsExact(
x,
somethingExactlyEqual,
somethingNotEqualButSameClass,
sameClassButEmpty,
anotherSameClassButEmpty,
collectionFactory);
// LineString somethingEqualButNotExactly = geometryFactory.createLineString(new Coordinate[]
// {
// new Coordinate(0, 0), new Coordinate(100, 0), new Coordinate(100, 100),
// new Coordinate(0, 0) });
//
// doTestEqualsExact(x, somethingExactlyEqual, somethingEqualButNotExactly,
// somethingNotEqualButSameClass);
}
public LinearRing nextLinearRing(final Envelope envelope) {
LinearRing result;
do {
final CoordinateList cl = new CoordinateList(nextLineString(envelope).getCoordinates());
cl.closeRing();
result = gf.createLinearRing(cl.toCoordinateArray());
} while (!result.isValid());
return result;
}
@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));
}
private static LinearRing getLinearRing3D() {
return gf.createLinearRing(
new Coordinate[] {
new Coordinate(0, 2, 0),
new Coordinate(10, 2, 0),
new Coordinate(110, 22, 0),
new Coordinate(10, 62, 240),
new Coordinate(0, 2, 0)
});
}
private LinearRing createHoleRing(GeometryFactory factory, int offset) {
return factory.createLinearRing(
new Coordinate[] {
new Coordinate(offset + 5, 7),
new Coordinate(offset + 8, 7),
new Coordinate(offset + 8, 8),
new Coordinate(offset + 5, 8),
new Coordinate(offset + 5, 7)
});
}
private LinearRing createShellRing(GeometryFactory factory, int offset) {
return factory.createLinearRing(
new Coordinate[] {
new Coordinate(offset + 0, 5),
new Coordinate(offset + 10, 5),
new Coordinate(offset + 10, 10),
new Coordinate(offset + 0, 10),
new Coordinate(offset + 0, 5)
});
}
public static LinearRing getLinearRing() {
return gf.createLinearRing(
new Coordinate[] {
new Coordinate(0, 0),
new Coordinate(10, 0),
new Coordinate(110, 0),
new Coordinate(10, 240),
new Coordinate(0, 0)
});
}
public void testHeterogeneous() throws Exception {
Node node =
createNode(
gcol,
new ElementInstance[] {point1, point2, line1, ring1, poly1},
new Object[] {
gf.createPoint(new Coordinate(0, 0)),
gf.createPoint(new Coordinate(1, 1)),
gf.createLineString(new Coordinate[] {new Coordinate(0, 0), new Coordinate(1, 1)}),
gf.createLinearRing(
new Coordinate[] {
new Coordinate(0, 0),
new Coordinate(1, 1),
new Coordinate(2, 2),
new Coordinate(0, 0)
}),
gf.createPolygon(
gf.createLinearRing(
new Coordinate[] {
new Coordinate(0, 0),
new Coordinate(1, 1),
new Coordinate(2, 2),
new Coordinate(0, 0)
}),
null)
},
null,
null);
GMLGeometryCollectionTypeBinding s =
(GMLGeometryCollectionTypeBinding)
container.getComponentInstanceOfType(GMLGeometryCollectionTypeBinding.class);
GeometryCollection gc = (GeometryCollection) s.parse(gcol, node, null);
assertNotNull(gc);
assertEquals(gc.getNumGeometries(), 5);
assertTrue(gc.getGeometryN(0) instanceof Point);
assertTrue(gc.getGeometryN(1) instanceof Point);
assertTrue(gc.getGeometryN(2) instanceof LineString);
assertTrue(gc.getGeometryN(3) instanceof LinearRing);
assertTrue(gc.getGeometryN(4) instanceof Polygon);
}
/**
* Returns this ring as a {@link LinearRing}, or null if an Exception occurs while creating it
* (such as a topology problem). Details of problems are written to standard output.
*/
public LinearRing getRing() {
if (ring != null) return ring;
getCoordinates();
if (ringPts.length < 3) System.out.println(ringPts);
try {
ring = factory.createLinearRing(ringPts);
} catch (Exception ex) {
System.out.println(ringPts);
}
return ring;
}
public void testUnclosedLinearRing() {
try {
geometryFactory.createLinearRing(
new Coordinate[] {
new Coordinate(0, 0), new Coordinate(1, 0), new Coordinate(1, 1), new Coordinate(2, 1)
});
assertTrue(false);
} catch (Exception e) {
assertTrue(e instanceof IllegalArgumentException);
}
}
@Test
public void createComplexGeometryCollectionTest() throws Exception {
Coordinate ptc = new Coordinate(10, 20);
Point point = geometryFactory.createPoint(ptc);
point.setSRID(4326);
Coordinate[] lsc = new Coordinate[8];
lsc[0] = new Coordinate(5.0d, 5.0d);
lsc[1] = new Coordinate(6.0d, 5.0d);
lsc[2] = new Coordinate(6.0d, 6.0d);
lsc[3] = new Coordinate(7.0d, 6.0d);
lsc[4] = new Coordinate(7.0d, 7.0d);
lsc[5] = new Coordinate(8.0d, 7.0d);
lsc[6] = new Coordinate(8.0d, 8.0d);
lsc[7] = new Coordinate(9.0d, 9.0d);
LineString lineString = geometryFactory.createLineString(lsc);
lineString.setSRID(4326);
Coordinate[] lrc = new Coordinate[10];
lrc[0] = new Coordinate(7, 7);
lrc[1] = new Coordinate(6, 9);
lrc[2] = new Coordinate(6, 11);
lrc[3] = new Coordinate(7, 12);
lrc[4] = new Coordinate(9, 11);
lrc[5] = new Coordinate(11, 12);
lrc[6] = new Coordinate(13, 11);
lrc[7] = new Coordinate(13, 9);
lrc[8] = new Coordinate(11, 7);
lrc[9] = new Coordinate(7, 7);
LinearRing linearRing = geometryFactory.createLinearRing(lrc);
linearRing.setSRID(4326);
Geometry polygon =
reader.read(
"POLYGON ((35 10, 10 20, 15 40," + " 45 45, 35 10), (20 30, 35 35, 30 20, 20 30))");
polygon.setSRID(4326);
Geometry multiPoint = reader.read("MULTIPOINT ((10 40), (40 30), " + "(20 20), (30 10))");
multiPoint.setSRID(4326);
Geometry multiPolygon =
reader.read(
"MULTIPOLYGON (((40 40, 20 45,"
+ " 45 30, 40 40)), ((20 35, 45 20, 30 5, "
+ "10 10, 10 30, 20 35), (30 20, 20 25, 20 15, 30 20)))");
multiPolygon.setSRID(4326);
GeometryCollection geometryCollection =
new GeometryCollection(
new Geometry[] {point, linearRing, lineString, polygon, multiPoint, multiPolygon},
geometryFactory);
String geometryCollectionGeoJsonString = mapper.writeValueAsString(geometryCollection);
logger.info(
":::::::::::::::::::::::GEO_JSON_GEOMETRY_COLLECTION : \n{}\n",
geometryCollectionGeoJsonString);
org.geojson.GeometryCollection p =
mapper.readValue(geometryCollectionGeoJsonString, org.geojson.GeometryCollection.class);
mapper.writeValue(new File("./target/GeometryCollectionComplex.json"), p);
}
private LinearRing parseLinearRing(final int dimension, CoordinateReferenceSystem crs)
throws XmlPullParserException, IOException, NoSuchAuthorityCodeException, FactoryException {
parser.require(START_TAG, GML.NAMESPACE, GML.LinearRing.getLocalPart());
crs = crs(crs);
Coordinate[] lineCoords = parseLineStringInternal(dimension, crs);
parser.require(END_TAG, GML.NAMESPACE, GML.LinearRing.getLocalPart());
LinearRing linearRing = geomFac.createLinearRing(lineCoords);
linearRing.setUserData(crs);
return linearRing;
}
@Test
public void testMovePointOnGeometry() throws Exception {
GeometryFactory fac = new GeometryFactory();
double[] coords = new double[] {10, 10, 10, 20, 10, 30, 30, 30, 20, 30, 10, 10};
LinearRing ring = fac.createLinearRing(new PackedCoordinateSequenceFactory().create(coords, 2));
Polygon poly = fac.createPolygon(ring, new LinearRing[0]);
bb.clear();
geom = bb.addGeometry(poly, "poly").values().iterator().next();
bb.moveCoords(10, 10, 0, 10);
}
/**
* @param env GeneralEnvelope
* @return Polygon object with the same boundary as env
*/
protected Polygon polyFromEnvelope(GeneralEnvelope env) {
GeometryFactory factory = new GeometryFactory();
Coordinate[] coords =
new Coordinate[] {
new Coordinate(env.getMinimum(0), env.getMinimum(1)),
new Coordinate(env.getMinimum(0), env.getMaximum(1)),
new Coordinate(env.getMaximum(0), env.getMaximum(1)),
new Coordinate(env.getMaximum(0), env.getMinimum(1)),
new Coordinate(env.getMinimum(0), env.getMinimum(1))
};
return factory.createPolygon(factory.createLinearRing(coords), new LinearRing[0]);
}
@Test
public void polygonWithHoles() throws Exception {
LinearRing shell =
gf.createLinearRing(
new Coordinate[] {
new Coordinate(102.0, 2.0), new Coordinate(103.0, 2.0),
new Coordinate(103.0, 3.0), new Coordinate(102.0, 3.0),
new Coordinate(102.0, 2.0)
});
LinearRing[] holes =
new LinearRing[] {
gf.createLinearRing(
new Coordinate[] {
new Coordinate(100.2, 0.2), new Coordinate(100.8, 0.2),
new Coordinate(100.8, 0.8), new Coordinate(100.2, 0.8),
new Coordinate(100.2, 0.2)
})
};
assertThat(
toJson(gf.createPolygon(shell, holes)),
equalTo(
"{\"type\":\"Polygon\",\"coordinates\":[[[102.0,2.0],[103.0,2.0],[103.0,3.0],[102.0,3.0],[102.0,2.0]],[[100.2,0.2],[100.8,0.2],[100.8,0.8],[100.2,0.8],[100.2,0.2]]]}"));
}
/**
* Returns the polygon surrounding the specified rectangle. Code lifted from ArcGridDataSource
* (temporary).
*/
public static Polygon getPolygon(final Rectangle2D rect, final int srid) {
final PrecisionModel pm = new PrecisionModel();
final GeometryFactory gf = new GeometryFactory(pm, srid);
final Coordinate[] coord =
new Coordinate[] {
new Coordinate(rect.getMinX(), rect.getMinY()),
new Coordinate(rect.getMaxX(), rect.getMinY()),
new Coordinate(rect.getMaxX(), rect.getMaxY()),
new Coordinate(rect.getMinX(), rect.getMaxY()),
new Coordinate(rect.getMinX(), rect.getMinY())
};
final LinearRing ring = gf.createLinearRing(coord);
return new Polygon(ring, null, gf);
}
/**
* A geometry spanning all longitudes between latitude1 and latitude2. In latlong space this is a
* rectangle. On the globe it is the spherical section between two parallel planes (both at right
* angles to the axis).
*/
static Geometry betweenTwoLatitudes(double latitude1, double latitude2) {
GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
LinearRing border =
geometryFactory.createLinearRing(
new Coordinate[] {
new Coordinate(MIN_LONGITUDE, latitude1),
new Coordinate(MIN_LONGITUDE, latitude2),
new Coordinate(MAX_LONGITUDE, latitude2),
new Coordinate(MAX_LONGITUDE, latitude1),
new Coordinate(MIN_LONGITUDE, latitude1)
});
return border.convexHull();
}
