Map<String, Object> createGeometryCollection(GeometryCollection gcol) {
LinkedHashMap obj = new LinkedHashMap();
ArrayList geoms = new ArrayList(gcol.getNumGeometries());
for (int i = 0; i < gcol.getNumGeometries(); i++) {
geoms.add(create(gcol.getGeometryN(i)));
}
obj.put("type", "GeometryCollection");
obj.put("geometries", geoms);
return obj;
}
List toList(GeometryCollection mgeom) {
ArrayList list = new ArrayList(mgeom.getNumGeometries());
for (int i = 0; i < mgeom.getNumGeometries(); i++) {
Geometry g = mgeom.getGeometryN(i);
if (g instanceof Polygon) {
list.add(toList((Polygon) g));
} else if (g instanceof LineString) {
list.add(new CoordinateSequenceEncoder(((LineString) g).getCoordinateSequence(), scale));
} else if (g instanceof Point) {
list.add(new CoordinateSequenceEncoder(((Point) g).getCoordinateSequence(), scale));
}
}
return list;
}
List<Integer> commands(Geometry geometry) {
x = 0;
y = 0;
if (geometry instanceof Polygon) {
Polygon polygon = (Polygon) geometry;
if (polygon.getNumInteriorRing() > 0) {
List<Integer> commands = new ArrayList<Integer>();
commands.addAll(commands(polygon.getExteriorRing().getCoordinates(), true));
for (int i = 0; i < polygon.getNumInteriorRing(); i++) {
commands.addAll(commands(polygon.getInteriorRingN(i).getCoordinates(), true));
}
return commands;
}
}
if (geometry instanceof MultiLineString || geometry instanceof MultiPoint) {
List<Integer> commands = new ArrayList<Integer>();
GeometryCollection gc = (GeometryCollection) geometry;
for (int i = 0; i < gc.getNumGeometries(); i++) {
commands.addAll(commands(gc.getGeometryN(i).getCoordinates(), false));
}
return commands;
}
return commands(geometry.getCoordinates(), shouldClosePath(geometry));
}
private static void transformGeometry(Geometry geometry) {
if (geometry == null) {
return;
}
if (geometry instanceof GeometryCollection) {
GeometryCollection collection = (GeometryCollection) geometry;
for (int i = 0; i < collection.getNumGeometries(); i++) {
transformGeometry(collection.getGeometryN(i));
}
} else if (geometry instanceof Polygon) {
Polygon polygon = (Polygon) geometry;
transformGeometry(polygon.getExteriorRing());
for (int i = 0; i < polygon.getNumInteriorRing(); i++) {
transformGeometry(polygon.getInteriorRingN(i));
}
} else if (geometry instanceof LineString) {
LiteCoordinateSequence seq =
(LiteCoordinateSequence) ((LineString) geometry).getCoordinateSequence();
double[] coords = seq.getArray();
for (int i = 0; i < coords.length; i++) {
coords[i] = (int) (coords[i] + 0.5d);
}
seq.setArray(coords);
}
}
public void testHomogeneous() throws Exception {
Node node =
createNode(
gcol,
new ElementInstance[] {point1, point2},
new Object[] {
gf.createPoint(new Coordinate(0, 0)), gf.createPoint(new Coordinate(1, 1))
},
null,
null);
GMLGeometryCollectionTypeBinding s =
(GMLGeometryCollectionTypeBinding)
container.getComponentInstanceOfType(GMLGeometryCollectionTypeBinding.class);
GeometryCollection gc = (GeometryCollection) s.parse(gcol, node, null);
assertNotNull(gc);
assertEquals(gc.getNumGeometries(), 2);
assertTrue(gc.getGeometryN(0) instanceof Point);
assertTrue(gc.getGeometryN(1) instanceof Point);
assertEquals(((Point) gc.getGeometryN(0)).getX(), 0d, 0d);
assertEquals(((Point) gc.getGeometryN(0)).getY(), 0d, 0d);
assertEquals(((Point) gc.getGeometryN(1)).getX(), 1d, 0d);
assertEquals(((Point) gc.getGeometryN(1)).getY(), 1d, 0d);
}
/**
* Extract the coordinate arrays for a geometry into a List.
*
* @param g the Geometry to extract from
* @param coordArrayList the List to add the coordinate arrays to
* @param orientPolygons whether or not the arrays in the List should be oriented (clockwise for
* the shell, counterclockwise for the holes)
*/
public static void addCoordinateArrays(Geometry g, boolean orientPolygons, List coordArrayList) {
if (g.getDimension() <= 0) {
return;
} else if (g instanceof LineString) {
LineString l = (LineString) g;
coordArrayList.add(l.getCoordinates());
} else if (g instanceof Polygon) {
Polygon poly = (Polygon) g;
Coordinate[] shell = poly.getExteriorRing().getCoordinates();
if (orientPolygons) {
shell = ensureOrientation(shell, CGAlgorithms.CLOCKWISE);
}
coordArrayList.add(shell);
for (int i = 0; i < poly.getNumInteriorRing(); i++) {
Coordinate[] hole = poly.getInteriorRingN(i).getCoordinates();
if (orientPolygons) {
hole = ensureOrientation(hole, CGAlgorithms.COUNTERCLOCKWISE);
}
coordArrayList.add(hole);
}
} else if (g instanceof GeometryCollection) {
GeometryCollection gc = (GeometryCollection) g;
for (int i = 0; i < gc.getNumGeometries(); i++) {
addCoordinateArrays(gc.getGeometryN(i), orientPolygons, coordArrayList);
}
} else {
Assert.shouldNeverReachHere("Geometry of type " + g.getClass().getName() + " not handled");
}
}
private void splitAndAddFeatures(
String layerName, Map<String, ?> attributes, GeometryCollection geometry) {
for (int i = 0; i < geometry.getNumGeometries(); i++) {
Geometry subGeometry = geometry.getGeometryN(i);
addFeature(layerName, attributes, subGeometry);
}
}
public final void decimateTransformGeneralize(Geometry geometry, MathTransform transform)
throws TransformException {
if (geometry instanceof GeometryCollection) {
GeometryCollection collection = (GeometryCollection) geometry;
final int length = collection.getNumGeometries();
for (int i = 0; i < length; i++) {
decimateTransformGeneralize(collection.getGeometryN(i), transform);
}
} else if (geometry instanceof Point) {
LiteCoordinateSequence seq =
(LiteCoordinateSequence) ((Point) geometry).getCoordinateSequence();
decimateTransformGeneralize(seq, transform);
} else if (geometry instanceof Polygon) {
Polygon polygon = (Polygon) geometry;
decimateTransformGeneralize(polygon.getExteriorRing(), transform);
final int length = polygon.getNumInteriorRing();
for (int i = 0; i < length; i++) {
decimateTransformGeneralize(polygon.getInteriorRingN(i), transform);
}
} else if (geometry instanceof LineString) {
LiteCoordinateSequence seq =
(LiteCoordinateSequence) ((LineString) geometry).getCoordinateSequence();
decimateTransformGeneralize(seq, transform);
}
}
public void testParse() throws Exception {
GML3MockData.multiGeometry(document, document);
GeometryCollection multiGeom = (GeometryCollection) parse();
assertNotNull(multiGeom);
assertEquals(3, multiGeom.getNumGeometries());
}
protected static Geometry transformGeometryCollection(
CoordinateTransform ct, GeometryCollection geometryCollection) throws Exception {
Geometry[] geometry = new Geometry[geometryCollection.getNumGeometries()];
for (int i = 0; i < geometry.length; ++i) {
geometry[i] = transformGeometry(ct, geometryCollection.getGeometryN(i));
}
return geometryCollection.getFactory().createGeometryCollection(geometry);
}
private void validate(final Geometry geom, final List<ValidationResult> validationErrors) {
if (geom.isEmpty()) {
return;
}
if (geom instanceof GeometryCollection) {
final GeometryCollection gc = (GeometryCollection) geom;
for (int numGeom = 0; numGeom < gc.getNumGeometries(); numGeom++) {
validate(gc.getGeometryN(numGeom), validationErrors);
}
}
final ValidationResult result = new ValidationResult();
result.setWkt(geom.toText());
final List<String> messages = new ArrayList<String>();
if (!geom.isValid()) {
messages.add("Error en topología básica");
}
if (!geom.isSimple()) {
messages.add("No es una geometría simple");
}
if (repeatedPointTester.hasRepeatedPoint(geom)) {
messages.add("Se encuentran vértices repetidos");
}
if (geom instanceof Polygon) {
final Polygon polygon = (Polygon) geom;
if (CGAlgorithms.isCCW(polygon.getExteriorRing().getCoordinates())) {
messages.add("Error en orientación del polígono");
} else {
for (int numRing = 0; numRing < polygon.getNumInteriorRing(); numRing++) {
if (!CGAlgorithms.isCCW(polygon.getInteriorRingN(numRing).getCoordinates())) {
messages.add("Error en orientación del polígono en anillos interiores");
break;
}
}
}
if (!validateMinPolygonArea(geom)) {
messages.add("Error en validación mínima de area de un polígono");
}
}
if (!validateMinSegmentLength(geom)) {
messages.add("Error en validación mínima de longitud de segmento");
}
if (!messages.isEmpty()) {
result.setMessages(messages);
validationErrors.add(result);
}
}
private JSONBuilder writeGeomCollection(GeometryCollection collection) {
this.key("geometries");
this.array();
for (int i = 0, n = collection.getNumGeometries(); i < n; i++) {
writeGeom(collection.getGeometryN(i));
}
return this.endArray();
}
protected <T> void accumulateGeometries(
List<T> collection, Geometry g, Class<? extends T> target) {
if (target.isInstance(g)) {
collection.add((T) g);
} else if (g instanceof GeometryCollection) {
GeometryCollection coll = (GeometryCollection) g;
for (int i = 0; i < coll.getNumGeometries(); i++) {
accumulateGeometries(collection, coll.getGeometryN(i), target);
}
}
}
protected Geometry transformGeometryCollection(GeometryCollection geom, Geometry parent) {
List transGeomList = new ArrayList();
for (int i = 0; i < geom.getNumGeometries(); i++) {
Geometry transformGeom = transform(geom.getGeometryN(i));
if (transformGeom == null) continue;
if (pruneEmptyGeometry && transformGeom.isEmpty()) continue;
transGeomList.add(transformGeom);
}
if (preserveGeometryCollectionType)
return factory.createGeometryCollection(GeometryFactory.toGeometryArray(transGeomList));
return factory.buildGeometry(transGeomList);
}
/** 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;
}
/**
* The method explodes a geometry, if it is a multi-geometry (Geometry Collection), into their
* parts.
*
* @param geom
* @return a list of geometries
*/
public static ArrayList<Geometry> explodeGeomsIfMultiG(Geometry geom) {
ArrayList<Geometry> geoms = new ArrayList<Geometry>();
if (geom instanceof GeometryCollection) {
// System.out.println("explode multigeoms");
GeometryCollection multig = (GeometryCollection) geom;
for (int i = 0; i < multig.getNumGeometries(); i++) {
Geometry g = (Geometry) multig.getGeometryN(i);
geoms.add(g);
}
} else {
geoms.add(geom);
}
return geoms;
}
private void writeHeaders(final GeometryCollection geometries, final ShapeType type)
throws IOException {
// ShapefileHeader header = new ShapefileHeader();
// Envelope bounds = geometries.getEnvelopeInternal();
// header.write(shapeBuffer, type, geometries.getNumGeometries(),
// fileLength / 2,
// bounds.getMinX(),bounds.getMinY(), bounds.getMaxX(),bounds.getMaxY()
// );
// header.write(indexBuffer, type, geometries.getNumGeometries(), 50 + 4
// * geometries.getNumGeometries(),
// bounds.getMinX(),bounds.getMinY(), bounds.getMaxX(),bounds.getMaxY()
// );
int fileLength = 100;
// int largestShapeSize = 0;
for (int i = geometries.getNumGeometries() - 1; i >= 0; i--) {
// shape length + record (2 ints)
int size = handler.getLength(geometries.getGeometryN(i)) + 8;
fileLength += size;
// if (size > largestShapeSize)
// largestShapeSize = size;
}
writeHeaders(geometries.getEnvelopeInternal(), type, geometries.getNumGeometries(), fileLength);
}
/**
* Bulk write method for writing a collection of (hopefully) like geometries of the given
* ShapeType.
*/
public void write(final GeometryCollection geometries, final ShapeType type)
throws IOException, DataStoreException {
handler = type.getShapeHandler(true);
writeHeaders(geometries, type);
lp = shapeBuffer.position();
for (int i = 0, ii = geometries.getNumGeometries(); i < ii; i++) {
Geometry g = geometries.getGeometryN(i);
writeGeometry(g);
}
close();
}
/**
* @param geometry
* @return
* @throws Exception
*/
@Override
public org.geojson.GeometryCollection buildGeoJsonGeometry(GeometryCollection geometry)
throws Exception {
logger.trace(
":::::::::::::::::::Called {}#buildGeoJsonGeometry for JTS_GEOMETRY : {}\n",
super.toString(),
geometry);
org.geojson.GeometryCollection geometryCollection = new org.geojson.GeometryCollection();
for (int i = 0; i < geometry.getNumGeometries(); i++) {
Geometry theGeom = geometry.getGeometryN(i);
GeometryWriterImplementor implementor =
GEOMETRY_WRITER_IMPLEMENTOR_STORE.getImplementorByKey(theGeom.getClass());
geometryCollection.add(implementor.buildGeoJsonGeometry(theGeom));
}
return geometryCollection;
}
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);
}
/**
* Main method - write the featurecollection to a shapefile (2d, 3d or 4d).
*
* @param featureCollection collection to write
* @param dp 'OutputFile' or 'DefaultValue' to specify where to write, and 'ShapeType' to specify
* dimentionality.
*/
public void write(FeatureCollection featureCollection, DriverProperties dp)
throws IllegalParametersException, Exception {
String shpfileName;
String dbffname;
String shxfname;
String path;
String fname;
String fname_withoutextention;
int shapeType;
int loc;
GeometryCollection gc;
shpfileName = dp.getProperty(FILE_PROPERTY_KEY);
if (shpfileName == null) {
shpfileName = dp.getProperty(DEFAULT_VALUE_PROPERTY_KEY);
}
if (shpfileName == null) {
throw new IllegalParametersException("no output filename specified");
}
loc = shpfileName.lastIndexOf(File.separatorChar);
if (loc == -1) {
// loc = 0; // no path - ie. "hills.shp"
// path = "";
// fname = shpfileName;
// probably using the wrong path separator character.
throw new Exception(
"couldn't find the path separator character '"
+ File.separatorChar
+ "' in your shape file name. This you're probably using the unix (or dos) one.");
} else {
path = shpfileName.substring(0, loc + 1); // ie. "/data1/hills.shp" -> "/data1/"
fname = shpfileName.substring(loc + 1); // ie. "/data1/hills.shp" -> "hills.shp"
}
loc = fname.lastIndexOf(".");
if (loc == -1) {
throw new IllegalParametersException("Filename must end in '.shp'");
}
fname_withoutextention = fname.substring(0, loc); // ie. "hills.shp" -> "hills."
dbffname = path + fname_withoutextention + ".dbf";
writeDbf(featureCollection, dbffname);
// this gc will be a collection of either multi-points, multi-polygons, or multi-linestrings
// polygons will have the rings in the correct order
gc = makeSHAPEGeometryCollection(featureCollection);
shapeType = 2; // x,y
if (dp.getProperty(SHAPE_TYPE_PROPERTY_KEY) != null) {
String st = dp.getProperty(SHAPE_TYPE_PROPERTY_KEY);
if (st.equalsIgnoreCase("xy")) {
shapeType = 2;
} else if (st.equalsIgnoreCase("xym")) {
shapeType = 3;
} else if (st.equalsIgnoreCase("xymz")) {
shapeType = 4;
} else if (st.equalsIgnoreCase("xyzm")) {
shapeType = 4;
} else if (st.equalsIgnoreCase("xyz")) {
shapeType = 4;
} else {
throw new IllegalParametersException(
"ShapefileWriter.write() - dataproperties has a 'ShapeType' that isnt 'xy', 'xym', or 'xymz'");
}
} else {
if (gc.getNumGeometries() > 0) {
shapeType = guessCoorinateDims(gc.getGeometryN(0));
}
}
URL url = new URL("file", "localhost", shpfileName);
Shapefile myshape = new Shapefile(url);
myshape.write(gc, shapeType);
shxfname = path + fname_withoutextention + ".shx";
BufferedOutputStream in = new BufferedOutputStream(new FileOutputStream(shxfname));
EndianDataOutputStream sfile = new EndianDataOutputStream(in);
myshape.writeIndex(gc, sfile, shapeType);
}
