Java Code Examples for org.geotools.geometry.jts.JTS#toGeometry()

/**
 * Apply clipping to the features in a tile. The tile and its features should already be in map space.
 *
 * @param tile
 *            tile to put features in
 * @param scale
 *            scale
 * @param panOrigin
 *            When panning on the client, only this parameter changes. So we need to be aware of it as we calculate
 *            the maxScreenEnvelope.
 * @throws GeomajasException oops
 */
public void clipTile(InternalTile tile, double scale, Coordinate panOrigin) throws GeomajasException {
	log.debug("clipTile before {}", tile);
	List<InternalFeature> orgFeatures = tile.getFeatures();
	tile.setFeatures(new ArrayList<InternalFeature>());
	Geometry maxScreenBbox = null; // The tile's maximum bounds in screen space. Used for clipping.
	for (InternalFeature feature : orgFeatures) {
		// clip feature if necessary
		if (exceedsScreenDimensions(feature, scale)) {
			log.debug("feature {} exceeds screen dimensions", feature);
			InternalFeatureImpl vectorFeature = (InternalFeatureImpl) feature.clone();
			tile.setClipped(true);
			vectorFeature.setClipped(true);
			if (null == maxScreenBbox) {
				maxScreenBbox = JTS.toGeometry(getMaxScreenEnvelope(tile, panOrigin));
			}
			Geometry clipped = maxScreenBbox.intersection(feature.getGeometry());
			vectorFeature.setClippedGeometry(clipped);
			tile.addFeature(vectorFeature);
		} else {
			tile.addFeature(feature);
		}
	}
	log.debug("clipTile after {}", tile);
}
 

public static InsertionIds trimIndexIds(
    final InsertionIds rawIds,
    final Geometry geom,
    final NumericIndexStrategy index) {
  for (final SinglePartitionInsertionIds insertionId : rawIds.getPartitionKeys()) {
    final byte[] partitionKey = insertionId.getPartitionKey();
    final int size = insertionId.getSortKeys().size();
    if (size > 3) {
      final Iterator<byte[]> it = insertionId.getSortKeys().iterator();
      while (it.hasNext()) {
        final byte[] sortKey = it.next();
        final MultiDimensionalNumericData keyTile = index.getRangeForId(partitionKey, sortKey);
        final Envelope other = new Envelope();
        other.init(
            keyTile.getMinValuesPerDimension()[0],
            keyTile.getMaxValuesPerDimension()[0],
            keyTile.getMinValuesPerDimension()[1],
            keyTile.getMaxValuesPerDimension()[1]);
        final Polygon rect = JTS.toGeometry(other);
        if (!RectangleIntersects.intersects(rect, geom)) {
          it.remove();
        }
      }
    }
  }
  return rawIds;
}
 

@Test
public void testEpsg() throws Exception {
	MockHttpServletRequest request = new MockHttpServletRequest();
	request.setRequestURI("/rest/beans");
	request.setMethod("GET");
	MockHttpServletResponse response = new MockHttpServletResponse();
	// check attribute equality
	request.setParameter("queryable", "stringAttr");
	request.setParameter("stringAttr_eq", "bean1");
	request.setParameter("epsg", "900913");
	ModelAndView mav = adapter.handle(request, response, restController);
	view.render(mav.getModel(), request, response);
	response.flushBuffer();
	Object json = new JSONParser().parse(response.getContentAsString());
	Assert.assertTrue(json instanceof JSONObject);
	JSONObject jsonObject = (JSONObject) json;
	JSONArray features = (JSONArray) jsonObject.get("features");
	JSONObject feature = (JSONObject) features.get(0);
	JSONObject geometry = (JSONObject) feature.get("geometry");
	GeometryJSON g = new GeometryJSON(0);
	Geometry m = g.read(geometry.toJSONString());
	Envelope envelope = new Envelope(0, 1, 0, 1);
	Geometry orig = JTS.toGeometry(envelope);
	Geometry m2 = geoservice.transform(orig, "EPSG:4326", "EPSG:900913");
	// equality check on buffer, JTS equals does not do the trick !
	Assert.assertTrue(m.buffer(0.01).contains(m2));
	Assert.assertTrue(m2.buffer(0.01).contains(m));
}
 

/**
 * Constructor.
 *
 * @param id id
 * @param source source CRS
 * @param target target CRS
 * @param mathTransform transformation
 * @param transformableBbox bounding bow of transformable area
 */
public CrsTransformImpl(String id, Crs source, Crs target, MathTransform mathTransform,
		Bbox transformableBbox) {
	this(id, source, target, mathTransform);
	if (null != transformableBbox) {
		this.transformableBbox = transformableBbox;
		this.transformableEnvelope =
				new Envelope(transformableBbox.getX(), transformableBbox.getMaxX(), transformableBbox.getY(),
						transformableBbox.getMaxY());
		this.transformableGeometry = JTS.toGeometry(transformableEnvelope);
	}
}
 

/**
 * Constructor.
 *
 * @param id id
 * @param source source CRS
 * @param target target CRS
 * @param mathTransform transformation
 * @param transformableEnvelope bounding bow of transformable area
 */
public CrsTransformImpl(String id, Crs source, Crs target, MathTransform mathTransform,
		Envelope transformableEnvelope) {
	this(id, source, target, mathTransform);
	if (null != transformableEnvelope) {
		this.transformableEnvelope = transformableEnvelope;
		this.transformableBbox = new Bbox(transformableEnvelope.getMinX(), transformableEnvelope.getMinY(),
				transformableEnvelope.getMaxX(), transformableEnvelope.getMaxY());
		this.transformableGeometry = JTS.toGeometry(transformableEnvelope);
	}
}
 

@Override
public Geometry getTransformableGeometry() {
	return JTS.toGeometry(getTransformableEnvelope());
}