Example usage for org.apache.lucene.spatial.query SpatialOperation Intersects

List of usage examples for org.apache.lucene.spatial.query SpatialOperation Intersects

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Introduction

In this page you can find the example usage for org.apache.lucene.spatial.query SpatialOperation Intersects.

Prototype

SpatialOperation Intersects

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Document

Meets the "Intersects" OGC definition.

Usage

From source file:com.berico.clavin.resolver.impl.lucene.LuceneCoordinateIndex.java

License:Apache License

/**
 * Search for locations around the supplied coordinate.
 * @param coordinate Coordinate to search for nearby locations.
 * @param distanceInKm Kilometer radius to search around the
 * target coordinate for named locations.
 * @param limit Max number of results to return from the index.
 * @return ResolvedCoordinate instance.//from ww  w  .  ja v  a 2 s . co  m
 */
List<ResolvedCoordinate> performSearch(CoordinateOccurrence<?> coordinate, int distanceInKm, int limit)
        throws Exception {

    // Acquire a searcher.
    IndexSearcher searcher = this.lucene.getSearcherManager().acquire();

    // Convert the KM distance to degrees.
    double distanceInDegrees = DistanceUtils.dist2Degrees(distanceInKm, DistanceUtils.EARTH_MEAN_RADIUS_KM);

    // Convert the coordinate to it's lat/lon representation.
    LatLon center = coordinate.convertToLatLon();

    // Create a circular bounding box using the coordinate as the center
    // and the distance as the circle's radius.
    Circle queryBoundary = this.lucene.getSpatialContext().makeCircle(center.getLongitude(),
            center.getLatitude(), distanceInDegrees);

    // Create a spatial search configuration
    SpatialArgs spatialArgs = new SpatialArgs(SpatialOperation.Intersects, queryBoundary);

    // Get a Lucene filter from the spatial config.
    Filter filter = this.lucene.getSpatialStrategy().makeFilter(spatialArgs);

    // Search the index using the circle as a bounding box (er...circle).
    TopDocs results = searcher.search(new MatchAllDocsQuery(), filter, DEFAULT_LIMIT);

    // Convert the results to a ResolvedCoordinate
    return LuceneUtils.convertToCoordinate(coordinate, searcher, results, lucene);
}

From source file:com.boundlessgeo.elasticsearch.geoheatmap.GeoHeatmapAggregatorFactory.java

License:Apache License

private Integer resolveGridLevel(Optional<Double> distErrOp, Optional<Double> distErrPctOp) {
    SpatialArgs spatialArgs = new SpatialArgs(SpatialOperation.Intersects, this.inputShape);
    if (distErrOp.isPresent()) {
        spatialArgs.setDistErr(distErrOp.get() * DistanceUnit.DEFAULT.getDistancePerDegree());
    }/*from  ww w .java 2s.co  m*/
    spatialArgs.setDistErrPct(distErrPctOp.orElse(DEFAULT_DIST_ERR_PCT));
    double distErr = spatialArgs.resolveDistErr(strategy.getSpatialContext(), DEFAULT_DIST_ERR_PCT);
    if (distErr <= 0) {
        throw new AggregationInitializationException(String.format(Locale.ROOT,
                "%s or %s should be > 0 or instead provide %s=%s for absolute maximum detail",
                GeoHeatmapAggregationBuilder.DIST_ERR_PCT_FIELD, GeoHeatmapAggregationBuilder.DIST_ERR_FIELD,
                GeoHeatmapAggregationBuilder.GRID_LEVEL_FIELD, strategy.getGrid().getMaxLevels()));
    }
    return strategy.getGrid().getLevelForDistance(distErr);
}

From source file:com.orientechnologies.lucene.manager.OLuceneSpatialIndexManager.java

License:Apache License

@Override
public Object get(Object key) {
    try {/*  w  ww .  j a va2  s  .  co m*/
        if (key instanceof OSpatialCompositeKey) {
            final OSpatialCompositeKey newKey = (OSpatialCompositeKey) key;

            final SpatialOperation strategy = newKey.getOperation() != null ? newKey.getOperation()
                    : SpatialOperation.Intersects;

            if (SpatialOperation.Intersects.equals(strategy))
                return searchIntersect(newKey, newKey.getMaxDistance(), newKey.getContext());
            else if (SpatialOperation.IsWithin.equals(strategy))
                return searchWithin(newKey, newKey.getContext());

        } else if (key instanceof OCompositeKey)
            return searchIntersect((OCompositeKey) key, 0, null);

    } catch (IOException e) {
        OLogManager.instance().error(this, "Error on getting entry against Lucene index", e);
    }

    return null;
}

From source file:com.orientechnologies.lucene.manager.OLuceneSpatialIndexManager.java

License:Apache License

public Object searchIntersect(OCompositeKey key, double distance, OCommandContext context) throws IOException {

    double lat = ((Double) OType.convert(((OCompositeKey) key).getKeys().get(0), Double.class)).doubleValue();
    double lng = ((Double) OType.convert(((OCompositeKey) key).getKeys().get(1), Double.class)).doubleValue();
    SpatialOperation operation = SpatialOperation.Intersects;

    Point p = ctx.makePoint(lng, lat);
    SpatialArgs args = new SpatialArgs(operation,
            ctx.makeCircle(lng, lat, DistanceUtils.dist2Degrees(distance, DistanceUtils.EARTH_MEAN_RADIUS_KM)));
    Filter filter = strategy.makeFilter(args);
    IndexSearcher searcher = getSearcher();
    ValueSource valueSource = strategy.makeDistanceValueSource(p);
    Sort distSort = new Sort(valueSource.getSortField(false)).rewrite(searcher);

    return new LuceneResultSet(this,
            new SpatialQueryContext(context, searcher, new MatchAllDocsQuery(), filter, distSort)
                    .setSpatialArgs(args));
}

From source file:com.orientechnologies.spatial.engine.OLuceneLegacySpatialIndexEngine.java

License:Apache License

private Object legacySearch(Object key) throws IOException {
    if (key instanceof OSpatialCompositeKey) {
        final OSpatialCompositeKey newKey = (OSpatialCompositeKey) key;

        final SpatialOperation strategy = newKey.getOperation() != null ? newKey.getOperation()
                : SpatialOperation.Intersects;

        if (SpatialOperation.Intersects.equals(strategy))
            return searchIntersect(newKey, newKey.getMaxDistance(), newKey.getContext());
        else if (SpatialOperation.IsWithin.equals(strategy))
            return searchWithin(newKey, newKey.getContext());

    } else if (key instanceof OCompositeKey) {
        return searchIntersect((OCompositeKey) key, 0, null);
    }/*from w ww  .  j a v a2  s. c  o m*/
    throw new OIndexEngineException("Unknown key" + key, null);

}

From source file:com.orientechnologies.spatial.engine.OLuceneLegacySpatialIndexEngine.java

License:Apache License

public Object searchIntersect(OCompositeKey key, double distance, OCommandContext context) throws IOException {

    double lat = ((Double) OType.convert(((OCompositeKey) key).getKeys().get(0), Double.class)).doubleValue();
    double lng = ((Double) OType.convert(((OCompositeKey) key).getKeys().get(1), Double.class)).doubleValue();
    SpatialOperation operation = SpatialOperation.Intersects;

    Point p = ctx.makePoint(lng, lat);
    SpatialArgs args = new SpatialArgs(operation,
            ctx.makeCircle(lng, lat, DistanceUtils.dist2Degrees(distance, DistanceUtils.EARTH_MEAN_RADIUS_KM)));
    Filter filter = strategy.makeFilter(args);
    IndexSearcher searcher = searcher();
    ValueSource valueSource = strategy.makeDistanceValueSource(p);
    Sort distSort = new Sort(valueSource.getSortField(false)).rewrite(searcher);

    return new LuceneResultSet(this,
            new SpatialQueryContext(context, searcher, new MatchAllDocsQuery(), filter, distSort)
                    .setSpatialArgs(args));
}

From source file:com.orientechnologies.spatial.sandbox.LuceneGeoTest.java

License:Apache License

@Test
public void geoIntersectTest() throws IOException, ParseException {

    RecursivePrefixTreeStrategy strategy = new RecursivePrefixTreeStrategy(
            new GeohashPrefixTree(JtsSpatialContext.GEO, 11), "location");

    strategy.setDistErrPct(0);//from w  ww.  ja  v a2 s .  c  o m

    IndexWriterConfig conf = new IndexWriterConfig(new StandardAnalyzer());
    final RAMDirectory directory = new RAMDirectory();
    final IndexWriter writer = new IndexWriter(directory, conf);

    Shape point = JtsSpatialContext.GEO.getWktShapeParser().parse("POINT (9.4714708 47.6819432)");

    Shape polygon = JtsSpatialContext.GEO.getWktShapeParser().parse(
            "POLYGON((9.481201171875 47.64885294675266,9.471416473388672 47.65128140482982,9.462661743164062 47.64781214443791,9.449443817138672 47.656947367880335,9.445838928222656 47.66110972448931,9.455795288085938 47.667352637215,9.469013214111328 47.67255449415724,9.477081298828125 47.679142768657066,9.490299224853516 47.678680460743834,9.506263732910156 47.679258344995326,9.51364517211914 47.68191653011071,9.518795013427734 47.677177931734406,9.526691436767578 47.679489496903706,9.53390121459961 47.67139857075435,9.50918197631836 47.66180341832901,9.50815200805664 47.6529003141482,9.51192855834961 47.64654002455372,9.504375457763672 47.64237650648966,9.49270248413086 47.649662445325035,9.48617935180664 47.65151268066222,9.481201171875 47.64885294675266))");

    Document doc = new Document();

    Assert.assertNotEquals(point.relate(polygon), SpatialRelation.INTERSECTS);
    for (IndexableField f : strategy.createIndexableFields(point)) {
        doc.add(f);
    }

    writer.addDocument(doc);
    writer.commit();

    SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, polygon.getBoundingBox());
    Filter filter = strategy.makeFilter(args);
    IndexReader reader = DirectoryReader.open(directory);

    IndexSearcher searcher = new IndexSearcher(reader);

    TopDocs search = searcher.search(new MatchAllDocsQuery(), filter, 1000);
    Assert.assertEquals(search.totalHits, 0);

    reader.close();
    writer.close();
}

From source file:com.orientechnologies.spatial.strategy.SpatialQueryBuilderContains.java

License:Apache License

@Override
public SpatialQueryContext build(Map<String, Object> query) throws Exception {
    Shape shape = parseShape(query);
    SpatialStrategy strategy = manager.strategy();

    if (isOnlyBB(strategy)) {
        shape = shape.getBoundingBox();//w ww  .j a  v a  2s  . c  om
    }
    SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, shape);
    Filter filter = strategy.makeFilter(args);
    return new SpatialQueryContext(null, manager.searcher(), new MatchAllDocsQuery(), filter);
}

From source file:com.orientechnologies.spatial.strategy.SpatialQueryBuilderNear.java

License:Apache License

@Override
public SpatialQueryContext build(Map<String, Object> query) throws Exception {
    Shape shape = parseShape(query);

    double distance = 0;

    Number n = (Number) query.get(MAX_DISTANCE);
    if (n != null) {
        distance = n.doubleValue();/*from   w w w  .j a v a  2  s  .c o  m*/
    }

    Point p = (Point) shape;

    SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, factory.context().makeCircle(p.getX(),
            p.getY(), DistanceUtils.dist2Degrees(distance, DistanceUtils.EARTH_MEAN_RADIUS_KM)));
    Filter filter = manager.strategy().makeFilter(args);
    ValueSource valueSource = manager.strategy().makeDistanceValueSource(p);
    IndexSearcher searcher = manager.searcher();
    Sort distSort = new Sort(valueSource.getSortField(false)).rewrite(searcher);
    return new SpatialQueryContext(null, searcher, new MatchAllDocsQuery(), filter, distSort)
            .setSpatialArgs(args);
}

From source file:com.orientechnologies.spatial.strategy.SpatialQueryBuilderOverlap.java

License:Apache License

@Override
public SpatialQueryContext build(Map<String, Object> query) throws Exception {
    Shape shape = parseShape(query);
    SpatialStrategy strategy = manager.strategy();
    SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, shape.getBoundingBox());
    Filter filter = strategy.makeFilter(args);
    return new SpatialQueryContext(null, manager.searcher(), new MatchAllDocsQuery(), filter);
}