com.spatial4j.core.distance.DistanceUtils Java Examples
The following examples show how to use
com.spatial4j.core.distance.DistanceUtils.
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Example #1
Source File: LindenResultParser.java From linden with Apache License 2.0 | 6 votes |
private LindenHit parseSpatial(int doc, LindenHit lindenHit) throws IOException { if (request.isSetSpatialParam()) { Double lat = LindenUtil.getFieldDoubleValue(leaves, doc, LindenSchemaConf.LATITUDE); Double lon = LindenUtil.getFieldDoubleValue(leaves, doc, LindenSchemaConf.LONGITUDE); if (lat != 0.0 && lon != 0.0) { double distance = DistanceUtils.distLawOfCosinesRAD( DistanceUtils.toRadians(lat), DistanceUtils.toRadians(lon), DistanceUtils.toRadians(request.getSpatialParam().getCoordinate().getLatitude()), DistanceUtils.toRadians(request.getSpatialParam().getCoordinate().getLongitude())); distance = DistanceUtils.radians2Dist(distance, DistanceUtils.EARTH_MEAN_RADIUS_KM); lindenHit.setDistance(distance); } } return lindenHit; }
Example #2
Source File: SuperParserTest.java From incubator-retired-blur with Apache License 2.0 | 6 votes |
@Test public void test28() throws ParseException { SpatialContext ctx = SpatialContext.GEO; ShapeReadWriter<SpatialContext> shapeReadWriter = new ShapeReadWriter<SpatialContext>(ctx); int maxLevels = 11; SpatialPrefixTree grid = new GeohashPrefixTree(ctx, maxLevels); RecursivePrefixTreeStrategy strategy = new RecursivePrefixTreeStrategy(grid, "a.id_gis", false); Circle circle = ctx.makeCircle(-80.0, 33.0, DistanceUtils.dist2Degrees(10, DistanceUtils.EARTH_MEAN_RADIUS_KM)); SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, circle); String writeSpatialArgs = SpatialArgsParser.writeSpatialArgs(args, shapeReadWriter); // This has to be done because of rounding. SpatialArgs spatialArgs = SpatialArgsParser.parse(writeSpatialArgs, shapeReadWriter); Query q1 = sq(strategy.makeQuery(spatialArgs)); Query q = parseSq("a.id_gis:\"" + writeSpatialArgs + "\""); boolean equals = q1.equals(q); assertTrue(equals); }
Example #3
Source File: OLuceneSpatialIndexManager.java From orientdb-lucene with Apache License 2.0 | 6 votes |
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)); }
Example #4
Source File: GeoNameResolver.java From lucene-geo-gazetteer with Apache License 2.0 | 6 votes |
/** * Returns a list of location near a certain coordinate. * @param latitude, @param longitude - Center of search area * @param distanceInMiles - Search Radius in miles * @param indexerPath - Path to Lucene index * @param count - Upper bound to number of results * @return - List of locations sorted by population * @throws IOException */ public List<Location> searchNearby(Double latitude, Double longitude, Double distanceInMiles, String indexerPath, int count) throws IOException { double distanceInDeg = DistanceUtils.dist2Degrees(distanceInMiles,DistanceUtils.EARTH_EQUATORIAL_RADIUS_MI); SpatialArgs spatialArgs = new SpatialArgs(SpatialOperation.IsWithin, ctx.makeCircle(longitude,latitude, distanceInDeg)); String key = latitude+"-"+longitude; Filter filter = strategy.makeFilter(spatialArgs); IndexSearcher searcher = new IndexSearcher(createIndexReader(indexerPath)); Sort sort = new Sort(populationSort); TopDocs topDocs = searcher.search(new MatchAllDocsQuery(), filter, count, sort); ScoreDoc[] scoreDocs = topDocs.scoreDocs; HashMap<String, List<Location>> allCandidates = new HashMap<String, List<Location>>(); getMatchingCandidates(searcher, allCandidates, key, scoreDocs); List<Location> results = allCandidates.get(key); return results; }
Example #5
Source File: Geoshape.java From titan1withtp3.1 with Apache License 2.0 | 5 votes |
/** * Converts this shape into its equivalent Spatial4j {@link Shape}. * @return */ public Shape convert2Spatial4j() { switch(getType()) { case POINT: return getPoint().getSpatial4jPoint(); case CIRCLE: return CTX.makeCircle(getPoint(0).getSpatial4jPoint(), DistanceUtils.dist2Degrees(getRadius(), DistanceUtils.EARTH_MEAN_RADIUS_KM)); case BOX: return CTX.makeRectangle(getPoint(0).getSpatial4jPoint(),getPoint(1).getSpatial4jPoint()); case POLYGON: throw new UnsupportedOperationException("Not yet supported"); default: throw new IllegalStateException("Unrecognized type: " + getType()); } }
Example #6
Source File: SpatialFilterConstructor.java From linden with Apache License 2.0 | 5 votes |
@Override protected Filter construct(LindenFilter lindenFilter, LindenConfig config) throws IOException { LindenSpatialFilter spatialFilter = lindenFilter.getSpatialFilter(); SpatialArgs spatialArgs = new SpatialArgs( SpatialOperation.Intersects, spatialContext.makeCircle( spatialFilter.getSpatialParam().coordinate.getLongitude(), spatialFilter.getSpatialParam().coordinate.getLatitude(), DistanceUtils .dist2Degrees(spatialFilter.getSpatialParam().getDistanceRange(), DistanceUtils.EARTH_MEAN_RADIUS_KM))); return spatialStrategy.makeFilter(spatialArgs); }
Example #7
Source File: GeoCircle.java From stratio-cassandra with Apache License 2.0 | 5 votes |
/** * {@inheritDoc} */ @Override public Shape toSpatial4j(SpatialContext spatialContext) { double kms = distance.getValue(GeoDistanceUnit.KILOMETRES); double d = DistanceUtils.dist2Degrees(kms, DistanceUtils.EARTH_MEAN_RADIUS_KM); return spatialContext.makeCircle(longitude, latitude, d); }
Example #8
Source File: OLuceneSpatialIndexManager.java From orientdb-lucene with Apache License 2.0 | 5 votes |
@Override public void onRecordAddedToResultSet(QueryContext queryContext, OContextualRecordId recordId, Document doc, ScoreDoc score) { SpatialQueryContext spatialContext = (SpatialQueryContext) queryContext; if (spatialContext.spatialArgs != null) { Point docPoint = (Point) ctx.readShape(doc.get(strategy.getFieldName())); double docDistDEG = ctx.getDistCalc().distance(spatialContext.spatialArgs.getShape().getCenter(), docPoint); final double docDistInKM = DistanceUtils.degrees2Dist(docDistDEG, DistanceUtils.EARTH_EQUATORIAL_RADIUS_KM); recordId.setContext(new HashMap<String, Object>() { { put("distance", docDistInKM); } }); } }
Example #9
Source File: OLuceneNearOperator.java From orientdb-lucene with Apache License 2.0 | 5 votes |
@Override public Object evaluateRecord(OIdentifiable iRecord, ODocument iCurrentResult, OSQLFilterCondition iCondition, Object iLeft, Object iRight, OCommandContext iContext) { List<Number> left = (List<Number>) iLeft; double lat = left.get(0).doubleValue(); double lon = left.get(1).doubleValue(); Shape shape = SpatialContext.GEO.makePoint(lon, lat); List<Number> right = (List<Number>) iRight; double lat1 = right.get(0).doubleValue(); double lon1 = right.get(1).doubleValue(); Shape shape1 = SpatialContext.GEO.makePoint(lon1, lat1); Map map = (Map) right.get(2); double distance = 0; Number n = (Number) map.get("maxDistance"); if (n != null) { distance = n.doubleValue(); } Point p = (Point) shape1; Circle circle = SpatialContext.GEO.makeCircle(p.getX(), p.getY(), DistanceUtils.dist2Degrees(distance, DistanceUtils.EARTH_MEAN_RADIUS_KM)); double docDistDEG = SpatialContext.GEO.getDistCalc().distance((Point) shape, p); final double docDistInKM = DistanceUtils.degrees2Dist(docDistDEG, DistanceUtils.EARTH_EQUATORIAL_RADIUS_KM); iContext.setVariable("distance", docDistInKM); return shape.relate(circle) == SpatialRelation.WITHIN; }
Example #10
Source File: NavUtils.java From Real-Time-Taxi-Dispatch-Simulator with MIT License | 5 votes |
/** * Returns distance (in meters) between 2 points. * * @param point1 Must not be null * @param point2 Must not be null * @return distance in meters */ public static double getDistance(Point point1, Point point2) { Assert.notNull(point1, "point1 must not be null"); Assert.notNull(point2, "point2 must not be null"); final SpatialContext ctx = SpatialContext.GEO; com.spatial4j.core.shape.Point p1 = ctx.makePoint(point1.getLongitude(), point1.getLatitude()); com.spatial4j.core.shape.Point p2 = ctx.makePoint(point2.getLongitude(), point2.getLatitude()); return DistanceUtils.degrees2Dist(ctx.getDistCalc().distance(p1, p2), DistanceUtils.EARTH_MEAN_RADIUS_KM) * 1000; }
Example #11
Source File: SuperParserTest.java From incubator-retired-blur with Apache License 2.0 | 5 votes |
@Test public void test29() throws ParseException { SpatialContext ctx = SpatialContext.GEO; int maxLevels = 11; SpatialPrefixTree grid = new GeohashPrefixTree(ctx, maxLevels); RecursivePrefixTreeStrategy strategy = new RecursivePrefixTreeStrategy(grid, "a.id_gis", false); Circle circle = ctx.makeCircle(-80.0, 33.0, DistanceUtils.dist2Degrees(10, DistanceUtils.EARTH_MEAN_RADIUS_KM)); SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, circle); Query q1 = sq(strategy.makeQuery(args)); Query q = parseSq("a.id_gis:\"Intersects(Circle(33.000000,-80.000000 d=10.0km))\""); boolean equals = q1.equals(q); assertTrue(equals); }
Example #12
Source File: SuperParserTest.java From incubator-retired-blur with Apache License 2.0 | 5 votes |
@Test public void test30() throws ParseException { SpatialContext ctx = SpatialContext.GEO; int maxLevels = 11; SpatialPrefixTree grid = new GeohashPrefixTree(ctx, maxLevels); RecursivePrefixTreeStrategy strategy = new RecursivePrefixTreeStrategy(grid, "a.id_gis", false); Circle circle = ctx.makeCircle(-80.0, 33.0, DistanceUtils.dist2Degrees(10, DistanceUtils.EARTH_MEAN_RADIUS_MI)); SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, circle); Query q1 = sq(strategy.makeQuery(args)); Query q = parseSq("a.id_gis:\"Intersects(Circle(33.000000,-80.000000 d=10.0m))\""); boolean equals = q1.equals(q); assertTrue(equals); }
Example #13
Source File: SuperParserTest.java From incubator-retired-blur with Apache License 2.0 | 5 votes |
@Test public void test45() throws ParseException { SpatialContext ctx = SpatialContext.GEO; int maxLevels = 11; SpatialPrefixTree grid = new GeohashPrefixTree(ctx, maxLevels); RecursivePrefixTreeStrategy strategy = new RecursivePrefixTreeStrategy(grid, "a.id_gis", false); Circle circle = ctx.makeCircle(-80.0, 33.0, DistanceUtils.dist2Degrees(10, DistanceUtils.EARTH_MEAN_RADIUS_MI)); SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, circle); Query q1 = sq(bq(bc_m(strategy.makeQuery(args)))); Query q = parseSq("<+a.id_gis:\"Intersects(Circle(33.000000,-80.000000 d=10.0m))\">"); boolean equals = q1.equals(q); assertTrue(equals); }
Example #14
Source File: SuperParserTest.java From incubator-retired-blur with Apache License 2.0 | 5 votes |
@Test public void test46() throws ParseException { SpatialContext ctx = SpatialContext.GEO; int maxLevels = 11; SpatialPrefixTree grid = new GeohashPrefixTree(ctx, maxLevels); RecursivePrefixTreeStrategy strategy = new RecursivePrefixTreeStrategy(grid, "a.id_gis", false); Circle circle = ctx.makeCircle(-80.0, 33.0, DistanceUtils.dist2Degrees(10, DistanceUtils.EARTH_MEAN_RADIUS_MI)); SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, circle); Query q1 = sq(bq(bc_m(strategy.makeQuery(args)), bc(tq("rowid", "12345")))); Query q = parseSq("<+a.id_gis:\"Intersects(Circle(33.000000,-80.000000 d=10.0m))\" rowid:12345>"); boolean equals = q1.equals(q); assertTrue(equals); }
Example #15
Source File: SuperParserTest.java From incubator-retired-blur with Apache License 2.0 | 5 votes |
@Test public void test47() throws ParseException { SpatialContext ctx = SpatialContext.GEO; int maxLevels = 11; SpatialPrefixTree grid = new GeohashPrefixTree(ctx, maxLevels); RecursivePrefixTreeStrategy strategy = new RecursivePrefixTreeStrategy(grid, "a.id_gis", false); Circle circle = ctx.makeCircle(-80.0, 33.0, DistanceUtils.dist2Degrees(10, DistanceUtils.EARTH_MEAN_RADIUS_MI)); SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, circle); Query q1 = sq(strategy.makeQuery(args)); Query q = parseSq("<a.id_gis:\"Intersects(Circle(33.000000,-80.000000 d=10.0m))\">"); boolean equals = q1.equals(q); assertTrue(equals); }
Example #16
Source File: SortConstructor.java From linden with Apache License 2.0 | 4 votes |
public static Sort constructSort(LindenSearchRequest request, IndexSearcher indexSearcher, LindenConfig config) throws IOException { if (!request.isSetSort()) return null; LindenSort lindenSort = request.getSort(); SortField[] sortFields = new SortField[lindenSort.getFieldsSize()]; for (int i = 0; i < lindenSort.getFieldsSize(); ++i) { LindenSortField field = lindenSort.getFields().get(i); SortField.Type type = SortField.Type.STRING; boolean isReverse = field.isReverse(); switch (field.getType()) { case STRING: type = SortField.Type.STRING; break; case DOUBLE: type = SortField.Type.DOUBLE; break; case FLOAT: type = SortField.Type.FLOAT; break; case INTEGER: type = SortField.Type.INT; break; case LONG: type = SortField.Type.LONG; break; case SCORE: type = SortField.Type.SCORE; isReverse = !isReverse; break; case DISTANCE: if (request.isSetSpatialParam()) { Point point = SpatialContext.GEO.makePoint( request.getSpatialParam().getCoordinate().getLongitude(), request.getSpatialParam().getCoordinate().getLatitude()); ValueSource valueSource = config.getSpatialStrategy().makeDistanceValueSource(point, DistanceUtils.DEG_TO_KM); sortFields[i] = valueSource.getSortField(false).rewrite(indexSearcher); } continue; } sortFields[i] = new SortField(field.getName(), type, isReverse); } return new Sort(sortFields); }
Example #17
Source File: Geoshape.java From titan1withtp3.1 with Apache License 2.0 | 2 votes |
/** * Returns the distance to another point in kilometers * * @param other Point * @return */ public double distance(Point other) { return DistanceUtils.degrees2Dist(CTX.getDistCalc().distance(getSpatial4jPoint(),other.getSpatial4jPoint()),DistanceUtils.EARTH_MEAN_RADIUS_KM); }