Examples with PointImpl org.locationtech.spatial4j.shape.impl.PointImpl used on opensource projects

Example 1 with PointImpl

use of org.locationtech.spatial4j.shape.impl.PointImpl in project ddf by codice.

the class GeoNamesWebService method getNearbyCity.

@Override
public NearbyLocation getNearbyCity(String locationWkt) {
    notNull(locationWkt, "argument locationWkt may not be null");
    Point wktCenterPoint = createPointFromWkt(locationWkt);
    String urlStr = String.format("%s://%s/findNearbyPlaceNameJSON?lat=%f&lng=%f&maxRows=1&username=%s&cities=cities5000", GEONAMES_PROTOCOL, GEONAMES_API_ADDRESS, wktCenterPoint.getY(), wktCenterPoint.getX(), USERNAME);
    Object result = query(urlStr);
    if (result instanceof JSONObject) {
        JSONObject jsonResult = (JSONObject) result;
        JSONArray geonames = (JSONArray) jsonResult.get(GEONAMES_KEY);
        if (geonames != null && geonames.size() > 0) {
            JSONObject firstResult = (JSONObject) geonames.get(0);
            if (firstResult != null) {
                double lat = Double.valueOf((String) firstResult.get(LAT_KEY));
                double lon = Double.valueOf((String) firstResult.get(LON_KEY));
                String cityName = (String) firstResult.get(PLACENAME_KEY);
                Point cityPoint = new PointImpl(lon, lat, SpatialContext.GEO);
                return new NearbyLocationImpl(wktCenterPoint, cityPoint, cityName);
            }
        }
    }
    return null;
}

Example 2 with PointImpl

use of org.locationtech.spatial4j.shape.impl.PointImpl in project ddf by codice.

the class GeoNamesQueryLuceneIndex method doGetNearestCities.

protected List<NearbyLocation> doGetNearestCities(final Shape shape, final int radiusInKm, final int maxResults, final Directory directory) throws GeoEntryQueryException {
    notNull(shape, "GeoNamesQueryLuceneIndex.doGetNearestCities(): argument 'shape' may not be null.");
    if (radiusInKm <= 0) {
        throw new IllegalArgumentException("GeoNamesQueryLuceneIndex.doGetNearestCities(): radiusInKm must be positive.");
    }
    if (maxResults <= 0) {
        throw new IllegalArgumentException("GeoNamesQueryLuceneIndex.doGetNearestCities(): maxResults must be positive.");
    }
    if (directory == null) {
        return Collections.emptyList();
    }
    try (final IndexReader indexReader = createIndexReader(directory)) {
        final IndexSearcher indexSearcher = createIndexSearcher(indexReader);
        final List<NearbyLocation> closestCities = new ArrayList<>();
        final Point center = shape.getCenter();
        final Query filter = createSpatialQuery(center, radiusInKm);
        // Query for all the documents in the index that are cities, then filter those
        // results for the ones that are in the search area.
        final BooleanQuery booleanQuery = new BooleanQuery.Builder().add(PPL_QUERY, BooleanClause.Occur.MUST).add(filter, BooleanClause.Occur.FILTER).build();
        final TopDocs topDocs = indexSearcher.search(booleanQuery, maxResults, SORT);
        if (topDocs.totalHits > 0) {
            for (ScoreDoc scoreDoc : topDocs.scoreDocs) {
                final double lat = Double.parseDouble(indexSearcher.doc(scoreDoc.doc).get(GeoNamesLuceneConstants.LATITUDE_FIELD));
                final double lon = Double.parseDouble(indexSearcher.doc(scoreDoc.doc).get(GeoNamesLuceneConstants.LONGITUDE_FIELD));
                final String name = indexSearcher.doc(scoreDoc.doc).get(GeoNamesLuceneConstants.NAME_FIELD);
                final NearbyLocation city = new NearbyLocationImpl(center, new PointImpl(lon, lat, SPATIAL_CONTEXT), name);
                closestCities.add(city);
            }
        }
        return closestCities;
    } catch (IOException e) {
        throw new GeoEntryQueryException("Error reading the index", e);
    }
}

Example 3 with PointImpl

use of org.locationtech.spatial4j.shape.impl.PointImpl in project crate by crate.

the class JavascriptUserDefinedFunctionTest method testGeoTypeReturnTypeWithWKT.

@Test
public void testGeoTypeReturnTypeWithWKT() throws Exception {
    registerUserDefinedFunction("f", DataTypes.GEO_POINT, List.of(), "function f() { return \"POINT (1.0 2.0)\"; }");
    assertEvaluate("f()", new PointImpl(1.0, 2.0, JtsSpatialContext.GEO));
}

Example 4 with PointImpl

use of org.locationtech.spatial4j.shape.impl.PointImpl in project crate by crate.

the class JavascriptUserDefinedFunctionTest method testGeoTypeReturnTypeWithDoubleArray.

@Test
public void testGeoTypeReturnTypeWithDoubleArray() throws Exception {
    registerUserDefinedFunction("f", DataTypes.GEO_POINT, List.of(), "function f() { return [1, 1]; }");
    assertEvaluate("f()", new PointImpl(1.0, 1.0, JtsSpatialContext.GEO));
}

Example 5 with PointImpl

use of org.locationtech.spatial4j.shape.impl.PointImpl in project crate by crate.

the class GeoPointType method implicitCast.

@Override
public Point implicitCast(Object value) throws IllegalArgumentException, ClassCastException {
    if (value == null) {
        return null;
    } else if (value instanceof Point) {
        return ((Point) value);
    } else if (value instanceof Double[]) {
        Double[] doubles = (Double[]) value;
        checkLengthIs2(doubles.length);
        ensurePointsInRange(doubles[0], doubles[1]);
        return new PointImpl(doubles[0], doubles[1], JtsSpatialContext.GEO);
    } else if (value instanceof Object[]) {
        Object[] values = (Object[]) value;
        checkLengthIs2(values.length);
        PointImpl point = new PointImpl(((Number) values[0]).doubleValue(), ((Number) values[1]).doubleValue(), JtsSpatialContext.GEO);
        ensurePointsInRange(point.getX(), point.getY());
        return point;
    } else if (value instanceof String) {
        return pointFromString((String) value);
    } else if (value instanceof List) {
        List<?> values = (List<?>) value;
        checkLengthIs2(values.size());
        PointImpl point = new PointImpl(((Number) values.get(0)).doubleValue(), ((Number) values.get(1)).doubleValue(), JtsSpatialContext.GEO);
        ensurePointsInRange(point.getX(), point.getY());
        return point;
    } else {
        throw new ClassCastException("Can't cast '" + value + "' to " + getName());
    }
}