Package org.apache.lucene.spatial.prefix.tree

Examples of org.apache.lucene.spatial.prefix.tree.SpatialPrefixTree

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  public SpatialFacetHandler(String name, String lonFieldName, String latFieldName,
      String geoFieldName, int geoHashPrefixTreeMaxLevels) {
    super(name);
    longitude = lonFieldName;
    latitude = latFieldName;
    SpatialPrefixTree grid = new GeohashPrefixTree(SpatialContext.GEO, geoHashPrefixTreeMaxLevels);
    spatialStrategy = new RecursivePrefixTreeStrategy(grid, geoFieldName);
  }
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  }

  protected SpatialStrategy makeSpatialStrategy(final Config config, Map<String, String> configMap,
                                                SpatialContext ctx) {
    //A factory for the prefix tree grid
    SpatialPrefixTree grid = SpatialPrefixTreeFactory.makeSPT(configMap, null, ctx);

    RecursivePrefixTreeStrategy strategy = new RecursivePrefixTreeStrategy(grid, SPATIAL_FIELD) {
      {
        //protected field
        this.pointsOnly = config.get("spatial.docPointsOnly", false);
      }
    };

    int prefixGridScanLevel = config.get("query.spatial.prefixGridScanLevel", -4);
    if (prefixGridScanLevel < 0)
      prefixGridScanLevel = grid.getMaxLevels() + prefixGridScanLevel;
    strategy.setPrefixGridScanLevel(prefixGridScanLevel);

    double distErrPct = config.get("spatial.distErrPct", .025);//doc & query; a default
    strategy.setDistErrPct(distErrPct);
    return strategy;
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  @ParametersFactory
  public static Iterable<Object[]> parameters() {
    List<Object[]> ctorArgs = new ArrayList<Object[]>();

    SpatialContext ctx = SpatialContext.GEO;
    SpatialPrefixTree grid;
    SpatialStrategy strategy;

    grid = new QuadPrefixTree(ctx,25);
    strategy = new RecursivePrefixTreeStrategy(grid, "recursive_quad");
    ctorArgs.add(new Object[]{new Param(strategy)});
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  private final SpatialContext ctx = SpatialContext.GEO;

  @Test
  public void testEqualsHashCode() {

    final SpatialPrefixTree grid = new QuadPrefixTree(ctx,10);
    final SpatialArgs args1 = makeArgs1();
    final SpatialArgs args2 = makeArgs2();

    Collection<ObjGenerator> generators = new ArrayList<ObjGenerator>();
    generators.add(new ObjGenerator() {
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  @Test
  public void testBadPrefixTreePrune() throws Exception {
 
    Shape area = ctx.readShape("POLYGON((-122.83 48.57, -122.77 48.56, -122.79 48.53, -122.83 48.57))");
   
    SpatialPrefixTree trie = new QuadPrefixTree(ctx, 12);
    TermQueryPrefixTreeStrategy strategy = new TermQueryPrefixTreeStrategy(trie, "geo");
    Document doc = new Document();
    doc.add(new TextField("id", "1", Store.YES));

    Field[] fields = strategy.createIndexableFields(area, 0.025);
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  @ParametersFactory
  public static Iterable<Object[]> parameters() {
    List<Object[]> ctorArgs = new ArrayList<Object[]>();

    SpatialContext ctx = SpatialContext.GEO;
    SpatialPrefixTree grid;
    SpatialStrategy strategy;

    grid = new GeohashPrefixTree(ctx,12);
    strategy = new RecursivePrefixTreeStrategy(grid, "recursive_geohash");
    ctorArgs.add(new Object[]{new Param(strategy)});
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    this.ctx = SpatialContext.GEO;

    int maxLevels = 11;//results in sub-meter precision for geohash
    //TODO demo lookup by detail distance
    //  This can also be constructed from SpatialPrefixTreeFactory
    SpatialPrefixTree grid = new GeohashPrefixTree(ctx, maxLevels);

    this.strategy = new RecursivePrefixTreeStrategy(grid, "myGeoField");

    this.directory = new RAMDirectory();
  }
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  @ParametersFactory
  public static Iterable<Object[]> parameters() {
    List<Object[]> ctorArgs = new ArrayList<Object[]>();

    SpatialContext ctx = SpatialContext.GEO;
    SpatialPrefixTree grid;
    SpatialStrategy strategy;

    grid = new QuadPrefixTree(ctx,25);
    strategy = new RecursivePrefixTreeStrategy(grid, "recursive_quad");
    ctorArgs.add(new Object[]{new Param(strategy)});
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  private final SpatialContext ctx = SpatialContext.GEO;

  @Test
  public void testEqualsHashCode() {

    final SpatialPrefixTree gridQuad = new QuadPrefixTree(ctx,10);
    final SpatialPrefixTree gridGeohash = new GeohashPrefixTree(ctx,10);

    Collection<SpatialStrategy> strategies = new ArrayList<SpatialStrategy>();
    strategies.add(new RecursivePrefixTreeStrategy(gridGeohash, "recursive_geohash"));
    strategies.add(new TermQueryPrefixTreeStrategy(gridQuad, "termquery_quad"));
    strategies.add(new PointVectorStrategy(ctx, "pointvector"));
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  @Test
  public void testBadPrefixTreePrune() throws Exception {
 
    Shape area = ctx.readShapeFromWkt("POLYGON((-122.83 48.57, -122.77 48.56, -122.79 48.53, -122.83 48.57))");
   
    SpatialPrefixTree trie = new QuadPrefixTree(ctx, 12);
    TermQueryPrefixTreeStrategy strategy = new TermQueryPrefixTreeStrategy(trie, "geo");
    Document doc = new Document();
    doc.add(new TextField("id", "1", Store.YES));

    Field[] fields = strategy.createIndexableFields(area, 0.025);
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