Package org.apache.lucene.spatial.prefix

Examples of org.apache.lucene.spatial.prefix.RecursivePrefixTreeStrategy

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      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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    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)});

    grid = new GeohashPrefixTree(ctx,12);
    strategy = new TermQueryPrefixTreeStrategy(grid, "termquery_geohash");
    ctorArgs.add(new Object[]{new Param(strategy)});
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    Collection<ObjGenerator> generators = new ArrayList<ObjGenerator>();
    generators.add(new ObjGenerator() {
      @Override
      public Object gen(SpatialArgs args) {
        return new RecursivePrefixTreeStrategy(grid, "recursive_quad").makeQuery(args);
      }
    });
    generators.add(new ObjGenerator() {
      @Override
      public Object gen(SpatialArgs args) {
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    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)});

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

    grid = new GeohashPrefixTree(ctx,12);
    strategy = new TermQueryPrefixTreeStrategy(grid, "termquery_geohash");
    ctorArgs.add(new Object[]{new Param(strategy)});
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    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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    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)});

    grid = new GeohashPrefixTree(ctx,12);
    strategy = new TermQueryPrefixTreeStrategy(grid, "termquery_geohash");
    ctorArgs.add(new Object[]{new Param(strategy)});
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    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"));
    //strategies.add(new BBoxStrategy(ctx, "bbox"));
    strategies.add(new SerializedDVStrategy(ctx, "serialized"));
    for (SpatialStrategy strategy : strategies) {
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    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)});

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

    grid = new GeohashPrefixTree(ctx,12);
    strategy = new TermQueryPrefixTreeStrategy(grid, "termquery_geohash");
    ctorArgs.add(new Object[]{new Param(strategy)});
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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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