Package org.apache.lucene.spatial.prefix

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

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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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    this.prop = prop;
    this.spatialctx = SpatialContext.GEO;

    int maxlevels = 11; // FIXME: how to compute?
    GeohashPrefixTree grid = new GeohashPrefixTree(spatialctx, maxlevels);
    this.strategy = new RecursivePrefixTreeStrategy(grid, prop.getName());
  }
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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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    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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    final SpatialPrefixTree gridQuad = new QuadPrefixTree(ctx,10);
    final SpatialPrefixTree gridGeohash = new GeohashPrefixTree(ctx,10);

    Collection<SpatialStrategy> strategies = new ArrayList<>();
    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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  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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    int maxLevels = 11;// results in sub-meter precision for geohash
    // This can also be constructed from SpatialPrefixTreeFactory
    SpatialPrefixTree grid = new GeohashPrefixTree(SpatialQuery.ctx, maxLevels);

    this.strategy = new RecursivePrefixTreeStrategy(grid, def.getGeoField());

    //this.strategy = new PointVectorStrategy(ctx, def.getGeoField());
   
    // force creation of the index if it don't exist
    // otherwise if we get a search before data is written we get an
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    private SpatialStrategy getSpatialStrategy(String key) {
        SpatialStrategy strategy = spatial.get(key);
        if (strategy==null) {
            final int maxLevels = 11;
            SpatialPrefixTree grid = new GeohashPrefixTree(ctx, maxLevels);
            strategy = new RecursivePrefixTreeStrategy(grid, key);
            spatial.put(key,strategy);
        }
        return strategy;
    }
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    public GeoShapeFieldMapper(FieldMapper.Names names, SpatialPrefixTree tree, String defaultStrategyName, double distanceErrorPct,
                               FieldType fieldType, PostingsFormatProvider postingsProvider, DocValuesFormatProvider docValuesProvider,
                               MultiFields multiFields, CopyTo copyTo) {
        super(names, 1, fieldType, null, null, null, postingsProvider, docValuesProvider, null, null, null, null, multiFields, copyTo);
        this.recursiveStrategy = new RecursivePrefixTreeStrategy(tree, names.indexName());
        this.recursiveStrategy.setDistErrPct(distanceErrorPct);
        this.termStrategy = new TermQueryPrefixTreeStrategy(tree, names.indexName());
        this.termStrategy.setDistErrPct(distanceErrorPct);
        this.defaultStrategy = resolveStrategy(defaultStrategyName);
    }
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