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

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

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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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    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)});

    strategy = new PointVectorStrategy(ctx, "pointvector");
    ctorArgs.add(new Object[]{new Param(strategy)});
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  //Tests should call this first.
  private void init(int maxLength) {
    this.maxLength = maxLength;
    this.ctx = SpatialContext.GEO;
    GeohashPrefixTree grid = new GeohashPrefixTree(ctx, maxLength);
    this.strategy = new RecursivePrefixTreeStrategy(grid, getClass().getSimpleName());
  }
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  }

  @Test
  public void testOneMeterPrecision() {
    init(GeohashPrefixTree.getMaxLevelsPossible());
    GeohashPrefixTree grid = (GeohashPrefixTree) ((RecursivePrefixTreeStrategy) strategy).getGrid();
    //DWS: I know this to be true.  11 is needed for one meter
    double degrees = DistanceUtils.dist2Degrees(0.001, DistanceUtils.EARTH_MEAN_RADIUS_KM);
    assertEquals(11, grid.getLevelForDistance(degrees));
  }
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      ctx = SpatialContextFactory.makeSpatialContext(args, getClass().getClassLoader());
    } catch (NoClassDefFoundError e) {
      assumeTrue("This test requires JTS jar: "+e, false);
    }

    GeohashPrefixTree grid = new GeohashPrefixTree(ctx, 11);//< 1 meter == 11 maxLevels
    this.strategy = new RecursivePrefixTreeStrategy(grid, getClass().getSimpleName());
    ((RecursivePrefixTreeStrategy)this.strategy).setDistErrPct(LUCENE_4464_distErrPct);//1% radius (small!)
  }
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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)});

    strategy = new PointVectorStrategy(ctx, "pointvector");
    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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    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)});

    strategy = new PointVectorStrategy(ctx, "pointvector");
    ctorArgs.add(new Object[]{new Param(strategy)});
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  //Tests should call this first.
  private void init(int maxLength) {
    this.maxLength = maxLength;
    this.ctx = SpatialContext.GEO;
    GeohashPrefixTree grid = new GeohashPrefixTree(ctx, maxLength);
    this.strategy = new RecursivePrefixTreeStrategy(grid, getClass().getSimpleName());
  }
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  }

  @Test
  public void testOneMeterPrecision() {
    init(GeohashPrefixTree.getMaxLevelsPossible());
    GeohashPrefixTree grid = (GeohashPrefixTree) ((RecursivePrefixTreeStrategy) strategy).getGrid();
    //DWS: I know this to be true.  11 is needed for one meter
    double degrees = DistanceUtils.dist2Degrees(0.001, DistanceUtils.EARTH_MEAN_RADIUS_KM);
    assertEquals(11, grid.getLevelForDistance(degrees));
  }
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