Lucene.Net.Spatial.SpatialExample.Init C# (CSharp) Метод

        protected void Init()
        {
            //Typical geospatial context
            //  These can also be constructed from SpatialContextFactory
            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();
        }