public virtual void TestNGramPrefixGridLosAngeles()
{
SpatialContext ctx = SpatialContext.GEO;
TermQueryPrefixTreeStrategy prefixGridStrategy = new TermQueryPrefixTreeStrategy(new QuadPrefixTree(ctx), "geo");
Spatial4n.Core.Shapes.IShape point = ctx.MakePoint(-118.243680, 34.052230);
Document losAngeles = new Document();
losAngeles.Add(new StringField("name", "Los Angeles", Field.Store.YES));
foreach (IndexableField field in prefixGridStrategy.CreateIndexableFields(point))
{
losAngeles.Add(field);
}
losAngeles.Add(new StoredField(prefixGridStrategy.FieldName, point.toString()));//just for diagnostics
addDocumentsAndCommit(Arrays.AsList(losAngeles));
// This won't work with simple spatial context...
SpatialArgsParser spatialArgsParser = new SpatialArgsParser();
// TODO... use a non polygon query
// SpatialArgs spatialArgs = spatialArgsParser.parse(
// "Intersects(POLYGON((-127.00390625 39.8125,-112.765625 39.98828125,-111.53515625 31.375,-125.94921875 30.14453125,-127.00390625 39.8125)))",
// new SimpleSpatialContext());
// Query query = prefixGridStrategy.makeQuery(spatialArgs, fieldInfo);
// SearchResults searchResults = executeQuery(query, 1);
// assertEquals(1, searchResults.numFound);
}
public virtual void TestBadPrefixTreePrune()
{
IShape 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", Field.Store.YES));
Field[] fields = strategy.CreateIndexableFields(area, 0.025);
foreach (Field field in fields)
{
doc.Add(field);
}
AddDocument(doc);
IPoint upperleft = ctx.MakePoint(-122.88, 48.54);
IPoint lowerright = ctx.MakePoint(-122.82, 48.62);
Query query = strategy.MakeQuery(new SpatialArgs(SpatialOperation.Intersects, ctx.MakeRectangle(upperleft, lowerright)));
Commit();
TopDocs search = indexSearcher.Search(query, 10);
ScoreDoc[] scoreDocs = search.ScoreDocs;
foreach (ScoreDoc scoreDoc in scoreDocs)
{
Console.WriteLine(indexSearcher.Doc(scoreDoc.Doc));
}
assertEquals(1, search.TotalHits);
}
public virtual void TestNGramPrefixGridLosAngeles()
{
SpatialContext ctx = SpatialContext.GEO;
TermQueryPrefixTreeStrategy prefixGridStrategy = new TermQueryPrefixTreeStrategy(new QuadPrefixTree(ctx), "geo");
Spatial4n.Core.Shapes.IShape point = ctx.MakePoint(-118.243680, 34.052230);
Document losAngeles = new Document();
losAngeles.Add(new StringField("name", "Los Angeles", Field.Store.YES));
foreach (IndexableField field in prefixGridStrategy.CreateIndexableFields(point))
{
losAngeles.Add(field);
}
losAngeles.Add(new StoredField(prefixGridStrategy.FieldName, point.toString()));//just for diagnostics
addDocumentsAndCommit(Arrays.AsList(losAngeles));
// This won't work with simple spatial context...
SpatialArgsParser spatialArgsParser = new SpatialArgsParser();
// TODO... use a non polygon query
// SpatialArgs spatialArgs = spatialArgsParser.parse(
// "Intersects(POLYGON((-127.00390625 39.8125,-112.765625 39.98828125,-111.53515625 31.375,-125.94921875 30.14453125,-127.00390625 39.8125)))",
// new SimpleSpatialContext());
// Query query = prefixGridStrategy.makeQuery(spatialArgs, fieldInfo);
// SearchResults searchResults = executeQuery(query, 1);
// assertEquals(1, searchResults.numFound);
}
public void testNGramPrefixGridLosAngeles()
{
SpatialContext ctx = SpatialContext.GEO;
TermQueryPrefixTreeStrategy prefixGridStrategy = new TermQueryPrefixTreeStrategy(new QuadPrefixTree(ctx), "geo");
Shape point = ctx.MakePoint(-118.243680, 34.052230);
Document losAngeles = new Document();
losAngeles.Add(new Field("name", "Los Angeles", Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS));
foreach (var indexableField in prefixGridStrategy.CreateIndexableFields(point))
{
losAngeles.Add(indexableField);
}
losAngeles.Add(new Field(prefixGridStrategy.GetFieldName(), ctx.ToString(point), Field.Store.YES, Field.Index.NO));
addDocumentsAndCommit(new List<Document> { losAngeles });
// This won't work with simple spatial context...
SpatialArgsParser spatialArgsParser = new SpatialArgsParser();
// TODO... use a non polygon query
// SpatialArgs spatialArgs = spatialArgsParser.parse(
// "Intersects(POLYGON((-127.00390625 39.8125,-112.765625 39.98828125,-111.53515625 31.375,-125.94921875 30.14453125,-127.00390625 39.8125)))",
// new SimpleSpatialContext());
// Query query = prefixGridStrategy.makeQuery(spatialArgs, fieldInfo);
// SearchResults searchResults = executeQuery(query, 1);
// assertEquals(1, searchResults.numFound);
}
public IEnumerable<Param> ParamsProvider()
{
var ctorArgs = new List<Param>();
SpatialContext ctx = SpatialContext.GEO;
SpatialPrefixTree grid = new GeohashPrefixTree(ctx, 12);
SpatialStrategy strategy = new RecursivePrefixTreeStrategy(grid, "recursive_geohash");
ctorArgs.Add(new Param(strategy));
grid = new QuadPrefixTree(ctx, 25);
strategy = new RecursivePrefixTreeStrategy(grid, "recursive_quad");
ctorArgs.Add(new Param(strategy));
grid = new GeohashPrefixTree(ctx, 12);
strategy = new TermQueryPrefixTreeStrategy(grid, "termquery_geohash");
ctorArgs.Add(new Param(strategy));
strategy = new PointVectorStrategy(ctx, "pointvector");
ctorArgs.Add(new Param(strategy));
return ctorArgs;
}
//@ParametersFactory
public static IList<Object[]> Parameters()
{
List<Object[]> ctorArgs = new List<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) });
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) });
strategy = new SerializedDVStrategy(ctx, "serialized");
ctorArgs.Add(new Object[] { new Param(strategy) });
return ctorArgs;
}
public virtual void TestBadPrefixTreePrune()
{
IShape 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", Field.Store.YES)); // LUCENENET TODO: Change API to Store.Yes
Field[] fields = strategy.CreateIndexableFields(area, 0.025);
foreach (Field field in fields)
{
doc.Add(field);
}
AddDocument(doc);
IPoint upperleft = ctx.MakePoint(-122.88, 48.54);
IPoint lowerright = ctx.MakePoint(-122.82, 48.62);
Query query = strategy.MakeQuery(new SpatialArgs(SpatialOperation.Intersects, ctx.MakeRectangle(upperleft, lowerright)));
Commit();
TopDocs search = indexSearcher.Search(query, 10);
ScoreDoc[] scoreDocs = search.ScoreDocs;
foreach (ScoreDoc scoreDoc in scoreDocs)
{
Console.WriteLine(indexSearcher.Doc(scoreDoc.Doc));
}
assertEquals(1, search.TotalHits);
}