--- /dev/null
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.lucene.spatial.tier;
+
+import java.io.IOException;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.ScoreDoc;
+import org.apache.lucene.search.Sort;
+import org.apache.lucene.search.SortField;
+import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.search.TopDocs;
+import org.apache.lucene.search.function.CustomScoreQuery;
+import org.apache.lucene.search.function.CustomScoreProvider;
+import org.apache.lucene.search.function.FieldScoreQuery;
+import org.apache.lucene.search.function.FieldScoreQuery.Type;
+import org.apache.lucene.spatial.DistanceUtils;
+import org.apache.lucene.spatial.geohash.GeoHashUtils;
+import org.apache.lucene.spatial.geometry.DistanceUnits;
+import org.apache.lucene.spatial.geometry.FloatLatLng;
+import org.apache.lucene.spatial.geometry.LatLng;
+import org.apache.lucene.spatial.tier.projections.CartesianTierPlotter;
+import org.apache.lucene.spatial.tier.projections.IProjector;
+import org.apache.lucene.spatial.tier.projections.SinusoidalProjector;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util.NumericUtils;
+
+public class TestCartesian extends LuceneTestCase {
+
+ private Directory directory;
+ private IndexSearcher searcher;
+ // reston va
+ private double lat = 38.969398;
+ private double lng= -77.386398;
+ private String latField = "lat";
+ private String lngField = "lng";
+ private List<CartesianTierPlotter> ctps = new LinkedList<CartesianTierPlotter>();
+ private String geoHashPrefix = "_geoHash_";
+
+ private IProjector project = new SinusoidalProjector();
+
+
+
+ @Override
+ public void setUp() throws Exception {
+ super.setUp();
+ directory = newDirectory();
+
+ IndexWriter writer = new IndexWriter(directory, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
+
+ setUpPlotter( 2, 15);
+
+ addData(writer);
+
+ }
+
+ @Override
+ public void tearDown() throws Exception {
+ directory.close();
+ super.tearDown();
+ }
+
+
+ private void setUpPlotter(int base, int top) {
+
+ for (; base <= top; base ++){
+ ctps.add(new CartesianTierPlotter(base,project,
+ CartesianTierPlotter.DEFALT_FIELD_PREFIX));
+ }
+ }
+
+ private void addPoint(IndexWriter writer, String name, double lat, double lng) throws IOException{
+
+ Document doc = new Document();
+
+ doc.add(newField("name", name,Field.Store.YES, Field.Index.ANALYZED));
+
+ // convert the lat / long to lucene fields
+ doc.add(new Field(latField, NumericUtils.doubleToPrefixCoded(lat),Field.Store.YES, Field.Index.NOT_ANALYZED));
+ doc.add(new Field(lngField, NumericUtils.doubleToPrefixCoded(lng),Field.Store.YES, Field.Index.NOT_ANALYZED));
+
+ // add a default meta field to make searching all documents easy
+ doc.add(newField("metafile", "doc",Field.Store.YES, Field.Index.ANALYZED));
+
+ int ctpsize = ctps.size();
+ for (int i =0; i < ctpsize; i++){
+ CartesianTierPlotter ctp = ctps.get(i);
+ doc.add(new Field(ctp.getTierFieldName(),
+ NumericUtils.doubleToPrefixCoded(ctp.getTierBoxId(lat,lng)),
+ Field.Store.YES,
+ Field.Index.NOT_ANALYZED_NO_NORMS));
+
+ doc.add(newField(geoHashPrefix, GeoHashUtils.encode(lat,lng),
+ Field.Store.YES,
+ Field.Index.NOT_ANALYZED_NO_NORMS));
+ }
+ writer.addDocument(doc);
+
+ }
+
+
+
+ private void addData(IndexWriter writer) throws IOException {
+ addPoint(writer,"McCormick & Schmick's Seafood Restaurant",38.9579000,-77.3572000);
+ addPoint(writer,"Jimmy's Old Town Tavern",38.9690000,-77.3862000);
+ addPoint(writer,"Ned Devine's",38.9510000,-77.4107000);
+ addPoint(writer,"Old Brogue Irish Pub",38.9955000,-77.2884000);
+ addPoint(writer,"Alf Laylah Wa Laylah",38.8956000,-77.4258000);
+ addPoint(writer,"Sully's Restaurant & Supper",38.9003000,-77.4467000);
+ addPoint(writer,"TGIFriday",38.8725000,-77.3829000);
+ addPoint(writer,"Potomac Swing Dance Club",38.9027000,-77.2639000);
+ addPoint(writer,"White Tiger Restaurant",38.9027000,-77.2638000);
+ addPoint(writer,"Jammin' Java",38.9039000,-77.2622000);
+ addPoint(writer,"Potomac Swing Dance Club",38.9027000,-77.2639000);
+ addPoint(writer,"WiseAcres Comedy Club",38.9248000,-77.2344000);
+ addPoint(writer,"Glen Echo Spanish Ballroom",38.9691000,-77.1400000);
+ addPoint(writer,"Whitlow's on Wilson",38.8889000,-77.0926000);
+ addPoint(writer,"Iota Club and Cafe",38.8890000,-77.0923000);
+ addPoint(writer,"Hilton Washington Embassy Row",38.9103000,-77.0451000);
+ addPoint(writer,"HorseFeathers, Bar & Grill", 39.01220000000001, -77.3942);
+ addPoint(writer,"Marshall Island Airfield",7.06, 171.2);
+ addPoint(writer, "Wonga Wongue Reserve, Gabon", -0.546562,9.459229);
+ addPoint(writer,"Midway Island",25.7, -171.7);
+ addPoint(writer,"North Pole Way",55.0, 4.0);
+
+ writer.commit();
+ // TODO: fix CustomScoreQuery usage in testRange/testGeoHashRange so we don't need this.
+ writer.forceMerge(1);
+ writer.close();
+ }
+
+
+ public void testDistances() throws IOException, InvalidGeoException {
+ LatLng p1 = new FloatLatLng( 7.06, 171.2 );
+ LatLng p2 = new FloatLatLng( 21.6032207, -158.0 );
+ double miles = p1.arcDistance( p2, DistanceUnits.MILES );
+ if (VERBOSE) {
+ System.out.println("testDistances");
+ System.out.println("miles:" + miles);
+ }
+ assertEquals(2288.82495932794, miles, 0.001);
+ LatLng p3 = new FloatLatLng( 41.6032207, -73.087749);
+ LatLng p4 = new FloatLatLng( 55.0, 4.0 );
+ miles = p3.arcDistance( p4, DistanceUnits.MILES );
+ if (VERBOSE) System.out.println("miles:" + miles);
+ assertEquals(3474.331719997617, miles, 0.001);
+ }
+
+ /*public void testCartesianPolyFilterBuilder() throws Exception {
+ CartesianPolyFilterBuilder cpfb = new CartesianPolyFilterBuilder(CartesianTierPlotter.DEFALT_FIELD_PREFIX, 2, 15);
+ //try out some shapes
+ final double miles = 20.0;
+ // Hawaii
+ // 2300 miles to Marshall Island Airfield
+ //Hawaii to Midway is 911 miles
+ lat = 0;
+ lng = -179.9;
+ Shape shape;
+ shape = cpfb.getBoxShape(lat, lng, miles);
+ System.out.println("Tier: " + shape.getTierLevel());
+ System.out.println("area: " + shape.getArea().size());
+ lat = 30;
+ lng = -100;
+ shape = cpfb.getBoxShape(lat, lng, miles);
+ System.out.println("Tier: " + shape.getTierLevel());
+ System.out.println("area: " + shape.getArea().size());
+
+ lat = 30;
+ lng = 100;
+ shape = cpfb.getBoxShape(lat, lng, miles);
+ System.out.println("Tier: " + shape.getTierLevel());
+ System.out.println("area: " + shape.getArea().size());
+ }
+*/
+
+
+ public void testAntiM() throws IOException, InvalidGeoException {
+ IndexReader reader = IndexReader.open(directory);
+ searcher = new IndexSearcher(reader);
+
+ final double miles = 2800.0;
+ // Hawaii
+ // 2300 miles to Marshall Island Airfield
+ //Hawaii to Midway is 911 miles
+ lat = 21.6032207;
+ lng = -158.0;
+
+ if (VERBOSE) System.out.println("testAntiM");
+ // create a distance query
+ final DistanceQueryBuilder dq = new DistanceQueryBuilder(lat, lng, miles,
+ latField, lngField, CartesianTierPlotter.DEFALT_FIELD_PREFIX, true, 2, 15);
+
+ if (VERBOSE) System.out.println(dq);
+ //create a term query to search against all documents
+ Query tq = new TermQuery(new Term("metafile", "doc"));
+
+ FieldScoreQuery fsQuery = new FieldScoreQuery("geo_distance", Type.FLOAT);
+
+ CustomScoreQuery customScore = new CustomScoreQuery(dq.getQuery(tq),fsQuery){
+
+ @Override
+ protected CustomScoreProvider getCustomScoreProvider(IndexReader reader) {
+ return new CustomScoreProvider(reader) {
+ @Override // TODO: broken, as reader is not used!
+ public float customScore(int doc, float subQueryScore, float valSrcScore){
+ if (VERBOSE) System.out.println(doc);
+ if (dq.distanceFilter.getDistance(doc) == null)
+ return 0;
+
+ double distance = dq.distanceFilter.getDistance(doc);
+ // boost score shouldn't exceed 1
+ if (distance < 1.0d)
+ distance = 1.0d;
+ //boost by distance is invertly proportional to
+ // to distance from center point to location
+ float score = (float) ((miles - distance) / miles );
+ return score * subQueryScore;
+ }
+ };
+ }
+
+ };
+ // Create a distance sort
+ // As the radius filter has performed the distance calculations
+ // already, pass in the filter to reuse the results.
+ //
+ DistanceFieldComparatorSource dsort = new DistanceFieldComparatorSource(dq.distanceFilter);
+ Sort sort = new Sort(new SortField("foo", dsort,false));
+
+ // Perform the search, using the term query, the serial chain filter, and the
+ // distance sort
+ TopDocs hits = searcher.search(customScore.createWeight(searcher),null, 1000, sort);
+ int results = hits.totalHits;
+ ScoreDoc[] scoreDocs = hits.scoreDocs;
+
+ // Get a list of distances
+ Map<Integer,Double> distances = dq.distanceFilter.getDistances();
+
+ // distances calculated from filter first pass must be less than total
+ // docs, from the above test of 20 items, 12 will come from the boundary box
+ // filter, but only 5 are actually in the radius of the results.
+
+ // Note Boundary Box filtering, is not accurate enough for most systems.
+
+
+ if (VERBOSE) {
+ System.out.println("Distance Filter filtered: " + distances.size());
+ System.out.println("Results: " + results);
+ System.out.println("=============================");
+ System.out.println("Distances should be 2 "+ distances.size());
+ System.out.println("Results should be 2 "+ results);
+ }
+
+ assertEquals(2, distances.size()); // fixed a store of only needed distances
+ assertEquals(2, results);
+ double lastDistance = 0;
+ for(int i =0 ; i < results; i++){
+ Document d = searcher.doc(scoreDocs[i].doc);
+
+ String name = d.get("name");
+ double rsLat = NumericUtils.prefixCodedToDouble(d.get(latField));
+ double rsLng = NumericUtils.prefixCodedToDouble(d.get(lngField));
+ Double geo_distance = distances.get(scoreDocs[i].doc);
+
+ double distance = DistanceUtils.getDistanceMi(lat, lng, rsLat, rsLng);
+ double llm = DistanceUtils.getLLMDistance(lat, lng, rsLat, rsLng);
+ if (VERBOSE) System.out.println("Name: "+ name +", Distance "+ distance); //(res, ortho, harvesine):"+ distance +" |"+ geo_distance +"|"+ llm +" | score "+ hits.score(i));
+ assertTrue(Math.abs((distance - llm)) < 1);
+ assertTrue((distance < miles ));
+ assertTrue(geo_distance >= lastDistance);
+ lastDistance = geo_distance;
+ }
+ searcher.close();
+ reader.close();
+ }
+
+ public void testPoleFlipping() throws IOException, InvalidGeoException {
+ IndexReader reader = IndexReader.open(directory);
+ searcher = new IndexSearcher(reader);
+
+ final double miles = 3500.0;
+ lat = 41.6032207;
+ lng = -73.087749;
+
+ if (VERBOSE) System.out.println("testPoleFlipping");
+
+ // create a distance query
+ final DistanceQueryBuilder dq = new DistanceQueryBuilder(lat, lng, miles,
+ latField, lngField, CartesianTierPlotter.DEFALT_FIELD_PREFIX, true, 2, 15);
+
+ if (VERBOSE) System.out.println(dq);
+ //create a term query to search against all documents
+ Query tq = new TermQuery(new Term("metafile", "doc"));
+
+ FieldScoreQuery fsQuery = new FieldScoreQuery("geo_distance", Type.FLOAT);
+
+ CustomScoreQuery customScore = new CustomScoreQuery(dq.getQuery(tq),fsQuery){
+
+ @Override
+ protected CustomScoreProvider getCustomScoreProvider(IndexReader reader) {
+ return new CustomScoreProvider(reader) {
+ @Override // TODO: broken, as reader is not used!
+ public float customScore(int doc, float subQueryScore, float valSrcScore){
+ if (VERBOSE) System.out.println(doc);
+ if (dq.distanceFilter.getDistance(doc) == null)
+ return 0;
+
+ double distance = dq.distanceFilter.getDistance(doc);
+ // boost score shouldn't exceed 1
+ if (distance < 1.0d)
+ distance = 1.0d;
+ //boost by distance is invertly proportional to
+ // to distance from center point to location
+ float score = (float) ((miles - distance) / miles );
+ return score * subQueryScore;
+ }
+ };
+ }
+
+ };
+ // Create a distance sort
+ // As the radius filter has performed the distance calculations
+ // already, pass in the filter to reuse the results.
+ //
+ DistanceFieldComparatorSource dsort = new DistanceFieldComparatorSource(dq.distanceFilter);
+ Sort sort = new Sort(new SortField("foo", dsort,false));
+
+ // Perform the search, using the term query, the serial chain filter, and the
+ // distance sort
+ TopDocs hits = searcher.search(customScore.createWeight(searcher),null, 1000, sort);
+ int results = hits.totalHits;
+ ScoreDoc[] scoreDocs = hits.scoreDocs;
+
+ // Get a list of distances
+ Map<Integer,Double> distances = dq.distanceFilter.getDistances();
+
+ // distances calculated from filter first pass must be less than total
+ // docs, from the above test of 20 items, 12 will come from the boundary box
+ // filter, but only 5 are actually in the radius of the results.
+
+ // Note Boundary Box filtering, is not accurate enough for most systems.
+
+
+ if (VERBOSE) {
+ System.out.println("Distance Filter filtered: " + distances.size());
+ System.out.println("Results: " + results);
+ System.out.println("=============================");
+ System.out.println("Distances should be 18 "+ distances.size());
+ System.out.println("Results should be 18 "+ results);
+ }
+
+ assertEquals(18, distances.size()); // fixed a store of only needed distances
+ assertEquals(18, results);
+ double lastDistance = 0;
+ for(int i =0 ; i < results; i++){
+ Document d = searcher.doc(scoreDocs[i].doc);
+ String name = d.get("name");
+ double rsLat = NumericUtils.prefixCodedToDouble(d.get(latField));
+ double rsLng = NumericUtils.prefixCodedToDouble(d.get(lngField));
+ Double geo_distance = distances.get(scoreDocs[i].doc);
+
+ double distance = DistanceUtils.getDistanceMi(lat, lng, rsLat, rsLng);
+ double llm = DistanceUtils.getLLMDistance(lat, lng, rsLat, rsLng);
+ if (VERBOSE) System.out.println("Name: "+ name +", Distance "+ distance); //(res, ortho, harvesine):"+ distance +" |"+ geo_distance +"|"+ llm +" | score "+ hits.score(i));
+ assertTrue(Math.abs((distance - llm)) < 1);
+ if (VERBOSE) System.out.println("checking limit "+ distance + " < " + miles);
+ assertTrue((distance < miles ));
+ if (VERBOSE) System.out.println("checking sort "+ geo_distance + " >= " + lastDistance);
+ assertTrue(geo_distance >= lastDistance);
+ lastDistance = geo_distance;
+ }
+ searcher.close();
+ reader.close();
+ }
+
+ public void testRange() throws IOException, InvalidGeoException {
+ IndexReader reader = IndexReader.open(directory);
+ searcher = new IndexSearcher(reader);
+
+ final double[] milesToTest = new double[] {6.0, 0.5, 0.001, 0.0};
+ final int[] expected = new int[] {7, 1, 0, 0};
+
+ for(int x=0;x<expected.length;x++) {
+
+ final double miles = milesToTest[x];
+
+ // create a distance query
+ final DistanceQueryBuilder dq = new DistanceQueryBuilder(lat, lng, miles,
+ latField, lngField, CartesianTierPlotter.DEFALT_FIELD_PREFIX, true, 2, 15);
+
+ if (VERBOSE) System.out.println(dq);
+ //create a term query to search against all documents
+ Query tq = new TermQuery(new Term("metafile", "doc"));
+
+ FieldScoreQuery fsQuery = new FieldScoreQuery("geo_distance", Type.FLOAT);
+
+ CustomScoreQuery customScore = new CustomScoreQuery(dq.getQuery(tq),fsQuery){
+ @Override
+ protected CustomScoreProvider getCustomScoreProvider(IndexReader reader) {
+ return new CustomScoreProvider(reader) {
+ @Override // TODO: broken, as reader is not used!
+ public float customScore(int doc, float subQueryScore, float valSrcScore){
+ if (VERBOSE) System.out.println(doc);
+ if (dq.distanceFilter.getDistance(doc) == null)
+ return 0;
+
+ double distance = dq.distanceFilter.getDistance(doc);
+ // boost score shouldn't exceed 1
+ if (distance < 1.0d)
+ distance = 1.0d;
+ //boost by distance is invertly proportional to
+ // to distance from center point to location
+ float score = (float) ( (miles - distance) / miles );
+ return score * subQueryScore;
+ }
+ };
+ }
+ };
+ // Create a distance sort
+ // As the radius filter has performed the distance calculations
+ // already, pass in the filter to reuse the results.
+ //
+ DistanceFieldComparatorSource dsort = new DistanceFieldComparatorSource(dq.distanceFilter);
+ Sort sort = new Sort(new SortField("foo", dsort,false));
+
+ // Perform the search, using the term query, the serial chain filter, and the
+ // distance sort
+ TopDocs hits = searcher.search(customScore.createWeight(searcher),null, 1000, sort);
+ int results = hits.totalHits;
+ ScoreDoc[] scoreDocs = hits.scoreDocs;
+
+ // Get a list of distances
+ Map<Integer,Double> distances = dq.distanceFilter.getDistances();
+
+ // distances calculated from filter first pass must be less than total
+ // docs, from the above test of 20 items, 12 will come from the boundary box
+ // filter, but only 5 are actually in the radius of the results.
+
+ // Note Boundary Box filtering, is not accurate enough for most systems.
+
+ if (VERBOSE) {
+ System.out.println("Distance Filter filtered: " + distances.size());
+ System.out.println("Results: " + results);
+ System.out.println("=============================");
+ System.out.println("Distances should be 7 "+ expected[x] + ":" + distances.size());
+ System.out.println("Results should be 7 "+ expected[x] + ":" + results);
+ }
+
+ assertEquals(expected[x], distances.size()); // fixed a store of only needed distances
+ assertEquals(expected[x], results);
+ double lastDistance = 0;
+ for(int i =0 ; i < results; i++){
+ Document d = searcher.doc(scoreDocs[i].doc);
+
+ String name = d.get("name");
+ double rsLat = NumericUtils.prefixCodedToDouble(d.get(latField));
+ double rsLng = NumericUtils.prefixCodedToDouble(d.get(lngField));
+ Double geo_distance = distances.get(scoreDocs[i].doc);
+
+ double distance = DistanceUtils.getDistanceMi(lat, lng, rsLat, rsLng);
+ double llm = DistanceUtils.getLLMDistance(lat, lng, rsLat, rsLng);
+ if (VERBOSE) System.out.println("Name: "+ name +", Distance "+ distance); //(res, ortho, harvesine):"+ distance +" |"+ geo_distance +"|"+ llm +" | score "+ hits.score(i));
+ assertTrue(Math.abs((distance - llm)) < 1);
+ assertTrue((distance < miles ));
+ assertTrue(geo_distance > lastDistance);
+ lastDistance = geo_distance;
+ }
+ }
+ searcher.close();
+ reader.close();
+ }
+
+
+
+ public void testGeoHashRange() throws IOException, InvalidGeoException {
+ IndexReader reader = IndexReader.open(directory);
+ searcher = new IndexSearcher(reader);
+
+ final double[] milesToTest = new double[] {6.0, 0.5, 0.001, 0.0};
+ final int[] expected = new int[] {7, 1, 0, 0};
+
+ for(int x=0;x<expected.length;x++) {
+ final double miles = milesToTest[x];
+
+ // create a distance query
+ final DistanceQueryBuilder dq = new DistanceQueryBuilder(lat, lng, miles,
+ geoHashPrefix, CartesianTierPlotter.DEFALT_FIELD_PREFIX, true, 2, 15);
+
+ if (VERBOSE) System.out.println(dq);
+ //create a term query to search against all documents
+ Query tq = new TermQuery(new Term("metafile", "doc"));
+
+ FieldScoreQuery fsQuery = new FieldScoreQuery("geo_distance", Type.FLOAT);
+ CustomScoreQuery customScore = new CustomScoreQuery(tq,fsQuery){
+ @Override
+ protected CustomScoreProvider getCustomScoreProvider(IndexReader reader) {
+ return new CustomScoreProvider(reader) {
+ @Override // TODO: broken, as reader is not used!
+ public float customScore(int doc, float subQueryScore, float valSrcScore){
+ if (VERBOSE) System.out.println(doc);
+ if (dq.distanceFilter.getDistance(doc) == null)
+ return 0;
+
+ double distance = dq.distanceFilter.getDistance(doc);
+ // boost score shouldn't exceed 1
+ if (distance < 1.0d)
+ distance = 1.0d;
+ //boost by distance is invertly proportional to
+ // to distance from center point to location
+ float score = (float) ( (miles - distance) / miles );
+ return score * subQueryScore;
+ }
+ };
+ }
+ };
+ // Create a distance sort
+ // As the radius filter has performed the distance calculations
+ // already, pass in the filter to reuse the results.
+ //
+ //DistanceFieldComparatorSource dsort = new DistanceFieldComparatorSource(dq.distanceFilter);
+ //Sort sort = new Sort(new SortField("foo", dsort));
+
+ // Perform the search, using the term query, the serial chain filter, and the
+ // distance sort
+ TopDocs hits = searcher.search(customScore.createWeight(searcher),dq.getFilter(), 1000); //,sort);
+ int results = hits.totalHits;
+ ScoreDoc[] scoreDocs = hits.scoreDocs;
+
+ // Get a list of distances
+ Map<Integer,Double> distances = dq.distanceFilter.getDistances();
+
+ // distances calculated from filter first pass must be less than total
+ // docs, from the above test of 20 items, 12 will come from the boundary box
+ // filter, but only 5 are actually in the radius of the results.
+
+ // Note Boundary Box filtering, is not accurate enough for most systems.
+
+ if (VERBOSE) {
+ System.out.println("Distance Filter filtered: " + distances.size());
+ System.out.println("Results: " + results);
+ System.out.println("=============================");
+ System.out.println("Distances should be 14 "+ expected[x] + ":" + distances.size());
+ System.out.println("Results should be 7 "+ expected[x] + ":" + results);
+ }
+
+ assertEquals(expected[x], distances.size());
+ assertEquals(expected[x], results);
+
+ for(int i =0 ; i < results; i++){
+ Document d = searcher.doc(scoreDocs[i].doc);
+
+ String name = d.get("name");
+ double rsLat = NumericUtils.prefixCodedToDouble(d.get(latField));
+ double rsLng = NumericUtils.prefixCodedToDouble(d.get(lngField));
+ Double geo_distance = distances.get(scoreDocs[i].doc);
+
+ double distance = DistanceUtils.getDistanceMi(lat, lng, rsLat, rsLng);
+ double llm = DistanceUtils.getLLMDistance(lat, lng, rsLat, rsLng);
+ if (VERBOSE) System.out.println("Name: "+ name +", Distance (res, ortho, harvesine):"+ distance +" |"+ geo_distance +"|"+ llm +" | score "+ scoreDocs[i].score);
+ assertTrue(Math.abs((distance - llm)) < 1);
+ assertTrue((distance < miles ));
+
+ }
+ }
+ searcher.close();
+ reader.close();
+ }
+}