+++ /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.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.optimize();
- 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);
- 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);
- }
-
- /*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 {
- searcher = new IndexSearcher(directory, true);
-
- 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();
- }
-
- public void testPoleFlipping() throws IOException, InvalidGeoException {
- searcher = new IndexSearcher(directory, true);
-
- 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();
- }
-
- public void testRange() throws IOException, InvalidGeoException {
- searcher = new IndexSearcher(directory, true);
-
- 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();
- }
-
-
-
- public void testGeoHashRange() throws IOException, InvalidGeoException {
- searcher = new IndexSearcher(directory, true);
-
- 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();
- }
-}
fnp / pylucene.git / blobdiff