/*
* 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.spatial3d;
import org.apache.lucene.spatial3d.geom.GeoPoint;
import org.apache.lucene.spatial3d.geom.PlanetModel;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.TestUtil;
public class TestGeo3DDocValues extends LuceneTestCase {
public void testBasic() throws Exception {
checkPointEncoding(0.0, 0.0);
checkPointEncoding(45.0, 72.0);
checkPointEncoding(-45.0, -100.0);
final int testAmt = TestUtil.nextInt(random(), 1000, 2000);
for (int i = 0; i < testAmt; i++) {
checkPointEncoding(random().nextDouble() * 180.0 - 90.0, random().nextDouble() * 360.0 - 180.0);
}
}
void checkPointEncoding(final double latitude, final double longitude) {
final GeoPoint point = new GeoPoint(PlanetModel.WGS84, Geo3DUtil.fromDegrees(latitude), Geo3DUtil.fromDegrees(longitude));
long pointValue = Geo3DDocValuesField.encodePoint(point);
final double x = Geo3DDocValuesField.decodeXValue(pointValue);
final double y = Geo3DDocValuesField.decodeYValue(pointValue);
final double z = Geo3DDocValuesField.decodeZValue(pointValue);
final GeoPoint pointR = new GeoPoint(x,y,z);
// Check whether stable
pointValue = Geo3DDocValuesField.encodePoint(x, y, z);
assertEquals(x, Geo3DDocValuesField.decodeXValue(pointValue), 0.0);
assertEquals(y, Geo3DDocValuesField.decodeYValue(pointValue), 0.0);
assertEquals(z, Geo3DDocValuesField.decodeZValue(pointValue), 0.0);
// Check whether has some relationship with original point
assertEquals(0.0, point.arcDistance(pointR), 0.02);
}
}