/*
* 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 com.spatial4j.core.shape;
import com.spatial4j.core.TestLog;
import com.spatial4j.core.context.SpatialContext;
import com.spatial4j.core.context.SpatialContextFactory;
import com.spatial4j.core.shape.impl.Range;
import com.spatial4j.core.shape.impl.RectangleImpl;
import org.junit.Rule;
import org.junit.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import static com.spatial4j.core.shape.SpatialRelation.CONTAINS;
/** @author David Smiley - dsmiley@mitre.org */
public class ShapeCollectionTest extends RandomizedShapeTest {
@Rule
public final TestLog testLog = TestLog.instance;
@Test
public void testBbox() {
validateWorld(-180, 180, -180, 180);
validateWorld(-180, 0, 0, +180);
validateWorld(-90, +90, +90, -90);
}
private void validateWorld(double r1MinX, double r1MaxX, double r2MinX, double r2MaxX) {
ctx = SpatialContext.GEO;
Rectangle r1 = ctx.makeRectangle(r1MinX, r1MaxX, -10, 10);
Rectangle r2 = ctx.makeRectangle(r2MinX, r2MaxX, -10, 10);
ShapeCollection<Rectangle> s = new ShapeCollection<Rectangle>(Arrays.asList(r1,r2), ctx);
assertEquals(Range.LongitudeRange.WORLD_180E180W, new Range.LongitudeRange(s.getBoundingBox()));
//flip r1, r2 order
s = new ShapeCollection<Rectangle>(Arrays.asList(r2,r1), ctx);
assertEquals(Range.LongitudeRange.WORLD_180E180W, new Range.LongitudeRange(s.getBoundingBox()));
}
@Test
public void testRectIntersect() {
SpatialContext ctx = new SpatialContextFactory()
{{geo = false; worldBounds = new RectangleImpl(-100, 100, -50, 50, null);}}.newSpatialContext();
new ShapeCollectionRectIntersectionTestHelper(ctx).testRelateWithRectangle();
}
@Test
public void testGeoRectIntersect() {
ctx = SpatialContext.GEO;
new ShapeCollectionRectIntersectionTestHelper(ctx).testRelateWithRectangle();
}
private class ShapeCollectionRectIntersectionTestHelper extends RectIntersectionTestHelper<ShapeCollection> {
private ShapeCollectionRectIntersectionTestHelper(SpatialContext ctx) {
super(ctx);
}
@Override
protected ShapeCollection generateRandomShape(Point nearP) {
testLog.log("Break on nearP.toString(): {}", nearP);
List<Rectangle> shapes = new ArrayList<Rectangle>();
int count = randomIntBetween(1,4);
for(int i = 0; i < count; i++) {
//1st 2 are near nearP, the others are anywhere
shapes.add(randomRectangle( i < 2 ? nearP : null));
}
ShapeCollection shapeCollection = new ShapeCollection<Rectangle>(shapes, ctx);
//test shapeCollection.getBoundingBox();
Rectangle msBbox = shapeCollection.getBoundingBox();
if (shapes.size() == 1) {
assertEquals(shapes.get(0), msBbox.getBoundingBox());
} else {
for (Rectangle shape : shapes) {
assertRelation("bbox contains shape", CONTAINS, msBbox, shape);
}
}
return shapeCollection;
}
protected Point randomPointInEmptyShape(ShapeCollection shape) {
Rectangle r = (Rectangle) shape.getShapes().get(0);
return randomPointIn(r);
}
}
}