/*
* 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.sis.distance;
// JDK imports
import java.awt.geom.Rectangle2D;
// SIS imports
import org.apache.sis.test.TestCase;
import org.apache.sis.geometry.DirectPosition2D;
// JUnit imports
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Tests methods from the {@link LatLonPointRadius} class.
*
* @author rlaidlaw
*/
public strictfp class LatLonPointRadiusTest extends TestCase
{
private static final double EPSILON = 0.000001;
/**
* Tests the LatLonPointRadius constructor.
*/
@Test
public void testCreateLatLonPointRadius()
{
LatLonPointRadius region = new LatLonPointRadius(new DirectPosition2D(0.0, 0.0), 100.0);
assertNotNull(region);
}
/**
* Tests the getCircularRegionApproximation() method.
*/
@Test
public void testGetCircularRegionApproximation()
{
LatLonPointRadius pr1 = new LatLonPointRadius(new DirectPosition2D(0.0, 0.0), 25000.0);
DirectPosition2D pts1[] = pr1.getCircularRegionApproximation(10);
assertEquals(5, pts1.length);
assertEquals(-90.0, pts1[0].y, EPSILON);
assertEquals(-180.0, pts1[0].x, EPSILON);
assertEquals(90.0, pts1[1].y, EPSILON);
assertEquals(-180.0, pts1[1].x, EPSILON);
assertEquals(90.0, pts1[2].y, EPSILON);
assertEquals(180.0, pts1[2].x, EPSILON);
assertEquals(-90.0, pts1[3].y, EPSILON);
assertEquals(180.0, pts1[3].x, EPSILON);
assertEquals(-90.0, pts1[4].y, EPSILON);
assertEquals(-180.0, pts1[4].x, EPSILON);
LatLonPointRadius pr2 = new LatLonPointRadius(new DirectPosition2D(0.0, 0.0), 1000.0);
DirectPosition2D pts2[] = pr2.getCircularRegionApproximation(6);
assertEquals(7, pts2.length);
}
/**
* Tests the getRectangularRegionApproximation() method.
*/
@Test
public void testGetRectangularRegionApproximation()
{
LatLonPointRadius pr1 = new LatLonPointRadius(new DirectPosition2D(0.0, 0.0), 25000.0);
Rectangle2D r1 = pr1.getRectangularRegionApproximation(10);
assertEquals(0.0, r1.getX(), EPSILON);
assertEquals(0.0, r1.getY(), EPSILON);
assertEquals(360.0, r1.getWidth(), EPSILON);
assertEquals(180.0, r1.getHeight(), EPSILON);
}
}