| /* |
| * 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.referencing.operation.transform; |
| |
| import org.opengis.util.FactoryException; |
| import org.opengis.referencing.operation.TransformException; |
| |
| // Test dependencies |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.api.extension.ExtendWith; |
| import org.apache.sis.test.FailureDetailsReporter; |
| import org.apache.sis.test.TestUtilities; |
| |
| |
| /** |
| * Tests {@link CartesianToPolar}. |
| * |
| * @author Martin Desruisseaux (Geomatys) |
| */ |
| @ExtendWith(FailureDetailsReporter.class) |
| public final class CartesianToPolarTest extends TransformTestCase { |
| /** |
| * Creates a new test case. |
| */ |
| public CartesianToPolarTest() { |
| } |
| |
| /** |
| * Tests coordinate conversions in the polar case. |
| * |
| * @throws FactoryException if the transform cannot be created. |
| * @throws TransformException if a coordinate cannot be transformed. |
| */ |
| @Test |
| public void testConversion() throws FactoryException, TransformException { |
| transform = CartesianToPolar.INSTANCE.completeTransform(DefaultMathTransformFactory.provider()); |
| tolerance = 1E-12; |
| final double[][] data = PolarToCartesianTest.testData(false); |
| verifyTransform(data[1], data[0]); |
| } |
| |
| /** |
| * Tests coordinate conversions in the cylindrical case. |
| * |
| * @throws FactoryException if the transform cannot be created. |
| * @throws TransformException if a coordinate cannot be transformed. |
| */ |
| @Test |
| public void testCylindricalConversion() throws FactoryException, TransformException { |
| transform = CartesianToPolar.INSTANCE.passthrough(DefaultMathTransformFactory.provider()); |
| tolerance = 1E-12; |
| final double[][] data = PolarToCartesianTest.testData(true); |
| verifyTransform(data[1], data[0]); |
| } |
| |
| /** |
| * Tests calculation of a transform derivative in the polar case. |
| * |
| * @throws FactoryException if the transform cannot be created. |
| * @throws TransformException if a coordinate cannot be transformed. |
| */ |
| @Test |
| public void testDerivative() throws FactoryException, TransformException { |
| transform = CartesianToPolar.INSTANCE.completeTransform(DefaultMathTransformFactory.provider()); |
| derivativeDeltas = new double[] {1E-6, 1E-6}; |
| tolerance = 1E-7; |
| verifyDerivative(30, 60); |
| } |
| |
| /** |
| * Tests calculation of a transform derivative in the cylindrical case. |
| * |
| * @throws FactoryException if the transform cannot be created. |
| * @throws TransformException if a coordinate cannot be transformed. |
| */ |
| @Test |
| public void testCylindricalDerivative() throws FactoryException, TransformException { |
| transform = CartesianToPolar.INSTANCE.passthrough(DefaultMathTransformFactory.provider()); |
| derivativeDeltas = new double[] {1E-6, 1E-6, 1E-6}; |
| tolerance = 1E-7; |
| verifyDerivative(30, 60, 100); |
| } |
| |
| /** |
| * Tests calculation of a transform derivative in the polar case. |
| * |
| * @throws FactoryException if the transform cannot be created. |
| * @throws TransformException if a coordinate cannot be transformed. |
| */ |
| @Test |
| public void testConsistency() throws FactoryException, TransformException { |
| transform = CartesianToPolar.INSTANCE.completeTransform(DefaultMathTransformFactory.provider()); |
| derivativeDeltas = new double[] {1E-6, 1E-6}; |
| tolerance = 2E-7; |
| verifyInDomain(new double[] {-100, -100}, // Minimal coordinates |
| new double[] {+100, +100}, // Maximal coordinates |
| new int[] { 10, 10}, |
| TestUtilities.createRandomNumberGenerator()); |
| } |
| |
| /** |
| * Tests calculation of a transform derivative in the cylindrical case. |
| * |
| * @throws FactoryException if the transform cannot be created. |
| * @throws TransformException if a coordinate cannot be transformed. |
| */ |
| @Test |
| public void testCylindricalConsistency() throws FactoryException, TransformException { |
| transform = CartesianToPolar.INSTANCE.passthrough(DefaultMathTransformFactory.provider()); |
| derivativeDeltas = new double[] {1E-6, 1E-6, 1E-6}; |
| tolerance = 2E-7; |
| verifyInDomain(new double[] {-100, -100, -100}, // Minimal coordinates |
| new double[] {+100, +100, +100}, // Maximal coordinates |
| new int[] { 10, 10, 10}, |
| TestUtilities.createRandomNumberGenerator()); |
| } |
| } |