| /* |
| * 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.parameter.ParameterValue; |
| import org.opengis.parameter.ParameterNotFoundException; |
| import org.opengis.referencing.operation.Matrix; |
| import org.opengis.referencing.operation.MathTransform; |
| import org.opengis.referencing.operation.MathTransformFactory; |
| import org.apache.sis.parameter.DefaultParameterDescriptorGroupTest; |
| import org.apache.sis.referencing.operation.matrix.Matrix3; |
| import org.apache.sis.test.DependsOnMethod; |
| import org.apache.sis.test.DependsOn; |
| import org.apache.sis.test.TestCase; |
| import org.junit.Test; |
| |
| import static java.lang.StrictMath.PI; |
| import static java.lang.StrictMath.toRadians; |
| import static org.opengis.test.Assert.*; |
| |
| |
| /** |
| * Tests {@link ContextualParameters}. |
| * |
| * @author Martin Desruisseaux (Geomatys) |
| * @version 1.0 |
| * @since 0.6 |
| * @module |
| */ |
| @DependsOn(DefaultParameterDescriptorGroupTest.class) |
| public final strictfp class ContextualParametersTest extends TestCase { |
| /** |
| * Creates an instance to use for testing purpose. |
| */ |
| private static ContextualParameters create(final int srcDim, final int dstDim) { |
| return new ContextualParameters(DefaultParameterDescriptorGroupTest.M1_M1_O1_O2, srcDim, dstDim); |
| } |
| |
| /** |
| * Tests {@link ContextualParameters#parameter(String)} and {@link ContextualParameters#values()}. |
| */ |
| @Test |
| public void testParameters() { |
| final ContextualParameters p = create(1, 1); |
| assertTrue("values().isEmpty()", p.values().isEmpty()); |
| assertTrue("normalize.isIdentity()", p.getMatrix(ContextualParameters.MatrixRole.NORMALIZATION).isIdentity()); |
| assertTrue("denormalize.isIdentity()", p.getMatrix(ContextualParameters.MatrixRole.DENORMALIZATION).isIdentity()); |
| assertTrue("normalize.isIdentity()", p.getMatrix(ContextualParameters.MatrixRole.INVERSE_NORMALIZATION).isIdentity()); |
| assertTrue("denormalize.isIdentity()", p.getMatrix(ContextualParameters.MatrixRole.INVERSE_DENORMALIZATION).isIdentity()); |
| |
| final ParameterValue<?> p1 = p.parameter("Mandatory 1"); |
| final ParameterValue<?> p2 = p.parameter("Mandatory 2"); |
| try { |
| p.parameter("Mandatory 3"); |
| fail("Shall not find a non-existent parameter."); |
| } catch (ParameterNotFoundException e) { |
| // This is the expected exception. |
| final String message = e.getMessage(); |
| assertTrue(message, message.contains("Mandatory 3")); |
| } |
| |
| assertNotSame(p1, p2); |
| assertSame(p1, p.parameter("Mandatory 1")); |
| assertSame(p2, p.parameter("Mandatory 2")); |
| assertEquals("values().size()", 2, p.values().size()); |
| assertArrayEquals("values.toArray()", new ParameterValue<?>[] {p1, p2}, p.values().toArray()); |
| } |
| |
| /** |
| * Tests {@link ContextualParameters#completeTransform(MathTransformFactory, MathTransform)} |
| * with identity normalization / denormalization transform. The complete transform should be |
| * equals to the kernel (often the same instance, but not necessarily because of caching). |
| * |
| * @throws FactoryException should never happen. |
| */ |
| @Test |
| public void testSameTransform() throws FactoryException { |
| final ContextualParameters p = create(1, 1); |
| p.parameter("Mandatory 1").setValue(4); |
| final MathTransform kernel = MathTransforms.linear(3, 4); |
| assertEquals(kernel, p.completeTransform(DefaultMathTransformFactoryTest.factory(), kernel)); |
| try { |
| p.parameter("Mandatory 1").setValue(10); |
| fail("Shall not be allowed to modify an immutable instance."); |
| } catch (UnsupportedOperationException e) { |
| // This is the expected exception. |
| final String message = e.getMessage(); |
| assertTrue(message, message.contains("ParameterValue")); |
| } |
| } |
| |
| /** |
| * Tests {@link ContextualParameters#completeTransform(MathTransformFactory, MathTransform)} |
| * with non-identity normalization transforms. |
| * |
| * @throws FactoryException should never happen. |
| */ |
| @Test |
| @DependsOnMethod("testSameTransform") |
| public void testCompleteTransform() throws FactoryException { |
| final ContextualParameters p = create(2, 2); |
| final Matrix normalize = p.normalizeGeographicInputs(12); |
| final Matrix denormalize = p.denormalizeGeographicOutputs(18); |
| final Matrix product = MathTransforms.getMatrix(p.completeTransform( |
| DefaultMathTransformFactoryTest.factory(), MathTransforms.identity(2))); |
| |
| assertMatrixEquals("normalize", new Matrix3( |
| PI/180, 0, toRadians(-12), |
| 0, PI/180, 0, |
| 0, 0, 1), normalize, 1E-16); |
| |
| assertMatrixEquals("denormalize", new Matrix3( |
| 180/PI, 0, 18, |
| 0, 180/PI, 0, |
| 0, 0, 1), denormalize, STRICT); |
| |
| assertMatrixEquals("product", new Matrix3( |
| 1, 0, 6, |
| 0, 1, 0, |
| 0, 0, 1), product, STRICT); |
| } |
| } |