uk.ac.diamond.scisoft.analysis.io.DiffractionImageTest.java Source code

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Here is the source code for uk.ac.diamond.scisoft.analysis.io.DiffractionImageTest.java

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/*
 * Copyright (c) 2012 Diamond Light Source Ltd.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */

package uk.ac.diamond.scisoft.analysis.io;

import javax.vecmath.Vector3d;

import org.apache.commons.lang.SerializationUtils;
import org.eclipse.dawnsci.analysis.api.diffraction.DetectorProperties;
import org.eclipse.dawnsci.analysis.api.diffraction.DiffractionCrystalEnvironment;
import org.eclipse.dawnsci.analysis.api.metadata.IDiffractionMetadata;
import org.eclipse.dawnsci.analysis.api.metadata.IMetadata;
import org.eclipse.dawnsci.analysis.dataset.impl.Dataset;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;

import uk.ac.diamond.scisoft.analysis.IOTestUtils;

public class DiffractionImageTest {
    static String testfile1 = null;
    static String testfile2 = null;
    static String testfile3 = null;

    static String TestFileFolder;

    @BeforeClass
    static public void setUpClass() {
        TestFileFolder = IOTestUtils.getGDALargeTestFilesLocation();
        testfile1 = TestFileFolder + "ADSCImageTest/F6_1_001.img";
        testfile2 = TestFileFolder + "MARImageTest/mar225_001.mccd";
        testfile3 = TestFileFolder + "CBFLoaderTest/xtal5e_1_0010.cbf";
    }

    /**
     * Test Loading
     * 
     * @throws Exception if the loading fails
     */
    @Test
    public void testLoaderFactory() throws Exception {

        if (LoaderFactory.getData(testfile1, null) == null)
            throw new Exception();
        if (LoaderFactory.getData(testfile2, null) == null)
            throw new Exception();
        if (LoaderFactory.getData(testfile3, null) == null)
            throw new Exception();
    }

    DetectorProperties detprops;
    DiffractionCrystalEnvironment dce;

    /**
     * Test Loading
     * 
     * @throws Exception if the loading fails
     */
    @Test
    public void testMetadata() throws Exception {
        DataHolder dh = new ADSCImageLoader(testfile1).loadFile();
        IMetadata metadata = dh.getDataset(0).getMetadata();
        if (metadata instanceof IDiffractionMetadata) {
            detprops = ((IDiffractionMetadata) metadata).getDetector2DProperties();
            dce = ((IDiffractionMetadata) metadata).getDiffractionCrystalEnvironment();
        }
        double detSizeX = detprops.getDetectorSizeH();
        double detSizeY = detprops.getDetectorSizeV();
        double diagDetSize = Math.sqrt((detSizeX * detSizeX) + (detSizeY * detSizeY));
        int[] detectorCorners = { 0, 0, 0, detprops.getPx(), detprops.getPy(), 0, detprops.getPx(),
                detprops.getPy() };
        System.out.println(
                "ADSC " + detSizeX + " pix size " + detprops.getHPxSize() + " num pix " + detprops.getPx());

        Vector3d px1topx4 = new Vector3d();
        px1topx4.sub(detprops.pixelPosition(detectorCorners[0], detectorCorners[1]),
                detprops.pixelPosition(detprops.getPx(), detprops.getPy()));
        Assert.assertEquals(diagDetSize, px1topx4.length(), 0.00001);
    }

    @Test
    public void testMAR() throws Exception {
        DataHolder dh = new MARLoader(testfile2).loadFile();
        IMetadata metadata = dh.getDataset(0).getMetadata();
        if (metadata instanceof IDiffractionMetadata) {
            detprops = ((IDiffractionMetadata) metadata).getDetector2DProperties();
            dce = ((IDiffractionMetadata) metadata).getDiffractionCrystalEnvironment();
        }
        double detSizeX = detprops.getDetectorSizeH();
        double detSizeY = detprops.getDetectorSizeV();
        System.out
                .println("MAR " + detSizeX + " pix size " + detprops.getHPxSize() + " num pix " + detprops.getPx());
        double diagDetSize = Math.sqrt((detSizeX * detSizeX) + (detSizeY * detSizeY));
        int[] detectorCorners = { 0, 0, 0, detprops.getPx(), detprops.getPy(), 0, detprops.getPx(),
                detprops.getPy() };
        Vector3d px1topx4 = new Vector3d();
        px1topx4.sub(detprops.pixelPosition(detectorCorners[0], detectorCorners[1]),
                detprops.pixelPosition(detprops.getPx(), detprops.getPy()));
        Assert.assertEquals(diagDetSize, px1topx4.length(), 0.00001);
    }

    @Test
    public void testminiCBF() throws Exception {
        DataHolder dh = new CBFLoader(testfile3).loadFile();
        IMetadata metadata = dh.getDataset(0).getMetadata();
        if (metadata instanceof IDiffractionMetadata) {
            detprops = ((IDiffractionMetadata) metadata).getDetector2DProperties();
            dce = ((IDiffractionMetadata) metadata).getDiffractionCrystalEnvironment();
        }
        double detSizeX = detprops.getDetectorSizeH();
        double detSizeY = detprops.getDetectorSizeV();
        System.out.println(
                "mini cbf " + detSizeX + " pix size " + detprops.getHPxSize() + " num pix " + detprops.getPx());
        double diagDetSize = Math.sqrt((detSizeX * detSizeX) + (detSizeY * detSizeY));
        int[] detectorCorners = { 0, 0, 0, detprops.getPx(), detprops.getPy(), 0, detprops.getPx(),
                detprops.getPy() };
        Vector3d px1topx4 = new Vector3d();
        px1topx4.sub(detprops.pixelPosition(detectorCorners[0], detectorCorners[1]),
                detprops.pixelPosition(detprops.getPx(), detprops.getPy()));
        Assert.assertEquals(diagDetSize, px1topx4.length(), 0.00001);
    }

    @Test
    public void testSerializability() throws Exception {
        Dataset data;
        data = new ADSCImageLoader(testfile1).loadFile().getDataset(0);
        SerializationUtils.serialize(data.getMetadata());

        data = new MARLoader(testfile2).loadFile().getDataset(0);
        SerializationUtils.serialize(data.getMetadata());

        data = new CBFLoader(testfile3).loadFile().getDataset(0);
        SerializationUtils.serialize(data.getMetadata());
    }

}