Examples with Mosaic org.geotoolkit.data.multires.Mosaic used on opensource projects

Example 1 with Mosaic

use of org.geotoolkit.data.multires.Mosaic in project geotoolkit by Geomatys.

the class PGPyramidTest method testSampleDimensions.

@Test
public void testSampleDimensions() throws DataStoreException, VersioningException, IOException, TransformException {
    reload();
    final GeneralDirectPosition upperLeft = new GeneralDirectPosition(CommonCRS.WGS84.geographic());
    final Dimension dimension = new Dimension(20, 20);
    upperLeft.setOrdinate(0, -90);
    upperLeft.setOrdinate(1, +180);
    PyramidalCoverageResource cref;
    Pyramid pyramid;
    Mosaic mosaic;
    BufferedImage image;
    final GenericName name = NamesExt.create(null, "sampleTestLayer");
    store.add(new DefiningCoverageResource(name));
    // create version 1 -----------------------------------------------------
    cref = (PyramidalCoverageResource) store.findResource(name.toString());
    assertNotNull(cref);
    // test create pyramid
    pyramid = (Pyramid) cref.createModel(new DefiningPyramid(CommonCRS.WGS84.geographic()));
    assertEquals(1, cref.getModels().size());
    final List<SampleDimension> dimensions = new LinkedList<>();
    // dim 1
    SampleDimension.Builder b = new SampleDimension.Builder();
    b.addQuantitative("data", NumberRange.create(1, true, 100, true), MeasurementRange.create(-50.0, true, 45.6, true, Units.CELSIUS));
    b.addQualitative(Vocabulary.formatInternational(Vocabulary.Keys.Nodata), Double.NaN);
    final SampleDimension dim1 = b.setName("dim0").build();
    dimensions.add(0, dim1);
    // dim 2
    b.clear();
    b.addQuantitative("data", 1, 55, 2.0, 0.0, Units.METRE);
    b.addQualitative(null, 0);
    final SampleDimension dim2 = b.setName("dim1").build();
    dimensions.add(1, dim2);
    // test create SampleDimensions
    cref.setSampleDimensions(dimensions);
    List<SampleDimension> resultSamples = cref.getSampleDimensions();
    assertNotNull(resultSamples);
    assertEquals(2, resultSamples.size());
    SampleDimension resultDim1 = resultSamples.get(0);
    SampleDimension resultDim2 = resultSamples.get(1);
    assertNotNull(resultDim1);
    assertNotNull(resultDim2);
    assertEquals("dim0", resultDim1.getName().toString());
    assertEquals("dim1", resultDim2.getName().toString());
    assertEquals(Units.CELSIUS, resultDim1.getUnits());
    assertEquals(Units.METRE, resultDim2.getUnits());
    List<Category> resultCat1 = resultDim1.getCategories();
    List<Category> resultCat2 = resultDim2.getCategories();
    assertEquals(2, resultCat1.size());
    assertEquals(2, resultCat2.size());
// assertCategoryEquals(dataCat, resultCat1);
// assertCategoryEquals(nodataCat, resultCat1);
// assertCategoryEquals(dataCat2, resultCat2);
// assertCategoryEquals(nodataCat2, resultCat2);
}

Example 2 with Mosaic

use of org.geotoolkit.data.multires.Mosaic in project geotoolkit by Geomatys.

the class PGPyramidTest method testInsertUpdateDelete.

@Test
public void testInsertUpdateDelete() throws DataStoreException, VersioningException, IOException {
    reload();
    final GeneralDirectPosition upperLeft = new GeneralDirectPosition(CommonCRS.WGS84.geographic());
    final Dimension dimension = new Dimension(20, 20);
    upperLeft.setOrdinate(0, -90);
    upperLeft.setOrdinate(1, +180);
    PyramidalCoverageResource cref;
    Pyramid pyramid;
    Mosaic mosaic;
    RenderedImage image;
    final GenericName name = NamesExt.create(null, "versLayer");
    store.add(new DefiningCoverageResource(name));
    // create version 1 -----------------------------------------------------
    cref = (PyramidalCoverageResource) store.findResource(name.toString());
    assertNotNull(cref);
    // test create pyramid
    pyramid = (Pyramid) cref.createModel(new DefiningPyramid(CommonCRS.WGS84.geographic()));
    assertEquals(1, cref.getModels().size());
    // test create mosaic
    mosaic = pyramid.createMosaic(new DefiningMosaic(null, upperLeft, 1, dimension, new Dimension(1, 4)));
    pyramid = Pyramids.getPyramid(cref, pyramid.getIdentifier());
    assertEquals(1, pyramid.getMosaics().size());
    // test insert tile
    mosaic.writeTiles(Stream.of(new DefaultImageTile(createImage(dimension, Color.RED), new Point(0, 0)), new DefaultImageTile(createImage(dimension, Color.GREEN), new Point(0, 1)), new DefaultImageTile(createImage(dimension, Color.BLUE), new Point(0, 2)), new DefaultImageTile(createImage(dimension, Color.YELLOW), new Point(0, 3))), null);
    image = ((ImageTile) mosaic.getTile(0, 0)).getImage();
    assertImageColor(image, Color.RED);
    image = ((ImageTile) mosaic.getTile(0, 1)).getImage();
    assertImageColor(image, Color.GREEN);
    image = ((ImageTile) mosaic.getTile(0, 2)).getImage();
    assertImageColor(image, Color.BLUE);
    image = ((ImageTile) mosaic.getTile(0, 3)).getImage();
    assertImageColor(image, Color.YELLOW);
    // test delete tile
    mosaic.deleteTile(0, 1);
    assertNotNull(((ImageTile) mosaic.getTile(0, 2)).getInput());
    mosaic.deleteTile(0, 2);
    assertNull(((ImageTile) mosaic.getTile(0, 2)).getInput());
    // test update tile
    mosaic.writeTiles(Stream.of(new DefaultImageTile(createImage(dimension, Color.PINK), new Point(0, 3))), null);
    image = ((ImageTile) mosaic.getTile(0, 3)).getImageReader().read(3);
    assertImageColor(image, Color.PINK);
    // test delete mosaic
    pyramid.deleteMosaic(mosaic.getIdentifier());
    pyramid = Pyramids.getPyramid(cref, pyramid.getIdentifier());
    assertTrue(pyramid.getMosaics().isEmpty());
    // test delete pyramid
    cref.removeModel(pyramid.getIdentifier());
    assertTrue(cref.getModels().isEmpty());
}

Example 3 with Mosaic

use of org.geotoolkit.data.multires.Mosaic in project geotoolkit by Geomatys.

the class PGPyramid method createMosaic.

@Override
public Mosaic createMosaic(Mosaic template) throws DataStoreException {
    final Dimension gridSize = template.getGridSize();
    final Dimension tilePixelSize = template.getTileSize();
    final DirectPosition upperleft = template.getUpperLeftCorner();
    final double pixelscale = template.getScale();
    final PGCoverageStore pgstore = ref.getOriginator();
    long mosaicId = 0;
    Connection cnx = null;
    Statement stmt = null;
    ResultSet rs = null;
    try {
        cnx = pgstore.getDataSource().getConnection();
        cnx.setReadOnly(false);
        stmt = cnx.createStatement();
        StringBuilder query = new StringBuilder();
        query.append("INSERT INTO ");
        query.append(pgstore.encodeTableName("Mosaic"));
        query.append("(\"pyramidId\",\"upperCornerX\",\"upperCornerY\",\"gridWidth\",\"gridHeight\",\"scale\",\"tileWidth\",\"tileHeight\") VALUES (");
        query.append(id).append(',');
        query.append(upperleft.getOrdinate(0)).append(',');
        query.append(upperleft.getOrdinate(1)).append(',');
        query.append(gridSize.width).append(',');
        query.append(gridSize.height).append(',');
        query.append(pixelscale).append(',');
        query.append(tilePixelSize.width).append(',');
        query.append(tilePixelSize.height);
        query.append(")");
        stmt.executeUpdate(query.toString(), new String[] { "id" });
        rs = stmt.getGeneratedKeys();
        if (rs.next()) {
            mosaicId = rs.getLong(1);
        }
        final CoordinateReferenceSystem crs = upperleft.getCoordinateReferenceSystem();
        final CoordinateSystem cs = crs.getCoordinateSystem();
        for (int i = 2, n = cs.getDimension(); i < n; i++) {
            final double value = upperleft.getOrdinate(i);
            query = new StringBuilder();
            query.append("INSERT INTO ");
            query.append(pgstore.encodeTableName("MosaicAxis"));
            query.append("(\"mosaicId\",\"indice\",\"value\") VALUES (");
            query.append(mosaicId).append(',');
            query.append(i).append(',');
            query.append(value);
            query.append(")");
            stmt.executeUpdate(query.toString());
        }
    } catch (SQLException ex) {
        throw new DataStoreException(ex.getMessage(), ex);
    } finally {
        pgstore.closeSafe(cnx, stmt, rs);
    }
    ref.mustUpdate();
    final CoverageStoreManagementEvent event = ref.fireMosaicAdded(getIdentifier(), String.valueOf(mosaicId));
    pgstore.forwardEvent(event);
    for (final Pyramid p : ref.getPyramids()) {
        if (p.getIdentifier().equals(getIdentifier())) {
            for (Mosaic mosaic : p.getMosaics()) {
                if (((PGGridMosaic) mosaic).getDatabaseId() == mosaicId) {
                    return mosaic;
                }
            }
        }
    }
    // should not happen
    throw new DataStoreException("Generated mosaic not found.");
}

Example 4 with Mosaic

use of org.geotoolkit.data.multires.Mosaic in project geotoolkit by Geomatys.

the class PGCVersioningTest method testVersioning.

@Test
public void testVersioning() throws DataStoreException, VersioningException {
    reload();
    final GeneralDirectPosition upperLeft = new GeneralDirectPosition(CommonCRS.WGS84.geographic());
    final Dimension dimension = new Dimension(20, 20);
    final Calendar calendar = Calendar.getInstance(GMT0);
    upperLeft.setOrdinate(0, -90);
    upperLeft.setOrdinate(1, +180);
    List<Version> versions;
    Version version;
    PyramidalCoverageResource cref;
    Pyramid pyramid;
    Mosaic mosaic;
    GridCoverage coverage;
    final GenericName name = NamesExt.create(null, "versLayer");
    store.add(new DefiningCoverageResource(name));
    final VersionControl vc = store.getVersioning(name);
    versions = vc.list();
    assertTrue(versions.isEmpty());
    // create version 1 -----------------------------------------------------
    calendar.setTimeInMillis(0);
    final Date date1 = calendar.getTime();
    version = vc.createVersion(date1);
    cref = (PyramidalCoverageResource) store.findResource(name, version);
    assertNotNull(cref);
    // we need to create a pyramid otherwise the version not really be created
    pyramid = (Pyramid) cref.createModel(new DefiningPyramid(CommonCRS.WGS84.geographic()));
    mosaic = pyramid.createMosaic(new DefiningMosaic(null, upperLeft, 1, dimension, new Dimension(1, 1)));
    mosaic.writeTiles(Stream.of(new DefaultImageTile(createImage(dimension, Color.RED), new Point(0, 0))), null);
    versions = vc.list();
    assertEquals(1, versions.size());
    assertEquals(versions.get(0).getDate().getTime(), 0);
    assertEquals(date1.getTime(), versions.get(0).getDate().getTime());
    coverage = cref.read(null);
    assertImageColor(coverage.render(null), Color.RED);
    // create version 2 -----------------------------------------------------
    calendar.setTimeInMillis(50000);
    final Date date2 = calendar.getTime();
    version = vc.createVersion(date2);
    cref = (PyramidalCoverageResource) store.findResource(name, version);
    assertNotNull(cref);
    // we need to create a pyramid otherwise the version not really be created
    pyramid = (Pyramid) cref.createModel(new DefiningPyramid(CommonCRS.WGS84.geographic()));
    mosaic = pyramid.createMosaic(new DefiningMosaic(null, upperLeft, 1, dimension, new Dimension(1, 1)));
    mosaic.writeTiles(Stream.of(new DefaultImageTile(createImage(dimension, Color.BLUE), new Point(0, 0))), null);
    coverage = cref.read(null);
    assertImageColor(coverage.render(null), Color.BLUE);
    versions = vc.list();
    assertEquals(2, versions.size());
    assertEquals(versions.get(0).getDate().getTime(), 0);
    assertEquals(versions.get(1).getDate().getTime(), 50000);
    // create version 3 -----------------------------------------------------
    calendar.setTimeInMillis(20000);
    final Date date3 = calendar.getTime();
    version = vc.createVersion(date3);
    cref = (PyramidalCoverageResource) store.findResource(name, version);
    assertNotNull(cref);
    // we need to create a pyramid otherwise the version not really be created
    pyramid = (Pyramid) cref.createModel(new DefiningPyramid(CommonCRS.WGS84.geographic()));
    mosaic = pyramid.createMosaic(new DefiningMosaic(null, upperLeft, 1, dimension, new Dimension(1, 1)));
    mosaic.writeTiles(Stream.of(new DefaultImageTile(createImage(dimension, Color.BLUE), new Point(0, 0))), null);
    coverage = cref.read(null);
    assertImageColor(coverage.render(null), Color.GREEN);
    versions = vc.list();
    assertEquals(3, versions.size());
    assertEquals(versions.get(0).getDate().getTime(), 0);
    assertEquals(versions.get(1).getDate().getTime(), 20000);
    assertEquals(versions.get(2).getDate().getTime(), 50000);
    // try accesing different version ---------------------------------------
    cref = (PyramidalCoverageResource) store.findResource(name.toString());
    // we should have the blue image
    coverage = cref.read(null);
    assertImageColor(coverage.render(null), Color.BLUE);
    // grab by version
    cref = (PyramidalCoverageResource) store.findResource(name, versions.get(0));
    coverage = cref.read(null);
    assertImageColor(coverage.render(null), Color.RED);
    cref = (PyramidalCoverageResource) store.findResource(name, versions.get(1));
    coverage = cref.read(null);
    assertImageColor(coverage.render(null), Color.GREEN);
    cref = (PyramidalCoverageResource) store.findResource(name, versions.get(2));
    coverage = cref.read(null);
    assertImageColor(coverage.render(null), Color.BLUE);
    // drop some versions ---------------------------------------------------
    vc.dropVersion(versions.get(1));
    versions = vc.list();
    assertEquals(2, versions.size());
    assertEquals(versions.get(0).getDate().getTime(), 0);
    assertEquals(versions.get(1).getDate().getTime(), 50000);
    cref = (PyramidalCoverageResource) store.findResource(name, versions.get(0));
    coverage = cref.read(null);
    assertImageColor(coverage.render(null), Color.RED);
    cref = (PyramidalCoverageResource) store.findResource(name, versions.get(1));
    coverage = cref.read(null);
    assertImageColor(coverage.render(null), Color.BLUE);
}