Examples of org.opengis.metadata.extent.GeographicBoundingBox

org.opengis.metadata.extent.GeographicBoundingBox
eospatial.org/standards/as#01-111">ISO 19115 @author Martin Desruisseaux (IRD) @since GeoAPI 1.0

    /**
     * Tests {@link CRS#getEnvelope} and {@link CRS#getGeographicBoundingBox}.
     */
    public void testValidArea() throws FactoryException, TransformException {
        final CoordinateReferenceSystem crs = factory.createCoordinateReferenceSystem("7400");
        final GeographicBoundingBox bbox = CRS.getGeographicBoundingBox(crs);
        assertNotNull("No bounding box. Maybe an older EPSG database is running? " +
                      "Try to clear the tmp/Geotools directory.", bbox);
        assertEquals(42.25, bbox.getSouthBoundLatitude(), EPS);
        assertEquals(51.10, bbox.getNorthBoundLatitude(), EPS);
        assertEquals(-5.20, bbox.getWestBoundLongitude(), EPS);
        assertEquals( 8.23, bbox.getEastBoundLongitude(), EPS);
        final Envelope envelope = CRS.getEnvelope(crs);
        assertEquals(46.948, envelope.getMinimum(0), 1E-3);
        assertEquals(56.781, envelope.getMaximum(0), 1E-3);
        assertEquals(-8.375, envelope.getMinimum(1), 1E-3);
        assertEquals( 6.548, envelope.getMaximum(1), 1E-3);
        assertNull(CRS.getEnvelope(null));
        final GeographicBoundingBox rep = new GeographicBoundingBoxImpl(envelope);
        assertEquals(42.25, rep.getSouthBoundLatitude(), 1E-3);
        assertEquals(51.10, rep.getNorthBoundLatitude(), 1E-3);
        assertEquals(-5.20, rep.getWestBoundLongitude(), 1E-3);
        assertEquals( 8.23, rep.getEastBoundLongitude(), 1E-3);
    }

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     * @throws TransformException if a coordinate can't be transformed.
     */
    @Test
    public void testValidArea() throws FactoryException, TransformException {
        final CoordinateReferenceSystem crs = factory.createCoordinateReferenceSystem("7400");
        final GeographicBoundingBox bbox = CRS.getGeographicBoundingBox(crs);
        assertNotNull("No bounding box. Maybe an older EPSG database is running? " +
                      "Try to clear the tmp/Geotools directory.", bbox);
        assertEquals(42.25, bbox.getSouthBoundLatitude(), EPS);
        assertEquals(51.10, bbox.getNorthBoundLatitude(), EPS);
        assertEquals(-5.20, bbox.getWestBoundLongitude(), EPS);
        assertEquals( 8.23, bbox.getEastBoundLongitude(), EPS);
        final Envelope envelope = CRS.getEnvelope(crs);
        assertEquals(46.944, envelope.getMinimum(0), 1E-3);
        assertEquals(56.777, envelope.getMaximum(0), 1E-3);
        assertEquals(-8.375, envelope.getMinimum(1), 1E-3);
        assertEquals( 6.548, envelope.getMaximum(1), 1E-3);
        assertNull(CRS.getEnvelope(null));
        final GeographicBoundingBox rep = new GeographicBoundingBoxImpl(envelope);
        assertEquals(42.25, rep.getSouthBoundLatitude(), 1E-3);
        assertEquals(51.10, rep.getNorthBoundLatitude(), 1E-3);
        assertEquals(-5.20, rep.getWestBoundLongitude(), 1E-3);
        assertEquals( 8.23, rep.getEastBoundLongitude(), 1E-3);
    }

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                }
            }


            // ok, let's see if we have an area of validity then
            GeographicBoundingBox bbox = CRS.getGeographicBoundingBox(targetCRS);
            if (bbox != null) {
                ReferencedEnvelope restriction = new ReferencedEnvelope(
                        bbox.getEastBoundLongitude(), bbox.getWestBoundLongitude(),
                        bbox.getSouthBoundLatitude(), bbox.getNorthBoundLatitude(),
                        DefaultGeographicCRS.WGS84);
                Envelope intersection = envWGS84.intersection(restriction);
                if (intersection.isNull()) {
                    return null;
                } else {

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     * is found, then boxes are {@linkplain GeographicBoundingBoxImpl#add added} together.
     *
     * @since 2.2
     */
    public static GeographicBoundingBox getGeographicBoundingBox(final Extent extent) {
        GeographicBoundingBox candidate = null;
        if (extent != null) {
            GeographicBoundingBoxImpl modifiable = null;
            for (final GeographicExtent element : extent.getGeographicElements()) {
                final GeographicBoundingBox bounds;
                if (element instanceof GeographicBoundingBox) {
                    bounds = (GeographicBoundingBox) element;
                } else if (element instanceof BoundingPolygon) {
                    // TODO: iterates through all polygons and invoke Polygon.getEnvelope();
                    continue;
                } else {
                    continue;
                }
                /*
                 * A single geographic bounding box has been extracted. Now add it to previous
                 * ones (if any). All exclusion boxes before the first inclusion box are ignored.
                 */
                if (candidate == null) {
                    /*
                     * Reminder: 'inclusion' is a mandatory attribute, so it should never be
                     * null for a valid metadata object.  If the metadata object is invalid,
                     * it is better to get an exception than having a code doing silently
                     * some probably inappropriate work.
                     */
                    final Boolean inclusion = bounds.getInclusion();
                    ensureNonNull("inclusion", inclusion);
                    if (inclusion.booleanValue()) {
                        candidate = bounds;
                    }
                } else {

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            /*
             * Set the valid area as the intersection of source CRS and target CRS valid area.
             */
            final CoordinateReferenceSystem sourceCRS = getSourceCRS();
            final CoordinateReferenceSystem targetCRS = getTargetCRS();
            final GeographicBoundingBox sourceBox = CRS.getGeographicBoundingBox(sourceCRS);
            final GeographicBoundingBox targetBox = CRS.getGeographicBoundingBox(targetCRS);
            final GeographicBoundingBox validArea;
            if (sourceBox == null) {
                validArea = targetBox;
            } else if (targetBox == null) {
                validArea = sourceBox;
            } else {

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         * If no envelope was found, uses the geographic bounding box as a fallback. We will
         * need to transform it from WGS84 to the supplied CRS. This step was not required in
         * the previous block because the later selected only envelopes in the right CRS.
         */
        if (envelope == null) {
            final GeographicBoundingBox bounds = getGeographicBoundingBox(crs);
            if (bounds != null && !Boolean.FALSE.equals(bounds.getInclusion())) {
                envelope = merged = new GeneralEnvelope(
                        new double[] {bounds.getWestBoundLongitude(), bounds.getSouthBoundLatitude()},
                        new double[] {bounds.getEastBoundLongitude(), bounds.getNorthBoundLatitude()});
                /*
                 * We do not assign WGS84 inconditionnaly to the geographic bounding box, because
                 * it is not defined to be on a particular datum; it is only approximative bounds.
                 * We try to get the GeographicCRS from the user-supplied CRS and fallback on WGS
                 * 84 only if we found none.

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     * @see #getEnvelope
     *
     * @since 2.3
     */
    public static GeographicBoundingBox getGeographicBoundingBox(final CoordinateReferenceSystem crs) {
        GeographicBoundingBox     bounds = null;
        GeographicBoundingBoxImpl merged = null;
        if (crs != null) {
            final Extent domainOfValidity = crs.getDomainOfValidity();
            if (domainOfValidity != null) {
                for (final GeographicExtent extent : domainOfValidity.getGeographicElements()) {
                    if (extent instanceof GeographicBoundingBox) {
                        final GeographicBoundingBox candidate = (GeographicBoundingBox) extent;
                        if (bounds == null) {
                            bounds = candidate;
                        } else {
                            if (merged == null) {
                                bounds = merged = new GeographicBoundingBoxImpl(bounds);

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        DataStore ds = DataStoreFinder.getDataStore(params);
        return ds.getFeatureSource(ds.getTypeNames()[0]);
    }


    private Geometry getGeographicBoundingBox(CoordinateReferenceSystem crs) {
        GeographicBoundingBox envelope = CRS.getGeographicBoundingBox(crs);
        if (envelope == null) {
            return null;
        }


        final double westBoundLongitude = envelope.getWestBoundLongitude();
        final double eastBoundLongitude = envelope.getEastBoundLongitude();
        final double southBoundLatitude = envelope.getSouthBoundLatitude();
        final double northBoundLatitude = envelope.getNorthBoundLatitude();


        final int numSteps = 80;
        Geometry geogBoundingGeom;


        if (westBoundLongitude < eastBoundLongitude) {

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                // GeographicBoundingBox box = CRS.getGeographicBoundingBox(crs);
                // jsBbox = "[" + box.getWestBoundLongitude() + "," + box.getSouthBoundLatitude()
                // + "," + box.getEastBoundLongitude() + "," + box.getNorthBoundLatitude()
                // + "]";


                GeographicBoundingBox box = CRS.getGeographicBoundingBox(crs);


                double westBoundLongitude = box.getWestBoundLongitude();
                double eastBoundLongitude = box.getEastBoundLongitude();
                double southBoundLatitude = box.getSouthBoundLatitude();
                double northBoundLatitude = box.getNorthBoundLatitude();


                double[] dst1;
                double[] dst2;
                try {
                    MathTransform tr = CRS.findMathTransform(CRS.decode("EPSG:4326"), crs, true);

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                                        } 
                                        catch( Exception ex ) {
                                            throw new WFSException( ex );
                                        }
                                        
                                        GeographicBoundingBox valid = 
                                            (GeographicBoundingBox) crs.getDomainOfValidity()
                                            .getGeographicElements().iterator().next();
                                        
                                        if ( e.getMinimum(0) < valid.getWestBoundLongitude() || 
                                            e.getMinimum(0) > valid.getEastBoundLongitude() || 
                                            e.getMaximum(0) < valid.getWestBoundLongitude() || 
                                            e.getMaximum(0) > valid.getEastBoundLongitude() ||
                                            e.getMinimum(1) < valid.getSouthBoundLatitude() || 
                                            e.getMinimum(1) > valid.getNorthBoundLatitude() || 
                                            e.getMaximum(1) < valid.getSouthBoundLatitude() || 
                                            e.getMaximum(1) > valid.getNorthBoundLatitude() ) {
                                                
                                            throw new WFSException( "bounding box out of valid range of crs", "InvalidParameterValue");
                                        }
                                    }

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