/**
* Tests all map projection creation.
*
* @throws FactoryException If a CRS can not be created.
*/
@Test
public void testMapProjections() throws FactoryException {
out.println();
out.println("Testing classification names");
out.println("----------------------------");
final CRSFactory crsFactory = ReferencingFactoryFinder.getCRSFactory(null);
final MathTransformFactory mtFactory = ReferencingFactoryFinder.getMathTransformFactory(null);
final Collection<OperationMethod> methods = mtFactory.getAvailableMethods(Projection.class);
final Map<String, ?> dummyName = Collections.singletonMap("name", "Test");
for (final OperationMethod method : methods) {
final String classification = method.getName().getCode();
final ParameterValueGroup param = mtFactory.getDefaultParameters(classification);
try {
param.parameter("semi_major").setValue(6377563.396);
param.parameter("semi_minor").setValue(6356256.909237285);
} catch (IllegalArgumentException e) {
// Above parameters do not exists. Ignore.
}
final MathTransform mt;
try {
mt = mtFactory.createParameterizedTransform(param);
} catch (FactoryException e) {
// Probably not a map projection. This test is mostly about projection, so ignore.
continue;
} catch (UnsupportedOperationException e) {
continue;
}
if (mt instanceof MapProjection) {
/*
* Tests map projection properties. Some tests are ommitted for south-oriented
* map projections, since they are implemented as a concatenation of their North-
* oriented variants with an affine transform.
*/
out.println(classification);
final boolean skip =
classification.equalsIgnoreCase("Transverse Mercator (South Orientated)")
|| classification.equalsIgnoreCase("Equidistant_Cylindrical");
if (!skip) {
assertEquals(
classification, ((MapProjection) mt).getParameterDescriptors().getName().getCode());
}
final ProjectedCRS projCRS =
crsFactory.createProjectedCRS(
dummyName,
DefaultGeographicCRS.WGS84,
new DefiningConversion(dummyName, method, mt),
DefaultCartesianCS.PROJECTED);
final Conversion conversion = projCRS.getConversionFromBase();
assertSame(mt, conversion.getMathTransform());
final OperationMethod projMethod = conversion.getMethod();
assertEquals(classification, projMethod.getName().getCode());
}
}
}
public void testRead() throws Exception {
URL url = TestData.url("shapes/pointtest.shp");
ShapefileDataStore ds =
(ShapefileDataStore) new ShapefileDataStoreFactory().createDataStore(url);
Envelope env = ds.getFeatureSource().getBounds();
CoordinateReferenceSystem crs = DefaultGeographicCRS.WGS84;
MathTransform mt = CRS.findMathTransform(crs, DefaultGeographicCRS.WGS84);
Rectangle rectangle = new Rectangle(300, 0, 300, 300);
AffineTransform transform = RendererUtilities.worldToScreenTransform(env, rectangle);
GeneralMatrix matrix = new GeneralMatrix(transform);
MathTransform at =
ReferencingFactoryFinder.getMathTransformFactory(null).createAffineTransform(matrix);
mt = ReferencingFactoryFinder.getMathTransformFactory(null).createConcatenatedTransform(mt, at);
ShapefileReader reader =
new ShapefileReader(ShapefileRendererUtil.getShpFiles(ds), false, false);
reader.setHandler(
new org.geotools.renderer.shape.shapehandler.jts.PointHandler(
reader.getHeader().getShapeType(), env, rectangle, mt, false));
Object shape = reader.nextRecord().shape();
assertNotNull(shape);
assertTrue(shape instanceof Geometry);
Coordinate[] coords = ((Geometry) shape).getCoordinates();
for (int i = 0; i < coords.length; i++) {
Coordinate coordinate = coords[i];
assertNotNull(coordinate);
}
int i = 0;
while (reader.hasNext()) {
i++;
shape = reader.nextRecord().shape();
assertNotNull(shape);
assertTrue(shape instanceof Geometry);
}
assertEquals(ds.getFeatureSource().getCount(Query.ALL) - 1, i);
}
private static MathTransform createTransverseMercatorMathTransform(
TransverseMercatorDescriptor.TMT t) throws FactoryException {
final MathTransformFactory transformFactory =
ReferencingFactoryFinder.getMathTransformFactory(null);
final ParameterValueGroup parameters = transformFactory.getDefaultParameters("EPSG:9807");
parameters.parameter("semi_major").setValue(t.getSemiMajor());
parameters.parameter("semi_minor").setValue(t.getSemiMinor());
parameters.parameter("central_meridian").setValue(t.getCentralMeridian());
parameters.parameter("latitude_of_origin").setValue(t.getLatitudeOfOrigin());
parameters.parameter("scale_factor").setValue(t.getScaleFactor());
parameters.parameter("false_easting").setValue(t.getFalseEasting());
parameters.parameter("false_northing").setValue(t.getFalseNorthing());
return transformFactory.createParameterizedTransform(parameters);
}
private static MathTransform createAlbersConicEqualAreaMathTransform(
AlbersEqualAreaConicDescriptor.AEAC t) throws FactoryException {
final MathTransformFactory transformFactory =
ReferencingFactoryFinder.getMathTransformFactory(null);
final ParameterValueGroup parameters = transformFactory.getDefaultParameters("EPSG:9822");
parameters.parameter("semi_major").setValue(t.getSemiMajor());
parameters.parameter("semi_minor").setValue(t.getSemiMinor());
parameters.parameter("central_meridian").setValue(t.getCentralMeridian());
parameters.parameter("latitude_of_origin").setValue(t.getLatitudeOfOrigin());
parameters.parameter("standard_parallel_1").setValue(t.getStandardParallel1());
parameters.parameter("standard_parallel_2").setValue(t.getStandardParallel2());
parameters.parameter("false_easting").setValue(t.getFalseEasting());
parameters.parameter("false_northing").setValue(t.getFalseNorthing());
return transformFactory.createParameterizedTransform(parameters);
}
public static void attachGeoCoding(
Product p,
double upperLeftLon,
double upperLeftLat,
double lowerRightLon,
double lowerRightLat,
String projection,
double[] projectionParameter) {
double pixelSizeX = (lowerRightLon - upperLeftLon) / p.getSceneRasterWidth();
double pixelSizeY = (upperLeftLat - lowerRightLat) / p.getSceneRasterHeight();
AffineTransform transform = new AffineTransform();
transform.translate(upperLeftLon, upperLeftLat);
transform.scale(pixelSizeX, -pixelSizeY);
transform.translate(PIXEL_CENTER, PIXEL_CENTER);
Rectangle imageBounds = new Rectangle(p.getSceneRasterWidth(), p.getSceneRasterHeight());
if (projection.equals("GCTP_GEO")) {
if ((upperLeftLon >= -180 && upperLeftLon <= 180)
&& (upperLeftLat >= -90 && upperLeftLat <= 90)
&& (lowerRightLon >= -180 && lowerRightLon <= 180)
&& (lowerRightLat >= -90 && lowerRightLat <= 90)) {
try {
p.setGeoCoding(new CrsGeoCoding(DefaultGeographicCRS.WGS84, imageBounds, transform));
} catch (FactoryException | TransformException ignore) {
}
}
} else {
if (projection.equals("GCTP_SNSOID")) {
final MathTransformFactory transformFactory =
ReferencingFactoryFinder.getMathTransformFactory(null);
ParameterValueGroup parameters;
try {
parameters = transformFactory.getDefaultParameters("OGC:Sinusoidal");
} catch (NoSuchIdentifierException ignore) {
return;
}
double semi_major;
double semi_minor;
if (projectionParameter != null) {
semi_major = projectionParameter[0];
semi_minor = projectionParameter[1];
if (semi_minor == 0) {
semi_minor = semi_major;
}
} else {
Ellipsoid ellipsoid = DefaultGeographicCRS.WGS84.getDatum().getEllipsoid();
semi_major = ellipsoid.getSemiMajorAxis();
semi_minor = ellipsoid.getSemiMinorAxis();
}
parameters.parameter("semi_major").setValue(semi_major);
parameters.parameter("semi_minor").setValue(semi_minor);
MathTransform mathTransform;
try {
mathTransform = transformFactory.createParameterizedTransform(parameters);
} catch (Exception ignore) {
return;
}
DefaultGeographicCRS base = DefaultGeographicCRS.WGS84;
CoordinateReferenceSystem modelCrs =
new DefaultProjectedCRS(
"Sinusoidal", base, mathTransform, DefaultCartesianCS.PROJECTED);
try {
CrsGeoCoding geoCoding = new CrsGeoCoding(modelCrs, imageBounds, transform);
p.setGeoCoding(geoCoding);
} catch (Exception ignore) {
}
}
}
}
/** Returns a factory of the given type. */
private static final <T extends AbstractAuthorityFactory> T getFactory(final Class<T> type) {
return type.cast(
ReferencingFactoryFinder.getCRSAuthorityFactory(
"EPSG", new Hints(Hints.CRS_AUTHORITY_FACTORY, type)));
}
/**
* Provides a filtered, sorted view over the available EPSG coordinate reference systems.
*
* @author Gabriel Roldan - OpenGeo
* @author Andrea Aime - OpenGeo
*/
public class SRSProvider extends GeoServerDataProvider<SRSProvider.SRS> {
private static final long serialVersionUID = 3731647638872356912L;
/**
* Spots integral numbers
*
* @see #buildCodeList()
*/
private static Pattern NUMERIC = Pattern.compile("\\d+");
/**
* A lightweight bean to carry over the code and description of a {@link
* CoordinateReferenceSystem}
*
* @author Gabriel Roldan - OpenGeo
*/
public static class SRS implements Serializable, Comparable<SRS> {
private static final long serialVersionUID = -4155644876049747585L;
private String code;
private transient String description;
public SRS(String code) {
this.code = code;
}
public String getCode() {
return code;
}
public String getDescription() {
// lazy loading of description
if (description == null) {
// grab the description
String desc = "-";
try {
// REVISIT: as far as I know the EPSG names are not localized? anyway, if
// they're revisit to use the page locale
// description = CRS.getAuthorityFactory(true).getDescriptionText("EPSG:" +
// code)
// .toString(getLocale()).toUpperCase();
desc = CRS.getAuthorityFactory(true).getDescriptionText("EPSG:" + code).toString();
} catch (Exception e) {
// no problem
}
description = desc;
}
return description;
}
@Override
public boolean equals(Object o) {
return code.equals(((SRS) o).code);
}
@Override
public int hashCode() {
return 17 * code.hashCode();
}
public int compareTo(SRS o) {
return code.compareTo(o.code);
}
}
/** custom geoserver crs factory which loads codes from epsg.properties file in data directory */
private static CRSAuthorityFactory customFactory =
ReferencingFactoryFinder.getCRSAuthorityFactory(
"EPSG", new Hints(Hints.CRS_AUTHORITY_FACTORY, GeoserverCustomWKTFactory.class));
public static final Property<SRS> CODE =
new BeanProperty<SRS>("code", "code") {
private static final long serialVersionUID = -1638823520421390286L;
@Override
public Comparator<SRS> getComparator() {
return new CodeComparator();
}
};
public static final Property<SRS> DESCRIPTION =
new BeanProperty<SRS>("description", "description") {
private static final long serialVersionUID = 3549074714488486991L;
@Override
public Comparator<SRS> getComparator() {
return new Comparator<SRS>() {
public int compare(SRS o1, SRS o2) {
return String.CASE_INSENSITIVE_ORDER.compare(
o1.getDescription(), o2.getDescription());
}
};
}
};
@SuppressWarnings("unchecked")
private static final ArrayList<Property<SRS>> PROPERTIES =
new ArrayList<Property<SRS>>(Arrays.asList(CODE, DESCRIPTION));
private List<SRS> items;
@Override
protected List<SRS> getItems() {
if (items == null) {
synchronized (SRSProvider.class) {
if (items == null) {
items = buildCodeList();
}
}
}
return items;
}
@Override
protected List<Property<SRS>> getProperties() {
return PROPERTIES;
}
static List<SRS> buildCodeList() {
long t = System.currentTimeMillis();
Set<String> codes = CRS.getSupportedCodes("EPSG");
try {
codes.addAll(customFactory.getAuthorityCodes(CoordinateReferenceSystem.class));
} catch (FactoryException e) {
LOGGER.log(Level.WARNING, "Error occurred while trying to gather custom CRS codes", e);
}
// make a set with each code
Set<SRS> idSet = new HashSet<SRS>();
for (String code : codes) {
// make sure we're using just the non prefix part
String id = code.substring(code.indexOf(':') + 1);
// avoid WGS84DD and eventual friends, as we're still not able to handle them,
// if they are chosen exceptions arises everywhere
if (NUMERIC.matcher(id).matches()) {
idSet.add(new SRS(id));
}
}
List<SRS> srsList = new ArrayList<SRS>(idSet);
Collections.sort(srsList, new CodeComparator()); // sort to get them in order
return srsList;
}
/**
* Compares the codes so that most of the codes ger compared as numbers, but unfortunately some
* non numeric ones can sneak in...
*
* @author Andrea Aime - TOPP
*/
private static class CodeComparator implements Comparator<SRS> {
public int compare(SRS srs1, SRS srs2) {
String s1 = srs1.getCode();
String s2 = srs2.getCode();
Integer c1 = null, c2 = null;
try {
c1 = Integer.parseInt(s1);
} catch (NumberFormatException e) {
//
}
try {
c2 = Integer.parseInt(s2);
} catch (NumberFormatException e) {
//
}
if (c1 == null) {
if (c2 == null) return s1.compareTo(s2);
else return -1;
} else {
if (c2 == null) return 1;
else return c1 - c2;
}
}
}
}
/**
* This method tries hard to stop all threads and remove all references to classes in GeoServer so
* that we can avoid permgen leaks on application undeploy. What happes is that, if any JDK class
* references to one of the classes loaded by the webapp classloader, then the classloader cannot
* be collected and neither can all the classes loaded by it (since each class keeps a back
* reference to the classloader that loaded it). The same happens for any residual thread launched
* by the web app.
*/
public void contextDestroyed(ServletContextEvent sce) {
try {
LOGGER.info("Beginning GeoServer cleanup sequence");
// the dreaded classloader
ClassLoader webappClassLoader = getClass().getClassLoader();
// unload all of the jdbc drivers we have loaded. We need to store them and unregister
// later to avoid concurrent modification exceptions
Enumeration<Driver> drivers = DriverManager.getDrivers();
Set<Driver> driversToUnload = new HashSet<Driver>();
while (drivers.hasMoreElements()) {
Driver driver = drivers.nextElement();
try {
// the driver class loader can be null if the driver comes from the JDK, such as the
// sun.jdbc.odbc.JdbcOdbcDriver
ClassLoader driverClassLoader = driver.getClass().getClassLoader();
if (driverClassLoader != null && webappClassLoader.equals(driverClassLoader)) {
driversToUnload.add(driver);
}
} catch (Throwable t) {
t.printStackTrace();
}
}
for (Driver driver : driversToUnload) {
try {
DriverManager.deregisterDriver(driver);
LOGGER.info("Unregistered JDBC driver " + driver);
} catch (Exception e) {
LOGGER.log(Level.SEVERE, "Could now unload driver " + driver.getClass(), e);
}
}
drivers = DriverManager.getDrivers();
while (drivers.hasMoreElements()) {
Driver driver = drivers.nextElement();
}
try {
Class h2Driver = Class.forName("org.h2.Driver");
Method m = h2Driver.getMethod("unload");
m.invoke(null);
} catch (Exception e) {
LOGGER.log(Level.WARNING, "Failed to unload the H2 driver", e);
}
// unload all deferred authority factories so that we get rid of the timer tasks in them
try {
disposeAuthorityFactories(
ReferencingFactoryFinder.getCoordinateOperationAuthorityFactories(null));
} catch (Throwable e) {
LOGGER.log(Level.WARNING, "Error occurred trying to dispose authority factories", e);
}
try {
disposeAuthorityFactories(ReferencingFactoryFinder.getCRSAuthorityFactories(null));
} catch (Throwable e) {
LOGGER.log(Level.WARNING, "Error occurred trying to dispose authority factories", e);
}
try {
disposeAuthorityFactories(ReferencingFactoryFinder.getCSAuthorityFactories(null));
} catch (Throwable e) {
LOGGER.log(Level.WARNING, "Error occurred trying to dispose authority factories", e);
}
// kill the threads created by referencing
WeakCollectionCleaner.DEFAULT.exit();
DeferredAuthorityFactory.exit();
CRS.reset("all");
LOGGER.info("Shut down GT referencing threads ");
// reset
ReferencingFactoryFinder.reset();
CommonFactoryFinder.reset();
DataStoreFinder.reset();
DataAccessFinder.reset();
LOGGER.info("Shut down GT SPI ");
LOGGER.info("Shut down coverage thread pool ");
Object o = Hints.getSystemDefault(Hints.EXECUTOR_SERVICE);
if (o != null && o instanceof ExecutorService) {
final ThreadPoolExecutor executor = (ThreadPoolExecutor) o;
try {
executor.shutdown();
} finally {
try {
executor.shutdownNow();
} finally {
}
}
}
// unload everything that JAI ImageIO can still refer to
// We need to store them and unregister later to avoid concurrent modification exceptions
final IIORegistry ioRegistry = IIORegistry.getDefaultInstance();
Set<IIOServiceProvider> providersToUnload = new HashSet();
for (Iterator<Class<?>> cats = ioRegistry.getCategories(); cats.hasNext(); ) {
Class<?> category = cats.next();
for (Iterator it = ioRegistry.getServiceProviders(category, false); it.hasNext(); ) {
final IIOServiceProvider provider = (IIOServiceProvider) it.next();
if (webappClassLoader.equals(provider.getClass().getClassLoader())) {
providersToUnload.add(provider);
}
}
}
for (IIOServiceProvider provider : providersToUnload) {
ioRegistry.deregisterServiceProvider(provider);
LOGGER.info("Unregistering Image I/O provider " + provider);
}
// unload everything that JAI can still refer to
final OperationRegistry opRegistry = JAI.getDefaultInstance().getOperationRegistry();
for (String mode : RegistryMode.getModeNames()) {
for (Iterator descriptors = opRegistry.getDescriptors(mode).iterator();
descriptors != null && descriptors.hasNext(); ) {
RegistryElementDescriptor red = (RegistryElementDescriptor) descriptors.next();
int factoryCount = 0;
int unregisteredCount = 0;
// look for all the factories for that operation
for (Iterator factories = opRegistry.getFactoryIterator(mode, red.getName());
factories != null && factories.hasNext(); ) {
Object factory = factories.next();
if (factory == null) {
continue;
}
factoryCount++;
if (webappClassLoader.equals(factory.getClass().getClassLoader())) {
boolean unregistered = false;
// we need to scan against all "products" to unregister the factory
Vector orderedProductList = opRegistry.getOrderedProductList(mode, red.getName());
if (orderedProductList != null) {
for (Iterator products = orderedProductList.iterator();
products != null && products.hasNext(); ) {
String product = (String) products.next();
try {
opRegistry.unregisterFactory(mode, red.getName(), product, factory);
LOGGER.info("Unregistering JAI factory " + factory.getClass());
} catch (Throwable t) {
// may fail due to the factory not being registered against that product
}
}
}
if (unregistered) {
unregisteredCount++;
}
}
}
// if all the factories were unregistered, get rid of the descriptor as well
if (factoryCount > 0 && unregisteredCount == factoryCount) {
opRegistry.unregisterDescriptor(red);
}
}
}
// flush all javabean introspection caches as this too can keep a webapp classloader from
// being unloaded
Introspector.flushCaches();
LOGGER.info("Cleaned up javabean caches");
// unload the logging framework
if (!relinquishLoggingControl) LogManager.shutdown();
LogFactory.release(Thread.currentThread().getContextClassLoader());
// GeoTools/GeoServer have a lot of finalizers and until they are run the JVM
// itself wil keepup the class loader...
try {
System.gc();
System.runFinalization();
System.gc();
System.runFinalization();
System.gc();
System.runFinalization();
} catch (Throwable t) {
LOGGER.severe("Failed to perform closing up finalization");
t.printStackTrace();
}
} catch (Throwable t) {
// if anything goes south during the cleanup procedures I want to know what it is
t.printStackTrace();
}
}
/**
* Tests the creation of new coordinate reference systems.
*
* @throws FactoryException if a coordinate reference system can't be created.
*/
@Test
public void testCreation() throws FactoryException {
out.println();
out.println("Testing CRS creations");
out.println("---------------------");
out.println();
out.println("create Coodinate Reference System....1: ");
final DatumFactory datumFactory = ReferencingFactoryFinder.getDatumFactory(null);
final CSFactory csFactory = ReferencingFactoryFinder.getCSFactory(null);
final CRSFactory crsFactory = ReferencingFactoryFinder.getCRSFactory(null);
final MathTransformFactory mtFactory = ReferencingFactoryFinder.getMathTransformFactory(null);
final Ellipsoid airy1830;
final Unit<Length> meters = SI.METER;
airy1830 = datumFactory.createEllipsoid(name("Airy1830"), 6377563.396, 6356256.910, meters);
out.println();
out.println("create Coodinate Reference System....2: ");
out.println(airy1830.toWKT());
final PrimeMeridian greenwich;
final Unit<Angle> degrees = NonSI.DEGREE_ANGLE;
greenwich = datumFactory.createPrimeMeridian(name("Greenwich"), 0, degrees);
out.println();
out.println("create Coodinate Reference System....3: ");
out.println(greenwich.toWKT());
// NOTE: we could use the following pre-defined constant instead:
// DefaultPrimeMeridian.GREENWICH;
final GeodeticDatum datum;
datum = datumFactory.createGeodeticDatum(name("Airy1830"), airy1830, greenwich);
out.println();
out.println("create Coodinate Reference System....4: ");
out.println(datum.toWKT());
// NOTE: we could use the following pre-defined constant instead:
// DefaultEllipsoidalCS.GEODETIC_2D;
final EllipsoidalCS ellCS;
ellCS =
csFactory.createEllipsoidalCS(
name("Ellipsoidal"),
csFactory.createCoordinateSystemAxis(
name("Longitude"), "long", AxisDirection.EAST, degrees),
csFactory.createCoordinateSystemAxis(
name("Latitude"), "lat", AxisDirection.NORTH, degrees));
out.println();
out.println("create Coodinate Reference System....5: ");
out.println(ellCS); // No WKT for coordinate systems
final GeographicCRS geogCRS;
geogCRS = crsFactory.createGeographicCRS(name("Airy1830"), datum, ellCS);
out.println();
out.println("create Coodinate Reference System....6: ");
out.println(geogCRS.toWKT());
final MathTransform p;
final ParameterValueGroup param = mtFactory.getDefaultParameters("Transverse_Mercator");
param.parameter("semi_major").setValue(airy1830.getSemiMajorAxis());
param.parameter("semi_minor").setValue(airy1830.getSemiMinorAxis());
param.parameter("central_meridian").setValue(49);
param.parameter("latitude_of_origin").setValue(-2);
param.parameter("false_easting").setValue(400000);
param.parameter("false_northing").setValue(-100000);
out.println();
out.println("create Coodinate System....7: ");
out.println(param);
// NOTE: we could use the following pre-defined constant instead:
// DefaultCartesianCS.PROJECTED;
final CartesianCS cartCS;
cartCS =
csFactory.createCartesianCS(
name("Cartesian"),
csFactory.createCoordinateSystemAxis(name("Easting"), "x", AxisDirection.EAST, meters),
csFactory.createCoordinateSystemAxis(
name("Northing"), "y", AxisDirection.NORTH, meters));
out.println();
out.println("create Coodinate Reference System....8: ");
out.println(cartCS); // No WKT for coordinate systems
final Hints hints = new Hints();
hints.put(Hints.DATUM_FACTORY, datumFactory);
hints.put(Hints.CS_FACTORY, csFactory);
hints.put(Hints.CRS_FACTORY, crsFactory);
hints.put(Hints.MATH_TRANSFORM_FACTORY, mtFactory);
final ReferencingFactoryContainer container = new ReferencingFactoryContainer(hints);
assertSame(datumFactory, container.getDatumFactory());
assertSame(csFactory, container.getCSFactory());
assertSame(crsFactory, container.getCRSFactory());
assertSame(mtFactory, container.getMathTransformFactory());
final Conversion conversion = new DefiningConversion("GBN grid", param);
final ProjectedCRS projCRS =
crsFactory.createProjectedCRS(
name("Great_Britian_National_Grid"), geogCRS, conversion, cartCS);
out.println();
out.println("create Coodinate System....9: ");
out.println(projCRS.toWKT());
}
/**
* Tests datum aliases. Note: ellipsoid and prime meridian are dummy values just (not conform to
* the usage in real world) just for testing purpose.
*
* @throws FactoryException If a CRS can not be created.
*/
@Test
public void testDatumAliases() throws FactoryException {
final String name0 = "Nouvelle Triangulation Francaise (Paris)";
final String name1 = "Nouvelle_Triangulation_Francaise_Paris";
final String name2 = "D_NTF";
final String name3 = "NTF (Paris meridian)";
final Ellipsoid ellipsoid = DefaultEllipsoid.WGS84;
final PrimeMeridian meridian = DefaultPrimeMeridian.GREENWICH;
DatumFactory factory = new ReferencingObjectFactory();
final Map<String, ?> properties = Collections.singletonMap("name", name1);
GeodeticDatum datum = factory.createGeodeticDatum(properties, ellipsoid, meridian);
assertTrue(datum.getAlias().isEmpty());
for (int i = 0; i < 3; i++) {
switch (i) {
case 0:
factory = new DatumAliases(factory);
break;
case 1:
factory = ReferencingFactoryFinder.getDatumFactory(null);
break;
case 2:
((DatumAliases) factory).freeUnused();
break;
default:
throw new AssertionError(); // Should not occurs.
}
final String pass = "******" + i;
datum = factory.createGeodeticDatum(properties, ellipsoid, meridian);
final GenericName[] aliases = datum.getAlias().toArray(new GenericName[0]);
assertEquals(pass, 4, aliases.length);
assertEquals(pass, name0, aliases[0].tip().toString());
assertEquals(pass, name1, aliases[1].tip().toString());
assertEquals(pass, name2, aliases[2].tip().toString());
assertEquals(pass, name3, aliases[3].tip().toString());
assertTrue(pass, aliases[0] instanceof ScopedName);
assertTrue(pass, aliases[1] instanceof ScopedName);
assertTrue(pass, aliases[2] instanceof ScopedName);
assertTrue(pass, aliases[3] instanceof ScopedName);
}
datum =
factory.createGeodeticDatum(Collections.singletonMap("name", "Tokyo"), ellipsoid, meridian);
Collection<GenericName> aliases = datum.getAlias();
assertEquals(4, aliases.size());
((DatumAliases) factory).freeUnused();
datum =
factory.createGeodeticDatum(
Collections.singletonMap("name", "_toKyo _"), ellipsoid, meridian);
assertEquals(4, datum.getAlias().size());
assertTrue(aliases.equals(datum.getAlias()));
datum =
factory.createGeodeticDatum(
Collections.singletonMap("name", "D_Tokyo"), ellipsoid, meridian);
assertEquals(4, datum.getAlias().size());
datum =
factory.createGeodeticDatum(
Collections.singletonMap("name", "Luxembourg 1930"), ellipsoid, meridian);
assertEquals(3, datum.getAlias().size());
datum =
factory.createGeodeticDatum(Collections.singletonMap("name", "Dummy"), ellipsoid, meridian);
assertTrue("Non existing datum should have no alias.", datum.getAlias().isEmpty());
datum =
factory.createGeodeticDatum(
Collections.singletonMap("name", "WGS 84"), ellipsoid, meridian);
assertTrue(AbstractIdentifiedObject.nameMatches(datum, "WGS 84"));
assertTrue(AbstractIdentifiedObject.nameMatches(datum, "WGS_1984"));
assertTrue(AbstractIdentifiedObject.nameMatches(datum, "World Geodetic System 1984"));
assertFalse(AbstractIdentifiedObject.nameMatches(datum, "WGS 72"));
}
public static CoordinateReferenceSystem getCRS(MapProjection projection, Datum datum) {
CoordinateReferenceSystem result = WGS84;
try {
final MapTransform mapTransform = projection.getMapTransform();
if (mapTransform.getDescriptor() instanceof IdentityTransformDescriptor) {
// 1. Identity map projection
if (Datum.ITRF_97.equals(datum)) {
result = ITRF97;
} else if (Datum.WGS_72.equals(datum)) {
result = WGS72;
}
} else if (projection instanceof UTMProjection && !Datum.ITRF_97.equals(datum)) {
// 2. UTM map projections
final UTMProjection utmProjection = (UTMProjection) projection;
final int zone = utmProjection.getZone();
if (zone >= 1 && zone <= 60) {
final CRSAuthorityFactory factory =
ReferencingFactoryFinder.getCRSAuthorityFactory("EPSG", null);
if (utmProjection.isNorth()) {
if (Datum.WGS_72.equals(datum)) {
final int WGS72_UTM_zone_N_BASE = 32200;
result = factory.createProjectedCRS("EPSG:" + (WGS72_UTM_zone_N_BASE + zone));
} else if (Datum.WGS_84.equals(datum)) {
final int WGS84_UTM_zone_N_BASE = 32600;
result = factory.createProjectedCRS("EPSG:" + (WGS84_UTM_zone_N_BASE + zone));
}
} else {
if (Datum.WGS_72.equals(datum)) {
final int WGS72_UTM_zone_S_BASE = 32300;
result = factory.createProjectedCRS("EPSG:" + (WGS72_UTM_zone_S_BASE + zone));
} else if (Datum.WGS_84.equals(datum)) {
final int WGS84_UTM_zone_S_BASE = 32700;
result = factory.createProjectedCRS("EPSG:" + (WGS84_UTM_zone_S_BASE + zone));
}
}
}
} else if (Datum.ITRF_97.equals(datum)) {
// 3. Other map projections
final String crsName = "ITRF 97 / " + mapTransform.getDescriptor().getName();
final MathTransform mathTransform = getMathTransform(mapTransform);
if (mathTransform != null) {
result =
new DefaultProjectedCRS(crsName, ITRF97, mathTransform, DefaultCartesianCS.PROJECTED);
}
} else if (Datum.WGS_72.equals(datum)) {
final String crsName = "WGS 72 / " + mapTransform.getDescriptor().getName();
final MathTransform mathTransform = getMathTransform(mapTransform);
if (mathTransform != null) {
result =
new DefaultProjectedCRS(crsName, WGS72, mathTransform, DefaultCartesianCS.PROJECTED);
}
} else if (Datum.WGS_84.equals(datum)) {
final String crsName = "WGS 84 / " + mapTransform.getDescriptor().getName();
final MathTransform mathTransform = getMathTransform(mapTransform);
if (mathTransform != null) {
result =
new DefaultProjectedCRS(crsName, WGS84, mathTransform, DefaultCartesianCS.PROJECTED);
}
}
} catch (FactoryException e) {
// ignore
}
return result;
}