@Test
public void NetCDFProjectedEnvelopeTest()
throws NoSuchAuthorityCodeException, FactoryException, IOException, ParseException {
File mosaic = new File(TestData.file(this, "."), "NetCDFProjection");
if (mosaic.exists()) {
FileUtils.deleteDirectory(mosaic);
}
assertTrue(mosaic.mkdirs());
File file = TestData.file(this, "wind.nc");
FileUtils.copyFileToDirectory(file, mosaic);
file = new File(mosaic, "wind.nc");
// Get format
final NetCDFReader reader = new NetCDFReader(file, null);
try {
String[] names = reader.getGridCoverageNames();
String coverageName = names[0];
// subsetting the envelope
final ParameterValue<GridGeometry2D> gg =
AbstractGridFormat.READ_GRIDGEOMETRY2D.createValue();
final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope(coverageName);
final CoordinateReferenceSystem epsg3857 = CRS.decode("EPSG:3857", true);
final GeneralEnvelope projectedEnvelope = CRS.transform(originalEnvelope, epsg3857);
gg.setValue(
new GridGeometry2D(new GridEnvelope2D(new Rectangle(0, 0, 30, 30)), projectedEnvelope));
GeneralParameterValue[] values = new GeneralParameterValue[] {gg};
GridCoverage2D coverage = reader.read(coverageName, values);
// reader doesn't perform reprojection. It simply transforms reprojected envelope
// to native envelope so BBOX and CRS should be wgs84
CoordinateReferenceSystem coverageCRS = coverage.getCoordinateReferenceSystem();
final int code = CRS.lookupEpsgCode(coverageCRS, false);
assertEquals(4326, code);
Extent extent = coverageCRS.getDomainOfValidity();
Collection<? extends GeographicExtent> geoElements = extent.getGeographicElements();
GeographicExtent geographicExtent = geoElements.iterator().next();
GeographicBoundingBoxImpl impl = (GeographicBoundingBoxImpl) geographicExtent;
// Getting the coverage Envelope for coordinates check
Envelope coverageEnvelope = coverage.getEnvelope();
assertTrue(impl.getEastBoundLongitude() >= coverageEnvelope.getMaximum(0));
assertTrue(impl.getWestBoundLongitude() <= coverageEnvelope.getMinimum(0));
assertTrue(impl.getNorthBoundLatitude() >= coverageEnvelope.getMaximum(1));
assertTrue(impl.getSouthBoundLatitude() <= coverageEnvelope.getMinimum(1));
} catch (Throwable t) {
throw new RuntimeException(t);
} finally {
if (reader != null) {
try {
reader.dispose();
} catch (Throwable t) {
// Does nothing
}
}
}
}
private GridCoverage2D readCoverage()
throws NoSuchAuthorityCodeException, FactoryException, IOException {
final AbstractGridFormat format = TestUtils.getFormat(testMosaicUrl);
final ImageMosaicReader reader = TestUtils.getReader(testMosaicUrl, format);
// activate footprint management
GeneralParameterValue[] params = new GeneralParameterValue[2];
ParameterValue<String> footprintManagement = ImageMosaicFormat.FOOTPRINT_BEHAVIOR.createValue();
footprintManagement.setValue(FootprintBehavior.Cut.name());
params[0] = footprintManagement;
// this prevents us from having problems with link to files still open.
ParameterValue<Boolean> jaiImageRead = ImageMosaicFormat.USE_JAI_IMAGEREAD.createValue();
jaiImageRead.setValue(false);
params[1] = jaiImageRead;
GridCoverage2D coverage = reader.read(params);
reader.dispose();
assertNotNull(coverage);
return coverage;
}
@Test
public void testAreaOutside() throws Exception {
// copy the footprints mosaic over
FileUtils.copyDirectory(footprintsSource, testMosaic);
Properties p = new Properties();
p.put(MultiLevelROIProviderFactory.INSET_PROPERTY, "0.1");
saveFootprintProperties(p);
final AbstractGridFormat format = TestUtils.getFormat(testMosaicUrl);
final ImageMosaicReader reader = TestUtils.getReader(testMosaicUrl, format);
// activate footprint management
GeneralParameterValue[] params = new GeneralParameterValue[3];
ParameterValue<String> footprintManagement = ImageMosaicFormat.FOOTPRINT_BEHAVIOR.createValue();
footprintManagement.setValue(FootprintBehavior.None.name());
params[0] = footprintManagement;
// this prevents us from having problems with link to files still open.
ParameterValue<Boolean> jaiImageRead = ImageMosaicFormat.USE_JAI_IMAGEREAD.createValue();
jaiImageRead.setValue(false);
params[1] = jaiImageRead;
// limit yourself to reading just a bit of it
final ParameterValue<GridGeometry2D> gg = AbstractGridFormat.READ_GRIDGEOMETRY2D.createValue();
final Dimension dim = new Dimension();
dim.setSize(4, 4);
final Rectangle rasterArea = ((GridEnvelope2D) reader.getOriginalGridRange());
rasterArea.setSize(dim);
final GridEnvelope2D range = new GridEnvelope2D(rasterArea);
gg.setValue(
new GridGeometry2D(
range,
PixelInCell.CELL_CENTER,
reader.getOriginalGridToWorld(PixelInCell.CELL_CENTER),
reader.getCoordinateReferenceSystem(),
null));
params[2] = gg;
GridCoverage2D coverage = reader.read(params);
reader.dispose();
assertNotNull(coverage);
}
/**
* Returns the parameters for this math transform.
*
* @return The parameters for this math transform.
*/
@Override
public ParameterValueGroup getParameterValues() {
final ParameterValue<Integer> dim = new Parameter<Integer>(Provider.DIM);
dim.setValue(getSourceDimensions());
return new ParameterGroup(
getParameterDescriptors(),
new ParameterValue[] {
dim,
new FloatParameter(Provider.DX, dx),
new FloatParameter(Provider.DY, dy),
new FloatParameter(Provider.DZ, dz),
new FloatParameter(Provider.SRC_SEMI_MAJOR, a),
new FloatParameter(Provider.SRC_SEMI_MINOR, b),
new FloatParameter(Provider.TGT_SEMI_MAJOR, a + da),
new FloatParameter(Provider.TGT_SEMI_MINOR, b + db)
});
}
@Test
public void testInsetsMargin() throws Exception {
// copy the footprints mosaic over
FileUtils.copyDirectory(footprintsSource, testMosaic);
Properties p = new Properties();
p.put(MultiLevelROIProviderFactory.INSET_PROPERTY, "0.1");
p.put(MultiLevelROIProviderFactory.INSET_TYPE_PROPERTY, "border");
saveFootprintProperties(p);
GridCoverage2D coverage = readCoverage();
// RenderedImageBrowser.showChain(coverage.getRenderedImage());
// System.in.read();
// // check the footprints have been applied by pocking the output image
byte[] pixel = new byte[3];
// Close to San Marino, black if we have the insets
coverage.evaluate(new DirectPosition2D(12.54, 44.03), pixel);
assertEquals(0, pixel[0]);
assertEquals(0, pixel[1]);
assertEquals(0, pixel[2]);
// Inner BORDER should not get black with border insets
coverage.evaluate(new DirectPosition2D(11.52, 44.57), pixel);
assertTrue(pixel[0] + pixel[1] + pixel[2] > 0);
// Golfo di La Spezia, should be black
coverage.evaluate(new DirectPosition2D(9.12, 44.25), pixel);
assertEquals(0, pixel[0]);
assertEquals(0, pixel[1]);
assertEquals(0, pixel[2]);
// Sardinia, not black
coverage.evaluate(new DirectPosition2D(9, 40), pixel);
assertTrue(pixel[0] + pixel[1] + pixel[2] > 0);
// Piedmont, not black
coverage.evaluate(new DirectPosition2D(8, 45), pixel);
assertTrue(pixel[0] + pixel[1] + pixel[2] > 0);
disposeCoverage(coverage);
final ImageMosaicReader reader = TestUtils.getReader(testMosaicUrl, new ImageMosaicFormat());
// activate footprint management
GeneralParameterValue[] params = new GeneralParameterValue[3];
ParameterValue<String> footprintManagement = ImageMosaicFormat.FOOTPRINT_BEHAVIOR.createValue();
footprintManagement.setValue(FootprintBehavior.Transparent.name());
params[0] = footprintManagement;
// this prevents us from having problems with link to files still open.
ParameterValue<Boolean> jaiImageRead = ImageMosaicFormat.USE_JAI_IMAGEREAD.createValue();
jaiImageRead.setValue(false);
params[1] = jaiImageRead;
// GridGeometry, small aread at the upper right corner
final GridEnvelope2D ge2D =
new GridEnvelope2D(
reader.getOriginalGridRange().getHigh(0) - 3,
reader.getOriginalGridRange().getLow(1),
3,
3);
final GridGeometry2D gg2D =
new GridGeometry2D(
ge2D,
reader.getOriginalGridToWorld(PixelInCell.CELL_CENTER),
reader.getCoordinateReferenceSystem());
ParameterValue<GridGeometry2D> gg2DParam = ImageMosaicFormat.READ_GRIDGEOMETRY2D.createValue();
gg2DParam.setValue(gg2D);
params[2] = gg2DParam;
coverage = reader.read(params);
MathTransform tr = reader.getOriginalGridToWorld(PixelInCell.CELL_CORNER);
reader.dispose();
assertNotNull(coverage);
// check the footprints have been applied by pocking the output image
pixel = new byte[4];
// Close to San Marino, black if we have the insets
coverage.evaluate(
tr.transform(
new DirectPosition2D(
coverage.getRenderedImage().getMinX(), coverage.getRenderedImage().getMinY()),
null),
pixel);
// RenderedImageBrowser.showChain(coverage.getRenderedImage());
assertEquals(0, pixel[0]);
assertEquals(0, pixel[1]);
assertEquals(0, pixel[2]);
assertEquals(0, pixel[3]);
disposeCoverage(coverage);
}
/**
* Complex test for Postgis indexing on db.
*
* @throws Exception
*/
@Test
public void testPostgisIndexing() throws Exception {
final File workDir = new File(TestData.file(this, "."), "watertemp4");
assertTrue(workDir.mkdir());
FileUtils.copyFile(TestData.file(this, "watertemp.zip"), new File(workDir, "watertemp.zip"));
TestData.unzipFile(this, "watertemp4/watertemp.zip");
final URL timeElevURL = TestData.url(this, "watertemp4");
// place datastore.properties file in the dir for the indexing
FileWriter out = null;
try {
out = new FileWriter(new File(TestData.file(this, "."), "/watertemp4/datastore.properties"));
final Set<Object> keyset = fixture.keySet();
for (Object key : keyset) {
final String key_ = (String) key;
final String value = fixture.getProperty(key_);
out.write(key_.replace(" ", "\\ ") + "=" + value.replace(" ", "\\ ") + "\n");
}
out.flush();
} finally {
if (out != null) {
IOUtils.closeQuietly(out);
}
}
// now start the test
final AbstractGridFormat format = TestUtils.getFormat(timeElevURL);
assertNotNull(format);
ImageMosaicReader reader = TestUtils.getReader(timeElevURL, format);
assertNotNull(reader);
final String[] metadataNames = reader.getMetadataNames();
assertNotNull(metadataNames);
assertEquals(metadataNames.length, 10);
assertEquals("true", reader.getMetadataValue("HAS_TIME_DOMAIN"));
final String timeMetadata = reader.getMetadataValue("TIME_DOMAIN");
assertNotNull(timeMetadata);
assertEquals(2, timeMetadata.split(",").length);
assertEquals(timeMetadata.split(",")[0], reader.getMetadataValue("TIME_DOMAIN_MINIMUM"));
assertEquals(timeMetadata.split(",")[1], reader.getMetadataValue("TIME_DOMAIN_MAXIMUM"));
assertEquals("true", reader.getMetadataValue("HAS_ELEVATION_DOMAIN"));
final String elevationMetadata = reader.getMetadataValue("ELEVATION_DOMAIN");
assertNotNull(elevationMetadata);
assertEquals(2, elevationMetadata.split(",").length);
assertEquals(
Double.parseDouble(elevationMetadata.split(",")[0]),
Double.parseDouble(reader.getMetadataValue("ELEVATION_DOMAIN_MINIMUM")),
1E-6);
assertEquals(
Double.parseDouble(elevationMetadata.split(",")[1]),
Double.parseDouble(reader.getMetadataValue("ELEVATION_DOMAIN_MAXIMUM")),
1E-6);
// limit yourself to reading just a bit of it
final ParameterValue<GridGeometry2D> gg = AbstractGridFormat.READ_GRIDGEOMETRY2D.createValue();
final GeneralEnvelope envelope = reader.getOriginalEnvelope();
final Dimension dim = new Dimension();
dim.setSize(
reader.getOriginalGridRange().getSpan(0) / 2.0,
reader.getOriginalGridRange().getSpan(1) / 2.0);
final Rectangle rasterArea = ((GridEnvelope2D) reader.getOriginalGridRange());
rasterArea.setSize(dim);
final GridEnvelope2D range = new GridEnvelope2D(rasterArea);
gg.setValue(new GridGeometry2D(range, envelope));
// use imageio with defined tiles
final ParameterValue<List> time = ImageMosaicFormat.TIME.createValue();
final List<Date> timeValues = new ArrayList<Date>();
final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.sss'Z'");
sdf.setTimeZone(TimeZone.getTimeZone("GMT+0"));
Date date = sdf.parse("2008-10-31T00:00:00.000Z");
timeValues.add(date);
time.setValue(timeValues);
final ParameterValue<double[]> bkg = ImageMosaicFormat.BACKGROUND_VALUES.createValue();
bkg.setValue(new double[] {-9999.0});
final ParameterValue<Boolean> direct = ImageMosaicFormat.USE_JAI_IMAGEREAD.createValue();
direct.setValue(false);
final ParameterValue<List> elevation = ImageMosaicFormat.ELEVATION.createValue();
elevation.setValue(Arrays.asList(100.0));
// Test the output coverage
TestUtils.checkCoverage(
reader,
new GeneralParameterValue[] {gg, time, bkg, elevation, direct},
"Time-Elevation Test");
reader = TestUtils.getReader(timeElevURL, format);
elevation.setValue(Arrays.asList(NumberRange.create(0.0, 10.0)));
// Test the output coverage
TestUtils.checkCoverage(
reader,
new GeneralParameterValue[] {gg, time, bkg, elevation, direct},
"Time-Elevation Test");
}
@Test
public void NetCDFTestAscatL1()
throws NoSuchAuthorityCodeException, FactoryException, IOException, ParseException {
File mosaic = new File(TestData.file(this, "."), "NetCDFTestAscatL1");
if (mosaic.exists()) {
FileUtils.deleteDirectory(mosaic);
}
assertTrue(mosaic.mkdirs());
File file = TestData.file(this, "ascatl1.nc");
FileUtils.copyFileToDirectory(file, mosaic);
file = new File(mosaic, "ascatl1.nc");
final Hints hints =
new Hints(Hints.DEFAULT_COORDINATE_REFERENCE_SYSTEM, CRS.decode("EPSG:4326", true));
hints.add(new Hints(Utils.EXCLUDE_MOSAIC, true));
// Get format
final AbstractGridFormat format =
(AbstractGridFormat) GridFormatFinder.findFormat(file.toURI().toURL(), hints);
final NetCDFReader reader = (NetCDFReader) format.getReader(file.toURI().toURL(), hints);
assertNotNull(format);
try {
String[] names = reader.getGridCoverageNames();
names = new String[] {names[1]};
for (String coverageName : names) {
final String[] metadataNames = reader.getMetadataNames(coverageName);
assertNotNull(metadataNames);
assertEquals(17, metadataNames.length);
// Parsing metadata values
assertEquals("false", reader.getMetadataValue(coverageName, "HAS_TIME_DOMAIN"));
assertEquals("false", reader.getMetadataValue(coverageName, "HAS_ELEVATION_DOMAIN"));
assertEquals("true", reader.getMetadataValue(coverageName, "HAS_NUMSIGMA_DOMAIN"));
final String sigmaMetadata = reader.getMetadataValue(coverageName, "NUMSIGMA_DOMAIN");
assertNotNull(sigmaMetadata);
assertEquals("0,1,2", sigmaMetadata);
assertEquals(3, sigmaMetadata.split(",").length);
// subsetting the envelope
final ParameterValue<GridGeometry2D> gg =
AbstractGridFormat.READ_GRIDGEOMETRY2D.createValue();
final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope(coverageName);
final GeneralEnvelope reducedEnvelope =
new GeneralEnvelope(
new double[] {
originalEnvelope.getLowerCorner().getOrdinate(0),
originalEnvelope.getLowerCorner().getOrdinate(1)
},
new double[] {
originalEnvelope.getMedian().getOrdinate(0),
originalEnvelope.getMedian().getOrdinate(1)
});
reducedEnvelope.setCoordinateReferenceSystem(
reader.getCoordinateReferenceSystem(coverageName));
// Selecting bigger gridRange for a zoomed result
final Dimension dim = new Dimension();
GridEnvelope gridRange = reader.getOriginalGridRange(coverageName);
dim.setSize(gridRange.getSpan(0) * 4.0, gridRange.getSpan(1) * 2.0);
final Rectangle rasterArea = ((GridEnvelope2D) gridRange);
rasterArea.setSize(dim);
final GridEnvelope2D range = new GridEnvelope2D(rasterArea);
gg.setValue(new GridGeometry2D(range, reducedEnvelope));
ParameterValue<List<String>> sigmaValue = null;
final String selectedSigma = "1";
Set<ParameterDescriptor<List>> params = reader.getDynamicParameters(coverageName);
for (ParameterDescriptor param : params) {
if (param.getName().getCode().equalsIgnoreCase("NUMSIGMA")) {
sigmaValue = param.createValue();
sigmaValue.setValue(
new ArrayList<String>() {
{
add(selectedSigma);
}
});
}
}
GeneralParameterValue[] values = new GeneralParameterValue[] {gg, sigmaValue};
GridCoverage2D coverage = reader.read(coverageName, values);
assertNotNull(coverage);
if (TestData.isInteractiveTest()) {
coverage.show();
} else {
PlanarImage.wrapRenderedImage(coverage.getRenderedImage()).getTiles();
}
}
} catch (Throwable t) {
throw new RuntimeException(t);
} finally {
if (reader != null) {
try {
reader.dispose();
} catch (Throwable t) {
// Does nothing
}
}
}
}
@Test
public void NetCDFTestOn4DcoveragesWithImposedSchemas()
throws NoSuchAuthorityCodeException, FactoryException, IOException, ParseException {
File mosaic = new File(TestData.file(this, "."), "NetCDFTestOn4DcoveragesWithImposedSchemas");
if (mosaic.exists()) {
FileUtils.deleteDirectory(mosaic);
}
assertTrue(mosaic.mkdirs());
File file = TestData.file(this, "O3NO2-noZ.nc");
File auxFile = TestData.file(this, "O3NO2-noZ.xml");
FileUtils.copyFileToDirectory(file, mosaic);
FileUtils.copyFileToDirectory(auxFile, mosaic);
file = new File(mosaic, "O3NO2-noZ.nc");
final Hints hints =
new Hints(Hints.DEFAULT_COORDINATE_REFERENCE_SYSTEM, CRS.decode("EPSG:4326", true));
hints.put(
Utils.AUXILIARY_FILES_PATH,
new File(mosaic, "O3NO2-noZ.xml").getAbsolutePath()); // impose def
// Get format
final AbstractGridFormat format =
(AbstractGridFormat) GridFormatFinder.findFormat(file.toURI().toURL(), hints);
final NetCDFReader reader = (NetCDFReader) format.getReader(file.toURI().toURL(), hints);
assertNotNull(format);
try {
String[] names = reader.getGridCoverageNames();
for (String coverageName : names) {
final String[] metadataNames = reader.getMetadataNames(coverageName);
assertNotNull(metadataNames);
assertEquals(metadataNames.length, 12);
// Parsing metadata values
assertEquals("true", reader.getMetadataValue(coverageName, "HAS_TIME_DOMAIN"));
final String timeMetadata = reader.getMetadataValue(coverageName, "TIME_DOMAIN");
assertEquals(
"2012-04-01T00:00:00.000Z/2012-04-01T00:00:00.000Z,2012-04-01T01:00:00.000Z/2012-04-01T01:00:00.000Z",
timeMetadata);
assertNotNull(timeMetadata);
assertEquals(
"2012-04-01T00:00:00.000Z",
reader.getMetadataValue(coverageName, "TIME_DOMAIN_MINIMUM"));
assertEquals(
"2012-04-01T01:00:00.000Z",
reader.getMetadataValue(coverageName, "TIME_DOMAIN_MAXIMUM"));
if (coverageName.equalsIgnoreCase("O3")) {
assertEquals("true", reader.getMetadataValue(coverageName, "HAS_ELEVATION_DOMAIN"));
final String elevationMetadata =
reader.getMetadataValue(coverageName, "ELEVATION_DOMAIN");
assertNotNull(elevationMetadata);
assertEquals("10.0/10.0,450.0/450.0", elevationMetadata);
assertEquals(2, elevationMetadata.split(",").length);
assertEquals("10.0", reader.getMetadataValue(coverageName, "ELEVATION_DOMAIN_MINIMUM"));
assertEquals("450.0", reader.getMetadataValue(coverageName, "ELEVATION_DOMAIN_MAXIMUM"));
} else {
// Note that This sample doesn't have elevation for NO2
assertEquals("false", reader.getMetadataValue(coverageName, "HAS_ELEVATION_DOMAIN"));
final String elevationMetadata =
reader.getMetadataValue(coverageName, "ELEVATION_DOMAIN");
assertNull(elevationMetadata);
}
// subsetting the envelope
final ParameterValue<GridGeometry2D> gg =
AbstractGridFormat.READ_GRIDGEOMETRY2D.createValue();
final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope(coverageName);
final GeneralEnvelope reducedEnvelope =
new GeneralEnvelope(
new double[] {
originalEnvelope.getLowerCorner().getOrdinate(0),
originalEnvelope.getLowerCorner().getOrdinate(1)
},
new double[] {
originalEnvelope.getMedian().getOrdinate(0),
originalEnvelope.getMedian().getOrdinate(1)
});
reducedEnvelope.setCoordinateReferenceSystem(
reader.getCoordinateReferenceSystem(coverageName));
// Selecting bigger gridRange for a zoomed result
final Dimension dim = new Dimension();
GridEnvelope gridRange = reader.getOriginalGridRange(coverageName);
dim.setSize(gridRange.getSpan(0) * 4.0, gridRange.getSpan(1) * 2.0);
final Rectangle rasterArea = ((GridEnvelope2D) gridRange);
rasterArea.setSize(dim);
final GridEnvelope2D range = new GridEnvelope2D(rasterArea);
gg.setValue(new GridGeometry2D(range, reducedEnvelope));
final ParameterValue<List> time = ImageMosaicFormat.TIME.createValue();
final SimpleDateFormat formatD = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
formatD.setTimeZone(TimeZone.getTimeZone("GMT"));
final Date timeD = formatD.parse("2012-04-01T00:00:00.000Z");
time.setValue(
new ArrayList() {
{
add(timeD);
}
});
final ParameterValue<List> elevation = ImageMosaicFormat.ELEVATION.createValue();
elevation.setValue(
new ArrayList() {
{
add(450d); // Elevation
}
});
GeneralParameterValue[] values =
coverageName.equalsIgnoreCase("O3")
? new GeneralParameterValue[] {gg, time, elevation}
: new GeneralParameterValue[] {gg, time};
GridCoverage2D coverage = reader.read(coverageName, values);
assertNotNull(coverage);
if (TestData.isInteractiveTest()) {
coverage.show();
} else {
PlanarImage.wrapRenderedImage(coverage.getRenderedImage()).getTiles();
}
}
} catch (Throwable t) {
throw new RuntimeException(t);
} finally {
if (reader != null) {
try {
reader.dispose();
} catch (Throwable t) {
// Does nothing
}
}
}
}
@Test
public void NetCDFTestOnFilter()
throws NoSuchAuthorityCodeException, FactoryException, IOException, ParseException {
File mosaic = new File(TestData.file(this, "."), "NetCDFTestOnFilter");
if (mosaic.exists()) {
FileUtils.deleteDirectory(mosaic);
}
assertTrue(mosaic.mkdirs());
File file = TestData.file(this, "O3-NO2.nc");
FileUtils.copyFileToDirectory(file, mosaic);
file = new File(mosaic, "O3-NO2.nc");
final Hints hints =
new Hints(Hints.DEFAULT_COORDINATE_REFERENCE_SYSTEM, CRS.decode("EPSG:4326", true));
// Get format
final AbstractGridFormat format =
(AbstractGridFormat) GridFormatFinder.findFormat(file.toURI().toURL(), hints);
final NetCDFReader reader = (NetCDFReader) format.getReader(file.toURI().toURL(), hints);
assertNotNull(format);
try {
String[] names = reader.getGridCoverageNames();
names = new String[] {names[1]};
for (String coverageName : names) {
final String[] metadataNames = reader.getMetadataNames(coverageName);
assertNotNull(metadataNames);
assertEquals(12, metadataNames.length);
// Parsing metadata values
assertEquals("true", reader.getMetadataValue(coverageName, "HAS_TIME_DOMAIN"));
final String timeMetadata = reader.getMetadataValue(coverageName, "TIME_DOMAIN");
assertEquals(
"2012-04-01T00:00:00.000Z/2012-04-01T00:00:00.000Z,2012-04-01T01:00:00.000Z/2012-04-01T01:00:00.000Z",
timeMetadata);
assertNotNull(timeMetadata);
assertEquals(
"2012-04-01T00:00:00.000Z",
reader.getMetadataValue(coverageName, "TIME_DOMAIN_MINIMUM"));
assertEquals(
"2012-04-01T01:00:00.000Z",
reader.getMetadataValue(coverageName, "TIME_DOMAIN_MAXIMUM"));
assertEquals("true", reader.getMetadataValue(coverageName, "HAS_ELEVATION_DOMAIN"));
final String elevationMetadata = reader.getMetadataValue(coverageName, "ELEVATION_DOMAIN");
assertNotNull(elevationMetadata);
assertEquals("10.0/10.0,450.0/450.0", elevationMetadata);
assertEquals(2, elevationMetadata.split(",").length);
assertEquals("10.0", reader.getMetadataValue(coverageName, "ELEVATION_DOMAIN_MINIMUM"));
assertEquals("450.0", reader.getMetadataValue(coverageName, "ELEVATION_DOMAIN_MAXIMUM"));
// subsetting the envelope
final ParameterValue<GridGeometry2D> gg =
AbstractGridFormat.READ_GRIDGEOMETRY2D.createValue();
final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope(coverageName);
final GeneralEnvelope reducedEnvelope =
new GeneralEnvelope(
new double[] {
originalEnvelope.getLowerCorner().getOrdinate(0),
originalEnvelope.getLowerCorner().getOrdinate(1)
},
new double[] {
originalEnvelope.getMedian().getOrdinate(0),
originalEnvelope.getMedian().getOrdinate(1)
});
reducedEnvelope.setCoordinateReferenceSystem(
reader.getCoordinateReferenceSystem(coverageName));
// Selecting bigger gridRange for a zoomed result
final Dimension dim = new Dimension();
GridEnvelope gridRange = reader.getOriginalGridRange(coverageName);
dim.setSize(gridRange.getSpan(0) * 4.0, gridRange.getSpan(1) * 2.0);
final Rectangle rasterArea = ((GridEnvelope2D) gridRange);
rasterArea.setSize(dim);
final GridEnvelope2D range = new GridEnvelope2D(rasterArea);
gg.setValue(new GridGeometry2D(range, reducedEnvelope));
final ParameterValue<Filter> filterParam = NetCDFFormat.FILTER.createValue();
FilterFactory2 FF = FeatureUtilities.DEFAULT_FILTER_FACTORY;
Filter filter = FF.equals(FF.property("z"), FF.literal(450.0));
filterParam.setValue(filter);
GeneralParameterValue[] values = new GeneralParameterValue[] {filterParam};
GridCoverage2D coverage = reader.read(coverageName, values);
assertNotNull(coverage);
if (TestData.isInteractiveTest()) {
coverage.show();
} else {
PlanarImage.wrapRenderedImage(coverage.getRenderedImage()).getTiles();
}
}
} catch (Throwable t) {
throw new RuntimeException(t);
} finally {
if (reader != null) {
try {
reader.dispose();
} catch (Throwable t) {
// Does nothing
}
}
}
}
@SuppressWarnings({"rawtypes", "unchecked"})
@Test
@Ignore
public void IASI() throws Exception {
final URL testURL = TestData.url(this, "IASI_C_EUMP_20121120062959_31590_eps_o_l2.nc");
final Hints hints =
new Hints(Hints.DEFAULT_COORDINATE_REFERENCE_SYSTEM, CRS.decode("EPSG:4326", true));
// Get format
final AbstractGridFormat format =
(AbstractGridFormat) GridFormatFinder.findFormat(testURL, hints);
final NetCDFReader reader = (NetCDFReader) format.getReader(testURL, hints);
assertNotNull(format);
assertNotNull(reader);
try {
String[] names = reader.getGridCoverageNames();
assertNotNull(names);
assertEquals(names.length, 20);
// surface_emissivity
final String coverageName = "surface_emissivity";
final String[] metadataNames = reader.getMetadataNames(coverageName);
assertNotNull(metadataNames);
assertEquals(14, metadataNames.length);
// Parsing metadata values
assertEquals("false", reader.getMetadataValue(coverageName, "HAS_TIME_DOMAIN"));
assertEquals("false", reader.getMetadataValue(coverageName, "HAS_ELEVATION_DOMAIN"));
assertEquals("true", reader.getMetadataValue(coverageName, "HAS_NEW_DOMAIN"));
// additional domains
final String newDomain = reader.getMetadataValue(coverageName, "NEW_DOMAIN");
assertNotNull(metadataNames);
final String[] newDomainValues = newDomain.split(",");
assertNotNull(newDomainValues);
assertEquals(12, newDomainValues.length);
assertEquals(13.063399669990758, Double.valueOf(newDomainValues[11]), 1E-6);
assertEquals(3.6231999084702693, Double.valueOf(newDomainValues[0]), 1E-6);
// subsetting the envelope
final ParameterValue<GridGeometry2D> gg =
AbstractGridFormat.READ_GRIDGEOMETRY2D.createValue();
final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope(coverageName);
final GeneralEnvelope reducedEnvelope =
new GeneralEnvelope(
new double[] {
originalEnvelope.getLowerCorner().getOrdinate(0),
originalEnvelope.getLowerCorner().getOrdinate(1)
},
new double[] {
originalEnvelope.getMedian().getOrdinate(0),
originalEnvelope.getMedian().getOrdinate(1)
});
reducedEnvelope.setCoordinateReferenceSystem(
reader.getCoordinateReferenceSystem(coverageName));
// Selecting bigger gridRange for a zoomed result
final Dimension dim = new Dimension();
GridEnvelope gridRange = reader.getOriginalGridRange(coverageName);
dim.setSize(gridRange.getSpan(0) * 4.0, gridRange.getSpan(1) * 2.0);
final Rectangle rasterArea = ((GridEnvelope2D) gridRange);
rasterArea.setSize(dim);
final GridEnvelope2D range = new GridEnvelope2D(rasterArea);
gg.setValue(new GridGeometry2D(range, reducedEnvelope));
// specify additional Dimensions
Set<ParameterDescriptor<List>> params = reader.getDynamicParameters(coverageName);
ParameterValue<List> new_ = null;
for (ParameterDescriptor param : params) {
if (param.getName().getCode().equalsIgnoreCase("NEW")) {
new_ = param.createValue();
new_.setValue(
new ArrayList() {
{
add(Double.valueOf(newDomainValues[11]));
}
});
}
}
GeneralParameterValue[] values = new GeneralParameterValue[] {gg, new_};
GridCoverage2D coverage = reader.read(coverageName, values);
assertNotNull(coverage);
if (TestData.isInteractiveTest()) {
coverage.show();
} else {
PlanarImage.wrapRenderedImage(coverage.getRenderedImage()).getTiles();
}
} finally {
if (reader != null) {
try {
reader.dispose();
} catch (Throwable t) {
// Does nothing
}
}
}
}
/**
* Returns the read parameters for the specified layer, merging some well known request parameters
* into the read parameters if possible
*
* @param request
* @param mapLayerInfo
* @param layerFilter
* @param reader
* @return
*/
public GeneralParameterValue[] getWMSReadParameters(
final GetMapRequest request,
final MapLayerInfo mapLayerInfo,
final Filter layerFilter,
final List<Object> times,
final List<Object> elevations,
final GridCoverage2DReader reader,
boolean readGeom)
throws IOException {
// setup the scene
final ParameterValueGroup readParametersDescriptor = reader.getFormat().getReadParameters();
CoverageInfo coverage = mapLayerInfo.getCoverage();
MetadataMap metadata = coverage.getMetadata();
GeneralParameterValue[] readParameters =
CoverageUtils.getParameters(readParametersDescriptor, coverage.getParameters(), readGeom);
ReaderDimensionsAccessor dimensions = new ReaderDimensionsAccessor(reader);
// pass down time
final DimensionInfo timeInfo = metadata.get(ResourceInfo.TIME, DimensionInfo.class);
// add the descriptors for custom dimensions
final List<GeneralParameterDescriptor> parameterDescriptors =
new ArrayList<GeneralParameterDescriptor>(
readParametersDescriptor.getDescriptor().descriptors());
Set<ParameterDescriptor<List>> dynamicParameters = reader.getDynamicParameters();
parameterDescriptors.addAll(dynamicParameters);
if (timeInfo != null && timeInfo.isEnabled()) {
// handle "default"
List<Object> fixedTimes = new ArrayList<Object>(times);
for (int i = 0; i < fixedTimes.size(); i++) {
if (fixedTimes.get(i) == null) {
fixedTimes.set(i, getDefaultTime(coverage));
}
}
// pass down the parameters
readParameters =
CoverageUtils.mergeParameter(
parameterDescriptors, readParameters, fixedTimes, "TIME", "Time");
}
// pass down elevation
final DimensionInfo elevationInfo = metadata.get(ResourceInfo.ELEVATION, DimensionInfo.class);
if (elevationInfo != null && elevationInfo.isEnabled()) {
// handle "default"
List<Object> fixedElevations = new ArrayList<Object>(elevations);
for (int i = 0; i < fixedElevations.size(); i++) {
if (fixedElevations.get(i) == null) {
fixedElevations.set(i, getDefaultElevation(coverage));
}
}
readParameters =
CoverageUtils.mergeParameter(
parameterDescriptors, readParameters, fixedElevations, "ELEVATION", "Elevation");
}
if (layerFilter != null && readParameters != null) {
// test for default [empty is replaced with INCLUDE filter] ]filter
for (int i = 0; i < readParameters.length; i++) {
GeneralParameterValue param = readParameters[i];
GeneralParameterDescriptor pd = param.getDescriptor();
if (pd.getName().getCode().equalsIgnoreCase("FILTER")) {
final ParameterValue pv = (ParameterValue) pd.createValue();
// if something different from the default INCLUDE filter is specified
if (layerFilter != Filter.INCLUDE) {
// override the default filter
pv.setValue(layerFilter);
readParameters[i] = pv;
}
break;
}
}
}
// custom dimensions
List<String> customDomains = new ArrayList(dimensions.getCustomDomains());
for (String domain : new ArrayList<String>(customDomains)) {
List<String> values = request.getCustomDimension(domain);
if (values != null) {
readParameters =
CoverageUtils.mergeParameter(parameterDescriptors, readParameters, values, domain);
customDomains.remove(domain);
}
}
// see if we have any custom domain for which we have to set the default value
if (!customDomains.isEmpty()) {
for (String name : customDomains) {
final DimensionInfo customInfo =
metadata.get(ResourceInfo.CUSTOM_DIMENSION_PREFIX + name, DimensionInfo.class);
if (customInfo != null && customInfo.isEnabled()) {
final ArrayList<String> val = new ArrayList<String>(1);
val.add(getDefaultCustomDimensionValue(name, coverage, String.class));
readParameters =
CoverageUtils.mergeParameter(parameterDescriptors, readParameters, val, name);
}
}
}
return readParameters;
}