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);
}
@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);
}
