private File localReproject(
WcsReaderRequest request, File containingDirectory, String baseFilename)
throws NoSuchAuthorityCodeException, FactoryException, IOException {
InputStream input = null;
File tmpFile = null;
try {
BoundWcsRequest geotiffRequest = request.bind(_wcsUrl).withFormat("geotiff");
BoundWcsRequest requestNativeFormat =
geotiffRequest.withCRS(geotiffRequest.getNativeCRSs().iterator().next());
requestNativeFormat.assertLegalSize(_maxCoverageExtractionSize);
input = requestNativeFormat.getCoverage();
File file = null;
file = new File(containingDirectory, baseFilename + "." + request.fileExtension());
LOG.debug("Writing GridCoverage obtained from " + _wcsUrl + " to file " + file);
tmpFile = File.createTempFile(baseFilename, ".tif");
writeToFile(tmpFile, input);
transformCoverage(tmpFile, file, request, requestNativeFormat, true);
return file;
} finally {
if (tmpFile != null) FileUtils.delete(tmpFile);
if (input != null) IOUtils.closeQuietly(input);
}
}
/* ------------------- Support methods for readToFile ------------------- */
private File remoteReproject(
WcsReaderRequest request, File containingDirectory, String baseFilename)
throws NoSuchAuthorityCodeException, FactoryException, IOException {
InputStream input = null;
try {
BoundWcsRequest requestNegotiatedFormat = negotiateFormat(request.bind(_wcsUrl));
BoundWcsRequest requestNegotiatedFormatCrs = negotiateRequestCRS(requestNegotiatedFormat);
BoundWcsRequest requestNegotiatedFormatCrs2 =
negotiateResponseCRS(requestNegotiatedFormatCrs);
requestNegotiatedFormatCrs2.assertLegalSize(_maxCoverageExtractionSize);
input = requestNegotiatedFormatCrs2.getCoverage();
// file = new File (new File("/tmp/"),
// baseFilename+"."+request.fileExtension());
File file = null;
file = new File(containingDirectory, baseFilename + "." + request.fileExtension());
LOG.debug("Writing GridCoverage obtained from " + _wcsUrl + " to file " + file);
convertFormat(baseFilename, input, file, request, requestNegotiatedFormatCrs2);
transformCoverage(file, file, request, requestNegotiatedFormatCrs2, false);
return file;
} finally {
if (input != null) IOUtils.closeQuietly(input);
}
}
/**
* Write world image extensions : TFW, PRJ, TAB
*
* @param request
* @param file
* @param in
* @throws IOException
*/
private void writeWorldImageExt(WcsReaderRequest request, File file) throws IOException {
String baseFilePath = file.getPath().substring(0, file.getPath().lastIndexOf('.'));
// Compute image size and image transformed BBOX
ReferencedEnvelope transformedBBox;
AffineTransform transform;
int width = -1;
int height = -1;
String ext = FileUtils.extension(file);
try {
final Iterator<ImageReader> readers = ImageIO.getImageReadersByFormatName(ext.substring(1));
while (readers.hasNext() && width < 0 && height < 0) {
ImageInputStream stream = null;
try {
ImageReader reader = readers.next();
stream = ImageIO.createImageInputStream(file.getAbsoluteFile());
reader.setInput(stream, true, false);
width = reader.getWidth(0);
height = reader.getHeight(0);
break;
} catch (Exception e) {
width = -1;
height = -1;
// try next reader;
} finally {
if (stream != null) {
stream.close();
}
}
}
transformedBBox = request.requestBbox.transform(request.responseCRS, true, 10);
if (width < 0) {
width = (int) Math.round(transformedBBox.getWidth() / request.crsResolution());
}
if (height < 0) {
height = (int) Math.round(transformedBBox.getHeight() / request.crsResolution());
}
Rectangle imageSize = new Rectangle(width, height);
transform = RendererUtilities.worldToScreenTransform(transformedBBox, imageSize);
transform.invert();
} catch (Exception e) {
throw new ExtractorException(e);
}
// Generate TFW TAB PRJ files
createWorldFile(transform, ext, baseFilePath);
createTABFile(transformedBBox, width, height, baseFilePath, ext);
createPrjFile(request.responseCRS, baseFilePath);
}
private void convertFormat(
String baseFilename,
InputStream in,
File file,
WcsReaderRequest request,
BoundWcsRequest requestNegotiatedFormat)
throws IOException, AssertionError, FileNotFoundException {
if (!request.format.equals(requestNegotiatedFormat.format)) {
// the server did not support the desired format so we have to
// reproject
if (request.format.equalsIgnoreCase("geotiff")) {
File tmpDir = FileUtils.createTempDirectory();
try {
File tmpFile = new File(tmpDir, baseFilename + "." + request.fileExtension());
writeToFile(tmpFile, in);
writeWorldImageExt(request, tmpFile);
convertToGeotiff(tmpFile, file);
} finally {
FileUtils.delete(tmpDir);
}
} else {
BufferedImage image = ImageIO.read(in);
ImageIO.write(image, request.format, file);
writeWorldImageExt(request, file);
}
} else {
if (Formats.embeddedCrsFormats.contains(request.format)) {
writeToFile(file, in);
} else {
writeToFile(file, in);
writeWorldImageExt(request, file);
}
}
}
