Hi GT-developers,
Even this piece of code locks the GeoTIFF file (as soon as the coverage is
created by some InputStreams):
File geotiff = ...
BufferedImage bufferedImage = ImageIO.read(geotiff);
PlanarImage planarImage = PlanarImage.wrapRenderedImage(bufferedImage);
GeoTiffReader reader = new GeoTiffReader(null);
cov = reader.createCoverage(planarImage, null);
cov.dispose(true);
Well, I don't have a clue how to dispose a coverage for sure and relatively
fast, so that the underlying GeoTIFF file can be further processed
(moved/renamed/deleted etc.)!
In my case (just for reading the BoundingBox of a GeoTIFF file) following
code did not lock the underlying GeoTIFF file when reading from it, so this
solves my problem in the meantime:
AbstractGridFormat format = GridFormatFinder.findFormat(geotiff);
AbstractGridCoverage2DReader gridReader = format.getReader(geotiff);
Rectangle2D rect = gridReader.getOriginalEnvelope().toRectangle2D();
// doing something ... (like reading envelope etc.)
System.out.println("left: " + Double.toString(rect.getMinX()));
System.out.println("bottom: " + Double.toString(rect.getMinY()));
System.out.println("right: " + Double.toString(rect.getMaxX()));
System.out.println("top: " + Double.toString(rect.getMaxY()));
I would nevertheless appreciate if someone can give me a hint how to dispose
a coverage.
Thanks
João
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