On vendredi 6 décembre 2019 14:05:37 CET Clay, Bruce wrote: > when I use gdal_translate to convert an ECW file to JP2000 it ends up 9 > times larger. I could not find any options to control the compression like > we can with Geotiff. Is there a way to get a compressed JP2000 image?
Certainly. You need to look at the specific JPEG2000 driver you use. For example for JP2OpenJPEG, the doc is at: https://gdal.org/drivers/raster/jp2openjpeg.html For example if you use QUALITY=5, then you'll get a file whose compressed size is 5% of the uncompressed file size. Even -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/gdal-dev
