Huge output

When I save an image to Geotiff or dimap the output files are huge. Can the compression be set somehow? Other software can save Geotiff much smaller without affecting the data quality.

This is an feature which we have on our agenda for a while. Right now it is not possible to configure the compression for an output. If you like to have smaller output files you can choose NetCDF4 as output format. This one uses compression by default.


You can use gdal_translate (from the GDAL package) to compress, e.g.:

gdal_translate -co “COMPRESS=DEFLATE” -co “TILED=YES” uncompressed.tif compressed.tif

This is lossless compression. Works well on S2.

Given the filesizes compression on read/write should speed up I/O a lot…hopefully we can implement this soon.