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</head><body><p>sorry, I did not carefully read .. obviously the wrong answer. But as far as I understand you need a valid ERDAS license for compression.<br></p><p>Cheers.<br></p><p>Stefan<br></p><blockquote type="cite">st_kiefer@web.de hat am 16. April 2019 um 12:46 geschrieben: <br> <br><p>you might want to have a look for<br></p><p><a href="https://gdal.org/frmt_gtiff.html">https://gdal.org/frmt_gtiff.html</a><br></p><p>search for "COMPRESS=" and decide which compression mode to use, and further parameter if posiible to control the compression level like for example "JPEG_QUALITY=", to extend the -co parameter.<br></p><p>Cheers.<br></p><p>Stefan<br></p><blockquote type="cite">Piotr Kania <p.kania00@gmail.com> hat am 16. April 2019 um 12:32 geschrieben: <br> <br><div dir="ltr"><div dir="ltr">Hello! </div><div>I am sorry for asking about sth not connected with qgis...</div><div dir="ltr">I would like to use old FWTools 2.4.7 to convert geotiff's files to ecw format. Right now I use that "command": for %i in ("d:\....\*.tif") do gdal_translate -of ECW -co LARGE_OK=YES "%i" "d:\.....\%~ni.ecw</div><div dir="ltr"><br></div><div>Can I add sth to that "command" to achieve better "compression ratio"? Thanks for any response.</div><div><br></div><div>Greetings - Piotrek</div></div>_______________________________________________ <br>Qgis-user mailing list <br>Qgis-user@lists.osgeo.org <br>List info: https://lists.osgeo.org/mailman/listinfo/qgis-user <br>Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user</blockquote></blockquote><p class="default-style"><br> </p><blockquote type="cite">_______________________________________________ <br>Qgis-user mailing list <br>Qgis-user@lists.osgeo.org <br>List info: https://lists.osgeo.org/mailman/listinfo/qgis-user <br>Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user</blockquote><p class="default-style"><br> </p></body></html>