<div dir="ltr">Hi Bruce,<div>One of the several advantages of using JP2K is compression indeed.</div><div>Which driver are you using to convert the files?</div><div>If JP2OpenJPEG, did you check this page?</div><div><a href="https://gdal.org/drivers/raster/jp2openjpeg.html#creation-options">https://gdal.org/drivers/raster/jp2openjpeg.html#creation-options</a> </div><div><br></div><div>I personally never tried that driver before but I think that the "Quality" and "YCC" create options should allow for some level of compression.</div><div>You may want to play with these parameters (some other people with more experience than me with that driver will probably chime in with some more feedbacks).</div><div>Just my 2c.</div><div><br></div><div>Regards,</div><div>Daniele</div><div><br></div><div></div><div><br></div><div> <br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Dec 6, 2019 at 3:20 PM Clay, Bruce <<a href="mailto:bclay@infoscitex.com">bclay@infoscitex.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">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?<br>
<br>
<br>
Bruce<br>
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