<div dir="ltr">Greetings,<br><div><br></div><div>I am writing the output on the local AWS Instance to avoid write permissions error, then copying to a Bucket.<br> I get an error message if I leave out --config GDAL_SWATH_SIZE 1000000<br><br></div><div>I want to merge File A into File B, updating the 6GB file. The output is 622MB NOT 6GB??</div><div>(A) /vsis3/summer/1/coastal-2020.tif = 6GB<br>(B) /vsis3/summer/2/coastal-2020.tif = 622MB<br></div><div><br></div><div>Is this wrong?? (A) (B)<br></div><div>gdalbuildvrt -o /data/coastal-2020.vrt /vsis3/summer/1/coastal-2020.tif / vsis3/summer/2/coastal-2020.tif </div><div><br><div>The output in /data/coastal-2020.tif should be 6GB<br></div>gdal_translate /data/coastal-2020.vrt /data/coastal-2020.tif -co BIGTIFF=YES -co COMPRESS=LZW - -co NUM_THREADS=ALL_CPUS --config CPL_VSIL_USE_TEMP_FILE_FOR_RANDOM_WRITE YES --config GDAL_SWATH_SIZE 1000000 <br>##--config AWS_ACCESS_KEY_ID set in ./config<br>##--config AWS_SECRET_ACCESS_KEY set in ./config<br></div><div><br></div><div>-- </div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><p style="margin:0cm 0cm 0pt"><span style="font-family:Calibri;font-size:8pt"> Regards,</span></p><p style="margin:0cm 0cm 0pt"><span style="font-family:Calibri;font-size:8pt"><br></span></p><p style="margin:0cm 0cm 0pt"><span style="font-family:Calibri;font-size:8pt">Clive Swan</span></p>
<p style="margin:0cm 0cm 0pt"><span><font size="3"><font face="Calibri">--</font></font></span></p></div></div></div></div></div></div></div></div>