In my experience, 128x128 is too small. 256x256 or 512x512 are good choices.
I have no experience with GDALBUILDVRT, cannot assist here.
Quoting Tacot <[email protected]>:
OK. So I try using this size for each tiles 128*128.
The treatment is very long.
So is it possible with GDALBUILDVRT, to translate virtualy the ECW in
another format; cut in several tiles; and then re-translate each tile in
ecw?
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