Hello,<br><br>I got a huge dataset consisting of about 100 uncompressed TIFF's, each with size 12599 X 9449 pixels with RGB bands.<br>Note, that the TIFF's are not georef'ed, instead there are .tfw's following each file. Also, since they are about 350 MB each,<br>
I guess converting them to a compressed format could speed things up (I/O).<br><br>The "normal" approach would probably be to make a VRT dataset, and build overviews. However, building a an<br>overview based on the entire VRT index seems a bit heavy in this case.<br>
<br>Is it possible in some way to create compressed overviews (using gdaladdo) for each file, and<br>then build a VRT based on these ? Will the VRT dataset utilize the generated overviews ?<br><br><br>- oyvind<br><br><br>
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