[Gdal-dev] Creating overviews in different folder

Frank Warmerdam warmerdam at pobox.com
Tue Sep 28 11:04:09 EDT 2004

Daniel Bäck wrote:
> Yes i would like to use the overviews with the original file, supplying a 
 > location or name of the overview file in the call to GDALOpen or similar.


I am not keen on changing the GDALOpen() or overview generation API to
start passing in names of overview files.

> The solution with the .vrt dataset might work out nicely for me, creating 
 > it with CreateCopy in the new location. Any immediate draw backs to this solution?

The main downside other than complication is that raster access through
a virtual file can be somewhat slower depending on how it is done.

Best regards,

I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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