[Gdal-dev] Detecting if overviews may be built for a raster file

[Tim Sutton]

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Hi

I have now implemented a basic overview building frontend in QGIS for rasters. 
One thing Id like to know is if its possible to tell before hand if a given 
raster permits overviews?

Regards

Tim
- -- 
The only reason for time is so that everything doesn't happen at once 
 --Albert Einstein 

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