[gdal-dev] BuildOverviews

[Pierre Grout]

> [...]
> > My aim is to use it for making small image of the main one. (~10 x
> > smaller ).
>
> You should be able to pass panOverviewList={10} to get a 10x10 reduction.
> Do you want this to be a separate file, or do you just want it for
> accelerated loads with RasterIO()?

In fact both of them could interest me.
First I need a separate file for having a look over a huge image.
But accelerating loads with RasterIO could be interesting for me too.

Thanks,

Pierre.