[gdal-dev] Build overviews and tile index

[Saâd HESSANE]

Thank's Even.

2012/7/12 Even Rouault <even.rouault at mines-paris.org>

> Selon Saād HESSANE <saad.hessane at gmail.com>:
>
> > Hi list,
> >
> > I'm workig on a Mapserver/GDAL application, and I have to setup the
> > datasource (create tileindex and overviews) to boost the performance.
> >
> > I have two question :
> >
> >    1. Can I store overviews in a different path than the original raster
> >    path? The original path can be in a read only folder like an optical
> disc.
>
> This should be possible by using the GDAL PamProxy mechanism, but I'ma
> afraid
> this is very lightly documented. See
> http://trac.osgeo.org/gdal/ticket/2432 for
> some elements.
>
> >    2. Can I build overviews of an entire VRT tile index ?
>
> gdaladdo on a VRT should work.
>
> >
> > Thank you.
> >
>
>
>
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