- Is it possible to ignore existing overview when performing decimated read?
Re: Is it possible to ignore existing overview when performing decimated read?
On vendredi 13 novembre 2020 09:05:41 CET Sean Gillies via groups.io wrote:
> HI Loïc,
> I don't think we currently have any option other than to remove the
> overviews. In theory GDAL's OVERVIEW_LEVEL open option could help us, but
> the implementation isn't there. For example, if you used gdalwarp with
> `-ovr NONE` it will set an internal overview level to the value of -1. But
> that bypasses GDALOpenEx (used by rasterio). GDALOpenEx won't let us pass
> `OVERVIEW_LEVEL=-1. It fails with a "Cannot open overview level -1" error.
Was left as an exercice for a contributor:
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