[gdal-dev] An error in building overviews for

[Chaitanya kumar CH]

Zhenyu,

GDAL's HFA driver doesn't support creation of overviews. It can only read
them.

On Thu, Nov 11, 2010 at 9:16 AM, Zhenyu Lu <luzhenyu1981 at gmail.com> wrote:

>
> Hi, all:
> I'm having an error while using function Dataset.BuildOverviews in my code.
> The error message is "BuildOverviews() not supported for this dataset".
> However, when I used the ".tif" file the BuildOverviews worked just fine.
> The
> code is:
> int[] pOverviewList = { overView*2};
> int[] pBandList = new int[dataset.RasterCount];
> int err = dataset.BuildOverviews("NEAREST", pOverviewList);
> if (err != (int)CPLErr.CE_None)
>       return null;
> I'm using GDAL1.5.2 and C#2.0. Is it because the HFA driver doesn't support
> overview? Or is it a bug? Can anyone pointed out where is my problem?
> Thanks a
> lot!
> --
> Zhenyu Lu
> SUNY-ESF
>
>
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>



-- 
Best regards,
Chaitanya kumar CH.
/tʃaɪθənjə/ /kʊmɑr/
+91-9494447584
17.2416N 80.1426E
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