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 <[email protected]> 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 > > > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev > -- Best regards, Chaitanya kumar CH. /tʃaɪθənjə/ /kʊmɑr/ +91-9494447584 17.2416N 80.1426E
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