[gdal-dev] gdalwarp makes landcover files blocky when shrinking pixel size

Dmitry Baryshnikov polimax at mail.ru
Fri Jan 27 01:49:19 EST 2012

27.01.2012 3:39, John Twilley пишет:
> I am working with elevation and landcover data downloaded from the
> USGS.  I use gdalwarp to convert the data to a much smaller pixel. The
> elevation data works very nicely with cubic resampling, but the only
> resampling that works at all for the landcover data is
> nearest-neighbor and that's very blocky.  When I last worked with
> landcover data, I used a majority algorithm which produced smoother
> output -- but that algorithm is not implemented in gdalwarp.
> I am looking over the source to gdalwarp to see how hard it is to add
> a new algorithm.  Other than that, though, what options are available
> to me?  Thanks in advance!
> Jack.--
> mathuin at gmail dot com
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Hi John,

That is your command line string for gdalwarp?

Best regards,

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