[Gdal-dev] gdal_merge.py resample method

[guillaume huby]

Hello,

I'm using FWTools 1.6.0

I wondered about resample method used in gdal_merge.py when different
resolution are in inputs images.

In the script I found the following documentation :
"However,
        if the destination file is a different resolution, or different
        image pixel type, the appropriate resampling and conversions will
        be done (using normal GDAL promotion/demotion rules)."

Is the rule nearest neighbour, bilinear or some other resample method ?

Thanks in advance for replies.

Best regards,
Guillaume.
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