[gdal-dev] Distinguish between no DTED data and actual DTED elevation of 0

[Even Rouault]

On mercredi 26 juin 2019 12:05:36 CEST LEGGE Melvin wrote:
> Thanks Even
> 
> So based on your response, a GDalDataSet normally should have valid data all
> the way to its edges?

This all depends on the content of the dataset you read. GDAL will just expose 
it as it is on file, without adding artificial 0.

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