[gdal-dev] Use of the virtual dataset/rasterband

Paul Selormey paul at t...
Wed Aug 28 09:04:30 EDT 2002


Hello Frank,
Thanks for the response.

> Yes, somebody somewhere is at home. In fact, even I am.

Thank God!

> The virtual dataset "format" is a way of writing an XML description of a
> dataset where the image data is derived from other GDAL supported
datasets.
> It has a number of potential uses including:
>
> o A way of creating a dataset with different, or complete metadata
without
> copying image data.
>
> o A mechanism to merge bands from many files into one.
>
> o A way to create a subsetted dataset (without copying image).
>
> o A way to build a virtual mosaic from a set of data files.

Sounds good, I will also see how best to exploit it.
Again, thanks for the information.

Best regards,
Paul.






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