[gdal-dev] Can GDAL read a GTiff from a memory buffer?

[Robert Nix]

Great, Evan! And I found your blog post about
it<http://erouault.blogspot.com/2012/05/new-gdal-virtual-file-system-to-read.html>
with
some good, helpful links too. Thank you!


On Thu, May 1, 2014 at 2:54 PM, Even Rouault
<even.rouault at mines-paris.org>wrote:

> Le jeudi 01 mai 2014 20:34:51, Robert Nix a écrit :
> > Hi,
> >
> > I have a situation where i get a geotiff across the network. I don't want
> > to have to save it to a file and reopen it to load it into numpy. Is this
> > possible with GDAL? Doesn't have to be supported in Python. I can call
> into
> > C/C++ if needed.
>
> Several possible ways :
>
> - This will download the whole file in memory before opening it :
> gdalinfo http://path/to/the.tif
>
> - This will download parts of the file when needed (if the server supports
> range downloading) :
> gdalinfo /vsicurl/http://path/to/the.tif
>
> - Download the data with the way you prefer in the_buffer
>   Use gdal.FileFromMemBuffer("/vsimem/tmp.tif", the_buffer)
>   gdal.Open("/vsimem/tmp.tif")
>   gdal.Unlink("/vsimem/tmp.tif")
>
>
> >
> > Thanks
>
> --
> Geospatial professional services
> http://even.rouault.free.fr/services.html
>



-- 
.nix
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