[gdal-dev] VSIS3 on digital globe multiview-stereo (NITF)

[Even Rouault]

Mike,

> 
> I'm having an issue with VSIS3 on the Digital Globe multiview-stereo
> imagery collection.
> 
> Here is an example command I'm running --
> gdal_translate -srcwin 000 000 1000 1000 /vsis3/glitch253/test2.ntf
> from_s3.nitf
> 
> So I'm simply cropping out an upper left 1000x1000 window. When I've done
> this previously on data such as Landsat, this command would run very fast,
> and only appear to download the necessary data.
> 
> The problem I'm having is that on this Digital Globe data, the command runs
> very slowly and appears to download the entire image.
> 
> Is there a workaround for this?

I'm not sure if there's something to do on the GDAL side. This might strongly depend on the 
pixel layout of the source NITF file. Could you show the output of "gdalinfo /vsis3/glitch253/
test2.ntf" ?

Even

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