[GRASS-user] i.atcorr for GeoEye-1 and Worldview-3

Moritz Lennert mlennert at club.worldonline.be
Fri Jun 5 03:28:50 PDT 2015

On 05/06/15 10:52, Nikos Alexandris wrote:
> * Moritz Lennert <mlennert at club.worldonline.be> [2015-06-05 09:43:40 +0200]:
> ..
>>>> Maybe with a little more crowd-hunting or by someone just contacting
>>>> DigitalGlobe we would get the table of values right away?
>>> I tried to contact DigitalGlobe in the past about WV2.  I did not
>>> succeed back then.  Maybe now if someone has recently bought some WV3
>>> imagery.
>> Is this data confidential ? I would imagine that for DigitalGlobe it is
>> an advantage if software can use their products, or ?
> I don't think this data is confidential. If we dig more, it must be
> somewhere. But, as with WV2, and other sensors, when I set out to get
> the respective numbers, I realised that it wasn't a str8 line.  For
> example, <http://apollomapping.com/> offered these numbers in white
> papers and excel files, while DG did not.
> Note, that commercial software did have these numbers integrated already
> in their corresponding processing tools. And, though I haven't checked,
> I guess there is already the option to perform conversions and
> atmospherric corrections for WV3 imagery.
> If these data are for sale, I am in to contribute in buying them, as
> much as I can.

The problem is not only getting the data, but being allowed to integrate 
them into GPL'ed source code.

I'll see if I can do the approximation from the graphs today, so that we 
already have something to start with.


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