[GRASS-user] i.atcorr for GeoEye-1 and Worldview-3
monk_purple at yahoo.com
Mon Jun 8 18:16:56 PDT 2015
Well, it's been 4 days and it seems the US-based reseller is not keen on providing the information either or they are not allowed to do so. Perhaps it's a protocol in agreement with commercial software providers. Without access to these such as ERDAS or ENVI, I am stuck in my preprocessing.
On Friday, June 5, 2015 11:35 PM, Moritz Lennert <mlennert at club.worldonline.be> wrote:
On 05/06/15 12:28, Moritz Lennert wrote:
> 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
>>> 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.
Here is the data from the first graph in the document , i.e. visible,
nir and pan bands. The attached graphic showing the results seems quite
similar to the one in the document. But this is still only an
We still need the data for the swir bands, but I have to stop for now.
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