[GRASS-dev] GSoC 2018 report week 10 - GRASS GIS module for Sentinel-2 cloud and shadow detection

[Roberta Fagandini]

Hi Martin,
as Moritz suggested, Id like to have your opinion about the implementation
of a new procedure for downloading Sentinel images avoiding too many
dependencies.
I'm working on a module (i.sentinel.preproc [0]) which wraps the import and
the atmospheric correction of sentinel images. My intention is to add also
the download phase but I'd like to avoid dependencies. That's the reason
why I'm not using i.sentinel.download at the moment.
I found this python script [1] that maybe could solve the problem of
dependencies and it could be a good starting point.

What do you think?

As always any feedback is welcome!

Thanks in advance.

Roberta

[0] https://github.com/RobiFag/GRASS_clouds_and_shadows
[1] https://github.com/olivierhagolle/Sentinel-download

2018-07-23 8:25 GMT+02:00 Moritz Lennert <mlennert at club.worldonline.be>:

> Hi Roberta,
>
> On 22/07/18 11:33, Roberta Fagandini wrote:
>
>> Hi all!
>> I'm Roberta Fagandini and I'm working on my GSoC project, a GRASS GIS
>> module for Sentinel-2 cloud and shadow detection.
>> This is my report for the tenth week of coding.
>>
>> 1) What did I complete this week?
>>
>>   * Submitted a new version of i.sentinel.mask to the official GRASS-SVN
>>     repository [0][1]
>>   * Integrated the import of Sentinel 2 images into i.sentinel.preproc [2]
>>   * Tested the module and fixed bugs
>>   * Discussed with mentors about next steps and we decided to not
>>     implement the download procedure in the new module
>>     i.sentinel.preproc in order to avoid unnecessary and undesirable
>>     dependency as the dev community suggested
>>   * Studied other possible python libraries for the download of Sentinel
>>     images in order to reduce the number of dependencies (e.g.
>>     sentinelhub instead of sentinelsat)
>>   * Created a real complete GRASS GIS module that can be installed with
>>     g.extension from my GitHub repository [3][4]
>>
>
> Thanks for the great work. Both i.sentinel.mask and i.sentinel.preproc
> will be very useful additions !
>
>
>> Unfortunately, I wasn't able for two days because of an unexpected
>> personal commitment.
>>
>> 2) What am I going to achieve for next week?
>>
>>   * Write the manual page
>>   * Start implementing a new procedure for downloading Sentinel image
>>     avoiding too many dependencies
>>
>
> Please consult with Martin Landa on this last point. I would suggest that
> you provide a diff to the current i.sentinel.download instead of writing a
> completely new one.
>
> Moritz
>
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