Hi all! I have just added a new version of the grass python script to my GitHub repository [0]. I tried to clean up the code. As always, any feedback is welcome!
Thanks in advance! Roberta [0] https://github.com/RobiFag/GRASS_clouds_and_shadows 2018-05-21 15:19 GMT+02:00 Roberta Fagandini <[email protected]>: > Ciao Stefan! > > 2018-05-20 21:44 GMT+02:00 Stefan Blumentrath <[email protected]> > : > >> Ciao Roberta, >> >> Thanks for the comprehensive report! >> >> One general hint: Even if the drawback is complex expression(s) I would >> suggest merging r.mapcalc calls. That can improve performance quite a bit >> (less data read and written) and reduces the need to manage temporary data. >> >> See also: https://grass.osgeo.org/ >> <https://grass.osgeo.org/grass74/manuals/r.mapcalc.html#multiple-computations> >> grass74 >> <https://grass.osgeo.org/grass74/manuals/r.mapcalc.html#multiple-computations> >> /manuals/r.mapcalc.html#multiple-computations >> <https://grass.osgeo.org/grass74/manuals/r.mapcalc.html#multiple-computations> >> >> If you don't need the first_... To fifth_... files later, I would even >> say everything in 3rd_procedure.py until r.to.vect could be solved in a >> single mapcalc operation... >> > > Thank you so much for your hints! I'm trying to clean up the code without > creating a too complex expression..I hope to share the new version by this > evening or tomorrow at the latest. > > >> >> Kind regards and again thank for your GSoC work, >> Stefan >> >> > Thanks again!! > Roberta > > >> >> ------------------------------ >> *From:* grass-dev <[email protected]> on behalf of >> Roberta Fagandini <[email protected]> >> *Sent:* Sunday, May 20, 2018 4:33:57 PM >> *To:* [email protected]; GRASS developers list >> *Subject:* [GRASS-dev] GSoC 2018 report week 01 - GRASS GIS module for >> Sentinel-2 cloud and shadow detection >> >> 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 first week of coding. >> Since my progress has been a bit faster than expected I have already >> discussed with my mentors about further additions to the project. Therefore >> I have already updated my wiki page [0] changing the timeline. In this way, >> I will be able to release a more complete module. >> >> *1) What did I complete this week?* >> >> - Checked the prototype version of the algorithm for cloud and shadow >> detection >> - Tested it >> - I better studied the documentation of the GRASS Python Scripting >> Library and started coding the GRASS python script following the >> workflow schema prepared during the bonding period [1] >> - Coded the 'data preparation' phase >> - Coded the clouds detection procedure >> - Added this first part of python script to my GitHub repository [2] >> - Discussed with my mentors about further additions >> - Discussed with the community about testing phase. I received some >> feedback and some developers stepped forward to help me in testing the >> algorithm >> - Shared progress with the community >> >> Unfortunately, I wasn't able to code on Thursday because of a PhD meeting >> with my supervisor. >> >> *2) What am I going to achieve for next week?* >> >> - Finish the translation of the algorithm in a basic python script >> adding the shadows detection procedure and the steps for checking and >> cleaning the final outputs (see [1] for details) >> - Improve the python script so as to have a "light" working python >> script (manage temporary file, clean up the code, etc.) >> - Test it and fix bugs >> - Start implementing the GUI >> >> *3) Is there any blocking issue?* >> No at the moment. >> >> Best wishes, >> Roberta >> >> [0] https://trac.osgeo.org/grass/wiki/GSoC/2018/CloudsAndShadowsDetection >> [1] https://drive.google.com/file/d/1KYEKvNBurBFHw1xUTLjM0PW >> 80Z-7br81/view?usp=sharing >> [2] https://github.com/RobiFag/GRASS_clouds_and_shadows >> > >
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