Hi Allan, g.extension fails in that case on Windows, yes, and modules are not conveniently available to end users.
However, i.ann.maskrcnn does not require compilation since it is a Python tool. So, you could manually copy the Python scripts into your AddOn directory (not ad-hoc sure where the library parts of maskrcnn are supposed to go). That way they should be usable. There are more developer oriented notes for Windows here: https://trac.osgeo.org/grass/wiki/CompileOnWindows Hope that helps a bit. You may get further responses and more support on the GRASS developers list: grass-...@lists.osgeo.org<mailto:grass-...@lists.osgeo.org> Cheers, Stefan From: Allan Sims <sims.al...@gmail.com> Sent: onsdag 11. november 2020 10:07 To: Stefan Blumentrath <stefan.blumentr...@nina.no> Cc: GRASS-PSC <grass-psc@lists.osgeo.org> Subject: Re: [GRASS-PSC] Contribution in AddOns Dear Stefan, According to the manual: On MS-Windows systems, where compilation tools are typically not readily locally installed, g.extension downloads a precompiled executable from the GRASS GIS project server. So, end-user in Windows can't do anything if precompiled file contains errors? Regards, Allan On Wed, 11 Nov 2020 at 09:58, Stefan Blumentrath <stefan.blumentr...@nina.no<mailto:stefan.blumentr...@nina.no>> wrote: Hi Allan, There are definitely more developers on Linux/UNIX, but developing on windows should work and not be an issue, esp. when working with Python. The reason that there are no precompiled versions (and manual) for i.ann.maskrcnn.detect is due to the import of skimage (see below). Using lazy importing for skimage should fix this… Cheers, Stefan grass783/x86_64/addons/mswindows/osgeo4w/lib:/c/Users/landa/grass_packager/grass783/x86_64/addons/mswindows/osgeo4w:/c/windows32/system32:/c/windows:/c/windows32/system32:/c/windows" LC_ALL=C LANG=C LANGUAGE=C /c/Users/landa/grass_packager/grass784/x86_64/addons/i.ann.maskrcnn/scripts/i.ann.maskrcnn.detect.py<https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fi.ann.maskrcnn.detect.py%2F&data=04%7C01%7CStefan.Blumentrath%40nina.no%7C03053a24b2b34d4dd96908d886213f22%7C6cef373021314901831055b3abf02c73%7C0%7C0%7C637406824638388645%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=SaEQFNwnchxpkEHucs%2BE7LcPNKR%2BrFDoluzA2546SbU%3D&reserved=0> --html-description < /dev/null | grep -v '</body>\|</html>' > i.ann.maskrcnn.detect.tmp.html ; fi Traceback (most recent call last): File "C:/Users/landa/grass_packager/grass784/x86_64/addons/i.ann.maskrcnn/scripts/i.ann.maskrcnn.detect.py<https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fi.ann.maskrcnn.detect.py%2F&data=04%7C01%7CStefan.Blumentrath%40nina.no%7C03053a24b2b34d4dd96908d886213f22%7C6cef373021314901831055b3abf02c73%7C0%7C0%7C637406824638388645%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=SaEQFNwnchxpkEHucs%2BE7LcPNKR%2BrFDoluzA2546SbU%3D&reserved=0>", line 87, in <module> from skimage.measure import find_contours ModuleNotFoundError: No module named 'skimage' make[1]: *** [/c/msys64/usr/src/grass784/include/Make/Html.make:14: i.ann.maskrcnn.detect.tmp.html] Error 1 rm i.ann.maskrcnn.detect.tmp.html From: grass-psc <grass-psc-boun...@lists.osgeo.org<mailto:grass-psc-boun...@lists.osgeo.org>> On Behalf Of Allan Sims Sent: onsdag 11. november 2020 08:35 To: Ondřej Pešek <pesej.ond...@gmail.com<mailto:pesej.ond...@gmail.com>> Cc: GRASS-PSC <grass-psc@lists.osgeo.org<mailto:grass-psc@lists.osgeo.org>> Subject: Re: [GRASS-PSC] Contribution in AddOns Hi, I'm using GRASS in Windows; however, I have some trouble to install addons via g.extension. And i.ann.maskrcnn is one of those I have trouble with. Precompile module in http://wingrass.fsv.cvut.cz/grass78/x86_64/addons/grass-7.8.4/<https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwingrass.fsv.cvut.cz%2Fgrass78%2Fx86_64%2Faddons%2Fgrass-7.8.4%2F&data=04%7C01%7CStefan.Blumentrath%40nina.no%7C03053a24b2b34d4dd96908d886213f22%7C6cef373021314901831055b3abf02c73%7C0%7C0%7C637406824638398641%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=0vmCibqbBs7zdFF4LCl8IgeiPRbGkKatSIWJgWxTYxE%3D&reserved=0> do not contain file "i.ann.maskrcnn.detect.html" and this interrupts the installation. Also g.extension expects a html file for every .py file in folder maskrcnnlib. How many GRASS developers use Windows? Regards, Allan On Wed, 11 Nov 2020 at 08:59, Ondřej Pešek <pesej.ond...@gmail.com<mailto:pesej.ond...@gmail.com>> wrote: Hi Allan, po 9. 11. 2020 v 9:41 odesílatel Allan Sims <sims.al...@gmail.com<mailto:sims.al...@gmail.com>> napsal: I need and therefore going to develop frontend for python modules "keras" and "tensorflow" to analyze raster images in GRASS. Thus, I'd like to have write access for grass-addons repository and develop addons r.keras.* This is just great! I'm very happy to hear that. As Stefan mentioned, there are the i.ann.maskrcnn.* AddOns. However, these are still written in TF 1.x and therefore anything more modern and flexible would be highly appreciated. As these modules were part of my work, feel free to contact me if having any question or willing to discuss something. I'm looking forward to seeing more ANN modules up there. Regards, Ondrej
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