IRC logs for #farmOS, 2019-12-31 (GMT)

2019-12-30
2020-01-01
TimeNickMessage
[19:53:46]<mstenta[m]><paul121[m] "I'm curious how we can get custo"> This is possible with the MapKnitter module included with farmOS
[19:54:13]<mstenta[m]>Using a layer you create and host on MapKnitter.org
[19:54:57]<mstenta[m]>Or if you have layers hosted with something like MapServer or GeoServer you can simply add them to the Openlayers map as new layers
[19:55:18]<paul121[m]>Oh wow! Hadn't heard about MapKnitter
[19:55:21]<mstenta[m]>This is possible currently, and will be even simpler in the new farmOS-map library
[19:55:55]<paul121[m]>> Or if you have layers hosted with something like MapServer or GeoServer you can simply add them to the Openlayers map as new layers
[19:55:55]<paul121[m]>I thought this might be the case. So cool
[19:55:59]<mstenta[m]><generalredneck[m "Yeah... I was thinking the same."> Oh yes! I've thought about this too! Using a simple image layer
[19:56:37]<mstenta[m]>The tricky part there is that the drawing would need to be accurate to GPS coordinates/scale
[19:57:42]<paul121[m]>Are there tools that would help you scale a drawing on paper to match GPS coordinates/scale?
[20:00:04]<mstenta[m]>Hmm good question
[20:00:09]<mstenta[m]>I don't know
[20:00:28]<mstenta[m]>Wow catching up on the conversation above regarding zone minder
[20:00:32]<mstenta[m]>Super cool!
[20:04:41]<generalredneck[m>@mstenta:matrix.org: Only if you plan to have GPS interact with the layer. Otherwise it would be a good visualization selection tool to visualize the areas (which is the way ubiquiti uses it)
[20:05:30]<generalredneck[m>Obviously, not pushing for that... was more of a brainstorming session than anything.
[20:15:00]<generalredneck[m>Since we are talking about integration of open source software I support... we just lack OpenKJ :p but not sure how farming an karaoke go together yet.
[20:25:25]<mstenta[m]>You could make it an Input log :-)
[20:25:57]<mstenta[m]>Adding good karaoke vibes to the crops
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[21:16:59]<symbioquine_>> Are there tools that would help you scale a drawing on paper to match GPS coordinates/scale?
[21:17:18]<symbioquine_>yes. GIS tools like QGIS can be used to "georeference" raster images.
[21:17:39]<symbioquine_>https://www.qgistutorials.com/en/docs/georeferencing_basics.html
[21:18:05]<symbioquine_>paul121[m] ^
[21:20:00]<symbioquine_>You could then presumably serve those raster layers via MapServer/GeoServer/QGIS-itself/etc
[21:24:03]<mstenta[m]>Awesome! And then those hosted layers could be added to the Openlayers map
[21:35:52]<generalredneck[m>Wonder how much work all 👆 is :p
[21:37:51]<generalredneck[m>I suspect as a small homestead Ima probably pass personally... but drone imagery from colleges or what not... totally get that effort
[21:41:21]<generalredneck[m>Wonder how you geo-reference something accurately. I know geo-referenceing a set of plans takes a surveyor and a reference pin in the ground.
[21:49:32]<symbioquine_>You find corners of landmarks which are easily identifiable in your imagery and are known distances/bearings from known physical locations.
[21:50:33]<symbioquine_>... or you use common features in your imagery and some imagery which is already georeferenced
[21:53:19]<symbioquine_>If you're creating your own imagery - say with a drone - one of the idea cases is to flag existing survey markers such that they are visible from the drone imagery itself.
[21:55:19]<symbioquine_>https://support.dronesmadeeasy.com/hc/en-us/articles/115003655066-Georef...
[22:51:04]<paul121[m]>Wow, great info. Didn't know how that worked! Thanks for sharing
[22:59:28]<symbioquine_>%s/idea cases/ideal cases/
[23:11:29]<jgaehring[m]>I want to let everyone know we'll be having a discussion in the next monthly call (Jan 8, 2pm EST) regarding improvements to the UI/UX of Field Kit. If you're beta testing and have any feedback we'd love to hear from you! More details here: https://farmos.discourse.group/t/discussing-field-kit-ui-in-next-monthly...
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[09:59:53]<mstenta[m]>I updated the farmOS monthly call schedule for 2020: https://farmos.org/community/monthly-call/
[09:59:57]<mstenta[m]>Happy New Year! 🎉
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[12:12:25]<cpm>Happy New Year! (almost)
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[13:26:37]<svenn7>mstenta[m] "almost" because some fields report an error when clicked in "area". Is there a logging feature in farmos when something fails in farmos and not in php
[13:29:42]<svenn7>could it be that the fields are defined with polygon() and not with linestring()?
[13:36:41]<svenn7>In which database table are the farm areas stored?
[13:37:04]<svenn7>I find that some of the areas are stored in sites/default/farm
[13:37:49]<svenn7>sites/default/files/farm/area I think
[13:41:00]<svenn7>this is what I find in a log : Error: Call to a member function getY() on null in Polygon->area() (line 32 of /home/www/doc/7901/bjerkem.de/www/farmos/profiles/farm/modules/contrib/geophp/geoPHP/lib/geometry/Polygon.class.php).
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[17:04:14]<mstenta[m]>Ah ha! You're in luck @svenn7! I just fixed that issue today :-)
[17:05:31]<mstenta[m]>The fix will be included in the next release, and in the meantime there are instructions for fixing it manually here:
[17:05:32]<mstenta[m]>https://www.drupal.org/project/geophp/issues/3050510#comment-13407879
[17:24:20]<svenn7>I can report back that the manual edit of line 31 and 83 did give me my local areas back :)
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