Hey, Supercool initiative! Unfortunately, I do not have enough time to help out with everything, but you have my support to add those to OSM as well - it will be a big added value.
Kind regards, Pietervdvn On 08.03.20 15:34, Midgard wrote: > Cool news! > > 1) Instead of doing it once, wouldn't it be nicer to keep it updated? > Generating a list of changes > between two versions of the source file would be trivial. > > 2) Three meters is way, way, way too little. I opened the data and looked at > literally the first > antenna I saw in OSM, and it was 4.5 meters from BIPT's position. I would > consider 25 meters the > bare minimum. > > 3) And even then, just dumping elements in OSM without manual review is not > considered best > practice, but since it's only nodes, things are relatively simple and I > won't object. I would > just like to see that they're not placed too close to any other existing > node, but that can be > checked automatically. > > Thanks for discussing before doing! > > Kind regards, > Midgard > > Quoting Vucodil via Talk-be (2020-03-08 14:15:26) >> Hello everyone, >> >> Recently, we got the permission from ibpt.be to use their data in >> OpenStreetMap: >> https://wiki.openstreetmap.org/wiki/Import/Catalogue/ibpt_belgium_antennas >> >> This includes all the antennas (more than 9000) managed by the three >> operators (Proximus, Mobistar and Telenet) with the info on who manages >> which antennas and their localisation. >> >> I wish to import them in a semi-automatic import. But before that, I wish to >> have your feedback on the: >> >> General workflow >> >> For the workflow, you can find it at the end of the import wiki page. The >> main idea is that the antennas to close to existing antennas will be >> manually reviewed. >> What do you think about that? Is it safe enough? >> >> Tags to use >> >> As there is around 300 antennas currently in Belgium >> (https://overpass-turbo.eu/s/QPC) and considering that this import will >> bring more than 9000 antennas, I think the tags of the import should be >> carefully chosen. >> >> The tags for the objects related to telecoms are not well defined. Various >> sources of information are available (see at the end of this email). >> If we choose to only map the antenna itself by excluding the support (mast, >> tower, roof, ...), it seems to exist two tags: >> >> - man_made=antenna >> (https://taginfo.openstreetmap.org/tags/man_made=antenna#overview) >> >> - telecoms=antenna >> (https://taginfo.openstreetmap.org/tags/?key=telecom&value=antenna) >> >> the first one being much more used. That's the one that I suggest. You can >> see more details on the tagging here: >> https://wiki.openstreetmap.org/wiki/Import/Catalogue/ibpt_belgium_antennas#Data_Preparation >> >> With the data from IBPT, it make sense to only focus on the antenna itself >> and not on the support as we don't have any information on it. >> In cities, it will usually be on roofs or underground like in tunnels but in >> the countryside, it is often on communication towers. >> >> Mapping only the antenna enable us to later map more complex things like in >> this proposal >> https://wiki.openstreetmap.org/wiki/File:Radio_antennas_mapping_proposal.png >> where I really like the separation between: >> >> - antenna >> - support >> - station >> >> Note that today, most antennas in Belgium are mapped via their support (mast >> or tower). >> >> What do you think about the tagging that I suggest? Does it make sense ? >> >> Vucodil >> >> PS: I sent two mails in a week about import. It is a coincidence, I'm not >> doing only that! >> >> Sources of information: >> >> - https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dantenna >> - https://wiki.openstreetmap.org/wiki/Telecoms >> - >> https://wiki.openstreetmap.org/wiki/Proposed_features/Telecommunications_tower >> - https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dmast >> - https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dcommunications_tower >> - >> https://wiki.openstreetmap.org/wiki/FR:Proposed_features/Key:antenna#Les_antennes_t.C3.A9l.C3.A9com >> - https://lists.openstreetmap.org/pipermail/talk-be/2011-April/001970.html >> >> - https://lists.openstreetmap.org/pipermail/talk-be/2011-April/001971.html > _______________________________________________ > Talk-be mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/talk-be -- Met vriendelijke groeten, Pieter Vander Vennet
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