I think some projects / maperthons are better organised than others. The low hanging fruit for project managers is manage your project and some how get your hands on a tool to catch the errors early. A manual validator with JOSM if you can find one works extremely well for data quality.
Cheerio John On 11 Nov 2017 5:23 am, "Bjoern Hassler" <[email protected]> wrote: > Hi John, hi Frans, > > We did write a basic tool that can pick up errors new mappers are making: > https://github.com/OSM-Utilities/JOSM-Scripts-HOT > > It's meant to do exactly what you say: Spot issues as soon as possible, > i.e. ideally during a mapathon or at the start of a new campaign. The tool > presents an analysis not by changeset or completed tile, but by user > (directly from OSM), and e.g. gives you the percentage of non-square 4-node > buildings per user. It can also check a number of tags. We've used this at > Cambridge mapathons to identify new mappers that systematically don't > square buildings. (It obviously cannot tell the size of buildings relative > to imagery.) We also use it to identify new mappers that are not mapping a > lot during the mapathon, and may therefore need extra help and > encouragement to have a good experience (and would thus be more inclined to > come back). > > We'd be very happy to help you (and whoever else is interested) get it set > up! > Bjoern > > > On 11 November 2017 at 08:59, Frans Schutz <[email protected]> wrote: > >> You are right. >> I see that as often as well. For sure beginners who start with ID and >> even start validating after a few Mapping sessions in which the most >> elementry taggings went wrong. It would help if there is a mechanism in HOT >> task mgr which not allows to start validating from ID or when a mapper has >> les than a minimum level. >> Frans >> >> Op vr 10 nov. 2017 om 15:14 schreef john whelan <[email protected]> >> >>> I'm currently adding tags to some 1,500 buildings in Malawi. Many are >>> from recent HOT projects. I dislike validating building projects since I >>> never really know what to do with buildings that are three times the size >>> of the image and not square either but if someone could just run JOSM >>> occasionally on the project tiles for these sort of projects and give >>> feedback to the mappers that they really should tag their buildings that >>> would help enormously and the quicker you pick up the new mappers and >>> correct them the less work there is to do later on. >>> >>> It isn't just Malawi by the way but most of these are less than a dozen >>> buildings per mapper and they all have to be visually checked. >>> >>> Thanks John >>> _______________________________________________ >>> HOT mailing list >>> [email protected] >>> https://lists.openstreetmap.org/listinfo/hot >>> >> -- >> >> >> >> >> Frans >> >> _______________________________________________ >> HOT mailing list >> [email protected] >> https://lists.openstreetmap.org/listinfo/hot >> >> >
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