[HOT] Broken (multi)polygon cleanup

Coast Limit coastlimit at gmail.com
Sat Mar 18 16:43:29 UTC 2017

I know this discussion is focused on cleaning up these issues, but — as a relatively new mapper — can I make a suggestion on how we might better limit mistakes in the first place?

John Whelan said earlier, "What I have noticed is one mapper will misstag then others will follow.” I think this is true, and likely goes beyond tagging — I suspect new mappers are looking for frames of reference to judge their own work by, and end up just mimicking one another’s poor mapping methods. This is one way we might be getting “experienced” mappers (i.e., thousands of edits) who are still adding a lot of problems to the map.

My suggestion:

It would be nice if HOT projects started with a single task already mapped and completed by experienced mappers, and approved by the project manager, as a “reference task” for the project. Highlight it with a unique color.

That way new mappers have an authoritative reference point for that task — they can see which imagery it should be aligned with, the level of road detail expected, the different types of tags attached to areas, which people they might message with questions, etc.

It would give motivated new mappers something trustworthy to mimic.



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