id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
14929	Automatic filters on numeric tag values	Don-vip	team	"During last SOTM-FR there were several interesting talks about indoor mapping and the applications around it.

It was clear indoor mapping with JOSM has room for improvement. Although there's [https://wiki.openstreetmap.org/wiki/JOSM/Plugins/indoorhelper indoorhelper plugin], indoor mappers usually have to define a lot of filters and the task is not easy.

Looking at the existing applications such as [http://openlevelup.net/ openLevelUp!] I had an idea about an automatic way to use filters, as follows:
[[Image(autofilters.png)]]

The feature is generic and preconfigured for the following numeric tags:
* `level` (by default)
* `layer`
* `maxspeed`
* `voltage`

This is extensible by plugins, the tags are only analyzed at high zoom levels to reduce the performance penalty, and the color is customizable.

Only one tag at a time, which can be chosen in preferences:

[[Image(prefs.png)]]

It seems to behave well on the areas I tested (mainly Paris), all feedback welcome :)"	enhancement	new	major	17.06	Core			sotmfr indoor mapping level layer maxspeed voltage