[Tagging] Power generation refinement: power plant model evolution

François Lacombe francois.lacombe at telecom-bretagne.eu
Sun Apr 14 17:58:48 UTC 2013


Hi LM_1

Here is the first opnion in favor of using relations in this thread, let's
debate :)


2013/4/12 LM_1 <flukas.robot+osm at gmail.com>

> 1) All situations complex and simple can be mapped in the same way - this
> makes my mapping easier.
>

That's the point which is highlighted by data quality and consistency
persons.
I would love this too but it's hard for me to make a choice between mappers
load of work and data consuming easing.

Those seem to be incompatible, don't you?


> 2) Single real object can have all the information on one place only, not
> on 50+ osm objects (eg. name of long streets).
>

Concerning power plants, type of primitive doesn't matter since all plant's
information is stored whether in a relation or in a closed area.


> 3) Higher level, more abstract features can be handled more easily.
>

That's a good point.
With relations, all power plants would be mapped the same way and consuming
rules would be simpler.
=> Mapping rules would implicitly be too : "Okay a power plant, let's use a
relation" instead of "Errr a power plant, is it closed or is it dispersed?"

But look above what Martin Vonwald thinks about data consuming :)


> 4) With appropriate editor (eg. JOSM with Relation Toolbox) it is no more
> difficult to learn than drawing a square.
>

+1


> 10) Relations just make sense.
>

It makes relational sense, but not spatially sense, to be objective.

It would be great to find out what are the "state of the art" in OSM to
make a better choice than "heads or tails" : *what is used for airports,
train stations, factories,... ?*
If we can't do that, I'll make a choice which won't satisfy everyone here
and *the proposal may not be accepted* (which is not an option for me when
I look back to the amount of time I spent on it).


Cheers.



-- 
*François Lacombe*

francois dot lacombe At telecom-bretagne dot eu
http://www.infos-reseaux.com
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