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#1 2011-05-07 07:34:55
- Jouke1
- Member
- Registered: 2011-03-14
- Posts: 28
Change way tag if inside area
I would like to pre process osm-data before feeding it to my routing engine. For instance, I would like to change a highway=unclassified to highway=residential if that way resides completeley in an area with landuse=residential. But I have no clue on how to do this.
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#2 2011-05-14 19:44:29
- Jouke1
- Member
- Registered: 2011-03-14
- Posts: 28
Re: Change way tag if inside area
anyone?
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#3 2011-05-14 21:33:58
- cartinus
- Member
- From: Houten
- Registered: 2008-01-06
- Posts: 502
Re: Change way tag if inside area
I have no practical experience with this, but I have seen enough on these forums and the mailinglists that if this task was given to me, I would start with searching the internet for information about Postgis, ST_within and ST_contains.
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#4 2011-05-14 23:26:49
- Marqqs
- Member
- Registered: 2011-01-01
- Posts: 724
Re: Change way tag if inside area
Just out of curiosity, why do you want to change "residential" do "unclassified"? These tags have different meanings...
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#5 2011-05-18 12:57:59
- Jouke1
- Member
- Registered: 2011-03-14
- Posts: 28
Re: Change way tag if inside area
In the netherlands, most of the residential ways, are not tagged as such, instead most of them are tagged as unclassified. However, a dutch institution provided OSM with extensive landuse data in the form of area's. So if I could project de area-data onto the ways that lie within, I would be able to give those ways a proper residential tag and thus, giving it a speed penalty in the routing engine.
Cartinus: Thanks!
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