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updating & fixing OSM tutorial #59

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updating & fixing OSM tutorial #59

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19 changes: 10 additions & 9 deletions docs/kartograph.py/osm.md
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Expand Up @@ -19,18 +19,17 @@ After installing [PostgreSQL](http://www.postgresql.org/) and the [PostGIS exten
> createdb osm


Activate PostGIS on that database. You need to know where you installed PostGIS to find the postgis.sql and spatial_ref_sys.sql. For instance, if you installed PostGIS on Mac OS using homebrew, you find them under ``/usr/local/Cellar/postgis/1.5.3/share/postgis/``.
Activate PostGIS on that database.


> psql -d osm -f path/to/your/postgis.sql
> psql -d osm -f path/to/your/spatial_ref_sys.sql
> psql -d osm -c "CREATE EXTENSION postgis;"
> psql -d osm -c "CREATE EXTENSION postgis_topology;"


## Import OpenStreetMap data

Download a fresh OpenStreetMap dump. You can use either the XML version (.osm) or the binary version (.osm.pbf).

> wget http://download.geofabrik.de/osm/europe/germany/berlin.osm.pbf
> wget http://download.geofabrik.de/europe/germany/berlin-latest.osm.pbf


Install [osm2pgsql](http://wiki.openstreetmap.org/wiki/Osm2pgsql) and import the OSM dump into the database.
Expand All @@ -45,10 +44,12 @@ This can take quite a while (and consume lots of RAM), depending on the actual s
And that's it. Now you can create a map using the [latest bleeding edge version of Kartograph](https://github.com/kartograph/kartograph.py/tree/kartograph-2) and the following minimal map configuration:

{
"roads": {
"src": "postgis:dbname=osm",
"table": "planet_osm_roads"
}
"layers": {
"roads": {
"src": "postgis:dbname=osm",
"table": "planet_osm_roads"
}
}
}

Store this as ``map.json`` and run ``kartograph map.json -o map.svg`` to get a map like this:
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