23 lines
1 KiB
Markdown
23 lines
1 KiB
Markdown
# Creating custom polys (some rough notes)
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Head to https://www.openstreetmap.org/ and find the relation id of the boundry you want as a poly
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Grab an appropriate pbf/osm.bz2 from http://download.geofabrik.de/ that INCLUDES the region you want to extract if not available
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Head to http://polygons.openstreetmap.fr/index.py and enter relation id
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Extract the region using osmosis
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https://wiki.openstreetmap.org/wiki/Osmosis/Examples
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http://blog.geofabrik.de/?p=75
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../bin/osmosis/bin/osmosis --read-pbf central-america-latest.osm.pbf \
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--tee 3 \
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--bp file=costa_rica.poly --write-pbf costa-rica-latest.osm.pbf \
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--bp file=nicaragua.poly --write-pbf nicaragua-latest.osm.pbf \
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--bp file=panama.poly --write-pbf panama-latest.osm.pbf
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../bin/osmosis/bin/osmosis --read-pbf australia-latest.osm.pbf \
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--tee 3 \
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--bp file=new-south-wales.poly --write-pbf new-south-wales.osm.pbf \
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--bp file=queensland.poly --write-pbf queensland-latest.osm.pbf \
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--bp file=victoria.poly --write-pbf victoria-latest.osm.pbf
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