Loading...
DC Data Engineering Meetup: Open Geodata Workshop
bit.ly/dc-data-3
60 minute hands on workshop to extract raw spatial data from OSM, filter, transform and visualize it on the browser
DC Data Engineering Meetup 3: OpenStreetMap ETL Pipeline
Wed, Dec 18, 2019, 6:00 PM: This event is sponsored by Silectis.In this special *workshop* edition of the DC Data Engineering meetup, Arun Ganesh of Mapbox will lead a hands on workshop building an ET
www.meetup.com
OpenStreetMap
www.osm.org
Globally crowdsourced street map of the world
5+ billion points
4 million changes/day
6 million contributors
Data license:
ODbl
(CC-by-sa
like)
Edits animation:
https://osmlab.github.io/show-me-the-way/
Change explorer:
https://osmcha.mapbox.com
OpenStreetMap Data
📦
Dumps
:
https://planet.openstreetmap.org/
Weekly dump ~50GB
https://planet.osm.org/pbf/planet-latest.osm.pbf
Minutely replication diffs
https://planet.osm.org/replication/
All objects are versioned, full history:
Formats: protobuf, XML
Mirrors and smaller extracts
:
https://wiki.openstreetmap.org/wiki/Planet.osm#Country_and_area_extracts
Geographic extracts
Filtered data may not have all the OSM objects
Formats: GeoJSON, Shapefiles
Building an upto date OSM data mirror
Get latest weekly planet
Apply latest day, hour, minute diffs since the last weekly dump
https://wiki.openstreetmap.org/wiki/Planet.osm/diffs
OSM data primitives
http://wiki.openstreetmap.org/wiki/Elements
Geometry:Node
https://labs.mapbox.com/mapping/images/node-example1.png
Geometry:Way
Unlike traditional GIS data both lines and areas are treated as way geometries in OSM.
Please turn on JavaScript to use Paper in all of its awesomeness. ^_^
bit.ly/dc-data-3
OpenStreetMap www.osm.org
OpenStreetMap Data 📦
OSM data primitives
Geometry:Node
Geometry:Way