ITO OpenStreetMap Year of Edits Video - 2011
https://vimeo.com/48984270
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Vs
www.creativecommons.org
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www.tomtom.com/en_gb/licensing/newsletter/201205/didyouknow
F. U. D. ..
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tools.geofabrik.de/mc
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Expensive Commercial Data isn't perfect either
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Bad POI Data
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“Many eyes make all bugs shallow”
openstreetbugs.schokokeks.org/
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Raw Vector Data available
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maps.stamen.com/watercolor
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Tile Data
maps.stamen.com
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izeize.com/openmaps
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www.itoworld.com/map/main
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www.itoworld.com/map/main
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www.itoworld.com/map/main
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maps.openstreetmap.ie
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Recent Announcements of Switches to and Support for OSM
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* SLA’s available from 3rd parties (€€). Self-hosting is cheap but can be complex.
OpenStreetMap
• API’s aimed at data editors
• Limited API functionality
• No ‘Service Level Agreements’*
• ‘Viral’ nature of data licence
• Focus on map data
• ‘Warm Geography’
• Instant data updates, Sporadic
• ‘Depth’ Issues (coverage, completeness)
• Weak Metadata
Other Data Providers:
• API’s aimed at data consumers
• Extensive API functionality
• SLA’s available (but €€)
• Derived data issues
• Focus on services
• ‘Cold Geography’
• Moderated update process, Consistent
• ‘Width’ issues (limited featureset)
• Expensive
Processed data downloads & services
www.geofabrik.de
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download.geofabrik.de
Including pre-configured Shapefiles (reduced featureset)
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Tile Data
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Tile Data Pyramid
tile.openstreetmap.org/0/0/0.png
tile.openstreetmap.org/10/494/331.png
tile.openstreetmap.org/18/126530/84980.png
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OpenStreetMap – Tile Usage
wiki.openstreetmap.org/wiki/Tile_Disk_Usage
OSM does NOT pre-render every tile.
Pre-rendering all tiles would use around 54,000 GB of
storage.
The majority of tiles are never viewed. In fact just
1.79% have ever been viewed.
This is because the majority of tiles are at zoom
level 18 and the vast majority of those contain nothing
of interest (they're entirely blue)
By following an on-the-fly rendering approach we can
avoid rendering these tiles unnecessarily.
The tile view count column shows how many tiles have
been produced on the OSM Tile server.
Tile server disk usage: 1,272 GB used. (6 Jan 2012).
(z0 to z15: 252 GB, z16 to z18: 1,020 GB)
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Edit Store Render Consume
Store Analyse
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Using OSM data in GIS
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Contributing to OSM
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Contributing to OpenStreetMap
Rule 1: Respect Copyright
wiki.openstreetmap.org/wiki/Beginners%27_guide
Contributing to OpenStreetMap
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walking-papers.org
GPS Mapping – on Paper
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pushpinosm.org
Mobile Apps – PushPinOSM - iOS
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code.google.com/p/osmeditor4android/
Mobile Apps – Vespucci - Android
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Contributing to OpenStreetMap
Rule 1: Respect Copyright
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OSM Wiki:
wiki.openstreetmap.org
OSM Help Forums:
help.openstreetmap.org
OSM-F Blog:
blog.osmfoundation.org
OpenGeoData Blog (OSM News):
opengeodata.org
Contacting Irish Mappers:
Mailing List: [email protected]
IRC: irc://irc.oftc.net #osm-ie or #osm
(Twitter: @osm_ie)
Contacting OSM
Next OSM Meetup:
Sat 8th December, 17.00
Bull & Castle, Christchurch