OpenStreetMap 13th ICOM Andreas Oxenstierna Orienteerer since 1973 Professional mapper (Sweden, France, Croatia) Member of Swedish map group since 1994 Professional GIS consultant today Developing GIS systems, ESRI and OpenSource-based “database-driven cartography” For T-Kartor and (since 2006) Sweco Who am I ?

OpenStreetMap 13th ICOM Andreas Oxenstierna What is OSM? One world-wide geographic database with many contributors – “GeoWiki” Phocus on streets – but also other features like land cover and POI Geometry types: Nodes, ways and closed ways (“areas”) Relations – group of geometries (Data Primitives) GPS-measured – quite good accuracy but not so detailed Stored in latitude/longitude – rendered in spherical Mercator projection Map Features with defined tags (common and extensible object model) Profiles like OpenCycleMap (specific tags and rendering)

OpenStreetMap 13th ICOM Andreas Oxenstierna Who owns OSM data? Collaboration – the contributors are the owners, with the Creative Commons Attribution/ShareAlike license (CC-BY-SA 2.0) Anyone can copy OSM data But if you incorporate it into something else, that “something else” also has to be copiable under the same terms and conditions (ShareAlike) When you copy it, you have to give credit to the copyright owner (Attribution) Supporting, not controlling: OpenStreetMap Foundation,

OpenStreetMap 13th ICOM Andreas Oxenstierna Why? Geodata is expensive, difficult to order and to use Especially true for vector data (and orienteering map data …) Object models are not standardized (ISOM is a notable exception) “Free” alternatives (e.g. Google Maps) are proprietary How? Database – PostgreSQL (earlier MySQL) Editors – Potlatch (Flash), JOSM (Java), Merkaator (Qt, i.e. C++) Interactive editing (GPS tracks) and batch import Renderer – Mapnik (out: raster tiles) and Osmarender (out: SVG) Runs on Linux, Mac and Windows OpenSource – all software (except maybe OS) More info

OpenStreetMap 13th ICOM Andreas Oxenstierna Status Check Many European towns are complete, like London, Aachen and Essen Fast growing acceptance – official vendors are beginning to … Berlin

OpenStreetMap 13th ICOM Andreas Oxenstierna COMO David Svantesson has created COMO, which might stand for Collaborative Orienteering Mapmaking Online or with Open software i.e. a potential alternative to OCAD and PC-Mapper and includes: MFStandardMFStandard Map Features Standard (object model stored as specific OSM tags) EditorEditor: JOSM or Merkaartor RenderRender: Osmarender (i.e. SVG files) OCAD Conversion toolsOCAD Conversion tools - converting between OCAD, OSM and COMO Local storage as OSM XML files or in OSM database (MySQL or PostGIS) i.e. no collaborative data contribution or ”OpenOrienteeringMap” More info

OpenStreetMap 13th ICOM Andreas Oxenstierna COMO – current best test map Issues: Another purpose Early days WYSIWYG editing Printing Projection Render from OSM data Ownership Pros: Database Common software OpenSource software Standardisation – ISOM tags Use OSM data