Walkshed.js: Client-side Raster Processing with OSM Data Tiles

A session at State of the Map US 2013

Saturday 8th June, 2013

4:30pm to 5:00pm (PST)

OSM is commonly used for map tile generation and routing, but much less so with data rasters. Rasterizing OSM data can open up a whole new set of mapping and analytical possibilities using map algebra. Walkshed.js is a project combining OSM data tiles and cost-distance raster calculations to measure pedestrian access for a location. This talk will be a technical dive into creating OSM data tiles and the JavaScript code used to do raster processing in the browser.

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Aaron Ogle

Director of Civic Technology in Philadelphia, JavaScript, GIS guy. Urbanist. @OpenPlans, @CodeforAmerica alum. Tweets mine. bio from Twitter

Next session in Track 1

5pm Pure Vector Pathways for OSM Display by Jacob Beaudoin

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Time 4:30pm5:00pm PST

Date Sat 8th June 2013

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