Spatial Analysis – in the Developing World

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Spatial Analysis – in the Developing World

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walkshed-slides

Presentation slides for State of the Map US 2016

On Github phoebe108 / walkshed-slides

Spatial Analysis

in the Developing World

Measuring Access with

OpenStreetMap & OpenTripPlanner

Spatial Analysis

in the Developing World

Measuring Access with

OpenStreetMap & OpenTripPlanner

Distance from Financial Point to OSM Road, Kenya

# Financial Points

Distance to Nearest Road

Brandon Martin-Anderson's Growing Shortest Path Tree of Seattle

Offsite ATMs, Uganda

Polygon Unit Pop within Access Buffer 5 km 6,406,973 Isochrone 1 hour 4,502,957*

*2 out of 242 Offsite ATMs were too far from a road to use in Isochrone analysis.

*62 out of 1,254 Commercial Banks were too far from a road to use in Isochrone analysis.

// Edges will only be found if they are closer than this distance
public static final double MAX_DISTANCE_FROM_STREET_METERS = 1000;

private static final double MAX_DISTANCE_FROM_STREET_DEGREES =
MAX_DISTANCE_FROM_STREET_METERS * 180 / Math.PI
/ SphericalDistanceLibrary.RADIUS_OF_EARTH_IN_M;

Useful Resources

http://docs.opentripplanner.org/en/latest/ http://conveyal.com/blog/2012/07/02/analyst http://www.gatesfoundation.org/What-We-Do/Global-Development/Financial-Services-for-the-Poor http://news.spatialdev.com/walksheds-tool/

Phoebe Merritt pmerritt@spatialdev.com