@morganherlocker

github, twitter, etc.

http://turfjs.org/

turf is a modular geo engine

turf is like maps minus the maps

(but you can put the results on a map)

• mapbox.js
• leaflet
• d3
• etc

flexible

• open
• modular
• runs everywhere

geojson

geojson is like emojis for geo data

♥‿♥

what can it do?

buffers

turf.buffer(point, 1, 'mile')

smoothing

bezier(line, 5000, .85)

meshes

turf.tin(points, z)

contours

isolines(points, z, resolution, breaks)

aggregation

lots of other stuff

turf-isobands turf-average turf-bboxPolygon turf-bearing turf-bezier turf-buffer turf-center turf-centroid turf-combine turf-concave turf-convex turf-count turf-destination turf-deviation turf-distance turf-envelope turf-erase turf-explode turf-extent turf-featurecollection turf-filter turf-flip turf-grid turf-hex turf-inside turf-intersect turf-isClockwise turf-aggregate turf-isolines turf-jenks turf-kinks turf-linestring turf-max turf-median turf-merge turf-midpoint turf-min turf-nearest turf-planepoint turf-point-on-surface turf-point turf-polygon turf-quantile turf-reclass turf-remove turf-sample turf-simplify turf-size turf-square turf-sum turf-tag turf-tin turf-union turf-variance turf-within

will it scale?

yes

(w/ tricks)

realtime walkability analysis

scaling the analysis up with node.js

Contributors
morganherlocker tmcw atdrago chelm jvrousseau GarethShapiro DanHanf jseppi justincy wilsaj djdmbrwsk lyzidiamond zdavkeos

@morganherlocker

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morganherlocker.com

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morgan@mapbox.com