@morganherlocker

github, twitter, etc.

http://turfjs.org/

Turf is GIS for the Web

Turf manipulates map data

and the results can be displayed anywhere

• mapbox.js
• leaflet
• d3
• mapbox studio
• ArcGIS Desktop
• qgis
• etc

flexible

• open
• modular
• runs everywhere

everywhere?

• "the cloud"
• browsers
• your laptop

these slides

GeoJSON

GeoJSON is like emojis for geo data

♥‿♥

what can it do?

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 turf-line-distance turf-line-slice turf-along turf-meta turf-point-on-line

realtime walkability analysis

scaling the analysis up with node.js

automate processing so you can spend your time thinking not clicking

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

@morganherlocker

---

morgan@mapbox.com