Nodejs and CouchDB: The new Geo data toolset

An overview of the tools for using the geospatial functions of CouchDB along with Nodejs to create an app that handles geo data.

Transcript

1. CouchDB and Nodejs The new GeoData tool set Mick Thompson @dthompson FOSS4G 2011
2. CouchDB Apache Project Couchbase Hosted
3. CouchDB Document store JSON over HTTP MapReduce in Javascript Views based on B-tree
4. GeoCouch R-tree Spatial views GeoJSON
5. GeoCouch How to get it on github - build Couchbase Iris Couch
6. Nodejs Javascript Server-side Asynchronous
7. Nodejs Features non-blocking javascript built with the web in mind
8. Geo in Nodejs node-geos geohash geocoder mapnik postgresql
9. Mapchat mapchat.im github.com/dthompson/mapchat
10. Hello world of node
11. GeoTrack iPhone app that tracks location POST to nodejs http server Save to CouchDB Broadcast to subscribed clients
12. iOS Dont judge my iOS code :)
13. iOS Core Location Background Location Geofencing, significant change
14. Socket.io websockets with failback - flash socket - xhr long polling
15. Socket.io
16. Express light web framework adds functionality to httpserver
17. Express
18. Nodejs -> CouchDB HTTP - request Cradle -simple -caching
19. Cradle
20. geocouch-utils common spatial views - data formats - radius queries - proximity clustering https:/ /github.com/vmx/geocouch-utils
21. Design docs Controls view & list functions Yet another JSON doc
22. Design Docs
23. Couchapp command line deploy design documents
24. Couchapp
25. Couchapp http:/ /couchapp.org
26. Node.CouchApp.js https:/ /github.com/mikeal/node.couchapp.js Fewer files, define multiple views in 1 .js Node.js sync
27. Spatial Views
28. Spatial View /geotrack/_design/gc-utils/_spatial/geoms? bbox=-180,-90,180,90
29. Spatial View *Cradle doesn’t yet support this
30. Bounding Box
31. Location update
32. Geotrack http:/ /geotrack.mapchat.im http:/ /github.com/dthompson/geotrack
33. Thanks Mick Thompson dthompson@gmail.com @dthompson github.com/dthompson