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Getting the Crowd to Help. How We Built a Mapwiki in Open Source. I nformation and mapping in the public interest www.greeninfo.org. About Us. Larry Orman , Executive Director Robert Graham , Web GIS Developer GreenInfo Network

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Getting the crowd to help

Getting the Crowd to Help

How We Built a Mapwiki in Open Source

Information and mapping

in the public interest

www.greeninfo.org


About us
About Us

Larry Orman, Executive Director

Robert Graham, Web GIS Developer

GreenInfo Network

nonprofit 16 years geospatial tech 12 staff

Information and mapping

in the public interest

www.greeninfo.org


1 it started with a problem
1.It started with a problem


California’s Parks/Open Space

900 agencies/organizations

49,000,000 acres

16,000 units

55,000 holdings

~1.5 FTE . . .


Options
Options?

  • Call everyone up and ask for data

  • Hand out paper maps to draw on

  • Isn’t there an app for that? Use phones and go out

  • Just buy the data



2 l et s build it ourselves
2.Let’s build it ourselves!


The recipe
The Recipe

Sequence the user steps

Choose data to review

Actions = Notes, Drawings, Edits, Uploads

See everyone’s stuff, too

. . . badabing,

bada boom


Mapcollaborator
MapCollaborator™

http://websites.greeninfo.org/mapcollaborator/cpad/




3 ok what else
3.Ok, what else?



Recreation facilities1
Recreation Facilities!

http://www.mapsportal.org/mapcollab_facilities/



School footprints1
School Footprints?

  • Megan’s Law – 2,000’

  • Tobacco, beverage regulations – 1-2,000’?

  • Probation tracking

  • Safe routes to school planning

  • Etc…


School footprints2
School Footprints!

http://www.mapsportal.org/mapcollab_schools/




This can all be yours
This can all be yours!

Easily adaptable

Core function set

But don’t over do it

(It’s not GIS. . . it supports GIS)


4 get outta the way i want to do it
4.Get outta the way, I want to do it!


The tools you need
The Tools You Need

  • Online spatial database (PostGIS)

  • Map engine (OpenLayers)

  • Map/Data services (MapServer, TileCache, OGR)

  • Web framework (CodeIgniter)

  • Web server stack (Linux/Apache/PHP)

Web Pages

(HTML/JQuery)

Forms

PHP/CI

PostGIS DB

OL Map

OGR

MapServer/TileCache


Data actions
Data Actions

  • Get - features (WFS, GeoJSON), Images (WMS, Tiles)

  • Create/Edit - OL features

  • Post - geometry (text), attributes (forms)

Admin

GeoJSON

PHP/

CI/JQuery

PHP/

CI

WFS

WMS

Map

TileCache

MapServer

Users

PHP/

CI

JS/

JQuery

Database

OGR

Forms

PHP/

CI


More tools
More Tools

  • Admin - DataTables.js

  • Exports - PHPExcel, Wkhtml2pdf, pgsql2shp


Directions to watch for
Directions to watch for

  • CartoDB

  • Google MapMaker/Fusion Tables

  • Ushahidi

  • GeoDjango

  • UTF Grids



Contacts
Contacts

Robert Graham – [email protected]

Larry Orman – [email protected]

GreenInfo – www.greeninfo.org


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