Getting the crowd to help
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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

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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


Getting the crowd to help

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


What we need is the crowd

What we need is…The Crowd!


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/


Admin

Admin


Getting the crowd to help

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


3 ok what else

3.Ok, what else?


Recreation facilities

Recreation Facilities?


Recreation facilities1

Recreation Facilities!

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


School footprints

School Footprints?


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/


Anza trail

Anza Trail?


Anza trail1

Anza Trail!


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


Getting the crowd to help

  • Tools can do most anything

  • Is the crowd willing (and able…)?

  • We’re all too busy

  • Make it easy and focused

  • Use flexible tech


Contacts

Contacts

Robert Graham – [email protected]

Larry Orman – [email protected]

GreenInfo – www.greeninfo.org


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