Open Source WebMapping

Architecture

Architecture

Architecture

Compliance with Standards

OSGeo Certified/Incubation

Available resourcesDocumentation

Examples

Articles

Use cases

Community activity

Personal Preferences

Architecture

Architecture

Architecture

Javascript API

Supports OGC Standards

OSGeo Project

Big user and developer community

OpenLayers

Lots of formats (WMS, WFS, GML, SLD, )

Several map controls (Zoom, pan, TOC, Scale, )

Spatial editing

Interaction with 3rd party services (OSM, Google, Yahoo, Bing Maps, Geonames, )

Easy to Learn

Nice and useful example galley

OpenLayers

USE THE SOURCE

MAP

OpenLayers

LAYERS

OpenLayers

LAYERS

OpenLayers

CONTROLS

OpenLayers

CONTROLS

OpenLayers

Javascript API

Dual-license

Developed and Supported by Sencha

Big user community

For building Rich Web Applications

Rich UI interfaces

ExtJS

Lots of fields: numeric, text, date, checbox & groups, combobox, fielsets,

Forms and Tables

Windows, Panels, Tabs and Trees

Animations

Dynamic Charting

Supports XML, JSON

ExtJS

FORMS & FIELDS

ExtJS

WINDOWS, TABS, TABLES, TREE

ExtJS

OpenLayers is good for maps, though it has few and limited UI components

ExtJS has lots of UI components and functionality but mapping is lacking

GeoExt brings both together to allow easy building of Spatial RIA

GeoExt

Map in windows, panels and tabs

TOC in a tree

Map controls in toolbars

Feature information in forms, tables

Legend Panel

Scale Combobox

GeoExt

MAP IN WINDOW

GeoExt

FEATURES AND TABLES

GeoExt

SCALE COMBOBOX AND LAYER TREE

GeoExt

Spatial RIA

Spatial RIA

Conclusions

Big diversity of Open Source software

Big modularity is an healthy advantage

Powerful frameworks available

It's fun and easy to learn

The big question is:

CAN YOU DO IT???