Developing with geoext
Alberto Romeu -
@alrocar
Jorge Sanz - @xurxosanz
What is GEOEXT?
"a JavaScript toolkit for Rich Web Mapping Applications"
Where in the stack?
Why geoext?
WHY GEOEXT?
1
From web pages to WEB APPLICATIONS
WHY GEOEXT?
2
RICH UI components
WHY GEOEXT?
3
FREE - BSD License
WHY GEOEXT?
4
EASY to create complex web mapping applications
the concept
THE CONCEPT
1
ExtJS + OpenLayers
UI
+
MAP
THE CONCEPT
2
WRAPS OpenLayers
objects in Ext data components
THE CONCEPT
3
CONFIGURATION over programming
THE CONCEPT
4
Components REUSE
WHEN (who) TO USE?
WHEN TO USE?
1
web GIS applications
WHEN TO USE?
2
RICH UI components (DESKTOP style)
WHEN TO USE?
3
Strong use of OGC services
WHO TO USE?
4
BEGINNERS
confused by HTML/CSS
an example
Creating a map
Learning resources
LEARNING RESOURCES
1
Learn by
EXAMPLE
LEARNING RESOURCES
2
Browse the
DOCUMENTATION
LEARNING RESOURCES
3
API
reference
LEARNING RESOURCES
4
Join the
COMMUNITY
geoext lab
Creating a
WMS Viewer
GEOEXT LAB
1
The MAP Panel
GEOEXT LAB
2
The LAYER tree
GEOEXT LAB
3
The LEGEND panel
GEOEXT LAB
4
STORES
Layer store
WMSCapabilities store
WFSCapabilities store
Feature storeGEOEXT LAB
5
... and MORE
Opacity slider, popup, printing, feature renderers, style reader, toolbars, actions, ...