Alberto Romeu
Engineering, data, maps and emojis at www.carto.com
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, ...
Developing with geoext
By Alberto Romeu
Developing with geoext
Open Source Opportunities in GIS Summer School, Open Web Services and Web Map Applications.
