15. ExtJS
● Javascript API
● Dual-license
● Developed and Supported by Sencha
● Big user community
● For building Rich Web Applications
● Rich UI interfaces
16. 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
19. GeoExt
● 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
20. GeoExt
● Map in windows, panels and tabs
● TOC in a tree
● Map controls in toolbars
● Feature information in forms, tables
● Legend Panel
● Scale Combobox
26. 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???