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Core Concepts
=============

:doc:`ext-primer`
=================

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   ext-primer

Pointers on getting started with ExtJS with an emphasis on important concepts in GeoExt derived from ExtJS. 

- :ref:`ext-basic-layout` (put panels in a viewport)
- :ref:`ext-trees` 
- :ref:`ext-grid-store`  (records from reader)
- :ref:`ext-events` in Ext from a GeoExt perspective

:doc:`openlayers-primer`
========================

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   openlayers-primer

Essential OpenLayers concepts for working with GeoExt.