[Chameleon] How to use ExpressionBuilder?

Julien-Samuel Lacroix jlacroix at mapgears.com
Mon Apr 3 10:52:14 EDT 2006

To use this widget, you wll have to select a layer in the legend. Simply 
click on one of the radio button in the legend.


Pssdal Bakosurtanal wrote:
> Dear expert,
> When I tried to access 
> http://myserver/chameleon/samples/sample_roi.phtml on the chameleon 
> sample. (using chameleon 2.2)
> Everythings is ok until I tried to click on "Build Filter" on the tab 
> tools, the popup error appeared with the message "There is no active 
> layer selected. You must a layer inorder to use this tool". How to to 
> activated the layer? Does anyone success access this sample above?
> If i would like to use expression builder, should I am working with WMS 
> or WFS?
> Thank you for your help.
> Best Regards,
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Julien-Samuel Lacroix

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