[Chameleon] date filter

[Danna Dowdy]

I have found where I can use set FILTER in the map file dynamically 
using a form or a url variable but am still not sure how to get those 
variables passed from chameleon??

Danna Dowdy wrote:

> I am working on a basic mapping application that currently displays 
> data from a spatial database based on variable groupings.  I have 
> individual views set up for each individual layer.  I would like to 
> add a drop down menu somewhere on the interface so that the user could 
> select a year and plot whatever layers are chosen for that particular 
> year.  The date field is in the database.  Could someone point me in 
> the right direction of how to do this?
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