I am using version 4.8.3 of MapServer's CGI program.  I wish to change the DATA object in a map file on the fly (via _javascript_).  I am able to change objects like MINSCALE, MAXSCALE, TYPE, etc. with the syntax &MAP_layername_object=myvalue.  However I cannot change the DATA object and am not sure why.  Please let me know your thoughts.

 

 

Jason Sievers

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