Paul, 
 
I would guess that this really is about the client-side map interface and not 
about MapServer.  Does your interface only allow them to click/select the 
topmost layer?  Do you pick which layer is selectable?  Do you let them pick 
which layer is selectable?  Is it random?  
 
Tells us more about the client-side app.
 
David.

        -----Original Message-----
        From: [email protected] 
[mailto:[email protected]] On Behalf Of Paul james
        Sent: Wednesday, May 20, 2009 7:55 AM
        To: [email protected]
        Subject: Re: [mapserver-users] Get the nearest layer with mapscript...
        
        
        Thanks Pano...
        But It´s not that simple...
        What I need is figure out what LAYER was clicked... 
        
        Paul
        
        
        On Wed, May 20, 2009 at 6:43 AM, Pano Voudouris 
<[email protected]> wrote:
        

                Probably don't understand what exactly you are trying to 
achieve here but it is not as simple as map.getLayer(0) to get the topmost 
layer? And once you have the layer object use one of the query function to 
select the record? E.g.  myLayerObj.queryByPoint ?

                 

                Pano

                 

                From: [email protected] 
[mailto:[email protected]] On Behalf Of Paul james
                Sent: 19 May 2009 21:46
                To: [email protected]
                Subject: [mapserver-users] Get the nearest layer with 
mapscript...

                 

                Hello guys...
                I have several layers (lines, points, poly) ...
                I´m developing a measure tool... User can click on map and I 
have to select that layer to calculate de Area with postgis...
                
                

                I´m trying to do that WITHOUT using "LAYER ACTIVE SYSTEM"...
                
                

                Is That possible using mapscript? How Can I find the nearest 
and toppest layer ?
                
                Thanks!
                
                Paul


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