[mapserver-users] Zoom Level Layer Changes

Julien-Samuel Lacroix jlacroix at mapgears.com
Thu Jun 4 07:03:49 PDT 2009


If you are not using MapScript, I think the easiest way is to add a 
second coverage layer that is OFF by default and put a MINSCALE 1200000 
in the first Coverage layer.

Julien

Nolte, Tim wrote:
> OK, wondering if anyone has encountered this situation, and what I'm
> trying to accomplish. I have two groups of layers "Propagations" and
> "Coverage". The "Coverage" layers are on by default when first viewing
> the initial extents, the "Propagations" layers are off by default. The
> "Propagations" layers have a min/max scale of:
> 
> 	MINSCALE 0
> 	MAXSCALE 1200000
> 
> The "Coverage" layers can be on at any scale. Now here is what I want to
> accomplish. When the users first loads the map I still want the
> "Coverage" layers to be ON and when the user zooms to a scale of 1200000
> or below I want the "Coverage" layers turned off and the "Propagations"
> layers turned on. Now here's the catch, I still want the user to be able
> to turn the "Coverage" layers back on at a scale of 1200000 or less. I
> tried adding a "STATUS" option at the CLASS level which didn't really
> work. I'm not sure if the only way to accomplish something like this is
> with duplicating the layer definitions with different scales and status?
> 
> - Tim
> 
> ----
> Timothy J Nolte - tnolte at ilpcs.com
> Network Planning Engineer
> 
> iPCS Wireless, Inc.
> 4717 Broadmoor Ave, Suite G
> Kentwood, MI 49512
> 
> Office: 616-656-5163
> PCS:    616-706-2438
> Fax:    616-554-6484
> Web: www.ipcswirelessinc.com
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> 

-- 
Julien-Samuel Lacroix
Mapgears
http://www.mapgears.com/



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