[OpenLayers-Users] difference between OpenLayers.Layer.WMS and OpenLayers.Layer.MapServer?

Guillaume Sueur no-reply at neogeo-online.net
Wed Mar 18 09:38:15 EDT 2009


Sure ! I don't even remember having written that, but actually I think I
messed up things between TileCache and OpenLayers as I was having a
similar discussion about TileCache WMS and MapServer services !
You are completely right on performance issues.

Regards,

Guillaume

Paul Spencer a écrit :
> I disagree that WMS is more performant, secure and robust than the
> mapserv CGI.  In fact, WMS is less performant due to some outstanding
> performance issues with the PROJ library and EPSG code lookups (see
> http://blog.cleverelephant.ca/2009/03/sprint-day-3.html for some details
> on upcoming changes that might eliminate this particular problem).
> 
> Can you explain why you think there is more inherent security and
> robustness in WMS vs CGI?
> 
> Paul
> 
> On 13-Mar-09, at 3:25 AM, Guillaume Sueur wrote:
> 
>> Hi,
>>
>> The first one uses WMS and the second one is directly hitting the
>> mapfile. For performance, security, robustness and so I would suggest to
>> use WMS, but if you don't care about all these (and you can) just use
>> .MapServer and use it like your old cgi buddy !
>>
>> Regards
>>
>> Guillaume
>>
>> MeLv1n wAuRaN a écrit :
>>> hi all,
>>>
>>> what's the difference between OpenLayers.Layer.WMS and
>>> OpenLayers.Layer.MapServer? i'm using a mapserver cgi to render my
>>> mapfile. so, which one should i use? the wms or the mapserver?
>>>
>>>
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> 
> 
> 



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