server-side SLD support

Bart van den Eijnden (OSGIS) bartvde at OSGIS.NL
Wed Nov 1 13:11:15 EST 2006


Tom, yes both an URL and a filepath would be possibilities.

Best regards,
Bart

Kralidis,Tom [Burlington] schreef:
>> Hi list,
>>
>> I am talking to Assefa about getting Mapserver to support SLD 
>> documents server-side, and he said it might be good to start 
>> some discussion on the dev list. Quite some Web Map Services 
>> have this capability (Geoserver, Ionic), and it will make 
>> exchanging configuration between those environments and 
>> Mapserver easier.
>>
>>     
>
> This is great news.  I believe the CubeWerx software would also benefit
> from this.
>  
>   
>> Note:
>>
>> * most the code is already in place
>> * Mapserver does support SLD in its WMS client
>>
>> Our plan is to add server-side SLD support to Mapserver WMS. 
>> This would involve adding a new keyword, for instance 
>> STYLEDLAYERDESCRIPTOR. It will add classes from the SLD 
>> document (matching the layer's name) to the LAYER.
>>
>> Example:
>>
>> LAYER
>>   NAME "test"
>>   ..
>>   CLASS
>>     NAME "myfirstclass"
>>     .. 
>>   END
>>   STYLEDLAYERDESCRIPTOR "/data/geoservices/nis/sld/nis/nis.sld"
>>     
>
> Can this be a URL as well as a filepath?
>
>   
>>   CLASS
>>     NAME "mylastclass"
>>     ..
>>   END
>>   ..
>> END
>>
>> If the LAYER already has classes, the classes will be 
>> inserted/added depending on the sequence of the keywords. So 
>> in the above example the classes generated from the SLD will 
>> be appended after "myfirstclass" but inserted before "mylastclass".
>>
>> Are there any objections against this? Or thoughts/concerns?
>>
>> Thanks in advance.
>>
>> Best regards,
>> Bart
>>
>> --
>> Bart van den Eijnden
>> OSGIS, Open Source GIS
>> http://www.osgis.nl
>>
>>     
>
>
>   


-- 
Bart van den Eijnden
OSGIS, Open Source GIS
bartvde at osgis.nl
http://www.osgis.nl



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