generateSLD bug

[Yewondwossen Assefa]

I also entered a general bug 1511 
(http://mapserver.gis.umn.edu/bugs/show_bug.cgi?id=1511) that notes you 
examples at the need to review or at least document the limitations.

Later,



Yewondwossen Assefa wrote:
> Hi There,
> 
>  The expression parsor will work if some rules are followed like 
> appropriate brackets and spaces between operator and values. In your 
> case here are the expressions that should give you a valid output:
> 
>   1)  EXPRESSION ([fieldname] > 20 AND [fieldname] <= 40)
>     result : <ogc:Filter><AND> 
> <ogc:PropertyIsGreaterThan><ogc:PropertyName>fieldname</ogc:PropertyName><ogc:Literal>20</ogc:Literal></ogc:PropertyIsGreaterThan> 
> <ogc:PropertyIsLessThanOrEqualTo><ogc:PropertyName>fieldname</ogc:PropertyName><ogc:Literal>40</ogc:Literal></ogc:PropertyIsLessThanOrEqualTo></AND></ogc:Filter> 
> 
> 
> 
> 
>   2)  EXPRESSION ([fieldname] <= 40)
>      result : <ogc:Filter> 
> <ogc:PropertyIsLessThanOrEqualTo><ogc:PropertyName>fieldname</ogc:PropertyName><ogc:Literal>40</ogc:Literal></ogc:PropertyIsLessThanOrEqualTo></ogc:Filter> 
> 
> 
> 
>  Let me know if it works.
> 
> Later,
> 
> Stefanie Weykam wrote:
> 
>> I don't know if this bug has been filed before:
>>
>> generateSLD():
>>
>> Some class expressions are not properly understood and create erroneous
>> filters in XML documents. It seems that not all logical operators are
>> recognised:
>>
>>
>> This expression      fieldname >20 AND fieldname <=40
>>
>> results in   .. PropertyIsGreaterThan ... Literal 20
>> instead of IsBetween
>>
>> and with this expression      fieldname  <=40
>>  the Proterty line is completely missing
>>
>> I have just upgraded from MapServer/MapScript4.4 to 4.6.1 and it is still
>> the same.
>>
> 

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Assefa Yewondwossen
Software Analyst

Email: assefa at dmsolutions.ca
http://www.dmsolutions.ca/

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