SV: [mapserver-users] Classitems selection

[Steve Lime]

In that case you could use a regex for the classes with multiple
matches. (E.g. EXPRESSION /cherry|mango|lime/) Performance
penalty is not as large as for logical expressions and this is probably
faster than maintaining list.

Steve

>>> On 8/13/2009 at 8:50 AM, in message
<2349CC72A0B01C4FAA4FFAE6C735E1DDE291F2 at enerasrv01.Enera.local>, "Lars
Westerlind" <lars.westerlind at enera.se> wrote:
> AFAIK currently I write 
> 
>  
> 
> CLASSITEM "flavor"
> 
> ...
> 
> EXPRESSION "cherry"
> 
>  
> 
>  
> 
> Suggested extension would be to allow for
> 
>  
> 
> CLASSITEM 
> 
> ...
> 
> EXPRESSION "cherry","mango","lime"
> 
>  
> 
> But really, syntax is not my concern. A could very well use
expressions, but 
> the documentation says they are not good for performance. And my
first 
> question is if I've missed something? 
> 
>  
> 
> ________________________________
> 
> Från: Fawcett, David [mailto:David.Fawcett at state.mn.us] 
> Skickat: 13 August 2009 15:39
> Till: Lars Westerlind; mapserver-users at lists.osgeo.org 
> Ämne: RE: [mapserver-users] Classitems selection
> 
>  
> 
> Do you mean something like ('[flavor]' IN ('cherry', 'mango',
'lime')?  
> 
> 	-----Original Message-----
> 	From: mapserver-users-bounces at lists.osgeo.org 
> [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Lars 
> Westerlind
> 	Sent: Thursday, August 13, 2009 2:39 AM
> 	To: mapserver-users at lists.osgeo.org 
> 	Subject: [mapserver-users] Classitems selection
> 
> 	I use the CLASSITEM - EXPRESSION with string expression rather
much, which is 
> also recommended for performance. But sometimes I have a few values
that 
> could be shown in the same class. Wouldn't it be a nice idea to allow
for a 
> commaseparated set/list of strings to match? 
> 
> 	 
> 
>