[OpenLayers-Users] Styling a feature with multiple attributes using SLD

[George Mu'ammar]

This is a common problem on most GIS systems - solution is to add your  
layer twice (you will have to deal with the layer switcher then).
Regards
-- 
George Mu'ammar


Quoting Zer <hcan at hotmail.com>:

>
> Hi all,
>
> I have a vector layer with features with attributes. I would like to use two
> of  these attributes to style the features. One attribute is a code that
> have values between 1-10. The other attribute is a boolean (isMarked). I
> would like to change the fill property (gradient colours) of the attribute
> depending on the code and add a red stroke to the attribute if the isMarked
> == 1. The users select which option to theme by selection two check boxes. I
> have been successful doing this with an SLD.XML file and it works fine if i
> select one of these options at a time. However, when i try to combine these
> attributes i can not get it to work. I would like to both add the gradient
> colours AND the red stroke option if isMarked == 1, otherwise only the fill
> gradient colours . Does anyone know how to write such a filter? Or is there
> another way to make this happen?
>
> This is the rules i have uses so far:
>
> ** This works if I select the code check box only **
> <sld:Rule>
> 	<sld:Name>Code</sld:Name>
> 	<ogc:Filter>
> 		<ogc:PropertyIsEqualTo>
> 			<ogc:PropertyName>code</ogc:PropertyName>
> 			<ogc:Literal>2</ogc:Literal>
> 		</ogc:PropertyIsEqualTo>
> 	</ogc:Filter>
> 	<sld:PolygonSymbolizer>
> 		<sld:Fill>
> 			<sld:CssParameter name="fill">
> 				<ogc:Literal>#00FFFF</ogc:Literal>
> 			</sld:CssParameter>
> 			<sld:CssParameter name="stroke">
> 				<ogc:Literal>white</ogc:Literal>
> 			</sld:CssParameter>
> 		</sld:Fill>
> 	</sld:PolygonSymbolizer>
> </sld:Rule>
>
> ** This works if I select the isMarked check box only **
> <sld:Rule>
> 	<sld:Name>Code and Is_Marked</sld:Name>
> 	<ogc:Filter>
> 		<ogc:PropertyIsEqualTo>
> 			<ogc:PropertyName>isMarked</ogc:PropertyName>
> 			<ogc:Literal>1</ogc:Literal>
> 		</ogc:PropertyIsEqualTo>
> 	</ogc:Filter>
> 	<sld:PolygonSymbolizer>
> 		<sld:Fill>
> 			<sld:CssParameter name="fill">
> 				<ogc:Literal>white</ogc:Literal>
> 			</sld:CssParameter>
> 			<sld:CssParameter name="stroke">
> 				<ogc:Literal>red</ogc:Literal>
> 			</sld:CssParameter>
> 		</sld:Fill>
> 	</sld:PolygonSymbolizer>
> </sld:Rule>
>
> ** This does not work if I select BOTHE check boxes. **
> <sld:Rule>
> 	<sld:Name>Is_Marked and Code</sld:Name>
> 	<ogc:Filter>
>         		<ogc:And>
> 			<ogc:PropertyIsEqualTo>
> 				<ogc:PropertyName>isMarked</ogc:PropertyName>
> 				<ogc:Literal>1</ogc:Literal>
> 			</ogc:PropertyIsEqualTo>
> 			<ogc:PropertyIsEqualTo>
> 				<ogc:PropertyName>code</ogc:PropertyName>
> 				<ogc:Literal>2</ogc:Literal>
> 			</ogc:PropertyIsEqualTo>
> 		</ogc:And>
> 	</ogc:Filter>
> 	<sld:PolygonSymbolizer>
> 		<sld:Fill>
> 			<sld:CssParameter name="fill">
> 				<ogc:Literal>#00FFFF</ogc:Literal>
> 			</sld:CssParameter>
> 			<sld:CssParameter name="stroke">
> 				<ogc:Literal>red</ogc:Literal>
> 			</sld:CssParameter>
> 		</sld:Fill>
> 	</sld:PolygonSymbolizer>
> </sld:Rule>
>
>
> --
> View this message in context:   
> http://www.nabble.com/Styling-a-feature-with-multiple-attributes-using-SLD-tp19165654p19165654.html
> Sent from the OpenLayers Users mailing list archive at Nabble.com.
>
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