EXPRESSION ([Bev_class]=1)

[Richard Orth - osmoGIS Incorporated]

Have you tried the EXPRESSION as a string?  <>('[Bev_class]'='1')

Richard C Orth

Leopold Schefcik (MULTIMEDIAPLAN.AT) wrote:

>Hi, I'd like to show a layer (polygones) with the population density in 5
>clases
>(in different colors).
>
>I made the map file like in centrope_wms_bevdichte_2.map in the attachement
>is shown. e.g. with this:
>
> 	CLASS							# Low Density
>		MAXSCALE 120000
>		MINSCALE 500
>		EXPRESSION ([Bev_class]=1)  #if it is a string ('[FIELD]'='value')
>		SYMBOL 1
>		COLOR 248 147 147
>		SIZE 1
>	END
>
>	CLASS							# High Density
>		MAXSCALE 120000
>		MINSCALE 500
>		EXPRESSION ([Bev_class]=2)
>		SYMBOL 1
>		COLOR 249 36 36
>		SIZE 1
>	END
>
>But I only get this message (when I am using a relativ SHAPEPATH):
>	msDrawMap():Failed to draw layer named `Bev_Density'.
>or no message and no layer with an absolute SHAPEPATH.
>
>
>Someone has an idea about this?
>
>Best regarts
>Leopold
>
>
>
>CapabilitiesRequest:
>http://213.47.127.15:8081/cgi-bin/mapserv.exe?MAP=/ms4w/apps/maplab-2.2/tuto
>rial/centrope_wms_bevdichte_2.map&SERVICE=wms&VERSION=1.1.1&REQUEST=GetCapab
>ilities
>
>
>
>
>-----Ursprüngliche Nachricht-----
>Von: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU]Im
>Auftrag von Michael Schulz
>Gesendet: Dienstag, 30. August 2005 13:40
>An: MAPSERVER-USERS at LISTS.UMN.EDU
>Betreff: Re: [UMN_MAPSERVER-USERS] 3 little Questions
>
>
>Hi Leopold,
>
>Q1: you will need to use a style that uses a vector symbol, e.g.
>
>SYMBOL
>   NAME "circle"
>   TYPE ellipse
>   FILLED true
>   POINTS
>     1 1
>   END
>END
>
>then you can use the SIZE parameter in the mapfile on that symbol.
>
>Q2: Are you sre mapserver finds your shapefile in ./data? Did you try to
>use an absolute path to your data directory?
>
>Q3: Not sure, but did you try using a 24-bit output format, e.g. png24 ?
>
>Cheers, Michael
>
>
>
>Leopold Schefcik (MULTIMEDIAPLAN.AT) schrieb:
>  
>
>>Hi list,
>>
>>Question 1 (of 3):
>>maybe a simple question: How in general can I change the width of a
>>line(vectordata)?
>>
>>Maybe not with 'SIZE' because regardless of which SIZE 1 or SIZE 50 or
>>    
>>
>SIZE
>  
>
>>100 there is allways a fine line.
>>
>>CLASS
>>      NAME "XC_Rivers"
>>      STYLE
>>        SYMBOL 0
>>        COLOR 72 0 254
>>        SIZE 100
>>        MINSIZE 1
>>        MAXSIZE 100
>>      END
>>    END
>>
>>---------------------------------------
>>Question 2 (of 3):
>>I'd like to show a layer (polygones) with the population density in 5
>>    
>>
>clases
>  
>
>>(in different colors).
>>
>>I made the map file like in centrope_wms_bevdichte_2.map in the
>>    
>>
>attachement
>  
>
>>is shown. e.g. with this:
>>
>>CLASS							# Low Density
>>			MAXSCALE 120000
>>			MINSCALE 500
>>			EXPRESSION ([Bev_class]=1)  #if it is a string ('[FIELD]'='value')
>>			SYMBOL 1
>>			COLOR 248 147 147
>>			SIZE 1
>>		END
>>
>>		CLASS							# High Density
>>			MAXSCALE 120000
>>			MINSCALE 500
>>			EXPRESSION ([Bev_class]=2)
>>			SYMBOL 1
>>			COLOR 249 36 36
>>			SIZE 1
>>		END
>>
>>But I only get this message:
>>	msDrawMap():Failed to draw layer named `Bev_Density'.
>>
>>Someone has an idea about this?
>>--------------------------------------------
>>
>>Question 3 (of 3):
>>I have a satellite tif for my background. It is in color. But in my client
>>it is only shown in black and white.
>>
>>Do I have to change some command line here?
>>(map file for satellite picture is also in attachement:
>>centrope_wms_sat.map)
>>
>>---------------------------------------------
>>
>>Thanks a lot for everybody, who is trying to help me here a little bit.
>>
>>Best regards,
>>Leopold
>>
>>
>>
>>
>>    
>>
>
>
>--
>-----------------------------------------------------------
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>
>in medias res  Gesellschaft für Informationstechnologie mbH
>
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>79108 Freiburg                      Fax +49 (0)761 556959-6
>
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>  
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