EXPRESSION ([Bev_class]=1)

[Leopold Schefcik (MULTIMEDIAPLAN.AT)]

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

In den Weihermatten 66              Tel +49 (0)761 556959-5
79108 Freiburg                      Fax +49 (0)761 556959-6

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-----------------------------------------------------------
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