[Mapserver-users] Different colors in different layers

Fri Jul 2 08:23:15 EDT 2004

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Oh thanks that looks fine... 

and... how about do it dinamically (i think it's said "on the fly"), I mean,
I have the color I need on a database field... how can I assign the "divi"
to his color at runtime.

Javier C.

-----Mensaje original-----
De: Stephen Woodbridge [mailto:woodbri at swoodbridge.com]
Enviado el: viernes, 02 de julio de 2004 14:14
Para: Javier Castillejo Montes
CC: Mapserver-users at lists.gis.umn.edu
Asunto: Re: [Mapserver-users] Different colors in different layers

Javier Castillejo Montes wrote:

> Hi!
>  
> First of all  Im very bad english writer (its not my language so please
> forgive my mistakes
>  
> and im really new at mapserver
>  
> I'll try to make myself clear
>  
> I have differents layers and one of then is a layer a field , this field
has
> various divisions(layer 1)  and inside each division(divi A) there is one
> more division (layer 1) (divi AA,AB,AC). Can anybody tell me how can I put
a
> different color for each diviA and a different color for divi   AA,AB,AC

Javier,

You will need to know what all the possible divi are then you can try 
something like the following:

LAYER
   NAME "your_layer"
   CLASSEXPRESSION "divi"  # set the attribute field name here
   DATA ...
   CLASS
     EXPRESSION "A"
     STYLE
       COLOR 255 0 0  # red
     END
   END
   CLASS
     EXPRESSION "AA"
     STYLE
       COLOR 0 255 0  # green
     END
   END
   ...
END

You will have to add the other stuff you need in the layers, classes and 
styles to make them complete, but this should give you the idea of how 
to do it.

EXPRESSION /^A/   # will select all "divi" starting with "A..."
EXPRESSION /^A|^B/ # will select all "divi" starting with "A..." or "B..."

-Steve W.

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Oh thanks that looks fine...

and... how about do it dinamically (i think it's said =
&quot;on the fly&quot;), I mean, I have the color I need on a database =
field... how can I assign the &quot;divi&quot; to his color at =
runtime.

<P><FONT SIZE=3D2>Javier C.</FONT>
</P>
<BR>

<P><FONT SIZE=3D2>-----Mensaje original-----</FONT>
<BR><FONT SIZE=3D2>De: Stephen Woodbridge [<A =
HREF=3D"mailto:woodbri at swoodbridge.com">mailto:woodbri at swoodbridge.com</=
A>]</FONT>
<BR><FONT SIZE=3D2>Enviado el: viernes, 02 de julio de 2004 =
14:14</FONT>
<BR><FONT SIZE=3D2>Para: Javier Castillejo Montes</FONT>
<BR><FONT SIZE=3D2>CC: Mapserver-users at lists.gis.umn.edu</FONT>
<BR><FONT SIZE=3D2>Asunto: Re: [Mapserver-users] Different colors in =
different layers</FONT>
</P>
<BR>

<P><FONT SIZE=3D2>Javier Castillejo Montes wrote:</FONT>
</P>

&gt; Hi!
 &gt;&nbsp; 
 &gt; First of all&nbsp; Im very bad english writer =
(its not my language so please
 &gt; forgive my mistakes
 &gt;&nbsp; 
 &gt; and im really new at mapserver
 &gt;&nbsp; 
 &gt; I'll try to make myself clear
 &gt;&nbsp; 
 &gt; I have differents layers and one of then is a =
layer a field , this field has
 &gt; various divisions(layer 1)&nbsp; and inside =
each division(divi A) there is one
 &gt; more division (layer 1) (divi AA,AB,AC). Can =
anybody tell me how can I put a
 &gt; different color for each diviA and a different =
color for divi&nbsp;&nbsp; AA,AB,AC

<P><FONT SIZE=3D2>Javier,</FONT>
</P>

<P><FONT SIZE=3D2>You will need to know what all the possible divi are =
then you can try </FONT>
<BR><FONT SIZE=3D2>something like the following:</FONT>
</P>

<P><FONT SIZE=3D2>LAYER</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp; NAME &quot;your_layer&quot;</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp; CLASSEXPRESSION &quot;divi&quot;&nbsp; =
# set the attribute field name here</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp; DATA ...</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp; CLASS</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp;&nbsp;&nbsp; EXPRESSION =
&quot;A&quot;</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp;&nbsp;&nbsp; STYLE</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; COLOR 255 0 =
0&nbsp; # red</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp;&nbsp;&nbsp; END</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp; END</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp; CLASS</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp;&nbsp;&nbsp; EXPRESSION =
&quot;AA&quot;</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp;&nbsp;&nbsp; STYLE</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; COLOR 0 255 =
0&nbsp; # green</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp;&nbsp;&nbsp; END</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp; END</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp; ...</FONT>
<BR><FONT SIZE=3D2>END</FONT>
</P>

<P><FONT SIZE=3D2>You will have to add the other stuff you need in the =
layers, classes and </FONT>
<BR><FONT SIZE=3D2>styles to make them complete, but this should give =
you the idea of how </FONT>
<BR><FONT SIZE=3D2>to do it.</FONT>
</P>

<P><FONT SIZE=3D2>EXPRESSION /^A/&nbsp;&nbsp; # will select all =
&quot;divi&quot; starting with &quot;A...&quot;</FONT>
<BR><FONT SIZE=3D2>EXPRESSION /^A|^B/ # will select all =
&quot;divi&quot; starting with &quot;A...&quot; or =
&quot;B...&quot;</FONT>
</P>

<P><FONT SIZE=3D2>-Steve W.</FONT>
</P>

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