Hi Milo.<br><br>I think your problem is that you have no defined the MAXSCALE of the medium cities. This parameter tell mapserver at wich scale will stop drawing the elements of a layer (MINSCALE is how far in (MAXSCALE how far out) will be drawed the elements).
<br><br>So, i think if you add a MAXSCALE to the medium cities CLASS your problem will be solved:<br><br><div style="margin-left: 40px;"><span style="font-style: italic;">LABELITEM 'City'</span><br style="font-style: italic;">
<span style="font-style: italic;"> CLASSITEM 'City_Population'</span><br style="font-style: italic;"><span style="font-style: italic;"> CLASS</span><br style="font-style: italic;"><span style="font-style: italic;">
<span style="font-weight: bold; color: rgb(255, 0, 0);">MAXSCALE 80000</span></span><br style="font-style: italic;"><span style="font-style: italic;"> NAME '0 < City_Population < 100000'</span><br style="font-style: italic;">
<span style="font-style: italic;"> EXPRESSION ( ([City_Population] >= 0) AND ([City_Population] <= 100000) )</span><br style="font-style: italic;"><span style="font-style: italic;"> STYLE</span><br style="font-style: italic;">
<span style="font-style: italic;"> SYMBOL 'CIRCLE'</span><br style="font-style: italic;"><span style="font-style: italic;"> SIZE 3</span><br style="font-style: italic;"><span style="font-style: italic;">
OUTLINECOLOR 0 0 0</span><br style="font-style: italic;"><span style="font-style: italic;"> COLOR 255 170 0</span><br style="font-style: italic;"><span style="font-style: italic;"> END</span><br style="font-style: italic;">
<span style="font-style: italic;"> LABEL</span><br style="font-style: italic;"><span style="font-style: italic;"> TYPE TRUETYPE</span><br style="font-style: italic;"><span style="font-style: italic;"> FONT Arial
</span><br style="font-style: italic;"><span style="font-style: italic;"> SIZE 8</span><br style="font-style: italic;"><span style="font-style: italic;"> COLOR 255 255 250</span><br style="font-style: italic;"><span style="font-style: italic;">
#OUTLINECOLOR 255 255 255</span><br style="font-style: italic;"><span style="font-style: italic;"> ANTIALIAS TRUE</span><br style="font-style: italic;"><span style="font-style: italic;"> MINFEATURESIZE 500
</span><br style="font-style: italic;"><span style="font-style: italic;"> ANGLE 0</span><br style="font-style: italic;"><span style="font-style: italic;"> FORCE false</span><br style="font-style: italic;"><span style="font-style: italic;">
END</span><br style="font-style: italic;"><span style="font-style: italic;"> END</span><br style="font-style: italic;"><span style="font-style: italic;"> CLASS</span><br style="font-style: italic;"><span style="font-style: italic;">
NAME '100001 < City_Population < 500000'</span><br style="font-style: italic;"><span style="font-style: italic;"> EXPRESSION ( ([City_Population] >= 100001) AND ([City_Population] <= 500000) )
</span><br style="font-style: italic;"><span style="font-style: italic;"> STYLE</span><br style="font-style: italic;"><span style="font-style: italic;"> SYMBOL 'CIRCLE'</span><br style="font-style: italic;">
<span style="font-style: italic;"> SIZE 4</span><br style="font-style: italic;"><span style="font-style: italic;"> OUTLINECOLOR 0 0 0</span><br style="font-style: italic;"><span style="font-style: italic;">
COLOR 255 170 0</span><br style="font-style: italic;"><span style="font-style: italic;"> END</span><br style="font-style: italic;"><span style="font-style: italic;"> LABEL</span><br style="font-style: italic;">
<span style="font-style: italic;"> TYPE TRUETYPE</span><br style="font-style: italic;"><span style="font-style: italic;"> FONT Arial</span><br style="font-style: italic;"><span style="font-style: italic;"> SIZE 10
</span><br style="font-style: italic;"><span style="font-style: italic;"> COLOR 255 255 250</span><br style="font-style: italic;"><span style="font-style: italic;"> #OUTLINECOLOR 255 255 255</span><br style="font-style: italic;">
<span style="font-style: italic;"> ANTIALIAS TRUE</span><br style="font-style: italic;"><span style="font-style: italic;"> MINFEATURESIZE 500</span><br style="font-style: italic;"><span style="font-style: italic;">
ANGLE 0</span><br style="font-style: italic;"><span style="font-style: italic;"> FORCE false</span><br style="font-style: italic;"><span style="font-style: italic;"> END</span><br style="font-style: italic;">
<span style="font-style: italic;"> END</span><br></div><br>The MAXSCALE value will depend on your map.<br><br>I hope it works.<br><br>Rodrigo.<br><div><span class="gmail_quote">On 7/10/07, <b class="gmail_sendername">Milo van der Linden
</b> <<a href="mailto:mlinden@zeelandnet.nl">mlinden@zeelandnet.nl</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div bgcolor="#ffffff" text="#000000">
<font face="Helvetica, Arial, sans-serif">Hello list,<br>
<br>
I have been puzzling a bit and am not finding the correct answer.<br>
<br>
I have a city mapinfo tab that holds population values. I want to
display:<br>
- The labels of the major cities when zoomed out far,<br>
- add the labels of medium cities when I zoom in further<br>
- show all labels when zoomed in max<br>
<br>
Currently my syntax in the mapfile is as below, but I can't get a map
that shows only the labels of the major cities!<br>
<br>
Any help is appreciated<br>
<br>
LABELITEM 'City'<br>
CLASSITEM 'City_Population'<br>
CLASS<br>
NAME '0 < City_Population < 100000'<br>
EXPRESSION ( ([City_Population] >= 0) AND ([City_Population]
<= 100000) )<br>
STYLE<br>
SYMBOL 'CIRCLE'<br>
SIZE 3 <br>
OUTLINECOLOR 0 0 0<br>
COLOR 255 170 0<br>
END<br>
LABEL<br>
TYPE TRUETYPE<br>
FONT Arial <br>
SIZE 8<br>
COLOR 255 255 250 <br>
#OUTLINECOLOR 255 255 255<br>
ANTIALIAS TRUE<br>
MINFEATURESIZE 500<br>
ANGLE 0<br>
FORCE false<br>
END <br>
END<br>
CLASS<br>
NAME '100001 < City_Population < 500000'<br>
EXPRESSION ( ([City_Population] >= 100001) AND
([City_Population] <= 500000) )<br>
STYLE<br>
SYMBOL 'CIRCLE'<br>
SIZE 4 <br>
OUTLINECOLOR 0 0 0<br>
COLOR 255 170 0<br>
END<br>
LABEL <br>
TYPE TRUETYPE<br>
FONT Arial <br>
SIZE 10<br>
COLOR 255 255 250 <br>
#OUTLINECOLOR 255 255 255<br>
ANTIALIAS TRUE<br>
MINFEATURESIZE 500<br>
ANGLE 0<br>
FORCE false<br>
END <br>
END<br>
</font>
<div>-- <br>
<br>
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<p>Milo van der Linden
<br>
<a href="mailto:mlinden@zeelandnet.nl" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">mlinden@zeelandnet.nl</a><br>
<a href="mailto:milovanderlinden@gmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">milovanderlinden@gmail.com</a><br>
<a href="mailto:milo@3dsite.nl" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">milo@3dsite.nl</a><br>
<a href="http://www.3dsite.nl" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://www.3dsite.nl</a><br>
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<p><span lang="NL">De informatie in dit bericht
reflecteerd mijn persoonlijke mening en niet die van een bedrijf of
instantie. Aan de informatie kunnen geen rechten worden ontleend.
Indien dit bericht onderdeel is van een forum, mailing-list of
community dan gelden automatisch de bijbehorende voorwaarden.</span></p>
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<br clear="all"></blockquote></div><br>