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<DIV>Hi Michael</DIV>
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<DIV>Take a look at CLASS and EXPRESSION: <A href="http://mapserver.org/mapfile/class.html">http://mapserver.org/mapfile/class.html</A></DIV>
<DIV> </DIV>
<DIV>Here is an example from one of my map files:</DIV>
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<DIV>LAYER<BR> NAME rivers<BR> GROUP "Topos"<BR> TYPE LINE<BR> STATUS ON<BR> DATA ../data/aus/rivers<BR> PROJECTION<BR> "init=epsg:4283"<BR> END<BR> MAXSCALE 10000000<BR> MINSCALE 75000<BR> CLASSITEM "PERENNIAL"<BR> CLASS<BR> EXPRESSION /1/<BR> NAME "Permanent"<BR> STYLE<BR> WIDTH 2<BR> COLOR 115 178 255<BR> END<BR> END<BR> CLASS<BR> EXPRESSION /2/<BR> NAME "Seasonal"<BR> STYLE<BR> WIDTH 1<BR> COLOR 115 178 255<BR> END<BR> END #CLASS</DIV>
<DIV>END</DIV>
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<DIV>Regards,</DIV>
<DIV> </DIV>
<DIV>Robert<BR><BR>>>> "Michael G." <michael.gajda@tu-dortmund.de> 6/09/2011 11:10 a.m. >>><BR>Hmm, any hints for what I should search for?<BR><BR><BR>Am 04.09.2011 19:35, schrieb Michael G.:<BR>> Hello,<BR>> <BR>> I am rendering vectordata from a PostGIS database which works like a charm.<BR>> My layer definition looks like this:<BR>> LAYER<BR>> NAME "vector"<BR>> METADATA<BR>> "wms_include_items" "all"<BR>> "wms_title" "dortmund_basic"<BR>> END<BR>> TEMPLATE gfi.html<BR>> TYPE POLYGON<BR>> ## Should be inherited from MAP level, but is good practice to have<BR>> here, too: ##(or not? <.<)<BR>> #PROJECTION<BR>> # "init=epsg:900913"<BR>> #END<BR>> DUMP true<BR>> <BR>> CONNECTIONTYPE postgis<BR>> CONNECTION "host=x dbname=x user=x password=x port=5432"<BR>> DATA "the_geom FROM x"<BR>> <BR>> CLASS<BR>> STYLE<BR>> COLOR 200 50 50<BR>> OUTLINECOLOR 60 60 60<BR>> #SYMBOL 0<BR>> ANTIALIAS true<BR>> OPACITY 80 # in percent<BR>> END<BR>> END<BR>> END<BR>> <BR>> Right now, I have not fully grasped how features/information is saved along<BR>> with the vector data in the PostGIS database, but I am also not maintaining<BR>> it. Supposingly we will have a float-value saved along with every vector.<BR>> Can someone explain or give me hints, how I could map such a value which is<BR>> saved along into a color? Like a brighter shade of red the higher the value is?<BR>> <BR>> Sincerely<BR>> Michael Gajda<BR>> _______________________________________________<BR>> mapserver-users mailing list<BR>> mapserver-users@lists.osgeo.org<BR>> <A href="http://lists.osgeo.org/mailman/listinfo/mapserver">http://lists.osgeo.org/mailman/listinfo/mapserver</A>-users<BR><BR>_______________________________________________<BR>mapserver-users mailing list<BR>mapserver-users@lists.osgeo.org<BR><A href="http://lists.osgeo.org/mailman/listinfo/mapserver">http://lists.osgeo.org/mailman/listinfo/mapserver</A>-users<BR></DIV><br><br>
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