There is no such functionality for the time being. You can either filter out the data at the DATA level (i.e. postgis query with "where year=xxx") or fund the addition of expressions to the chart type layers.
regards, thomas On Mon, Aug 8, 2011 at 11:39, Mario Basa <[email protected]> wrote: > Hello. > > Do EXPRESSIONS work in a chart layer? I have been trying something > like the one below, and the postgis layer only has 2010 and 2011 data > and yet the 2012 portion of the chart keeps on appearing. If > Expressions do not work, is there any other method of filtering the > data before creating the pie char. Thanks! > > > TYPE CHART > PROCESSING "CHART_SIZE=20" > PROCESSING "CHART_TYPE=PIE" > > CLASS > NAME "2010" > EXPRESSION ([obj_yyyy]=2010) > STYLE > SIZE 5 > COLOR 234 192 156 > OUTLINECOLOR 10 10 10 > END > END > CLASS > NAME "2011" > EXPRESSION ([obj_yyyy]=2011) > STYLE > SIZE 20 > COLOR 112 78 221 > OUTLINECOLOR 10 10 10 > END > END > CLASS > NAME "2012" > EXPRESSION ([obj_yyyy]=2012) > STYLE > SIZE 60 > COLOR 133 178 199 > OUTLINECOLOR 10 10 10 > END > END > _______________________________________________ > mapserver-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapserver-users > _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
