Hi all,
I have found a problem using Mark symbols that have to be evaluated
through attribute expressions.
Suppose that I want to show different symbols in a set of points and
that mark well known name is stored in an attribute named "symbol".
This is resulting java code:
Mark theMark = sb.createMark(sb.attributeExpression("symbol"),
sb.createFill(Color.RED, 0.5), null);
Graphic graph = sb.createGraphic(null,new Mark[] {theMark},null,
sb.literalExpression(1),sb.attributeExpression("size"),sb.attributeExpression("rotation"));
PointSymbolizer aPointSymbolizer = sb.createPointSymbolizer(graph);
So, everything works only and only if I use a label that evaluates
"symbol" attribute.
Otherwise, Geotools doesn't keep attribute value in the subset used
during map rendering phase.
Instead, if I use an attribute to evaluate opacity or rotation, it works.
Does anybody noticed this trouble and could help me?
I am using Geotools 2.2
Thanks in advance.
Bye,
Manuele.
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