Hi,
I am trying to use the DeclutterMatrix in order to be able to declutter labelling of Shape File Features (road) according to DBF data and configured Rules.
I need more info and or example on how to use it.
I have tried to integrate it into the following class OMGraphic where i have added
public Point setDeclutter(OMLabeler labeler) {
if(labeler==null || declutterMatrix==null || declutterType==DECLUTTERTYPE_NONE) return null;
if(declutterType==DECLUTTERTYPE_MOVE){
if (labeler instanceof OMText){
OMText text = (OMText)labeler;
Point mapLoc = text.getMapLocation();
FontMetrics fm = FontDesignMetrics.getMetrics(text.getFont());
int fontSize = text.getFont().getSize();
int width=fm.stringWidth(text.getData());
int heigth=fm.getHeight();
Point takenPoint = declutterMatrix.setNextOpen(mapLoc, width,heigth);
declutterMatrix.setTaken(takenPoint, width,heigth);
return takenPoint;
}
}
return null;
}
now i have Overrided the setLocation(Point p) of an OMLabeler instance
with a code like this:
public void setLocation(Point p) {
try{
super.setLocation(p);
Point newPos= setDeclutter(this);
super.setLocation(newPos);
}catch (Exception e) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
e.printStackTrace(pw);
Debug.output(sw.toString());
}
}
A part the double call to super.setLocation all the label are shown on the top left corner......any hints, suggestion, tutorial or so on?
Best Regards
.
Alessio Iannone
Software Engineer
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Received on Mon Apr 28 2008 - 09:51:45 EDT