Now that's interesting. Is the problem just that you're seeing 0 width
and 0 height, or that this triggers something which freaks out?
In any case, could you create a stack trace when this occurs?
Sean
Pelle Evensen wrote:
> I have a problem in a portrayal's draw() method, sometimes the draw
> field from the DrawInfo2D object and the newinfo and info from
> SparseGridPortrayal2D looks like this for *some* calls in an update;
>
> SparseGridPortrayal2D
> newinfo: DrawInfo2D[ Draw:
> java.awt.geom.Rectangle2D$Double[x=352.0,y=107.0,w=0.0,h=0.0] Clip:
> java.awt.geom.Rectangle2D$Double[x=0.0,y=0.0,w=500.0,h=400.0]]
> info: DrawInfo2D[ Draw:
> java.awt.geom.Rectangle2D$Double[x=0.0,y=0.0,w=500.0,h=400.0] Clip:
> java.awt.geom.Rectangle2D$Double[x=0.0,y=0.0,w=500.0,h=400.0]]
> Our portrayal's draw(), info.draw:
> java.awt.geom.Rectangle2D$Double[x=352.0,y=107.0,w=0.0,h=0.0]
>
> This is the code (more or less) where we set up the portrayal;
> public static void setupPortrayals(SimState state, Display2D display) {
> SparseGridPortrayal2D barterPortrayal = new SparseGridPortrayal2D();
> int width = display.getWidth();
> int height = display.getHeight();
> SparseGrid2D agentPositions = new SparseGrid2D(width, height);
> for(Agent e : agents) {
> agentPositions.setObjectLocation(e, Math.sin(idx) * idx,
> Math.cos(idx) * idx);
> idx++;
> }
> barterPortrayal.setField(agentPositions);
> display.attach(barterPortrayal, "Agents");
> barterPortrayal.setPortrayalForClass(
> Agent.class,
> new BasicAgentPortrayal((Simulation) state));
>
> display.reset();
> display.repaint();
> }
>
> Regards,
> Pelle
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