Re: [udig-devel] Modifying zoom/selection behavior(s)

[Jesse Eichar <jeichar@xxxxxxxxxxxxxxx>]

Hi,

To get the map to repaint you can call
IMapDisplay display=map.getRenderManager().getMapDisplay();
if( display instanceof ViewportPane ){
	((ViewportPane)display).repaint();
}

This will cause the map to redraw all the draw commands.

Jesse
On 3-Apr-06, at 12:51 PM, Jeffrey Bergamini wrote:

> Thank you Jesse. That works when I resend the command or refresh the
> map. Is there any way to call a re-render sort of op that doesn't
> actually refresh the map data, but instead just redraws the layers?
>
> Jeff
>
> On 3/31/06, Jesse Eichar <jeichar@xxxxxxxxxxxxxxx> wrote:
> > Draw Commands "live" until their isValid method returns false.  So
> > when you want to turn off/kill the command call setValid(false).  Or
> > override the isValid method to know when it is no longer needed.
> >
> > Jesse
> >
> > On 30-Mar-06, at 1:03 AM, Jeffrey Bergamini wrote:
> >
> > > Hi again everybody,
> > >
> > > The plugin development is going well (much of it thanks to your  
> > > help),
> > > but now I'm running into another lack-of-knowledge problem:
> > >
> > > I want to display a toggleable grid over the current map that
> > > illustrates the available tile boundaries as a navigation guide.  
> > > I've
> > > been able to get a Ctrl-Click to display the lines through calls to
> > > getContext().sendASyncCommand((getContext().getDrawFactory
> > > ().createDrawShapeCommand(...)),
> > > like on the net.refractions.udig.tutorials.tool.coordinate tutorial.
> > > However, these lines seem to live forever on the map, and I don't  
> > > see
> > > any obvious way of clearing them and/or temporarily disabling them.
> > >
> > > Any suggestions? I could conceivably generate a grid layer on the  
> > > WMS
> > > proxy, but it would make more sense in some ways to do it through  
> > > the
> > > plugin.
> > >
> > > Jeff
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