Try canvas.stopRenderer() when the canvas in not visible, and canvas.startRenderer()
when the user selects a new Panel.
bye..
Dani.
Janet Song wrote:
> Hi all
>
> i have done many panels with Canvas 3D on it in a CardLayout, each panel showing
>different projections which i use a PopupMenu to control which panel should be shown.
>Now the problem is i try to only attach the view branchgroup to the locale when that
>panel for it is being shown... but it doent work unless i attach everything first in
>my constructor.... so if i render all the canvases, it is very very slow....
>
> //constructor
> public Example()
> {
> .......
> //actually i dont want to add all the views here coz it slows down everything
> locale.addBranchGraph(view1);
> locale.addBranchGraph(view2);
> locale.addBranchGraph(view3);
> locale.addBranchGraph(view4);
> }
>
> //my event catcher for the pressing od the MenuItem
> public class PopupActionListener implements ActionListener {
> public void actionPerformed(ActionEvent event) {
> MenuItem mi = (MenuItem)event.getSource();
> String s = mi.getLabel();
> if(s.equals("Viewer Panel")) {
> card.show(cardPanel,"menu1");
> } else if(s.equals("Color Panel")){
> card.show(cardPanel,"menu2");
> }
> else if(s.equals("Multiview")){
>
>cardCanvas.show(cardCanvasPanel,"multiviewCanvas");
> Id = 1;
>
> // i tried to remove the other panels here but somehow not
>really working....and how would i know which branchgroup to remove....
>
> i tried using the
> viewNodes = locale.getAllBranchGraphs();
>
> but somehow.. maybe i didnt know how to
>manipulate it....
> } else if(s.equals("Isometric")){
>
> }
> }
>
> Thanks
>
> any help is appreciated
>
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