> Well that's ofcourse true if you add the background in intermediate mode
> you have to remove it from the Scenegraph or use a different background
> node (I would go for the later which is maybe easy) so just for testing
> add this line to preRender
>
> Background testBack = new Background(new Color3f(1.0f,1.0f,1.0f));
>
> and change
>
> this.getGraphicsContext3D().setBackground(....)
>
> to
>
> this.getGraphicsContext3D().setBackground(testBack);
Good morning,
well, that just makes no difference at all.
scene.addChild(backgroundBg);
Background testBack = new Background(new Color3f(1.0f,1.0f,1.0f));
offScreenCanvas3d.setBackgroundNode(testBack);
//u.setJ3DThreadPriority( Thread.currentThread().getPriority() );
bImage = offScreenCanvas3d.doRender(dim.width, dim.height);
backgroundBg.detach();
Only, when I remove my background node from the scenegraph I can print,
unfortunately with a black background and it leads to another exception:
Exception occurred during Canvas3D callback:
java.lang.NullPointerException
at
javax.media.j3d.DrawingSurfaceObjectDSI.contextLock(DrawingSurfaceObj
ectDSI.java:33)
at
javax.media.j3d.GraphicsContext3D.doClear(GraphicsContext3D.java:1540
)
at
javax.media.j3d.GraphicsContext3D.clear(GraphicsContext3D.java:1502)
at
gis.services.gis3D.OffScreenCanvas3D.preRender(OffScreenCanvas3D.java
:50)
at javax.media.j3d.Renderer.doWork(Renderer.java:703)
at javax.media.j3d.J3dThread.run(J3dThread.java:256)
Sorry, I do not really understand what is going on here.
Thanks Desiree
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