>Delivered-To: [EMAIL PROTECTED]
>X-Sender: [EMAIL PROTECTED]
>MIME-Version: 1.0
>Date: Fri, 31 Aug 2001 09:23:17 +0200
>From: Desiree Hilbring <[EMAIL PROTECTED]>
>Subject: Re: [JAVA3D] Change background color for printing
>To: [EMAIL PROTECTED]
>
>> 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.
>
This is bug 4474415 -
PureImmediate offscreen rendering may not render properly
which is fixed in v1.2.1_02 and later.
- Kelvin
----------------
Java 3D Team
Sun Microsystems Inc.
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