Pasi,
Thank you very much!
Since this is the only reply I got. I would like to ask some more
questions. I am sure others have done this sort of things too. Any
suggestion is apprecited.
1. Does anyone has this type of sample code? I have not much experience
writing another thread. How to assign the priority to a thread?
2. How do I know the detaching of a grid is completed (how to check)?
Becuase when I put the detach code in a Behavior object as follows:
branchGroup is the one that I wanted to detach.
branchGroup.detach();
for( int ii = branchGroup.numChildren() - 1; ii >= 0; --i )
branchGroup.removeChild( ii );
I got the error that only BranchGroup can be removed. this means that the
branchGroup has not been fully detached (still alive). Otherwise, removing
children from a non-alive BranchGroup should be fine.
3. next question is more for java3D team. Can anyone explain what the
detach() function does in details. The reason I am asking is that I wanted
to re-use TransformGroup objects in detached BranchGroup to avoid time used
by garbage collecting.
If the detach() just break the top link of detached branchGroup to the
sceneGraph, I can move the whole detached branchGroup.
Thanks in advance for any comments!
Lan
At 08:28 AM 11/12/2002 +0200, you wrote:
I'd put the detaching in a thread of its own and set a low priority for
that thread. Then the detaching is done when there is CPU available.
Pasi
-----Original Message-----
From: Discussion list for Java 3D API
[<mailto:JAVA3D-INTEREST@;JAVA.SUN.COM>mailto:JAVA3D-INTEREST@;JAVA.SUN.COM]On
Behalf Of Lan Wu-Cavener
Sent: 11. marraskuuta 2002 17:20
To: [EMAIL PROTECTED]
Subject: [JAVA3D] how to check j3d rendering resource on fly
Hi, everyone:
I am using view frustum culling in my program. I will have to add some
grids and detach some every frame. I wanted to make all the adding grids
happening immediately. so I put the part of code into a Behavior object.
But I want to make all the detaching happen when the rendering resource is
not busy. My question is that how can I query the j3d VM to find out the 3D
rendering resource status during the programming running.
Thank you in advance!
Lan
Lan Wu-Cavener
Dept. of Landscape Architecture
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Lan Wu-Cavener
Dept. of Landscape Architecture
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