Still one thing that came to my mind: Would I be able to "pick" my
TransformGroup programmatically? Then I would be able to get the parent
through the SceneGraphPath. Of course the picking should be foolproof, i.e.
it shouldn't involve any coordinates, just the pointer to the
TransformGroup.
Pasi
-----Original Message-----
From: Doug Gehringer <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Friday, February 04, 2000 1:57 PM
Subject: Re: [JAVA3D] Cannot get the parent of a live or compiled node?
>> From: Pasi Paasiala <[EMAIL PROTECTED]>
>>
>>
>> I have a TransformGroup that I'd like to remove.
>
>I think you know that only BranchGroups can be added or deleted from a live
>scene graph, which is why you want the parent of the TG.
>
>> The TransformGroup is a a
>> child of a BranchGroup. I only have a pointer to the TransformGroup and
I'd
>> like to get its parent but I get the error message "Cannot get the parent
>> of a live or compiled node". Does this mean that I have to maintain a
>> separate mapping between my transform groups and branch groups?
>
>How are you getting the reference to the TransformGroup?
>
>If it is using picking, you can set the ENABLE_PICK_REPORTING capablity on
>the BranchGroup so that it gets reported in the SceneGraphPath.
>
>Otherwise, you are right that you'll need to have a mapping between your
TG's
>and their parent BG's. You might want to just subclass TransformGroup and
>add a field which holds the parent.
>
>J3D doesn't allow you get the parent of a live scene graph to allow J3D to
>optimize the scene graph, but it seems like a ALLOW_PARENT_READ capability
>might be useful.
>
>Doug Gehringer
>Sun Microsystems
>
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