What comes to constructive geometry, I think it would be a very useful
feature. I'm not sure to what purpose Java3D was originally planned, but as
it is it lacks essential features for creating complicated geometry on the
fly.
There is a Java based package called Jun
(http://www.srainc.com/Jun4Java/index-e.html) that says it can do CSG or set
operations as presented in their web site. So it seems that it can be done.
One possibility might be to use Jun to perform the operations and then
convert the results back to Java3D.
Pasi
-----Original Message-----
From: Discussion list for Java 3D API
[mailto:[EMAIL PROTECTED]]On Behalf Of Carl Smotricz
Sent: Monday, August 21, 2000 9:05 PM
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] Geometry Utilities ?
Hi Hans,
At 16:58 21.08.00 , you wrote:
>Hi all,
>I would like to know if there are any methods right now to perform
>extrusion or merging between two 3D Objects ?
As far as I know (but others probably know more), there is extrusion only
for text,
and merging only in terms of color blending to achieve transparency.
When you say 'merging' you probably mean things like merging a long cylinder
and a short cone to form a pencil shape. This is called constructive
geometry and
in a recent discussion, Those Who Know said it's not available (yet?) in
Java3D.
It's very complicated to implement, so it may never be.
Hope this helps,
-Carl-
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