Hi,
    Can anyone tell me what you can/can't do with Primitives and Shape3D's?
    Can you use Shape3Ds in place of Primitives, or vice versa?
    Is it possible to convert between the two forms in some way?
    Can you do intersections (for picking) on Primitives?

It seems to me that Primitive and Shape3D both fulfil the same aims, but,
annoyingly enough, cover different shapes. What happens if, for example, I
want to use a Sphere (a Primitive), but all of my code is written for
Shape3D objects? Am I to rewrite everything, only to discover that there are
certain important things I can do with a Shape3D that I cannot do with a
Primitive? Surely not. <:(


Graham

-----Original Message-----
From: John Brecht <[EMAIL PROTECTED]>
To: Java3D <[EMAIL PROTECTED]>; [EMAIL PROTECTED]
<[EMAIL PROTECTED]>
Date: 30 March 1999 19:11
Subject: Re: [java3d] Simple 3D objects


>
>com.sun.j3d.utils.geometry has the primitves.  (don't ask me why they
>separated it from javax.media.j3d.  It's the most maddening discovery that
>every Java3D developer makes eventually.)
>---
>John Brecht
>Department of Physics and Astronomy
>Michigan State University
>[EMAIL PROTECTED]
>
>-----Original Message-----
>From: Gold, Rich <[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
>Date: Tuesday, March 30, 1999 12:59 AM
>Subject: [java3d] Simple 3D objects
>
>
>>Is there a library of simple 3D objects available for Java 3D? One of the
>things which made (and still makes) VRML fairly easy to use are spheres,
>rectanglular solides, extrusions and rotations which can easily be colored,
>scaled, rotated and plopped into place. Not only do they make learning
>easier, they often can suffice for many applications.
>>
>>Thanks,
>>
>>Rich Gold
>>Manager, RED
>>Xerox PARC
>>[EMAIL PROTECTED]
>>www.parc.xerox.com/richgold
>>650-812-4825    fone
>>
>>
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>>Java 3D Home Page: http://java.sun.com/products/java-media/3D/
>>
>
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