>Delivered-To: [EMAIL PROTECTED]
>Delivered-To: [EMAIL PROTECTED]
>Date: Thu, 23 Aug 2001 23:14:27 -0700
>From: R Vegan <[EMAIL PROTECTED]>
>Subject: Re: [JAVA3D] polygon offset
>To: [EMAIL PROTECTED]
>
>Hi
>
>Well, if it's any comfort, I have been fighting a  losing
>battle with this problem too. If it's any help, try
>switching between perspective and parallel projections
>- it does make a difference with my app./system config.
>
>Again, a remote shot - apparently you could try negative
>offsets too (with opengl only I guess (???), pl. dont take me for
>granted). Among other things that I have tried are: to adjust
>the back/front clip distance ratio and the position of eye.
>

Note that under DirectX implementation of Java3D
only negative offset is support. (since
DirectX only support integer offset from [0, 16]
but OGL can be any float value from -ve to +ve).
To make sure polygon offset works for both DirectX
and OpenGL version use negative offset.


>I'll be very curious to know how exactly one could overcome
>this annoying issue while trying to port apps. across
>different systems.
>

- Kelvin
-----------------
Java 3D Team
Sun Microsystems Inc.

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