The capability bits in question were introduced in Java 3D version 1.2.
I did a quick search on the SGI web site and could only find Java 3D 1.1.3.

You should contact SGI regarding the availability of Java 3D 1.2.

Dan Petersen
Java 3D Team
Sun Microsystems


>         Hi,
>
>         I wrote a demo in Java 3D using Java 1.3 on NT 4.0. Everything
> worked fine, the functionality that is written in the
>         Java 3D API exists in the Java 3D package for NT.
>         Since my final product has to run on SGI, Irix 6.5, I migrated the
> demo to SGI. Again, I used Java 1.3 for SGI.
>         At this point I started to see that a lot of basic functionality
> that exists in the Java 3D package for NT, doesn't exist
>         in Java 3D package for SGI.
>         Most of the missing functionality are flags that allows you to read
> / write data from / in Java 3D objects while the
>         application is running. I guess it has something relates to
> optimizations.
>
>         For example:
>          In the "RenderingAttributes" object API you have the flag :
> ALLOW_VISIBLE_WRITE.
>         It exists on NT package but not on SGI.
>
>         What shell I do (move to another 3D package... make some "work
> around"...)?
>         Is SGI is going to come up with improved package?
>
>         Thanks a lot in advance,
>         Rakefet Altshooler
>
>
>
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