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Re: [x3d-public] performance, binary, applications, fps, x3d

On 9/7/05, bleue@gmx.de <bleue@gmx.de> wrote:
> 
> Hi ,
> 
> 
>   I would like to ask you :
> 
>   1. which x3d applications work with Direct3D, Java3D?
most of them will work with direct3D, that list should include Xj3d,
Flux, BS Contact, Cortona
xj3d is the only one I know of that has a java3D implementation.

>   2. how can I store x3d in binary format?
there is an X3D binary encoding - look at the specifications on the
web3d.org site

>   3. with which applications can I see the polygon nubmer of x3d and wrl
> files?
don't know
>   4. do you know methods to store fps in a file?
frames per second? don't know
>   5. do you know a paper about Performace or analysis of vrml or x3d
> models?
do you mean one that compares vrml to an x3d encoding? don't know.
Reminder: VRML is an x3d encoding too: in the form of VRML classic.
You are probably thinking of the XML encoding.

>   6. are there linguistic constructs, kind of programming as for example
>   proto, group your etc. which you think have on influence on the
> performance
> (fps)?
This is such a general question it is difficult to answer.
You can write programming code in a Script node and that can also go
into a PROTO.
Performance overheads will depend entirely on the code that is written.

>   7. which featuere can one compare at vrml and x3d?
> 
VRML has been kept alive in the form of VRML Classic encoding.
VRML Classic *is* x3d.
you will have to be more clear with what you are asking,

hope this helps,

chris

>   to your feedback and tips I look forward much greet
> 
> 
> 
>   Cheers,
>   Bleue
> 
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