you in advance for any reply.
Mojtaba
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X) and we had no problems whatsoever.
The only things that needed recompiling were the device interfaces
written in C. Had we done our applications in anything but Java3D, the
porting would have been quite a headache.
Mojtaba
t with you.
Mojtaba Hosseini
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I guess not. I don't even know the list of Java3D1.3 specific features
(what are they?)
Mojtaba
"Nitin.Jain" wrote:
>
> Mojtaba,
>
> are you using any Java3D1.3 specific things in your code?
>
>
for the HMD. The only thing I
can say is that the job of incorporating an HMD into a Java3D
application was surprisingly easy for us.
Mojtaba
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d out an email when we do.
Mojtaba Hosseini
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3D 1.3 I wager? We have to use Java3D 1.2.1 since the
system runs Irix.
Mojtaba
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hitepaper was definitely a big help. Thanks!
Mojtaba Hosseini
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4 Expert3D cards to drive each of
their displays. Any hint on how each Canvas3D is assigned its own
Expert3D card?
Any suggestion or comment in this matter would be helpful.
Mojtab
setup
as a sensor and declared as the head sensor for PhysicalEnvironment
-CAVEconfig.ini: a simple config file showing the view parameters we
use for the setup.
Note that this code so far works only in Single Pipe mode.
Mojtab
ly got rid of 'unnecessary textures')
Mojtaba Hosseini
DISCOVER Lab
University of Ottawa
Dave Murphy wrote:
>
> Hi folks,
>
> Im curre
7;t
find it now. Anyway, I have the code so if your animation is VRML
interpolator type (or can be exported to that format) then you may want
to try the BViewer.
Mojtaba Hosseini
tion-level
optimization of resources to render large scenes. The opengl code to
access occlusion query is very simple so I wonder if it would be easy to
add it as a future functionality of Java3D.
Would anyone else be interested in such a feature?
the user walking in the 3D scene. We use this and
are quite happy with it.
Mojtaba Hosseini
kindy huang wrote:
>
> Dear all,
>
> I am wondering how to implement a smooth walking
> through in a 3D scene in Java3D. Suppose the 3D s
We've created a 3D VRML model of our research lab using CosmoWorld (a
tool similar to but not as powerful as 3DStudio) and visualize it in
Java3D. You can see a screenshot of the results at:
http://www.discover.uottawa.ca/~mojtaba/AOIMpics/labviz.jpg
to get an idea of the complexity
If you have the 3DStudioMax program, you can export from .max to .3ds
Mojtaba
> Zak Nixon wrote:
>
> I have found some models in *.max format.
> can someone help me format those in *.3ds format?
>
>
hanks.
Mojtaba
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!
Mojtaba
> Yes :) It's difficult because visibility sensors fall into the same
> problem that implementing ProximitySensor falls into - The J3D model of
> activation is completely different to VRML's. IN the following, you can
> swap view & proximi
Excuse my ignorance but let me see if I understand this right. If I have
only ONE viewplatform and I define a behavior with
WakeupOnViewPlatformEntry as its criterion and have a bounding box
associated with this behavior, then my behavior will wake up when the
box is visible?
Will the behavior wa
Thank you so much Justin. You saved me alot of time trying to figure
these things out. I really appreciate it!
Mojtaba
> > Will the behavior wake up if the box is close to the viewplatform but
> > it is occluded by another ob
aware of some of its advantages and drawbacks but know very little about
Shout3D and their website only advertises its features (not
limitations). Any comments are welcome. Thank you.
Mojtaba Hosseini
such that it can receive JMF audio streams and also be
able to give it to a PointSound in Java3D to play. Any inherent
characteristics of Java3D sound that would limit us?
Any help/comment would be appreciated.
Mojtaba Hos
ng my own PointSound!
Mojtaba
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Hello
I believe you are loading VRML1.0 file since it has Separators while
the loaders can only load VRML97 (VRML2.0). Try converting your VRML1.0
to VRML2.0 and getting the loader to load the new file.
Mojtaba
Hello,
If it is not too much trouble, I would love to get a copy of that code
as well!
Mojtaba
Ewan Borland wrote:
>
> Hi,
>
> I created a custom JMF data source which my canvas writes into every frame
> and then
n your way!
mojtaba
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Hi Alex,
Jason Taylor wrote:
>
> I'd say you need to make a study into what level of reality is required
> to activate a craving on a typical subject.
>
> A survey might be good enough for this part, ask something like
You may already be familiar with their work but the Computer Graphics
peo
when the textured wall is behind
it (the texture gets rendered over the object).
2) I could only see the object (and through it the wall) if the
transparency mode was set to SCREEN_DOOR. Why is that?
Thanks!
Mo
It would help if you outlined what it is you want to do. How involved is
the application in terms of its 3D graphics requirements? How much time
do you have to learn and to program?
> Pedro Teixeira wrote:
>
> Hello everyone.
>
> I have no experience with 3D programming, but really want to start
at a paper presented at ACM Web3D (shameless self-promotion
ahead!) on how this can be done:
http://www.mcrlab.uottawa.ca/~mojtaba/papers/Hosseini_MPEG4_Streaming_Submission.pdf
To summarize the paper, we have a Java based MPEG-4 BIFS encoder/decoder
that uses Java3D as the compositor/renderer. We
I've had this problem before. The issue is that the name of the ndoes
includes "-" instead of underscore "_". You have to convert all of them
which can be easily done using the "Replace" command of wordpad. In
summary, you should change node names like:
node-0
to
node_0
Good luck!
Jurgen Van
Hello,
We (University of Ottawa,Canada) have a Java BIFS decoder (loader) with
Java3D as the compositor. Contact me if you are interested.
Mojtaba
> Olaf Ringleb wrote:
>
> Hi,
>
> I'm searching for ANY loaders
hould now contain the matrix with the single rotation
representing the three rotations. It should but I'm not sure if it
would!
Mojtaba
Peter Woodward wrote:
>
> Hello,
>
> I have a set of three rotations around t
).
Mojtaba
Silvère Martin-Michiellot wrote:
>
> At 13:46 19/11/2002 -0500, you wrote:
> >Hello,
> > We recently got our Java3D applications to work on SGI InfiniteReality3
> >system and I just thought it may be useful for others to know some of
&g
Mojtaba
Arturo Rios wrote:
>
> I was clear, the 3D commands can't be compiled.
>
> --
> Yahoo! Mail - o melhor webmail d
s
are overcome)? Or am I on my own on this?
Thank you very much for your attention.
Mojtaba
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rence with the hope of publication!
I can give more details if you are interested. Let me know if you can
share the code or not. Thank you.
Mojtaba
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interested with the code. If j3d.org is interested they can take
the code as well.
Thanks.
Mojtaba
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k you.
Mojtaba
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extured avatars.
Mojtaba
JMFJ3Dsolution.zip
Description: Zip compressed data
can call detach() of BranchGroup which means shape3d would also be
detached.
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e:
want to add:
BranchGroup avatarBG
-Avatargeometry
to the scene which is
-locale
-BranchGroup sceneBG (with capability ALLOW_CHILDREN_EXTEND set )
by calling sceneBG.addChild(avatarBG);
I hope this helps.
)
transport protocol (TCP or UDP)
consistency
ownership
etc
I hope this has been helpful.
Mojtaba
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h and separated object A from B but this is unsatisfactory since
object A is a finger of an avatar in our case and having it detached
from the body produces and eerie result). Any help from anyone about
this would also help us out.
Mo
ondon/londonmain.html
You can convert this to VRML2.0 using 3DStudioMax. If you don't have
this software, I'll be happy to do it for you and send you the VRML2.0
file.
Good luck.
Mojtaba
==
is
discussed that is used for virtual reality industrial training.
I've been using Java3D for virtual reality projects (some in stereo) for
about 2 years myself. I'll be more than happy to answer any questions
I'm capable of answering.
orial to be very helpful. I hope this helps.
Mojtaba
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eciated. Thanks.
Mojtaba
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Hi,:)
It might be because of the bounds put on your view. Try setting the
FrontClipDistance of your View.
Mojtaba
>My universe seemms to be bounded. When an object goes further than 50 >units back on
>the z-axis, it disappears. I first t
the world, the offset between the
two views is not correct. For it to work, I have to move to one
particular distance from the object I wish to see in 3D. Is it the
problem with the eye distances or am I not setting a flag or what? ANY
help would be greatly appreciated.THanks.
HI,:)
Try:
simpleUniverse.getViewer().getView().setFrontClipDistance(number);
Keep Doug's advice in mind however.
Mojtaba
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this email will help those that will run into this problem later.
Thanks.
Mojtaba
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Hello,:)
Does anyone know of any problems between Swing and being able to have
stereoscopic view?Thanks in advance.
Mojtaba
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ot
3D anymore and I see two cubes. Is there a flag I have to set somewhere
to make it calculate the correct stereo view even when I move? Thanks in
advance.
Mojtaba
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HI,:)
Have you looked at the Sun VRMLBrowser? Take a look at
http://www.web3d.org/WorkingGroups/vrml-java3d/
It might be what you're looking for.
Mojtaba
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HI,:)
Have you tried running your java program with the Xmx option?
java -Xmx128m myprogram
Hope this helps.
Mojtaba
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Hi,:)
YOu obviously need to use Collision Detection. Try looking into the
Collision detection examples that come with Java3D. Hope this helps.
Mojtaba
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ither.
Mojtaba
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know, may be I'll be able to help.
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s solvable.
Mojtaba
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.
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Hello,:)
Could you send me a VRML example so I could try it on my machine?
Mojtaba
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Hello,
Have you tried running your application with xms parameter? ie:
java -xms96m myapplication
Mojtaba
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Hello Roopesh,
I think what you are looking for is setFieldOfView() method of the View
class. Take a look at it and see if it helps.
Mojtaba
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ns read w: 0.19611613
Am I missing something or this isn't supposed to happen?
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ch for you help.
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Hello Kyle,
I found Microsoft's HexEditor 1.2 helpful.
Mojtaba
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' CyberGlove and Ascension Technology's MiniBird. I would be
more than glad to share its code with anyone interested. Visit my site
at
http://www.mcrlab.uottawa.ca/~mojtaba/JavaInterfaces.html
for more information. Thank you.
Hello everyone,
I just wanted to announce that the second version of the miniBird
device's Java3D interface has been completed. I would be more than happy
to share the code with anyone interested. Please visit:
http://www.mcrlab.uottawa.ca/~mojtaba/JavaInterfaces.html
for more detail.
update messages used
to animate objects for remote users) and may make those available as
well, if there is interest and the distribution of the encoder/decoder
is successful.
Any helpful comments are appreciated.
for commercial purposes. Is that a
reasonable request?
Once again, thank you very much for your feedback. I would be glad to
hear from others if they are interested in this.
M
Hello,
Is it possible for you to provide me with the Spaceball 4000 drivers?
Your help would be greatly appreciated. Thank you.
Mojtaba
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Hello,
I was wondering if you are still interested in the Java MPEG-4 BIFS
Codec and if you intend to use it for non-commercial research or not.
Mojtaba
Hello all,
Is there a way to access the visibility culling performed by Java3D in
my application?
Mojtaba
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