I am trying to implement an arbitrary rotation at
the origin, such that the axis rotate onto the x,y and z axis.
/** * Kyle Wayne Kelly *
Computer Science Student * University of New Orleans *
504-391-3985 * http://www.cs.uno.edu/~kkelly
* Glory to God! * El temor del hombre pondra
Hi Artur,
Yes, it is a bug. It is very similar to
4426898 - D3D: crash when transparency of RGBA Raster change
which is fixed in v1.2.1_01.
But the test program still hang in v1.2.1_01.
I'll submit another bug for it.
Thanks for your bug report.
- Kelvin
Java 3D Team
Sun M
Kyle McDonald wrote:
> I looked at the OrbitBehavior which seems to have solved
> this problem, but it seems to only work with the mouse,
> and not an Alpha object.
>
> Anyone solve this problem yet?
I'm just about to for the Xj3D browser. The browser needs to sup
Adriano,
Sounds like you are using the J3dTree scenegraph viewer and (probably) part
of your scenegraph has already been compiled. J3dTree found some a null node
in your scenegraph and then found a Group without the READ_CHILDREN
capability set, and then found another null node. J3dTree either wa
Joerg 'Herkules' Plewe wrote:
>
> But it's a bad idea to introduce automatic getter/setter for everything just
> for OO dogmatic reasons. Is my class a pure data container? Well, express
> that! Don't make it more 'important' by introducing lots of methods doing
> nothing. Most (99%?) of these thi
Hi,
I've just been looking at the MouseRotate Behavior class.
I'm not sure this is what I'm looking for. I'd like to have
an object start rotating on it's own when ever the mouse
pointer is on that object.
From looking at the MouseBehavior family of class
"J. Lee Dixon" wrote:
>
> Now I think my problem is the slowness of moving BranchGroup nodes
> around in the OrderedGroup. I thought I had heard that detaching a
> BranchGroup and re-attaching was very expensive. I tried searching the
> archives but the listserv search engine is a bit slow for m
I have Raster with ImageComponent2D constructed from
BufferedImage.TYPE_3BYTE_BGR in byref mode. I set 0.5 blended
transparency and if I display it in the raster jvm crashes. This happens
only under directx - opengl is ok.
Attached is small program which shows the problem. I've reduced it
conside
Hi again.
I want to say thanks to everyon who helped me with my
VirtualUniverse question. I've got it working now Thanks.
Next I want to try to have the viewplatform orbit some
geometry that is fixed at the world origin.
I tried using two RotationInterpol
Kovalan Muniandy wrote:
> I am using JDK1.3 with J3d 1.2.1 Beta 2 and have no problem picking things
> in my "scene" (those not in dashboard).
And where have you added the picking behaviour ? If only to scene, try
to add it to PlatformGeometry instead and see if it will work.
Artur
===
Hi Justin,
> Have you called setPickable(true) on your dash geometry as you are
> creating it? That's the most common cause for something being not
> pickable.
I am doing the following:
protected PlatformGeometry buildDashboard() {
PlatformGeometry pg = new PlatformGeometry();
p
Joerg 'Herkules' Plewe wrote:
> BTW, can the Java compiler really optimize away gette/setter overhead like a
> C++-compiler can? I doubt that. But my point is not so much related to
> performance anyway.
Yes, it can (as long as it is final). In fact even sun interpreter was
optimizing this speci
Hi.
I've decided to try to do it 'the hard way'(tm) :^)
I think ,aybe I'll learn a little more if I setup the
whole universe my self.
I started looking at the VirtualUniverse class, and
it seems to only have get*() methods... How do you
add the Lo
We'll not finish this discussion, I'm afraid. And I won't struggle with the
almighty OO gurus from Sun at all :-))
BUT
It's even better if I'm using somebody elses code bc. I can see whats going
on. No magic. Does this method take long? Will it be transacted? Are other
things influenced? NO,
Ok, this is going to far indeed - I just wanted to stress that for me
documentation is not most important (after few voices telling that docs
are first priority). You are right that there is no point in taking
example one by one.
John Wright wrote:
[...]
> Your usage of "I suppose" indicates that
Hi Zak,
See attachment, run it with
java MultiViews N
where N is the no. of view.
- Kelvin
---
Java 3D Team
Sun Microsystems Inc.
>X-Unix-From: [EMAIL PROTECTED] Fri Apr 20 06:56:24 2001
>X-Originating-IP: [216.180.63.156]
>MIME-Version: 1.0
>X-Priority: 3
>X-MSMail-Priority
HI Liming,
Check out Node.getLocalToVworld(Transform3D t) .
Note: You'll have to set the Node.ALLOW_LOCAL_TO_VWORLD_READ capability on any node
whose transform you want to read.
josh
Joshua L. Richmond, BASc, MSc.
Systems Engineering (R
Hi,
I am doing some stereo stuff, and need to render some objects only for one
eye. It means that these objects are only visible for one eye, say the
right eye, and are not shown in the image rendered for the left eye. The
visibility of these objects is the only difference between two images. I
d
Hi,
I build a BranchGroup that contains one or more TransformGroups, then
these TransformGroups contain more children and so forth. My question
is: how can I access the children nodes at the leaf end of this
branchGroup? I found that the getAllChildren() method in BranchGroup can
only get the chi
Artur, I have no interest in debating matrix documentation with you. It
was simply an example that I tossed out quickly. I did check the pdf
doc you mentioned. It doesn't provide any more information in this
specific case.
If all you do is toy with Java 3D and make little demos then I agree,
t
Any body know it is possible or any work around for that??
Ahmed
===
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
of the message "signoff JAVA3D-INTEREST". For general help, send email to
[EMAIL P
We have talked about adding an indirection table to the OrderedGroup
node to do this very thing. Unfortunately, that doesn't help you
right now. :^(
Doug Twilleager
Sun Microsystems
>MIME-Version: 1.0
>Subject: [JAVA3D] Range ordering of transparent objects
>To: [EMAIL PROTECTED]
>
>Yes, I'm s
>Hi there,
>
>Some hints on the following issue would be very appreciated.
>Any idea about how to set up the :
>javax.media.j3d.Appearance.getRenderingAttributes().setVisible(false) ?
>
>I have tried something like :
>RenderingAttributes RenderATT=new RenderingAttributes();
>
No, you'll have to use either gl4java or Magician. There are no "official"
OpenGL bindings for Java.
gl4java is free under GPL and has a nice auto-installer.
I don't know a lot about Magician. I keep hearing rumors that it's going to
be discontinued.
- Original Message -
From: "Mohamm
Thanks, Paul.
That did the trick.
Raffi
-Original Message-
From: Paul Byrne [mailto:[EMAIL PROTECTED]]
Sent: Thursday, April 19, 2001 4:19 PM
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] Help! How can I use ViewingPlatform?
HI,
You need to create a Viewer object instead of creating a
I just surfed to the home site of GL4Java http://www.jausoft.com/gl4java/
but I still want to know if it is possible without using gl4java or any other
similar product.
"Theron, Jannie" schrieb:
> Have you taken a look at GL4Java ?
>
> I heard about it but haven't checked it out.
>
> -Origi
Yes, I'm still working on this... ;)
I have it working, but it's a bit slow. My first problem was my crude
sorting algorithm. I can get around that.
Now I think my problem is the slowness of moving BranchGroup nodes
around in the OrderedGroup. I thought I had heard that detaching a
BranchGrou
Yes,
What you say about deadlock makes sense, but none of MY code in
OrderedBehavior.run creates new threads (Who knows what Java3D is doing). I
don't understand how deadlock can have been created. Anyway, I'm now using
toArray() and the problem seems to be gone. Since Vector is a synchronized
cl
Nevermind, I got it to work :)
Zak
- Original Message -
From: "Sackmunky" <[EMAIL PROTECTED]>
To: "Discussion list for Java 3D API" <[EMAIL PROTECTED]>
Sent: Friday, April 20, 2001 9:58 AM
Subject: Re: Re: [JAVA3D] Help! How can I use ViewingPlatform?
> I am having the same problem, Eve
I am having the same problem, Even with the Viewer object, Orbit Behavior
doesnt work.
Does anyone have a solution?
Zak
- Original Message -
From: "Kakollu Satyanarayana" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, April 19, 2001 3:48 PM
Subject: Re: [JAVA3D] Help! How ca
>>
>>Doug Twilleager wrote:
>>>
>>> No, it behaves exactly as you described in you initial question.
>>> Try demo/java3d/Background/BackgroundGeometry.
>>
>>Oh, right, first part. One more dumb question: If I change parent
>>transforms on the fly does it pick up the rotation coordinates of it.
>>S
Jordi López wrote:
>
> Hello,
>
> I appreciate your opinion on that:
>
> Java3D API is full of get* and set* methods and the most of them only copy
> the param value to its private atribute. The performance is lowered down
> with a lot of function calls in the stack. Most people says that making t
> Java3D API is full of get* and set* methods and the most of them only copy
> the param value to its private atribute. The performance is lowered down
> with a lot of function calls in the stack. Most people says that
> making the inner state of an object public is not OO,
I think you are comple
Hi everyone,
In my application I have a few JDialogs floating over my Canvas3D's. Within the
dialogs are JScrollPanes containing JTextAreas. When I drag the scroll bars, the text
areas do not repaint correctly until I click them into focus. If I jump the scroll
bars it works fine. If I run the
Is there anyway to make the Orbit behavior not
zoom,translate past a certian radius, without the whole behavior stopping? I set
the bounds to a smaller number, but whenever I get to that radius, the behavior
stops. I want to be able just to use the behavior within a set radius and never
stop
John Wright wrote:
> "Another vaild notational scheme sometimes seen in computer graphics
> uses matrices with translation vectors in the bottom row. In this
> scheme, the order of matrices would be reversed, i.e., the order of
> application would read from left to right. Vectors and matrices i
Hello,
I appreciate your opinion on that:
Java3D API is full of get* and set* methods and the most of them only copy
the param value to its private atribute. The performance is lowered down
with a lot of function calls in the stack. Most people says that making the
inner state of an object publi
Have you taken a look at GL4Java ?
I heard about it but haven't checked it out.
-Original Message-
From: Mohammed Akacem [mailto:[EMAIL PROTECTED]]
Sent: Friday, April 20, 2001 4:53 PM
To: [EMAIL PROTECTED]
Subject: [JAVA3D] Applet with OpenGL instead of java3D is it possible? -
security
I will make sure this is documented more clearly in the next (alpha2 or
beta) rev of the Java 3D 1.3 javadocs and specification.
--
Kevin Rushforth
Java 3D Team
Sun Microsystems
[EMAIL PROTECTED]
>Date: Fri, 20 Apr 2001 08:43:43 +1000
>From: Justin Couch <[EMAIL PROTECTED]>
>Subject: Re: [JAVA
Does anyone have any examples with scenes with
multiple views?
I am trying to set up multiple views for the same
scene, and need some guidence.
Can someone help?
Zak
I want to implement a 3d viewer as an applet , I know I can use Java3D
but I was thinking of the possibility to use Java native interface to
call OpenGl, is this any way possible and does it make sense? which
security permission should the user grant to my applet und would my code
be faster enoug
This question is asked more and more frequently as people pick up a
newer Linux distribution and install XFree86 4.0.
As far as I know, there are only two solutions to this problem:
1) Switch back to XFree86 3.3.6.
or
2) Get Direct Rendering to work (if your graphics card is
DRI-supported).
I agree, that the documentation should not include a tutorial on how
matrices work or the underlying math. However we DO need documentation
for how to properly set up these matrices.
Are these matrices row-major form or column-major form?
Again quoting from "Real Time Rendering" page 32:
"Anot
I looked at the demo. Impressive, but I noticed pretty low poly counts
and not very much texture mapping (many parts of the demo there were
none). I don't recall seeing any transparent objects either. It would
be nice to see an *interactive* demo because there was one where I
almost thought the
Pretty amazing, why are we bothering with Java 3D, this looks faster in
pure Java! :-)
-John-
Josh Richmond wrote:
>
> I haven't looked into this API, but he has a snazzy
> demo:http://www.obrazstudio.com/demo/ 3D with pure Java josh
> >>> [EMAIL PROTECTED] 04/19/01 01:32PM >>>
> Westley,
>
>
I have to agree here, you would not expect a tutorial of trig functions or
natural logs in the Math class. It is generally assumed that if you're going to
use them you know what you're doing. It would be a nice idea to point people in
the right direction and list the concepts that the user should
Hi.
Any
idea about how in
text3D make carrying to necessarying line (/n)?
plese
[EMAIL PROTECTED]
ICQ:
#75190013
Hi Folks,
I have decovered yet. Thnx anyway. |:0).
Rgds, Adriano
Adriano Cavalcanti Silva schrieb:
> Hi there,
>
> Some hints on the following issue would be very appreciated.
> Any idea about how to set up the :
> javax.media.j3d.Appearance.getRenderingAttributes().setVisible(false) ?
>
>
Hi there,
Some hints on the following issue would be very appreciated.
Any idea about how to set up the :
javax.media.j3d.Appearance.getRenderingAttributes().setVisible(false) ?
I have tried something like :
RenderingAttributes RenderATT=new RenderingAttributes();
Render
Hi all !!
I know that parameters can be passed to an applet from the HTML file with . But the parameter values can be caught with
getParameter(...) only in the init() method of the applet.
The applets usually written in java3d have the main() method and construct the applet
with new MainFrame(
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