Hi all!
I restarted to work on my simulation project and i got into problems in the
firs hour.
A would like to animate the legs of a human body.
If i press a button it should make a "full step" (moving both legs ...).
I tried to make a while cycle with the right transformations in it but my
"human
Title: RE: [JAVA3D] Animating body
Could be a thread problem. You should have one thread where you set the rotations, and this thread should have a lower priority than the rendering thread. Also, do you have sleeps between setting of the rotations. If not, setting happens so fast that only th
Dave,
Regarding your point 4. "only the copyright holders can sell
the product (renderer + libs) a product. I would not want
someone to take a free API" I was wondering if, in case you
license someone to use your product, you recommend also
building in some code, eg IP address checker, etc. This
Arthur,
I was planning on doing the coarse-grained backface culling once, before
the graphics pipeline is even set up. Basically, I would start with an
indexed face geometry. And then store several sets of indices. Each set
of indices would represent the back face culled version of the original
> Date: Wed, 9 Jul 2003 10:13:35 +0300
> From: Pasi Paasiala <[EMAIL PROTECTED]>
>
> Could be a thread problem. You should have one thread where you set
> the rotations, and this thread should have a lower priority than the
> rendering thread. Also, do you have sleeps between setting of the
I have heard it said that Behaviours are the only way to change a live scenegraph. Not
sure about that, but that is what they are designed for.
I put together a small java3d tutorial that has a couple of sections about behaviours
which may be useful, although it doesn't exactly match your situat
Hi all,I want to add the
same OrbitBehavior to multiple universes. So that when I move the camera on one
scene, it also moves the camera on the other scenes in the same way.I
tried creating a global OrbitBehavior and adding it to all the universes, but I
get a MultipleParentException at runti
Do transparent textures work in java3d ?
To demonstrate I have included two pictures of a low res cylinder with
transparent textures (correct, wrong).
Now matter what combination of Texture Attributes I use the blue back
seems to dominate.
Here is the jython code
def buildAppearance(self):
Chris Fenton wrote:
Do transparent textures work in java3d ?
yes, I have couple of tiny issues, that don't consistently happen, but mostly,
and most of the time, they work perfik, below is the code I use. You will also
need to make sure you have done
View.setTransparencySortingPolicy(View.TRANSPAR
SiG Software Integration GmbHHi all,
simple question: how can I add objects, e.g. simple spheres, to a life
graph?
Background is: I like to dynamically add 3d-datapoints read from a external
data feeding device each minute to even the same transformation group.
Depending on the users choice on th
Horst,
This one comes up often.
You do need to structure your scene such that you can add and remove
branchgroups to handle what you want to do. Branchgroups are the only
thing you can add to a live scene. If you know all your data upfront
some people will use "switch nodes" to just switch on a
Before I throw myself full-force behind using Java3D in my application: are
there any major problems or very annoying things that are currently known to be
broken in Java3D? Anything I should know up-front about it?
Gili
Hi all,
simple question: how can I add objects, e.g. simple spheres, to a life
graph?
Background is: I like to dynamically add 3d-datapoints read from a external
data feeding device each minute to even the same transformation group.
Depending on the users choice on the limit the oldest data point
Gili,
Although I do NOT represent Java3D OR the Java3D community.. I think that
the largest gripes that I have heard include:
1) no real low level access to OpenGL specifics such as the various
buffers, etc. If you dont know what im talking about with this, then it
probably wont affect you. (no g
The only other issue I have noticed is the whole "Java3D may or may not be about to be
dropped by Sun in the light of the new OpenGL bindings and the way people from sun
keep hinting it is stalled, in a holding pattern etc etc" discussion.
Not really a technical problem, but a point to consider.
Hi,
If your objects can share the same appearance, you might try to
use a single Shape3D and the addGeometry() / removeGeometry() methods. In
this case, you can pre-transform your geometry to put it in the right
position. (Some time ago, Florin Herinean wrote to this list about this
techni
Ben,
What would your recommendation be? Look into the OpenGL binding instead?
The bottom line is: what is the best way to do 3D under Java? Or is this currently more
trouble than its worth?
I'm about to stake my newfound business on how I do 3D on Java so I'm a little
reluctant to
As well, I just noticed that the latest OpenGL binding was released back in Feb
4th, 2002 .. over a year back. Why is Sun so worried about this?
Gili
On Wed, 9 Jul 2003 15:08:46 +0100, Ben Moxon wrote:
>The only other issue I have noticed is the whole "Java3D may or may not be about to
b
It depends what you want - Java3D is certainly easier to use than OpenGL, especially
for more complex work, and from what I can tell sun are continuing to support it from
a bug-fix point of view but there are no current plans for a Java3D 1.4 . For more on
this, take a bit of a look down the arc
If you are going to stake your business on your 3D technology then I suggest
doing a lot of research on what the different key concepts are. Java3D is a
scenegraph API for 3D rendering. OpenGL is a low level graphics API. If
you started with zero knowledge about both, it would take about twice a
I'll be building a CAD application. Is Java3D mature enough for serious
commercial use? And can I count on Sun's support? How much do they charge for
support anyway?
Gili
On Wed, 9 Jul 2003 10:32:27 -0400, Yazel, David J. wrote:
>If you are going to stake your business on your 3D technol
Gili,
As Ben said, it depends on what you want to do. Java 3D is an excellent
way to rapidly get impressive 3D worlds built. (I'd say yes, it's a LOT
easier to do complex 3D in Java 3D than with an OpenGL binding but the
reverse could be said of a simple application) But it lacks low level
acce
message was sent before but had been returned with an error message.
- Original Message -
From: "Horst Walther (SiG)" <[EMAIL PROTECTED]>
To: "Discussion list for Java 3D API" <[EMAIL PROTECTED]>
Sent: Wednesday, July 09, 2003 4:26 PM
Subject: ... adding objects to a life scene
> Hi all,
One question that has yet to be answered:
WHY is Sun halting Java3D development? I read the old archives and no one
seems to answer that question.
Gili
On Wed, 9 Jul 2003 09:40:13 -0500, John Wright wrote:
>Gili,
>
>As Ben said, it depends on what you want to do. Java 3D is an
Be aware that Java 3D has nothing written for polyhedron or other shape
manipulation. That is, there is no "compute the shape resulting from the
intersection of 2 shapes", etc. You will have to write all the shape
manipulation yourself.
Also, I find that transparencies still give me a head ace.
If you are interested in the java3d v opengl binding debate read the below:
http://www.javaworld.com/javaworld/jw-05-1999/jw-05-media.html
thanks
Adam
- Original Message -
From: "Gili" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, July 09, 2003 4:14 PM
Subject: Re: [JAVA3D]
All of these problems are easily as severe when dealing with OpenGL directly - worse
in most cases.
Of the two, Java3D does a lot more for you.
-ben
-Original Message-
From: RWGRAY [mailto:[EMAIL PROTECTED]
Sent: 09 July 2003 16:17
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] Major probl
... thank you Ricardo,
your code example runs - so it's a real proof, that it works and how to
interpret your advice.
Well, I think I can restrict to a single appearance.
So I will try to implement according your example.
This was really the fastest and most convincing way to answer my question
Gili wrote:
I'll be building a CAD application. Is Java3D mature enough for serious
commercial use? And can I count on Sun's support? How much do they charge for
support anyway?
We have been working on getting X3D useful for CAD applications. X3D is
a high-level format for describing 3D d
... thank you John,
sorry for the inconvenience for sending this question again and even
threefold. - This was my first posting ever.
If only Branchgroups can be added / removed to / from a scengraph this mean
I have to put each sphere into a single Branchgroup.
I'm not sure if all these B
Hi all,
I'd like to use orbit behavior to fly around a
specific point, looking at this point (latitude [0-360] and same longitude)
First is it possible to use OrbitBehaviour
class and to derive it?
Should I wrote mine?
Do you have some simple examples in order to help me?
Basical
Horst,
There are pros and cons of various ways to represent your data.
Thousands of individual BranchGroups can become an issue.
What you might consider is detaching your BranchGroup (so it's no longer
live) adding making your changes and then reattaching it. A lot depends
on just what you are r
Hi again,
It is fairly important for me to be able to use Swing or Swing-like components (like context popup menus when you right-click on items or being able to display a JDialog containing object PROPERTIES) within a Java3D canvas.
What should I know up-front about doing this? I read somewh
Go to http://www.j3d.org and check out the FAQs to start with.
-ben
-Original Message-
From: Gili Tzabari [mailto:[EMAIL PROTECTED]
Sent: 09 July 2003 14:39
To: [EMAIL PROTECTED]
Subject: [JAVA3D] Java3D + Swing
Hi again,
It is fairly important for me to be able to use Swing or Swin
I've been hearing Java3D does not automatically calculate the intersection of two polygons to display them properly. Is this true? or maybe this is an advanced feature not everyone is familiar with? What happens when you've got one object passing through another and you want to render the result
Hi,
simply use the following in your code :
JPopupMenu.setDefaultLightWeightPopupEnabled(false);
- Original Message -
From: "Gili Tzabari" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, July 09, 2003 3:39 PM
Subject: [JAVA3D] Java3D + Swing
> Hi again,
>
>It is fairly
Wow, extremely useful. Are there workarounds for *all* Swing components when mixed
with heavyweight objects or are there some Swing capabilities you lose?
Gili
On Wed, 9 Jul 2003 18:44:38 +0100, [EMAIL PROTECTED] wrote:
>Go to http://www.j3d.org and check out the FAQs to start with.
>
>-ben
I've put a canvas3d in a JPanel. I divide the JPanel into different areas
and the canvas3d is in one of the areas and all my buttons are in another.
So the buttons, etc. are not in the canvas3d.
Cheers,
Bob Gray
-Original Message-
From: Discussion list for Java 3D API
[mailto:[EMAIL PROT
Hello list,
I decided to send this, to a random snapshot of people who might be
interested in testing out a bit of new technology. Hopefully reaching a decent
mix of technically minded
techno ''phobic'' people ;). It may be a bit out
of left-field, but I''m sure it''ll be of interest to some!
Basi
Unfortunately this won't work for me because I want to right-click on Java3D
object, get a context-sensitive window and pop up a dialog if the user selects
PROPERTIES on the object. I will be forced to mix Swing + Java3D on top of the same
viewable area.
Gili
On Wed, 9 Jul 2003 13:48:54 -04
Hi all,
I'd like to use orbit behavior to fly around a specific point,
looking at this point (latitude [0-360] and same longitude)
First is it possible to use OrbitBehaviour
class and to derive it?
Should I write mine?
Do you have some simple examples in order to help me?
Basi
Nick Collier wrote:
Thanks. You are, of course, correct. I guess what I'm asking is how much
"housekeeping" I have to do myself. If I translate the spheres in the
space, is there some method I can use to get the new center point of the
sphere (e.g. sphere.getCenter()) or do I have to translate the
is it possible to add Tooltip to java3D universe.
some shape3D objects i am displaying on the univers of 3D. if my mouse points any one
of the shape3D objects i need to display some msg as Tooltip. is this possible in
jav3D.
Regards
naveen babu chikkala
==
You cant even get away from spam on the java3D list...
-Original Message-
From: Discussion list for Java 3D API
[mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, July 09, 2003 10:52 AM
To: [EMAIL PROTECTED]
Subject: [JAVA3D] Anybody willing to help out?
Hello list,
> Date: Wed, 9 Jul 2003 15:05:49 +0200
> From: "Horst Walther (SiG)" <[EMAIL PROTECTED]>
>
> simple question: how can I add objects, e.g. simple spheres, to a life
> graph?
>
> Background is: I like to dynamically add 3d-datapoints read from a external
> data feeding device each minute to e
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