Could you please give me the link to the tron3d ?
-Original Message-
From: Corysia Taware [mailto:[EMAIL PROTECTED]]
Sent: Monday, April 02, 2001 8:43 PM
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] Overlay example?
Attached is a screenshot from a small OpenGL game called Orbit. This
sc
Hi everybody,
Increasing the memory did not help, so I created a Text2D with a relative
small point size (50) and scaled it with
Transform3D scalet3d = new Transform3D();
scalet3d.setScale(new Vector3d(100,100,100));
which is working fine.
My problem now is, I do have points which needs two lab
Is there a reason the constructor for the StripifierStats is not
public. Means that programs using the Stripifier cannot get stats back
about how well it did. This would be useful information for someone
using this package.
Also, I notice that the source for this is not included in the utils
di
Hi,
I am new to Java3d. I am moving an 3D
object(Cone) using Alpha and KBRotPosScaleSplinePathInterpolator classes, but i
would like to obtain the position of the object in the path at any perticular
time so that i can activate some event (like displaying an text etc. at that
point of time
I got J3DFly's collision detection to work using VPDriveCollision.
But, if my initial starting place is inside a building, the viewplatform
will jump onto the roof when I first start to move it. I would like it
to stay in the room where I placed it. I would later want to walk upon
the roof and th
I'm working on particle system. After experimenting with immediate mode
(which turned out to be about 4x slower) I've decided to use single
geometry with byref coordinates array for all particles of single type.
Now I have to decide if I want to use QuadArray or TriangleArray (with
two triangles
Hi,
I am new to java3d. I am moving an 3D object(cone)
using Alpha and KBRotPosScaleSplinePathInterpolator, but i would like to obtain
the position of the object in the path at any perticular time so that I can
generate events like writting a text or changing color of the cone
etc.
thank
Hi,
I am new to Java3d. I am moving an 3D
object(Cone) using Alpha and KBRotPosScaleSplinePathInterpolator classes, but i
would like to obtain the position of the object in the path at any perticular
time so that i can activate some event (like displaying an text etc. at that
point of tim
I get roughly the same as you do on my laptop with similar performance, 750MHz
PIII, 512MB on a 16Meg Rage ATI graphics card. I'm not convinced that the
hardware OpenGL acceleration is being used. There are a few bugs in 1.2.1 to do
with ATI cards so I'm expecting something a little faster in the
Hello.
I'm trying to make a video
image textured on 3D object using Java3D and JMF.
my program works as follows,
first, renderer plug-in handles video stream and returns BufferedImage to main
program, then, main program will use it as a texture on 3D object.
The problem
They start their downward vector at 10,000. Try setting the start of your
ray to the eye position and go downward. If you do this then you will not
be able to jump onto something higher than eye level. Obviously to do this
perfectly requires that your algorithm be designed to work within the
co
I ran similar tests which you can see on this list in an e-mail entitled
"performance analysis". I actually found triangles rendered faster than
quads in all scenarios. I am using a GeForce II. I think the performance
is due to drivers and card. I have never seen that kind of wierd cutoff at
1
Hi all !!
I'm working with OBJ and 3DS files. When I load 3ds files, they don't appear at the
center of the Canvas3D like the OBJ ones (I don't know why). I want to center them and
I think I have to set TransformGroup's with translation to set them in the center.
How can I get the position coor
You can query the bounds of the shape, then get the center of the bounds.
Dave Yazel
-Original Message-
From: Daniel Moscoso [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, April 03, 2001 8:40 AM
To: [EMAIL PROTECTED]
Subject: [JAVA3D] Centering a 3DS model in the Canvas3D
Hi all !!
I'm wor
you can get the center of mass and do an inverse transformation to take
the object to 0,0,0
center of mass can be calculated from averaging out the x,y,z
so add all x's and divide by number of x's to get center of mass x etc
~Shlomo
On Tue, 3 Apr 2001, Daniel Moscoso wrote:
> Hi all !!
>
> I'm
I think if you get the bounds.getCenter() it will
tell you the pos. of the center of the object..
- Original Message -
From:
Java
TLG
To: [EMAIL PROTECTED]
Sent: Tuesday, April 03, 2001 5:27
AM
Subject: [JAVA3D] Interactive
animation
Hi,
I am
Hi,
I'm new at Java3D. In HelloUniverse.java example ColorCube rotates on
y-axis.
How can i rotate it on x-axis or z-axis.
Transform3D xAxis = new Transform3D();
Thanks.
tanju
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Title: BranchGroup memory consumption
Hello all,
Did anybody notice that BranchGroups consume a lot of memory? We have one model that has about 2K of them, and some BGs include other BGs. Trying to increase performance we tried not to use them, but fps stayed the same. However memory usage d
Hi,
I solved the problem.
The problem is in MinimumSize. The minimumSize of the Panel which contains
the Canvas3D should be 0,0
With regards,
Karthik
- Original Message -
From: "Bo, Jianquan, myview" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, April 02, 2001 12:47 PM
Su
Hi,
I am getting
the default value of the Point3d object ie 0, here is part of my code.
/*code
behaviorBranch = new
BranchGroup();
bounds = new
BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0f);
// create normal
interpolator normalInterpolator
=
hi tanju,
i am new, too, but i found the following:
consider the default Transform3D is y axis, then rotate it 1/2 PI on x
axis and you'll get z axis Transform3D:
...
Transform3D yAxis = new Transform3D();
yAxis.rotX(Math.PI*0.5d); //*
...
t.e. add line * to rota
Hi,
I am getting
the default value of the Point3d object ie 0, here is part of my code.
/*code
behaviorBranch = new
BranchGroup();
bounds = new
BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0f);
// create normal
interpolator normalInterpolator
=
Hello !
Have I to get the coordinates of every Shape3d from the model ? What's the method to
get them ?
Many thanks !!
Dani
you can get the center of mass and do an inverse transformation to take
the object to 0,0,0
center of mass can be calculated from averaging out the x,y,z
so add all x'
You
need to get the bounds of the Node, cast it to BoundingSphere and get the
radius and center.
Dave
Yazel
-Original Message-From: Java TLG
[mailto:[EMAIL PROTECTED]]Sent: Tuesday, April 03, 2001
8:49 AMTo: [EMAIL PROTECTED]Subject: Re:
[JAVA3D] Interactive an
Hi all !
There are the methods: rotX, rotY and rotZ, depending on what axis you want to rotate
on.
Dani
hi tanju,
i am new, too, but i found the following:
consider the default Transform3D is y axis, then rotate it 1/2 PI on x
axis and you'll get z axis Transform3D:
...
Tran
"Yazel, David J." wrote:
>
> I ran similar tests which you can see on this list in an e-mail entitled
> "performance analysis". I actually found triangles rendered faster than
> quads in all scenarios.
I'm quite sure about that. Question is if quads render slower or faster
than double amount of
I have first working prototype of my particle system. It is just a proof
of concept, none of actual class hierarchy is done (this means that
source code is just a quick hack and slash). But it shows possible
performance of this particular solution.
I plan to shape everything in manageable/extenda
Hi,
I want to know how to make my graphics fully
visible in the canvas3D.
I am having a button to zoomIn my Box.
Let us assume if i zoomIn some 10 or 20 times , it
will be very big and
the box's bounds will be outof
Canvas3D.
I want to click one more button which will bring
back the b
We are
talking object bounds, not influencing bounds. They are two different
things.
-Original Message-From: Java TLG
[mailto:[EMAIL PROTECTED]]Sent: Tuesday, April 03, 2001
9:01 AMTo: [EMAIL PROTECTED]Subject:
[JAVA3D] Re.Re.Interactive Animation in java3d
I am wanting to create a cone, and place the
tip(the upper point) at a point in space. I always want the center of the bottom
to be at another place in space. How do I orient the bottom of the cone to
always point to the top and still look like a cone? Spliting the cone is no
biggy, it's kee
My tests were one quad = 2 triangles. Triangles still won. I was suprised
to say the lease, but the numbers were there. Remember some cards and some
drivers take quads apart and turn them into 2 triangles. Also, the vertex
buffer in some cards can cache vertex information for a few vertices, s
Hi,
I sent you the abstract already, now the complete paper is online:
http://www.iis.ruhr-uni-bochum.de/diplomarbeiten.html
Please send feedback to [EMAIL PROTECTED]
Best Regards,
Andreas
--
GMX - Die Kommunikationsplattform im Internet.
http://www.gmx.net
Dear all,
I am now plotting a 3d graph based on some stock data. I use a
LineStripArray to draw the line. How can I update the line at run time when
some new data arrive?
Thank you very much.
Regards,
Timmy
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To unsubscr
Hi,
I presume you've seen the JMF+3D example on Sun's
site. An excellent example with source for rendering any JMF stuff as a
Java3D texture by overriding the VideoRenderer.
Well worth a look even if you're not going to use it. You'll need to
install a JMF implementation (Win or Sun) off the
Dear list members,
I realized the other day that my Dell Inspiron 7000 Laptop was able to
produce stereo
imagery (frame sequential stereo) using Java3D for DirectX. For a time I
have this
laptop now I thought there was no way to produce stereo using the
intergrated
ATI Rage LT Pro inside.
The re
Hi everybody.
When create some textured object and then add then to Branch group, it takes
about 10Mb. OK.
But when I add a this BranchGroup to Universe, it takes in additional 8Mb.
So what does Java3D do when BranchGroup is adding to Universe to take so
much memory?
I got WindowsNT,RivaTNT2, j
Timmy,
Could you specify better how this data will be arriving ? |:0).
Timmy Tong schrieb:
> Dear all,
>
> I am now plotting a 3d graph based on some stock data. I use a
> LineStripArray to draw the line. How can I update the line at run time when
> some new data arrive?
>
> Thank you very m
Hi,
I did some try and error and got an approximate value for the length of my
string. Now I added the billboarding behavior.
Unfortunatelay my "left" labels are rotating around the new adjusted
x-coordinate, and not around the point.
Is there another way to place Text2D shapes on the "left" of m
Dear all,
I have a background thread listening on a servlet, when the stock data
changes, the servlet will response to the applet so the applet can get the
new data. After the data received, I want to update the graph.
For example, currently the price is $10.00 and the time is 10:00:00am, at
10:0
Well to be honest the last time I explained to someone what we are doing
they called it a "hack" and "useless", so I generally don't give that as an
option. It seemed clear to me that Corysia is looking for *true* overlay,
allowing her to alpha blend text and images into the screen, and place
non
I believe that unless your texture is by reference Java3d creates a
*retained* version (as it does for everything) For most things this copy is
not that expensive, but for geometry and textures it is *quite* expensive.
When I profile my application I see approx 40 percent of my memory being
store
This should be added to J3d.org or the Java3D faq I believe.
Syrus Mesdaghi wrote:
> Hello Josh,
>
> I saw Kelvin's post regarding the "bug", but I'm not sure if you have found
> a work-around yet. If you haven't, you can try the following.
>
> I've dealt with this problem many times and it all
Hello David,
Tuesday, April 03, 2001, 7:29:48 PM, you wrote:
YDJ> I believe that unless your texture is by reference Java3d creates a
YDJ> *retained* version (as it does for everything) For most things this copy is
YDJ> not that expensive, but for geometry and textures it is *quite* expensive.
Title: RE: [JAVA3D] Overlay example?
Dave,
I am interested in doing something similar to what you describe. I have some components that I want to have appear on top of a Java 3D canvas. So I have added these components to a JWindow object, but it still does not quite work correctly. Some
We're using an off screen buffer and have several simple shapes identified but
text names using Text3D. In order to keep the text in the correct orientation
we've used OrientedShape3D.
This has worked fine up until the point we actually used the Off screen buffer.
The text itself doesn't seem to
Mona Wong wrote:
>
> Hi Artur:
>
> > http://thenut.eti.pg.gda.pl/~abies/j3d/particle.html
>
> When I tried, I got an error message:
>
> Applet Particle Test class Particle Test could not be loaded.
Strange. It works for me. Are you sure you have java3d 1.2.1 ? I use
OrbitBehavior, so if y
If you just set the coordinates to 0,0,0 with a transform3D and then
TransformGroup.setTransform(Transform3D); this shut do the trick
- Original Message -
From: "Daniel Moscoso" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: dinsdag 3 april 2001 14:40
Subject: [JAVA3D] Centering a 3DS
giles wrote:
>
> Is there a reason the constructor for the StripifierStats is not
> public. Means that programs using the Stripifier cannot get stats back
> about how well it did. This would be useful information for someone
> using this package.
If you construct the Stripifier with the COLLECT
Title: RE: [JAVA3D] Overlay example?
Just
build the JWindow with your base frame or dialog as the owner: JWindow jw = new
JWindow( (Window)ownerFrame ); All the JWindows created in this manner will stay
on top of the main window. When the main window is moved, just have a
listener setup to cat
Andrey,
We're interested in your finding, esp. how the scene is constructed.
Do you have a test program for us ?
Chien Yang
Java 3D Team.
> X-Priority: 3 (Normal)
> Mime-Version: 1.0
> Content-Transfer-Encoding: 7bit
> Date: Tue, 3 Apr 2001 20:49:03 +0300
> From: Andrey <
Hi Yohan,
DirectX version of Java3D support stereo when the
driver expose the capability DDCAPS2_STEREO. The way
to construct stereo surface is pretty standard as shown
in the DirectX shipping SDK samples. It is up to the
graphics driver to handle this. Some graphics card
may choose to support
Title: RE: [JAVA3D] Overlay example?
Dave,
One
important detail I forgot to mention... my application's main window is derived
from JApplet (i.e. my application is actually an applet), but JApplet is not
derived from Window. I knew that I could parent a JWindow to another
object derived from
Title: RE: [JAVA3D] Overlay example?
Andrey,
How do you find out information like this? I've
created an application in Java 3D and I get out of memory exceptions. How do you
moniter how much memory is being consumed for particular parts of the program?
If what's been said today about the me
DX 7 does provide stereo support.
it can be tested for ( in DX, not Java ) via the ddcaps.dwcaps2 caps
bits, when DDCAPS2_STEREO is set the ddcaps.dwSVCaps bit is enabled to
indicate the card supports stereo mode. The driver can do stereo in at
least one mode other than the current mode. The appl
Hi Artur,
There are two reasons why QuadArray is significantly slower
under DirectX version of Java3D:
(1) Quad primitive is not support by DirectX (unlike OpenGL)
So in v1.2.1 we create an index for Quad and draw it using
DrawIndexedPrimitiveStrided()
This works fine when the
Thanks. Realized when I awoke this morning that that might be the
issue. Problem with posting a "bug" in the wee hours of the morning.
Andrea Tartaro wrote:
>
> giles wrote:
> >
> > Is there a reason the constructor for the StripifierStats is not
> > public. Means that programs using the Stri
Is there anyway to calculate the time between set
intervals.(like at the beginning of a scene creation and the end to see exactly
how long it takes?
Zak
Ok guys, I am
getting the following error when I try to run this applet through the web. It
works fine if I run it from dos prompt or my local drive as an
applet.
Link to my site is http://www.geocities.com/ahmedbinshakil/Kawa/album.html
Uncaught error fetching image:
java.lang.NullPointerEx
Hi John, Lee:
Bug 4433354 -
Intermittent hang the OS when Java3D startup if Sound is used
is submitted for investigation. Thanks for your time to help
us tracking down the problem.
- Kelvin
---
Java 3D Team
Sun Microsysetms Inc.
>Date: Mon, 02 Apr 2001 15:53:40 -0600
>From: John
Even
the TextureTest demo, which comes with Java3D, doesnt work when I put it on the
server... Any body? Any Idea?
-Original Message-From: Ahmed Shakil
[mailto:[EMAIL PROTECTED]]Sent: Tuesday, April 03, 2001
1:06 PMTo: [EMAIL PROTECTED]Subject: [JAVA3D]
texture images in an appl
Hi John,
We can reproduce the problem and bug 4433400 is filed
for this.
Thanks for your bug report.
- Kelvin
-
Java 3D Team
Sun Microsystems Inc.
>X-Unix-From: [EMAIL PROTECTED] Tue Apr 3 10:04:56 2001
>X-Accept-Language: en
>MIME-Version: 1.0
>X-OriginalArrivalTime: 03 Apr 2
Works fine for me. . .
-Paul
> MIME-Version: 1.0
> Date: Tue, 3 Apr 2001 14:25:01 -0700
> From: Ahmed Shakil <[EMAIL PROTECTED]>
> Subject: Re: [JAVA3D] texture images in an applet
> To: [EMAIL PROTECTED]
>
> Even the TextureTest demo, which comes with Java3D, doesnt work when I put it
on the se
I just went back and did a search in the Java3D archives for "overlay" to
see what other people have discussed before. I'm shocked. As early as
1997, people have been posting on this list, trying to find an answer to
overlays in Java3D.
Some of the posts I found interesting were these:
http://a
Title: RE: [JAVA3D] Overlay example?
Hi
all,
Very
good article on Java3D performance optimisation (and general Java optimisation)
in Feb2001 Javareport.
This
artilcle is not online but I'm sure you can get a back copy, or ask them for
one.
Power
JavaHigh-Performance Java Software Develop
http://java.sun.com/products/java-media/jmf/2.1.1/solutions/DemoJMFJ3D.html#requirements is a tutorial
on how to "Render Live video on a 3D surface".
-Original Message-From: Discussion list for Java 3D
API [mailto:[EMAIL PROTECTED]]On Behalf Of SW
KeumSent: Tuesday, April 03,
Title: RE: [JAVA3D] Particle system
I ran this on IE and get the following error:
ava.lang.InstantiationException: ParticleTest
at com/ms/applet/BrowserAppletFrame.newInstance
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.processSentEvent
Hi people,
This question maybe look like strange, but I'll do this.
Where and How can I do for swap buffer of a Canvas3D running in offscreen
mode?
(since off-screen Canvas3Ds must not be added to any container).
I will need to add a component in a container an link it with a Canvas3D,
but what
I will second that. I would put its priority right below the 1.3 features
of alpha sorting and 3d extensions (environment mapping, etc). If I thought
we could get pixel shader support anytime soon I would put that on the high
priority list too.
Dave Yazel
- Original Message -
From: Cor
Hi,
thanks for the help. but bounds.getCenter()
and bounds.getRadius() always gives me the same value no matter
where the object is positioned.
/* my code **
BoundingSphere bounds1 =
(BoundingSphere)cone.getBounds(); Point3d currpt = new
Point3d(); bounds1.get
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