Hi Kelvin,
well, by using v1.2.1 beta2 I had my textures back, which solved my original
problem, but elsewhere in my app I saw changes that i've not seen before: on
pages unrelated with the textured object, I lost complete subtrees out of my
scenegraph ... I related this to some bugs in the new bu
Dave,
I hit exactly this problem also. I ended up writing
a piece of native code to get the time more accurately
which helped a little.
The Windows source code follows, in case it's any use to you.
Rob
NativeClock.java:
package rob.util;
public class NativeClock
{
static
{
Sy
Hi Justin !
>
> Code repository is going strong.
> - Added a Canvas3D that you can capture images from
> - Now has a makefile system.
> - InputDevice and navigation device implementations are on their way
> - All code at least compiles :)
For what Input Devices are you coding ? I would need
"Dipl. Ing. Paul Szawlowski" wrote:
> For what Input Devices are you coding ?
I'm re-working a File based input device (reads datapoints from a file
to drive the input - great for testing!) and I also have the
joystick/mouse/keyboard input devices from the guy that runs j3d.de.
These layer over
Fiasco,
Because Sun will shortly be releasing code that allows us to save our
scenes in a more efficient "native" format (that allows loading from
URL) we don't intend to put any effort into making our 3DS loader handle
URLs. We will continue to enhance our loader such that it is a valuable
tool
can anyone provide me with pointer to some sample code to apply a picture
as a decal texture to a preexisting shape?
thanks in advance,
~S
===
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
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Hello John,
Even though the Detonator drivers USUALLY perform better than the Elsa
drivers, some times they are not as reliable (we have had Detonator drivers
that crashed win2000). My suggestion is that you try to use the latest
Detonator drivers, but when you run into difficulty, try the latest
I have created a textured globe with transparent
satellites around it. Whenever I zoom out, and the satellite is on the z axiz
looking at me( the viewer) it disappears until you move it enough to get it off
the texture
Any suggestions?
Zak
I am playing with Node.getBounds() (for doing run-time transparency
ordering), and was expecting a different behavior out of the getBounds()
call. For example, if I make a 2x2x2 cube, I expect a bounding box to
be (-1,-1,-1) to (1,1,1). But then if I put a TransformGroup above the
shape with a t
We've also noticed disappearing textures in our terrain visualization app.
We store several hundred textures for the terrain tiles in a quadtree, and
use a level of detail algorithm in conjuntion with a Switch node to enable
and disable the terrain tiles that are visible. This works fine, and all
Hm, maybe it's this:
Transform3D xform = new Transform3D();
Node.getLocalToVworld(xform);
Node.getBounds().transform(xform)
I love answering my own questions. ;)
-Lee
> -Original Message-
> From: J. Lee Dixon [mailto:[EMAIL PROTECTED]]
> Sent: Monday, March 05, 2001 11:13 AM
> To: [EM
Just to reaffirm, this is a known issue with system times on Windows
system. You can do a search on System.currentTimeMillies or something
similar on the archive.
David wrote:
> We do our view changes and animations per frame, using elapsed time to
> calculate rotations in degrees/sec and movem
This isn't really a driver tweak, it's just a render option.
When vertical sync is on, the entire 3D canvas will be refreshed in sync
with the vertical refresh, which forces the app to run no faster than
the vertical sync of your monitor settings.
However, if you turn it off, the app frame will u
Hi Harry,
The bug 4399760 -
Multiple views config. might not show all visible objects in every view
mention is already fixed in the upcoming v1.2.1 release. It also
fix 4421284 which may cause geometry in whole scenegraph lost.
Since texture works fine in v1.2.1 beta2, it is recommend you
ca
Hi all:
I am trying to get a handle on managing the sorting of transparent
vegetation. My first stab at it used an ordered group, with each shape
being in a seperate branch group. After the user moves a short distance I
check to see if the nodes are out of order (based on distance from eye to
c
FYI, A while back we had to change all our behaviors to be frame based
instead of delta time to get smooth motion.
Accurate time would be nice.
David wrote:
> What about the javax.media stuff?
>
> http://java.sun.com/products/java-media/jmf/2.1/apidocs/javax/media/SystemTi
> meBase.html
>
> The
This might have something to with your hardware setup too. I am noticing no
tearing at all, in fact the only changne I can see is faster framerates.
Dave Yazel
- Original Message -
From: Shawn Kendall <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, March 05, 2001 12:49 PM
Subj
Thanks everyone for all your answers on this topic. Is seems the consensus
is there no "good" way to do it under windows 9x. The options are JNI,
estimation based on frame rate and possibly JMF library time support.
Thanks again for the input,
Dave Yazel
- Original Message -
From: Rob
You will only notice the tearing if you change the scene or view
rapidly. Also, you may not notice it at all until you know what to look
for. It's a very briefly redraw type tearing in a moving poly, not
unlike dragging a window very fast.
It's there, believe me! :-)
David wrote:
> This might
Checked it out. The API is nanosecond, the resolution is 10ms in W2k :-((
Doesn\'t help...
> David wrote:
>
> > What about the javax.media stuff?
> >
> > http://java.sun.com/products/java-media/jmf/2.1/apidocs/javax/media/SystemTi
> > meBase.html
> >
> > They say the time is to the nanose
Just to throw in a cautionary note. The JMF Media Time is not
a good solution because even through it has a method called
getMediaTimeNanoSeconds (or something like that) it has the
same flaw as getMillis(). Both methods are named in a misleading
way and only give precission in the 10's of millis
Hi Justin,
ImageComponent2D comp =
new ImageComponent2D(ImageComponent.FORMAT_RGB, img);
In current implementation,
comp.getImage() will not return the same img reference
when byReference = false.
When byReference = true it may or may not give return
the same reference handle depending on w
Hi Justin,
My mistake in the last email. When byReference = true
it should return the same reference, otherwise it is a bug.
Thanks.
- Kelvin
---
Java 3D Team
Sun Microsystem Inc.
>X-Unix-From: [EMAIL PROTECTED] Mon Mar 5 11:20:51 2001
>MIME-Version: 1.0
>Content-MD5: A5XKFNd62H+r
Hi Sun & Java 3D developers & :
Is there a URL that lists the current Java 3D bugs that Sun knows about
and what are being worked on?
I think I've found a bug. According to the doc at
http://java.sun.com/products/jdk/1.2/docs/api/java/awt/GridLayout.html#GridLayou
t(int, int,
>
>This is great stuff, but I need more help on your terminology:
>
>A Behavior is instantiated, initialized (with Bounds set here?), attached to
>a scene graph, and the scene graph made live.
>
>When viewer "activation radius" and Behavior "scheduling region (bounds)"
>intersect, the Behavior is
The Java 3D Fog node does not have volume semantics. It is exactly like
the fog specified in OpenGL and Direct3D. To do volume based fog, you
may have to look at other ways of doing it. Particle systems and texture
mapping techniques are two avenues to explore. It depends upon the look you
are
I ran a little experiment. I put 1000 flowers into the scene (thats 2
shapes each) using links and shared groups. With say, 500 visible at one
time. The first time I put them in an ordered group and the fps was 5. The
second time I jumbled them into a single branchgroup. The fps was then 17.
>MIME-Version: 1.0
>Content-Transfer-Encoding: 7bit
>X-Priority: 3
>X-MSMail-Priority: Normal
>X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200
>Subject: [JAVA3D] Ordered Groups and Optimizations
>To: [EMAIL PROTECTED]
>
>Hi all:
>
>I am trying to get a handle on managing the sorting of tra
The state sorting structure that we use does treat ordered groups
differently because of their extra semantics, but you should not see
this much of a drop. Especially if the only thing you are changing
is a transform. This sounds like a bug in our stuff.
As for transparency/opaqueness changing
I have some problems using java extension to load applet after having
installed my components on user machines.
Although all the components are downloaded and installed properly the class
loader does not
load the classes from Jre\1.3\lib\ext directory. When I start the browser
again the loader fin
I have an experiment where the subject drives around a room
and touches cubes in order to play videos in the VR environment.
The Videos are mapped onto a bigger cube. I am using
the model supplied in the JMF Collateral where you specify
the texture as by Reference and use the custom VideoRender
to
Did
you also try -ms256m?
Dave
-Original Message-From: Discussion list for Java 3D
API [mailto:[EMAIL PROTECTED]]On Behalf Of Alex
TerrazasSent: Monday, March 05, 2001 2:36 PMTo:
[EMAIL PROTECTED]Subject: [JAVA3D] Playing a JMF
TextureI have an
experiment where the sub
Hi Everyone,
We are trying some particle effects in our program. They work well and
look really cool (If I must say so myself : ) Unfortunately the effects
seem to have introduced a bug.
All our animations are changed on a single j3d wakeuponframeElapsed(0)
behavior.
We use platform geometry to
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