Well, I've actually given up and won't be on this list after today, unless
I subscribe again later at a different address, but in case it helps anyone
else here is my HTML file. I'm afraid it's weird and cluttered; I've
always been a little bit vague about how all the different ways of
including
>did you add the codebase attribute?
>archive="Viewer.jar, MS3DLoader.jar,
>ledatastream15.zip">
Yes. I've tried it with a dot, with the actual path to the applet, and
without the codebase attribute.
I wonder if I've got any chance of getting a different loader to work by
the end of today. I'm
>Just a guess...
>I had a similar problem with the .obj file loader until I realized that the
>texture loader wasn't using the current directory to look for the specified
>texture file. Try specifying the path of your vrml file; e.g., VrmlLoad
>.\vrml_file.wrl The texture loader might use that pat
>You can define the classpath needed with the syntax below. This is how I
>display my applet. I haven't worked with the NCSA loaders, so your mileage
>may vary.
>
>
>
>All the jars will be loaded over the net rather than off your local drive.
Thanks Kevin... this sounds good, but doesn't actua
Apologies if this is a stupid question, but how do you use a loader in an
applet? I'm trying to convert my application using the NCSA loaders to an
applet, and I get
>>
java.lang.NoClassDefFoundError: ncsa/j3d/loaders/ModelLoader
at soccer.client.LoadedModel.(LoadedModel.java:55)
>I am currently animating imported VRML97 models using Sun's old VRML/Java3D=
> loader. While I don't import VRML behaviours, it's a similar problem to =
>yours, so you might be able to use the same approach.=20
>
>Basically, I tag the nodes of my model in the VRML with DEF tags:
>
>DEF rootNode T
What I am trying to make is a program with animated humanoids walking and
running around, at a rate and in a direction which may vary from frame to
frame. It would be good if I could make them fall over from time to time,
and so on, as well. Right now, I am managing to import models just about
o
Isn't Java's Lightwave loader (com.sun.j3d.loaders.lw3d.Lw3dLoader)
supposed to handle LWO files? The J3D.org listing says LWO, but it seems
like it only works with LWS files - all the LWO ones I've tried give me
'Exception parsing file: java.io.IOException: Bad String Token (wanted
LWSC, got
FOR
Joachim, your advice sounds very sensible - I found the other lib\ext
directory, but it won't let me write anything to it - it says 'The source
file may be in use,' erroneously. I'm baffled by this.
Further to my previous query, I realised that I hadn't been getting the
same error as Adrian befo
Scratch that - it turns out I just needed to include jre\lib\ext in my
classpath. This seems pretty weird to me - it looks like it's finding the
Java3D jars in the same directory without havingto be told where to look.
Anyway, it's working now and that's the main thing.
Apologies if I've wasted
Did anyone ever solve this? It sounds like I'm getting almost exactly the
same error Adrian had - I can compile my file which is supposed to use the
NCSA Portfolio loader, but when I try to run it I get 'Exception in thread
"main" java.lang.NoClassDefFoundError: ncsa/j3d/loaders/ModelLoader.' My
>> always this slow in Java3D, or is my graphics card to blame or something?
>Definitly your GFX-Card. Matrox G200 is a business office card not a
>3d/gamer card so it's fillrate is awfull low. I would suggest to upgrade
>it at least to a G400 which is equal to a TNT2. I think the G200 lies
>somew
Is the OpenGL Full-Screen 'workaround' technique of using a Window object
sized to fill the current screen enough to gain the full advantage of
hardware acceleration? Does it depend on what graphics card you're using?
I'm using a Matrox Millennium G200, in case that makes a difference. My
progr
Is it possible to find out what frame rate a Java3D app is running at? It
seems like an obvious thing that almost every Java3D programmer would want
to use at some point, but I've been searching around for one without
success...
Thanks
- Fergus C. Murray
http://fergusmurray.members.beeb.net/
J.D.:
>Yes you can use transform3ds directly on Vector3f, Point3f, etc. Which
>comes handy IMHO. I use it from time to time without a TG.
So you can. I admit I'd missed that.
A.R.T-C.:
> In addition, one of the heuristics for OO design is to make each class
> represent one concept.
Can someone explain to me why the functionality of Transform3D isn't just
built into TransformGroup? A TransformGroup always has exactly one
Transform3D associated with it, doesn't it? Is there any way to use
Transform3D other than as a component of a TransformGroup? Wouldn't it
save quite a lo
I want to make my camera orbit my scene when someone moves a slider. The
obvious way to do this would be to transform it some way away from the
action, and then apply a rotation. However, after quite a few hours of
struggling with the problem I'm still baffled about how I can do this using
a Sim
Francesco,
It would be great to have a database of downloadable motion-captured
animation data available. What form are you storing the data in? You
might find it useful to talk to some H-Anim (humanoid animation) people
about this, assuming it is humanoids whose motion you are capturing...
v
How about filtering out attachments to this list which are over 100k or so?
I'm on such a fast connection at work that I haven't been bothered on this
particular list, but it seems to me that the capability to send
bandwidth-guzzling, inbox-overloading monster attachments is far more
trouble than
>The way I understand it, the only way we're guaranteed that the
>rendering thread won't step on scene graph updates (or vice
>versa) is for us to complete all the scene graph updates in the
>processStimulus() method of an active Behavior.
Yes... Soon after I posted that message I tried changing
I'm just going to copy Jeff Kesselman's responses to this from the H-Anim
list...
>>
At 02:29 PM 7/25/01 -0400, P. Flavin wrote:
> A new Java Games API will support Networked Games,
>and Java & VRML work together for fast animation
>with Java3d and does games on the web without Java3d.
Um, I'
I forgot to attach the complete source to the previous message. Here it
is, just in case.
//Comment out the following package statement to compile separately.
// package com.javaworld.media.j3d;
import java.awt.*;import java.util.*;import java.awt.event.*;import
javax.media.j3d.*;import javax.
I've been experimenting with animating a swarm of T's based on a trig
function, and most of the time it looks okay but sometimes the trailing T
jerks horribly, and sometimes the whole lot do. Is this likely to be just
because I'm not using behaviours to control the animation, or might
something e
Thanks a lot Charles, Corysia...
I've now deleted the Classpath entry thoughtlessly inserted by QuickTime,
and it's all working fine. How infuriating (yet characteristic) that
Micro$oft completely changed the procedure for editing Classpath, while
leaving the old method apparently available but
Well,
I managed to find out about the Java2 plugin HTML thing... I just needed
to include 'Swing' in my search, even though I'm not actually using Swing.
I've realised that specifying the -cp . option with java.exe allows me to
run applications in the current directory (why does the correspo
Okay,
I figured out that the HTML file was failing to specify Java2 for some
reason, so by butchering an HTML file that did I was able to fix it and can
now run the example applets in alright NS. I'm a bit surprised that the
examples I'm working with came with HTML which doesn't do the job, thou
Hello all,
I seem to remember I had Java3D applets running alright a couple of weeks
ago (before I was seriously considering using it myself), but now when I
try to run one I get 'Applet Tennis1 class Tennis1 got a security
violation: method verification error' in NS, or
'com.ms.security.Secur
Perhaps I'm just being dense, but I get the impression that Java3D
Behaviors and Interpolators are good for doing things which you know the
'shape' of in advance, and/or things which are triggered by user
interaction, but not so great if you want to do something like read a
stream from a network a
Does anyone know if anyone has given any serious thought to using POV-Ray
as the basis for realtime 3D graphics - perhaps using a POV-Ray loader for
Java3D? I've always thought POV-Ray was a rather beautiful language -
enormously much more elegant and powerful than VRML, for instance - and it
str
>I believe most VRML browsers just ask for the HTML Browser's VM and fire
>the code to that. Basically that means the same restrictions as any
>applet.
Right... yes, I thought this was more-or-less what was going on.
> See the DIS-Java-VRML working group as they do a lot of
> networking + script
>I doubt it. Somehow I'm still on the list there (the bloody thing
>refuses to remove my subscription - says I'm not subscribed!) and there
>is one email every couple of months. Basically the working group wound
>up when I left it. Not much extra work was done after that. The spec was
>done and wa
>> disappointingly slow - I'm struggling to get 10 fps with 22 boxes and a
>> sphere, and although that's with a fair bit of other processing going on I
>Hmm that's quite a lousy performance don't you think this could be a
>problem related to the VRML viewer? Maybe no HW-Acceleration
>support.
I'
>I have seen your message. I am also going to work on a project of using
>VRML, Java3D and Java EAI. Would you give me some journal or paper about
>using the JAVA EAI and why you feel it is not good? I would like to get some
>more details before I move to Java 3D.
There are quite a few tutorials,
Motjaba,
I think there is actually quite a lot of demand for *any* MPEG4 BIFS
encoder/decoder/player which works properly. You may just be asking the
wrong people. I don't know if you've tried any of what's available by way
of players, but from what I understand there is currently much left t
Cheers Justin, Tina...
What I'm doing involves a Java program (applet, for preference) controlling
a bunch of 3D figures as per a stream coming in - in its current
incarnation, the figures are just VRML boxes but ideally, in the end, it
would be nice if they look at least a bit like humans - with
Hello everyone,
I've been working with Java and VRML using the EAI, but I'm being
frustrated by the sloth of it, its habit of causing a time-consuming Access
Exception every single time I leave Netscape in spite of apparently
scrupulous resource-freeing, and also the fact that it doesn't seem t
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