[JAVA3D] Performance - Start up Time

2002-07-29 Thread Ravi Goel
Hi everybody, When we run our application for the First time, then the application seems to take longer time when compared to the second, third or subsequent times. This happens not only with our application but even with the Java Examples. So can anybody tell us, what does the JVM do when the A

Re: [JAVA3D] Performance - Start up Time

2002-07-29 Thread Artur Biesiadowski
Ravi Goel wrote: > Hi everybody, > > When we run our application for the First time, then the application seems > to take longer time when compared to the second, third or subsequent times. > This happens not only with our application but even with the Java Examples. > > So can anybody tell us, wh

Re: [JAVA3D] ading objects by the push of a button?

2002-07-29 Thread Karl Parry
Just wanted to say cheers for the advice, it sorted a lot out! I'll soon have a piece of code that works correctly, i think? Thanks again! KP --- Katja Loescher <[EMAIL PROTECTED]> wrote: > Hi Karl, > > I am not quite sure what the reason for your error > is, but there is an > example program i

[JAVA3D] Test, don't ignore :)

2002-07-29 Thread Jason Taylor
Hmmm... last two messages I've sent have not come back to me, although I am still receiving from the list. Jason. ==To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-IN

[JAVA3D] Reuse geometry (again :)

2002-07-29 Thread Jason Taylor
Sorry if you get this again, I seem to have intermitant problems posting to this list. I'm feeling with drawl symptoms from j3d.org already. :) Can someone confirm for me how you go about 'reusing geometry' in order to reduce memory usage. What I've tried is; newNode = node.cloneTree(); ne

[JAVA3D] loader

2002-07-29 Thread Cris
Hi. I'd like to know what java 3D loader for VRML97 for j2sdk1.4.0. Thank you for your answers. Cristiane. - URI - Campus de Santo Angelo-RS http://www.urisan.tche.br ===

[JAVA3D] Vertex and Pixel shaders, floating point color, etc

2002-07-29 Thread Michael Latta
The latest generation of hardware from ATI and the upcoming one from nVidia have a number of features that will make for much more real images. Of particular interest are programmable shaders for both vertices and pixels, and floating point color. The color thing should not be hard since J3D alr

[JAVA3D] GeometryArray: cannot directly access data in BY_REFERENCE mode

2002-07-29 Thread Cyril Zorman
does someone have any ideas of when the bug 4690609 will be fixe and what to do for the moment because using the old method need lot of changes in the code. I really need to use the by_REFERENCE bit to increase the performe of my work Cyril ===

Re: [JAVA3D] picking and dragging

2002-07-29 Thread White Morph
Yes, you can, I guess. I did sth like: pick any vertex on a geometry object, drag and drop it to change the geometry shape. It's not so easy. Refer to the PickRotateBehavior, PickTranslateBehavior class, it may be helpful, but those classes have problems of not considering view orientation as

[JAVA3D] LOD, Billboard Trees to 3D Trees transitions

2002-07-29 Thread Smith, Daniel
Title: LOD, Billboard Trees to 3D Trees transitions I was playing Motocross Madness 2 this weekend--the amount of detail in that game has always astounded me, even by today's standards.  I was trying to work out how they manage to throw so many trees and scenery objects at you without hurting

[JAVA3D] TextureCubeMap stitching bug?

2002-07-29 Thread Christian Zanardi
Hello, in a message dated 08/05/2002 Patrick Schafer mentioned a problem for texture stitching on TextureCubeMap (see attached file). I have exactly the same problem and I cannot find any answer to this problem. Any ideas on how to remove this? It is really annoying on many 3d models especially b

Re: [JAVA3D] choosing path

2002-07-29 Thread Katja Loescher
Hi Georg, thanks for your answer. I really appreciate it. My problem is that I want the user to be able to open ANY j3d file e.g. some downloaded or self programed virtual world. That means there is no switch group in that file. All functionality has to build into my application (main window). U

Re: [JAVA3D] incorrect BoundingSphere for indexedGeometry and some other problems(A simple code is attached)

2002-07-29 Thread White Morph
>Actually the bounds compute is just bigger and not technically not wrong >as long as it enclose the geometry. > Java3D specification didn't enforce the tightest bounds on the >geometry. So GEOMETRY based picking (instead of BOUND based picking) >should always use in your case. > You are right, t

Re: [JAVA3D] choosing path

2002-07-29 Thread Josh Richmond
Hi Katja, If you are loading a 3D file, e.g., a VRML file, you can just add a switch node to the base node of the loaded scene graph. josh Joshua L. Richmond, BASc, MSc. Systems Engineering (R&D) MD Robotics 9445 Airport Rd, Brampton, ON,

Re: [JAVA3D] choosing path

2002-07-29 Thread Georg Rehfeld
Dear Katja, > My problem is that I want the user to be able to open ANY j3d file e.g. some > downloaded or self programed virtual world. That means there is no switch > group in that file. All functionality has to build into my application (main > window). Unfortunately I can't come up with anyth

[JAVA3D] Java 3D FAQ Weekly Posting (29 Jul 2002)

2002-07-29 Thread The Java 3D FAQ
The Java 3D Frequently Asked Questions list for Monday July 29 2002 This is a posting of topics covered in the Java 3D FAQ. The answers to these questions are kept at: http://www.j3d.org/faq Please consult this list and the web site before asking questions on the mailing list. If ther

[JAVA3D] Starfire loader Appearance...

2002-07-29 Thread Philip Wong
Dear All, I am trying to load 3DS files into my applet with the Starfire loaders. I use the Inspector3DS loader without any problems. However, the loader returns a TransformGroup and I can't find a way to set the appearance of the model. Does anybody know a way? Thanks in advance. philip wong

Re: [JAVA3D] fail to create 3d device - 8877602aa

2002-07-29 Thread Kelvin Chung
Asaf Dafner wrote: > Hi all, > > I have a canvas3D on a JPanel in a dialog. It behaves badly (will not > paint correctly). Further more, I get the following errors (not allways > though): > > fail to create back buffer - DDERR_INALIDPARAMS > fail to create 3d device - 8877602aa > I use Java 1.4 a

Re: [JAVA3D] GeometryArray: cannot directly access data in BY_REFERENCE mode

2002-07-29 Thread Mark Hood
> Date: Mon, 29 Jul 2002 15:52:21 +0200 > From: Cyril Zorman <[EMAIL PROTECTED]> > > does someone have any ideas of when the bug 4690609 will be fixe and > what to do for the moment > because using the old method need lot of changes in the code. > I really need to use the by_REFERENCE b

Re: [JAVA3D] GeometryArray: cannot directly access data in BY_REFERENCE mode

2002-07-29 Thread Mark Hood
> Date: Mon, 29 Jul 2002 12:41:39 -0700 > From: Mark Hood <[EMAIL PROTECTED]> > > The synopsis line of bug 4690609 is a little misleading. The bug is actually > a bug in j3dfly; it tries to use getCoordinates() on a GeometryArray that was > created with BY_REFERENCE access semantics. To

[JAVA3D] j3d.org and I are back

2002-07-29 Thread Justin Couch
Well sorta. Sorry about the delay everyone. Being away at Siggraph didn't help getting the ISP changeover going smoothly. All my sites are slowly getting back online now. I need to get the dynamic updating from CVS going again (all the CVS sites have disappeared). If anyone tried to send me per

[JAVA3D] Help reg working of Java 3D

2002-07-29 Thread vomsh
Hi, I am new to the field of 3D programming. I am working on Linux environment and have installed java1.2.2 (JDK) earlier. Now I have installed java3D API fron the sun.java.com for linux. I wanted to check the correctness of the installation and I ran HelloUniverse. I get the following error. Xli

[JAVA3D] Xj3D Status and Siggraph stuff

2002-07-29 Thread Justin Couch
Ok, so it looks like the list is still talking to me even after having the entire system go flatline for a week. Alan and I were away at Siggraph so things didn't get sorted out too quickly. Anyway, I thought I'd just drop the list a bit of a status report and let you know what's happening in the

[JAVA3D] How to Work with Alpha Textures

2002-07-29 Thread Justin Couch
Well, after much wailing and gnashing of teeth, I *finally* worked out how to get Alpha textures working under Java3D. It appears there are no bugs in Java3D's implementation, only some really weird expectations and dodgy documentation - Kelvin's post of a couple of weeks ago help sort that out. S

[JAVA3D] Bump-Mapping Demo

2002-07-29 Thread Wolfgang Kienreich
Hi all! Let me thank you for your interest in my bump/environ code. When I answered Kevin's initial mail, I didn't expect fifteen follow-ups all requesting that piece of code :-))) Never mind, as the interest in that kind of things seems to be high, I'm going to do a true demo with bump/light/en