Re: [JAVA3D] Position in the world

2002-02-04 Thread Todd J.
Geal, Your view platform will be located at (x, y, z) = (0, 0, 0) unless you have one or more TransformGroup(s) connecting the view platform to the "locale" defining your origin in the "universe." This TransformGroup will have a Transform3D object that can be accessed via TransformGroup.getTran

Re: [JAVA3D] OpenGL Texture Mapping etc..

2002-02-04 Thread Web Master
Gulp! Well, first of all, i'm in love with Cosm already. Your new tree is sublime.. wow! Also i love you AI, and the kind of drifting of states, like food and character condition, even experience in some areas as you explore others, etc. I'm amazed that this can be accomplished. Also, your We

[JAVA3D] Position in the world

2002-02-04 Thread Gael
Hi everyone, I use the getViewingPlatform method in order to travel in my world. I try to get the coordinates ofmy position in the world. I used the getLocalToWorld method but I have several errors such as, capability not set... so I setted up, or node not in the live scene... So, I would li

Re: [JAVA3D] Performance of Appearance Changes

2002-02-04 Thread Doug Twilleager
We don't actually do any synchronization as it is traditionally defined. We do some updates when the Renderer is not running, but we don't acquire a lock to do the updates. It happens in other ways to allow for more parallel processing. We do use messages, and it is true that setting many small

Re: [JAVA3D] Performance of Appearance Changes

2002-02-04 Thread Doug Twilleager
What do you mean by faster? Is the frame rate faster? Or, does faster mean the actual execution of the code below? Doug Twilleager Java 3D Team Sun Microsystems >Delivered-To: [EMAIL PROTECTED] >MIME-Version: 1.0 >Subject: [JAVA3D] Performance of Appearance Changes >To: [EMAIL PROTECTED] > >He

Re: [JAVA3D] Performance of Appearance Changes

2002-02-04 Thread Artur Biesiadowski
Mauricio Vives wrote: > Does that make sense? If so, why would building and setting the > Appearance object be faster than adjusting a few values on an existing > Appearance object? Thanks for any insight. Are you talking about live object ? If yes, then for every change java3d needs to send

[JAVA3D] Performance of Appearance Changes

2002-02-04 Thread Mauricio Vives
Hey folks,   We have observed some interesting behavior when setting Appearance attributes on large scene graphs, and I was wondering if anyone could comment on this.   We have found that building and setting the Appearance object (from scratch) on a Shape3D node is actually faster than setting

Re: [JAVA3D] Transparency and Ordered Groups (solution)

2002-02-04 Thread Mauricio Vives
Title: RE: [JAVA3D] Transparency and Ordered Groups (solution) Hey folks, Regarding the transparency sorting problem I described in my message from Friday 1/25, we have found a reasonable solution.  See the copied message below for details on the problem. To recap, we want to render a stand

Re: [JAVA3D] OT: http://www.sword-and-sorcery.com/

2002-02-04 Thread David Yazel
Yes, I am happy to say our project is 100 percent Java / Java3d. Dave Yazel === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email

[JAVA3D] OT: http://www.sword-and-sorcery.com/

2002-02-04 Thread Raúl
- Original Message - From: "David Yazel" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, February 04, 2002 7:41 PM Subject: Re: [JAVA3D] OpenGL Texture Mapping etc.. > Well I think you may have been misinformed regarding texture mapping, unless > you are referring to some OpenG

Re: [JAVA3D] URGENT!!!:About picking

2002-02-04 Thread Lan Wu-Cavener
You may set object name for each of your components by using UserData class. But I believe that each component has be a Shape3D(). At 11:45 AM 2/4/2002 +0800, you wrote: >I think you can not obtain the name of the component using the methods, you >should first calculate the coordinate of this

Re: [JAVA3D] how do I ignore vertex colors ?

2002-02-04 Thread David Yazel
RenderingAttributes.setIgnoreVertexColors() A tip is to go to the JavaDoc index and search for words in the browser. That is helpful when dealing with such a big API. Dave Yazel - Original Message - From: JP Lee <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, February 04, 2002

[JAVA3D] how do I ignore vertex colors ?

2002-02-04 Thread JP Lee
Hi:   The documentation for ColoringAttributes states:   "When vertex colors are present in unlit geometry, those vertex colors are used in place of this ColoringAttributes color, unless the vertex colors are ignored."   OK, so how do I "ignore" vertex colors ??? Can't seem to find it anywhere.

Re: [JAVA3D] OpenGL Texture Mapping etc..

2002-02-04 Thread David Yazel
Well I think you may have been misinformed regarding texture mapping, unless you are referring to some OpenGL extensions. Java3d certainly handles texture mapping. It is true, you cannot access openGL directly from Java3d because Java3d is platform independent and works with DirectX as well as O

Re: [JAVA3D] Setting of capabilities from VRML loader

2002-02-04 Thread Justin Couch
Alex Bowden wrote: >>You might want to be careful here. We set most capability bits >>beforehand, so you might be wasting effort. >> > > I agree - however it would be awfully nice if I didn't have to walk the tree > at all, but instead could give you a template describing the capabilities > that

[JAVA3D] OpenGL Texture Mapping etc..

2002-02-04 Thread Web Master
Is it true that Java3D doesn't handle texture mapping? If so, how does it solve this problem? Are there extensions to handle this or is it possible to write it yourself? Also, i read that you can't access OpenGL directly with Java3D. Is that so? If not, is there a way to have more control ove

[JAVA3D]

2002-02-04 Thread Charles Bell
Yes I did, Charles * Good fix, Did you report that also to the author? Pasi -Original Message- From: Discussion list for Java 3D API [mailto:[EMAIL PROTECTED]]On Behalf Of Charles Bell at home Sent: 3. helmikuuta 2002 1:21 To: [EMAIL PROTECTED] Subject:

[JAVA3D] OpenGL Texture Mapping etc..

2002-02-04 Thread Web Master
Is it true that Java3D doesn't handle texture mapping? If so, how does it solve this problem? Are there extensions to handle this or is it possible to write it yourself? Also, i read that you can't access OpenGL directly with Java3D. Is that so? If not, is there a way to have more control ove

Re: [JAVA3D] J3d crash

2002-02-04 Thread Chien Yang
David, From the trace, I can only guess that Java 3D encountered problem when updating it's ordered collection in response to an OrderedGroup addition. Can you send us a test program ? - Chien Yang. Java 3D Team. > Delivered-To: [EMAIL PROTECTED] > MIME-Version: 1.0 > Content-Transfer

[JAVA3D] Java 3D FAQ Weekly Posting (04 Feb 2002)

2002-02-04 Thread The Java 3D FAQ
The Java 3D Frequently Asked Questions list for Monday February 4 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 t

Re: [JAVA3D] Limit of 32 Canvas3D

2002-02-04 Thread Chien Yang
Hannes, It is a limitation of current Java 3D implementation. - Chien Yang Java 3D Team. > Delivered-To: [EMAIL PROTECTED] > User-Agent: Mozilla/5.0 (Windows; U; WinNT4.0; de-DE; cebit) Gecko/20010131 Netscape6/6.01 > X-Accept-Language: de > MIME-Version: 1.0 > Content-Transfer-Encodin

Re: [JAVA3D] Java3D for PS2?

2002-02-04 Thread Juergen Kreileder
Joachim Diepstraten <[EMAIL PROTECTED]> writes: > Third. Even if there is Linux on PS2 OpenGL or even a high-level API > is still far away as SONY's GPU/CPU-Architecture is very special and > not seen anywhere else. Sames goes to Java if I remember correct > there is only a Java-Linux for i686 an

Re: [JAVA3D] switch w/childMask - cry for help again

2002-02-04 Thread David Yazel
Pertinant code snips: showMask = new BitSet(2); showMask.clear(0); showMask.clear(1); switchNode = new Switch(Switch.CHILD_MASK,showMask); //switchNode.setWhichChild(Switch.CHILD_NONE); switchNode.setCapability(Switch.ALLOW_SWITCH_READ); sw

[JAVA3D] Unmotivated changes of appearances

2002-02-04 Thread Karsten Fries
Hi there, i've some problems with Java3D 1.3 beta 1. Sometimes, while just rotating the scene, the appearances of some shapes change or even start flickering. The change can happen from frame to frame. I think there's is something wrong with the state sorting. Going back to the 1.2.1_03 release i

[JAVA3D] switch w/childMask - cry for help again

2002-02-04 Thread Lan Wu-Cavener
Hi, everyone: I have not been successful in creating switch with childMask. Could any one who had a successful experience using this type switch node send me an example? Your help is very much appreciated. Thanks in advance! Lan Wu-Cavener Research Associate and Programmer Dept. of Landscape Ar

[JAVA3D] J3d crash

2002-02-04 Thread David Yazel
I am getting this error when attaching an extremely large scenegraph. It does not always happen, just sometimes. java.lang.IndexOutOfBoundsException: Index: -1, Size: 9 at java.util.ArrayList.RangeCheck(ArrayList.java:503) at java.util.ArrayList.get(ArrayList.java:315) at

[JAVA3D] Limit of 32 Canvas3D

2002-02-04 Thread Liedl Johann
Hi, Why Java3D does not support more than 32 canvas (see bug id:4359764)? Is it really a bug in Java3D or only a limit, that comes from OpenGL API? Will these bug be fixed in the next release? Thanks Hannes === To unsubscri

[JAVA3D] Setting of capabilities from VRML loader

2002-02-04 Thread Alex Bowden
In reply to >> After the loader returns various additional things happen to the scene >> returned by the loader - like I tree walk it to set capabilities and then I >> compile it. Justin said > You might want to be careful here. We set most capability bits > beforehand, so you might be wasting

Re: [JAVA3D] URGENT...About AWT event

2002-02-04 Thread SUBSCRIBE JAVA3D-INTEREST clsiu
Hi Karsten, I've got the reply from you. In fact the implementation of this behavior is quite critical for my project..which is a cluster monitoring system with VR support. There's many computer (3D graphic) which from the point of Shape3D view, each 3D graphic should content many component

Re: [JAVA3D] Orbit behaviour problem

2002-02-04 Thread Ingo Brunberg
Hi Ewan, I think this is bug 4485481 (OrbitBehavior resets position after ViewPlatform is translated). The README coming with Java 3D 1.3b1 mentions that bug 4504083 (OrbitBehavior resets X and Y direction) is fixed, but unfortunately this is only because it's a duplicate of bug 4485481. There wa

Re: [JAVA3D] URGENT...About AWT event

2002-02-04 Thread Karsten Fries
Hi Siu, yes, that is possible. But you have to intersect your scene while moving the mouse, or after the mouse rested for a certain period on a coordinate. For computing intersections you can use the picking utilities int the com.sun.j3d... package. But note that this calculation can make your

Re: [JAVA3D] How to set the capability for vertex count?

2002-02-04 Thread Catalin Barbulescu
Hi, try something like this: PickTool.setCapabilities(new Box(x,y,z,myAppearance), PickTool.GEOMETRY); Catalin Barbulescu OTTO Software Development Bucharest, Romania -Original Message- From: Discussion list for Java 3D API [mailto:[EMAIL PROTECTED]]On Behalf Of Siew Ching Tan Sent: