[JAVA3D] Screen Saver by Java 3D

2003-01-28 Thread AndY GaN
Hello to everybody here i'm beginner to Java and Java 3D, but i'm going to develop a screen saver implemented by Java 3DMy concept is include several geometry and 3D text and making its move around.some setting likes numbers of shape(geometry),speed of movement,shape color,texture,light

[JAVA3D] View problem

2003-01-28 Thread Nirun Sereesontivong
Hi I want advice and help I want my scene move follow object. It's like first person view. I don't know how to solve this problem. I think use interpolator with multitransformgroup rigth? please help _ The new MSN 8: smart spam

Re: [JAVA3D] advice needed about animation

2003-01-28 Thread Nirun Sereesontivong
You should calculate delay time each 1 interpolator, so i get delay time for next alpha value. From: "A. Murat Tanyer" <[EMAIL PROTECTED]> Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] Subject: [JAVA3D] advice needed about animation Date: Tue, 28 Jan 200

[JAVA3D] about line. Help!!

2003-01-28 Thread Xiao hua Xian
Dear all,      I connect two box with one line. When I use mouse to move one of the box, the line should go along with it.  But how can I get the new transform of the moved box dynamically? I only get it once of the original transform.   Thanks a lot!         BG

Re: [JAVA3D] ViewPlatfotm related problem...

2003-01-28 Thread Frank Bellegarde
Seems to work great, thanks! FB --- "ZACZEK, MARIUSZ P. (MARIO) (JSC-DM) (NASA)" <[EMAIL PROTECTED]> a écrit : > This is something I answered a couple of days ago > for someone and I believe > this may be your problem as well...it has to do with > clipping distances... > here is what I wrote: > >

Re: [JAVA3D] ViewPlatfotm related problem...

2003-01-28 Thread ZACZEK, MARIUSZ P. (MARIO) (JSC-DM) (NASA)
This is something I answered a couple of days ago for someone and I believe this may be your problem as well...it has to do with clipping distances... here is what I wrote: most likely this is due to the back clipping plane distance...you'll have to reset your views backclip distance: view

[JAVA3D] ViewPlatfotm related problem...

2003-01-28 Thread Frank Bellegarde
Hi all, I'm working on a virtal lab that requires the use of virtual measuring equipments. The the problem is that i can't get near enough of the target objects: they disapear as the collide with the viewplatform. I tried reducing the viewPlaform's transformGroup, wich brings another problem: far

Re: [JAVA3D] Java matrix solvers

2003-01-28 Thread Frank Bellegarde
Hi I have methods that performs row reduction, if thats what you mean. Let me know if that interests you. FB --- Alejandro Allievi <[EMAIL PROTECTED]> a écrit : > Hi all, > > This question may not seem appropriate in this list > but, > since it is associated with my Java3D code, I will > give >

Re: [JAVA3D] Java matrix solvers

2003-01-28 Thread Raj N. Vaidya
>On Tue, 28 Jan 2003 11:33:50 -0500, Alejandro Allievi <[EMAIL PROTECTED]> >wrote: >Hi all, > >This question may not seem appropriate in this list but, >since it is associated with my Java3D code, I will give >it a try. > >Does anybody know of Java libraries for sparse matrix >solvers? I searched

Re: [JAVA3D] behavoir class

2003-01-28 Thread David Zwarg
Be sure to call setSchedulingBounds( ... ) on your behavior after you create it. David Zwarg Instrumentation Engineer 510.291.6159 >-Original Message- >From: Brobbey,Isaac (neuron) [mailto:[EMAIL PROTECTED]] >Sent: Tuesday, January 28, 2003 10:20 AM >To: [EMAIL PROTECTED] >Subject: [JAV

[JAVA3D] behavoir class

2003-01-28 Thread Brobbey,Isaac (neuron)
Dear all: i will be glad if any one can carefully check this code and tell me what is wrong with it. it work, or print out anything when i instatiates it. thanks, Isaac class PickBehavia extends Behavior { //WakeupCriterion mouseCriteria; BranchGroup branchGroup; Can

[JAVA3D] Java 3d research material???

2003-01-28 Thread philip robinson
Hey guys, does anyone know where I can get hold of Java 3d academic material on the internet, if so please contact me I despereately need to get my research underway before development can begin. Cheers folks, PhilWith Yahoo! Mail you can get a bigger mailbox -- choose a size that fits your needs

Re: [JAVA3D] AW: [JAVA3D] Draw Bezier curve in Java3D

2003-01-28 Thread White Morph
Hi Florin, >If you want to change the geometry of a live object, then there is only one >way: use geometry by reference and change the geometry only within the >updateData method of your GeometryUpdater. Not necessarily, I think. If you set capabilities to write coordinate before make the scene

Re: [JAVA3D] Local Coords difference from VRML

2003-01-28 Thread Philip J Colbert
Not to worry guys I have found out what the problem was and for future ref I have included my solution in brief! The early versions of the pick tool routine looked like this:- pickCanvas.setMode(PickTool.GEOMETRY_INTERSECT_INFO); pickCanvas.setTolerance(0.0f); pickCanvas.setShapeLocation(xpos, y

[JAVA3D] Java matrix solvers

2003-01-28 Thread Alejandro Allievi
Hi all, This question may not seem appropriate in this list but, since it is associated with my Java3D code, I will give it a try. Does anybody know of Java libraries for sparse matrix solvers? I searched the Web without success. Any help will be greatly appreciated. Alejandro ===

[JAVA3D] AW: [JAVA3D] improving performance in access to multidimensional array element s

2003-01-28 Thread Florin Herinean
Title: improving performance in access to multidimensional array elements Actually, in the case of bigger arrays (over 60 x 60 elements), the fastest way to copy them is using System.arraycopy. You can insert the following code into MatrixCopyTest and see it for yourself.       startTime =

[JAVA3D] AW: [JAVA3D] improving performance in access to multidimensional array element s

2003-01-28 Thread Florin Herinean
Title: improving performance in access to multidimensional array elements Well, I don't pretend that I have *the* answer, but I think that in the second test you pass a treshold where the hot spot compiler jumps in. If it sees that a certain computation takes exceedingly long time, that's a *

Re: [JAVA3D] improving performance in access to multidimensional array element s

2003-01-28 Thread Nathan Bower
Title: improving performance in access to multidimensional array elements Hi Alan,   Great program! I have a question for you - I use 2D arrays of integers in my program either of 400x400 cells or 800x800 cells, and operate on the values (perhaps 5-10 accesses to each value) individually. I c

[JAVA3D] Problem with collisions

2003-01-28 Thread Jose Angel Aragon
I havae adde a branchGroup a behaviour whose wake up cirterio is WakeUpOnCollisionEntry and i fixed the schdulingBounds wit this sentence miBehaviour.setSchedullingBounds(new BoundingSphere(miBranchGroup.getBounds()) That wors proprely but when i need to quit this branchGroup from my scene i make

Re: [JAVA3D] Java3d 1.3 with JRE 1.4.1_01-b01

2003-01-28 Thread Robert, Jerome
You are right. I tried to run my program on an other PC (with a decent graphic card) and it works. Thanks a lot, Jerome. -Message d'origine- De : Jacky Rymasz [mailto:[EMAIL PROTECTED]] Envoyé : mardi 28 janvier 2003 11:27 À : [EMAIL PROTECTED] Objet : [JAVA3D] Réf. : [JAVA3D] AW: [JAVA3

[JAVA3D] Réf. : [JAVA3D] AW: [JAVA3D] Java3d 1.3 with JRE 1.4.1_01-b01

2003-01-28 Thread Jacky Rymasz
This kind of problem happens to me when I've got a Java app running and I try to run a J3D app in the same time generally, it kills both of my processes... I have to shut down all java process if I want the J3D app to run properly. But I think it's because I'm working on NT4 with a very low har

Re: [JAVA3D] Local Coords difference from VRML

2003-01-28 Thread Philip J Colbert
Justin A week or so ago I sent a mail to this news group about a problem I was getting when loading a VRML shape and when I was picking it to query the Local coordinates I was getting unexpected results in that I should have been getting clicks in the range 1.6 to 0.0 instead I was getting 0.8 to

[JAVA3D] AW: [JAVA3D] Java3d 1.3 with JRE 1.4.1_01-b01

2003-01-28 Thread Florin Herinean
I think you should update the video drivers. The exception is happening outside java. Maybe also updating directx will help. Florin -Ursprüngliche Nachricht- Von: Robert, Jerome [mailto:[EMAIL PROTECTED]] Gesendet: Dienstag, 28. Januar 2003 11:07 An: [EMAIL PROTECTED] Betreff: [JAVA3D] J

[JAVA3D] Java3d 1.3 with JRE 1.4.1_01-b01

2003-01-28 Thread Robert, Jerome
When I try to run my program under Windows 2000 SP2, with Java3D 1.3 and JRE 1.4.1_01-b01, I get the following error : An unexpected exception has been detected in native code outside the VM. Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x6958AB9A Function=DrvValidateVersion+0x71F

Re: [JAVA3D] installing java3d 1.3

2003-01-28 Thread Anett Berger
Hi, I think vecmath is no class but a package... So you should "import javax.vecmath.*;" greetings Netti > > Hi, > I'm very very beginner in java3D , > ive downloaded java3d 1.3 SDK and install it on jdk1.3.1 but when i tried > to import > > javax.vecmath this error was appeared : > > > test.java:

[JAVA3D] AW: [JAVA3D] Réf. : [JAVA3D] installing java3d 1.3

2003-01-28 Thread Florin Herinean
You're right, I have't seen that. Florin -Ursprüngliche Nachricht- Von: Jacky Rymasz [mailto:[EMAIL PROTECTED]] Gesendet: Dienstag, 28. Januar 2003 10:14 An: [EMAIL PROTECTED] Betreff: [JAVA3D] Réf. : [JAVA3D] installing java3d 1.3 To import the full package you need to write: import ja

[JAVA3D] AW: [JAVA3D] installing java3d 1.3

2003-01-28 Thread Florin Herinean
There are two possible things that you should check:   1. the installation went wrong. 2. you are compiling using a different jdk than the one in which you have installed j3d.   Cheers,   Florin -Ursprüngliche Nachricht-Von: D Snitch [mailto:[EMAIL PROTECTED]]Gesendet: Dienstag

[JAVA3D] Réf. : [JAVA3D] installing java3d 1.3

2003-01-28 Thread Jacky Rymasz
To import the full package you need to write: import javax.vecmath.*; If you need only a class from the package, write: import javax.vecmath.; In your code, you are trying to import a class named "vecmath" which doesn't exist Jack

[JAVA3D] installing java3d 1.3

2003-01-28 Thread D Snitch
Hi,I'm very very beginner in java3D ,ive downloaded java3d 1.3 SDK and install it on jdk1.3.1 but when i tried to import javax.vecmath this error was appeared : test.java:1: cannot resolve symbolsymbol  : class vecmathlocation: package javaximport javax.vecmath; ^1 error what's the pro

[JAVA3D] AW: [JAVA3D] Draw Bezier curve in Java3D

2003-01-28 Thread Florin Herinean
> Problem 1: ... >TransformGroup pointGroup = new TransformGroup(pointPos); >pointGroup.addChild(point); >tg.addChild(pointGroup);//tg is the tranform group passed in > ...} > I got this error message: > "Exception occurred during Behavior execution: > javax.media.j3d.Restri