Re: [JAVA3D] Java3D scalability - any thoughts?

2001-03-06 Thread Michael P. McCutcheon
Although I don't have much experience with Java3D, I used to do VRML programming, and all I can say is the best way to test scalability is to write some sample code and see how it does. Nothing fancy, just get something going and test frames per second, with textures, without, etc. Although you p

[JAVA3D] Where is src.jar

2001-03-06 Thread beomeun kim
Hello, I can find src.jar in JDK2.* to see source file, but in Java3D where is source file of Java3D API? === :: Distributed Multimedia Computing Laboratory 17 haegdang-dong Seongdong-gu, Hanyang University, Seoul, Korea :: Homepage http

[JAVA3D] Java3D scalability - any thoughts?

2001-03-06 Thread Peter Schuller
Hello, I am wondering; has anyone had any experience with using Java3D for very complex scenes? By "complex" I mean UT/Quake3/DoomIII style (except more complex in some respects; but nevermind). A bunch of us are in the process of beginning a pretty ambitious game project. We've pretty much deci

[JAVA3D] Demos for JavaOne?

2001-03-06 Thread Michael P. McCutcheon
Anyone who's "in the loop" know what is going to be at the JavaOne conference this year related to Java3D? Any cool demos or things in the works that we can look forward to? Mike === To unsubscribe, send email to [EMAIL PRO

[JAVA3D] Input Devices

2001-03-06 Thread Jonathan Albert C. Vallar
Hi! I have browsed through the Java3d Demo applets and have found out that a way to use buttons to manipulate viewplatorm transformgroups is through the use of inputdevices and have sensors that manipulate the associated transform. I thought that using the Wakeuponelapsed frames will let me able

Re: [JAVA3D] AxisAngle4f to Matrix4f to Quat4f bug?

2001-03-06 Thread Kelvin Chung
Hi Joel, Bug 4422372 - Quad4f/Quad4d set(Matrix m) may initialize quad element to NaN is filed for this. It is cause by numerical stability when the rotation component of matrix is very close to zero which should return quat(0,0,0,1). Thanks. - Kelvin Java 3D Team Sun Microsys

Re: [JAVA3D] Head Tracking problems in j3d1.2

2001-03-06 Thread Kelvin Chung
Hi Jean, A bug 4422288 - View not updated for Head track environment is filed for this. However this is too late to fixed in v1.2.1 release. There is a workaround by adding a dummy wakeupOnElaspedFrame(0) behavior to force rendering every frame. Thanks. - Kelvin -- Java 3D Team

[JAVA3D] Is the platform geometry updated on a different thread from the view?

2001-03-06 Thread Young Ly
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

[JAVA3D] [Java] Calculate Distance

2001-03-06 Thread Gupta, Vineet ERDC-TEC-VA
I want to calculate shortest distance from an triangular array (with say 400 points) to a point above in the sky. For example, if I am at a point (100, 100, 1000), and the point in the triangular array directly below is (100, 100, 152), what is the best way to calculate the change in elevation (1

Re: [JAVA3D]

2001-03-06 Thread Paul Pantera
> X-Priority: 3 > X-MSMail-Priority: Normal > X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 > Date: Mon, 5 Mar 2001 16:36:11 -0500 > From: Leonid Perlov <[EMAIL PROTECTED]> > Subject: [JAVA3D] > To: [EMAIL PROTECTED] > > I have some problems using java extension to load applet after hav

Re: [JAVA3D] Java timer, frame/time based calculations

2001-03-06 Thread Fred Klingener
Here's an ugly little program I wrote to probe this interaction between Behaviors and the OS clock. By poking around some, I persuaded myself that the WakeupOnElapsedTime() Behavior was driven by the same mechanism as the Object.wait() method. The enclosed application gives the following output:

[JAVA3D] AxisAngle4f to Matrix4f to Quat4f bug?

2001-03-06 Thread J. Lee Dixon
While debugging a problem with my home-grown 3DS loader, I found something (wrong?) with going from AxisAngle to Matrix to Quats. 3DS format stores rotations in AxisAngle format. I use these to load a Matrix so I can "sum-up" rotations (using matrix multiplies of course). Then, I set a Quat with

Re: [JAVA3D] PointAttributes.setPointSize()

2001-03-06 Thread Kelvin Chung
Hi Mathias, Point size is not support by DirectX version of Java3D due to the limitation of DirectX 7.0. But it will support later with porting to DirectX 8.0. A list of features not support by Java3D v1.2.1 DirectX version are: Line width Line antialiasing Point size Point a

[JAVA3D] Orbit behavior

2001-03-06 Thread Sackmunky
Is it posible to add Orbit behaviors to other thing than a ViewingPlatform? Is it posible to have many Locales(each objects coord system) using this one orbit behavior?   Please help.   Zak

[JAVA3D] Edith

2001-03-06 Thread Edith
Javier,,, Soy yo otra vez, que plomito, no??? Es una preguntita solamente, decime en que empresa sacaste tu pasaje y cuanto te salio. Además contame un poco el tema de los vencimientos. -Un beso Saludos de mi mama que acaba de pasar por la office a visitar a la nena osea yo. Edith   Edith

Re: [JAVA3D] Virtual GIS on Java3D

2001-03-06 Thread Michael Schulman
I am still checking for you, but I dont think they have done anything with J3D or JAI. > X-Unix-From: [EMAIL PROTECTED] Wed Feb 28 21:24:28 2001 > X-Priority: 3 > X-MSMail-Priority: Normal > X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 > Date: Thu, 1 Mar 2001 10:43:29 +0530 > From: ke

[JAVA3D] Avatar geometry

2001-03-06 Thread Paulo Soares
What is the best way to add geometry of the viewer ? Thanks

[JAVA3D] BoundingPolytope usage

2001-03-06 Thread Manu Eapen Varghese
Hello, I need to create a BoundingPolytope from a set of planes, that give a convex intersection. I have the equation of the each plane: ax + by + cz + d = 0 where (a,b,c) is the normal pointing _into_ the bounded volume. BoundingPolytope has a constructor that takes in an array of planes in the

[JAVA3D] Locales

2001-03-06 Thread Sackmunky
I am wanting to add objects with their own locale at runtime. What is the best way to do this?      Thanks, Zak

[JAVA3D] More Bounds questions

2001-03-06 Thread J. Lee Dixon
Okay, here's another question on Bounds that I haven't figured out yet. I finally figured out that to get the bounds of a Shape3D (or any Node) in virtual world coordinates, to do the following: void printBounds( Node n ) { Bounds b = new BoundingSphere( n.getBounds() ); Transform3D xform =

[JAVA3D] FW: [JAVA3D] disappearing texture - multitexture add.

2001-03-06 Thread Stedum, Harry van
Some more on multitexturing: elsewhere in my app I'm using multitextureing with which I had an issue, also when switching pages; this problem was solved by upgrading the graphics card driver (we use Matrox G450); so you may also want to look in that direction ... Harry > -Original Message---

[JAVA3D] admin: lightcircle@yahoo.com bounce

2001-03-06 Thread Stedum, Harry van
On posting to this mailing list I get a bounce from <[EMAIL PROTECTED]>; at first I thought it was the mailing list itself but it seems to be a member which fell off; could someone at the mailing list look at this? Thanks, Harry ==

Re: [JAVA3D] disappearing texture - workaround for J3D v1.2 - sol ved in J3D v1.2.1 b2

2001-03-06 Thread Stedum, Harry van
Let me post a summary of my experiences up till now: I had this disappearing texture issue while using Java3D v1.2. Upon upgrading to J3D v1.2.1 beta2 the problem was fixed. Other problems were introduced and since we are not using Java SDK/JRE 1.3 for our project, and this is a recommendation, w

[JAVA3D] test

2001-03-06 Thread Desiree Hilbring
sorry test oo | Desiree Hilbring Institut fuer Photogrammetrie und Fernerkundung | | Universitaet Karlsruhe, Germany | |

[JAVA3D] PointAttributes.setPointSize()

2001-03-06 Thread Mathias Stümpert
Hi there,   I'm working with VisAD, a java class library of the SSEC Visualization Project. There I posted a problem about setting the pointsize in a java3D-scene. Bill Hibbard, the developer of VisAD told me to post my problem here because he thinks it's a java3D problem. He said it has to d