Re: [JAVA3D] Rotations

sure there is a more efficient way to do it. Thanks -Bob Dengle >From: Fred Klingener <[EMAIL PROTECTED]> >Reply-To: Fred Klingener <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Re: [JAVA3D] Rotations >Date: Tue, 5 Mar 2002 09:44:46 -0500 > >From: Asaf Dafn

Re: [JAVA3D] GUI navigation in VR world

-Bob Dengle >From: Gerard Peregrin <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Re: [JAVA3D] GUI navigation in VR world >Date: Fri, 22 Feb 2002 13:14:12 EST > >In a message dated 2/22/02 3:0

Re: [JAVA3D] Open Scene Graph vs. Java3D

what you are interested in, why not write your program in C++? there is no advantage to making a Java binding to OpenSceneGraph. Just my $.02 -Bob Dengle >From: Mario Juric <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PR

Re: [JAVA3D] texture problem in wireframe

nates() methods to add them to your geometryarray -Bob Dengle >From: Arwiyanto Asrori <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: [JAVA3D] texture problem in wireframe >Date: Mon, 21 Jan 2002 19:3

[JAVA3D] Averaging rotations

ll it average the rotations? Will i keep asking questions? :-) Thanks Bob Dengle _ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp. =

Re: [JAVA3D] Getting models from blender to Java3D

rd to process. >From there youd probably have to write a loader for the file format you chose (or the format you made up) in order to process animation. As for which file format to save into, I think the most reliable one is the .dxf format. Blender's VRML1.0 seems to be iffy at best. -Bob D

[JAVA3D] New version J3DFlyThrough?

Hi On the Java3D homepage it says that the j3dflythrough release 1.0 is available to download, but on the download page it says that it is still beta 2. Is that the release edition? or is there a link that hasnt been updated yet? Also if anyone is interested java3d version 1.2.1_03 came out rece

Re: [JAVA3D] Computing intersections with the PickConeRay in a Scene

Hi Use the new picking classes in package com.sun.j3d.utils.picking.behaviors instead of the deprecated ones in com.sun.j3d.utils.behaviors.picking B.D. >From: "Mark A. Tapia" <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: [JA

Re: [JAVA3D] Kinematic Inversions (Was: Java3D - Rubic's Cube)

Hi Instead of organizing and reorganizing the scene graph so that you have the proper nine cubes that need to rotate together, why don't you rotate each individual cube? You would define a cube that had colored faces, and that could rotate in certain predefined ways on its own (or by passing data

Re: [JAVA3D] Windows 98 and ATI Graphics Card

Hi Do you have the most recent drivers for your graphics cards? B.D. >From: Joe Boccanfuso <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: [JAVA3D] Windows 98 and ATI Graphics Card >Date: Fri, 3 Aug 2001 14:42:57 -0400 > >Hell

Re: [JAVA3D] plz Explain!

Hi One thing you could do would be to set a flag and then tell the thread to wait for a certain length of time. Meanwhile, another thread waits to see if there is another click. If there is another click in that time interval, it removes the flag and notifys the first thread. The first thread che

Re: [JAVA3D] Graphics2D affine transform operations in a Canvas3D

Hi Try getting an image of the canvas in your postRender() method and applying your Java2D transforms to that. B.D. >From: Richard Bragg <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: [JAVA3D] Graphics2D affine transform oper

Re: [JAVA3D] boundingleaf issue

Hi I think there is a misunderstanding in how the bounding leaf system works. When you attach the same bounding leaf to the viewplatform, lights, and behavior, it doesnt mean that they are all active inside that bounding leaf. Rather, the boundingsphere is drawn around each of the three objects.

Re: [JAVA3D] the object disappear if i set a material.

Hi In case you're interested, normals are used for calculating lighting. A shape without normals means that no lighting can be applied, so it appears completely black. B.D. >From: Borja Marcos Suárez <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL

Re: [JAVA3D] Adding and removing nodes to a live scene

Hi Try setting the appropriate capability bits (BranchGroup.ALLOW_DETACH) and calling the BranchGroup's detach() method. B.D. >From: "Altshooler, Rakefet (MED)" <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: [JAVA3D] Adding a

Re: [JAVA3D] Text3D vs. Texture

Hi It is possible to keep a label constantly in front of an object. A very simple way of doing it is to take the old position vector of the label and the current vector from the view to the center of the object. You can turn one vector into another by normalizing the current view vector and multi

Re: [JAVA3D] Plz Explain!

Hi What is happening is that you are trying to assign the faces of the box to two different parents- the Box and the BranchGroup (or TG) that you assign the Shape3Ds to. Your call to Box.getShape(i) returns a reference to the same face used in the Box, not a seperate object. When you try to assi

Re: [JAVA3D] plz help!

Hi I think its because Primitive keeps track of the individual Shape3Ds that make it up. That way when a transform is applied, Primitive applys it to its child Shape3Ds. When you detach a part of the primitive it objects and refuses to work until the removed parts are reattached. For what you wan

Re: [JAVA3D] perpendicular text

Try attaching a Billboard behavior to your labels B.D. >From: SUBSCRIBE JAVA3D-INTEREST aaron <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: [JAVA3D] perpendicular text >Date: Wed, 11 Jul 2001 22:06:49 -0700 > >I am creating a

Re: [JAVA3D] Rotating One Vector Into Another

transformation? That way, I could constrain it and then calculate the Transform3D, saving some cpu time by not having to do it twice. B.D. >From: Bob Dengle <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Re: [JAVA3D]

Re: [JAVA3D] Rotating One Vector Into Another

ond. > >Vector3d temp = new Vector3d(first); >temp.normalize(); >temp.scale(second.length()); >second.set(temp); > >Dave Yazel > >- Original Message - >From: Bob Dengle <[EMAIL PROTECTED]> >To: <[EMAIL PROTECTED]> >Sent: Saturday, July 07, 2001 1:40

[JAVA3D] Rotating One Vector Into Another

Hi I have two vector3ds. I want to rotate one so that it falls along the same line as the other. Does anyone have any suggestions on how to do this? I know how to compute the angle between the two vectors, but how do I go from there to a rotation matrix? Thanks in advance. B.D. _

Re: [JAVA3D] appletizing

pening files should be used when using URLs instead of >Strings? > >Thanks > >Nathan >- Original Message - >From: "Bob Dengle" <[EMAIL PROTECTED]> >To: <[EMAIL PROTECTED]> >Sent: Friday, July 06, 2001 11:17 PM >Subject: Re: [JAVA3D] appletizing

Re: [JAVA3D] appletizing

Hi I think that you can use Applet.getCodeBase(), which will return a URL for the location of the applet. Then, you can add the rest of the URL onto that and use Applet.getImage(). For example: URL u = new URL(getCodeBase() + "/img.jpg"); You can only call this from applet methods such as init(

Re: [JAVA3D] Picking and USE_BOUNDS

implemented this yet. Good luck. B.D. >From: Marianne Lund Jacobsen <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Re: [JAVA3D] Picking and USE_BOUNDS >Date: Tue, 3 Jul 2001 09:15:10 +0200 > >On

Re: [JAVA3D] transform Box intro Shape3D

Hi A Box, Cylinder, Cone, or any other class that extends Primitive (which extends Group, by the way) is a collection of Shape3Ds. It cannot be directly converted to a Shape3D. In the case of a Box, it is made up of six seperate Shape3Ds. To retrieve them, you call Box.getShape(int), using these

Re: [JAVA3D] Picking and USE_BOUNDS

Hi Back to the other original question, about only using one Shape3D instead of multiple ones each with a TransformGroup. If you wanted to, instead of making multiple Shape3D's with their own TransformGroups, you could make the entire group of points one PointArray. You can get and set individual

Re: [JAVA3D] Loading animation behaviour from 3ds files

Hi >a) I want to add animation to the objects separatly, such as > >Interpolators. For RotationInterpolator's, they can be added to a >single >object adding it to its parent TG. But the rotation is always >done around >the origin. Is there any way to rotate them around an >arbitrary point You can

Re: [JAVA3D] Loading animation behaviour from 3ds files

I am pretty sure that there is currently no loader capable of loading animations. The problem lies in documentation of the different animation formats as well as the fact that Java3D really has no simple way of animating a model like in 3D Studio or any of the other animators. The RotationInterpol

Re: [JAVA3D] Changing the color of a Shape3D

Oops :-( >From: Bob Dengle <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Re: [JAVA3D] Changing the color of a Shape3D >Date: Tue, 26 Jun 2001 16:21:22 -0700 > >Without knowing the exact c

Re: [JAVA3D] Changing the color of a Shape3D

Without knowing the exact code you use to get the appearance attributes, i would suggest that you try setting Material.ALLOW_COMPONENT_READ and Material.ALLOW_COMPONENT_WRITE . -B.D. >From: Kynn Jones <[EMAIL PROTECTED]> >Reply-To: Discussion list for Java 3D API <[EMAIL PROTECTED]> >To: [EMAIL

Re: [JAVA3D] IK and Skeletal Animation

Will this be slower than current methods? -B.D. >From: Fred Klingener <[EMAIL PROTECTED]> >Reply-To: Fred Klingener <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Re: [JAVA3D] IK and Skeletal Animation >Date: Tue, 26 Jun 2001 01:24:17 -0400 > >From: "Bo

Re: [JAVA3D] IK and Skeletal Animation

Re: [JAVA3D] IK and Skeletal Animation >Date: Mon, 25 Jun 2001 00:34:44 -0400 > >From: "Justin Couch" <[EMAIL PROTECTED]> >Sent: Sunday, June 24, 2001 10:58 PM > > > > Bob Dengle wrote: > > > > > The method I want to use that i ran into in a

[JAVA3D] IK and Skeletal Animation

Hi I am (also) trying to build a skeletal animation system in Java3D. I want to use effectors so that i dont need to calculate positions for each bone and store that in an animation; I store the positions of the effectors, and let the animation system calculate the bone keyframes for me. The met

[JAVA3D] Bone and Skin Animation

Hi everyone! I have been experimenting with some frame based animation using the Morph class, but creating a simple animation eats up a ton of memory, something like 1 to 2 MB! I was wondering if anyone has come up with a more memory-efficient method of animating objects, such as bone and skin bas

Re: [JAVA3D] AccessControlException trying to using VRML loader from an applet

Hi I ran into this problem when I first tried texture mapping in Java3D. Due to the untrusted nature of applets, browsers will not allow them to read or write to or from the local file system, so the "file:./test.wrl" is the culprit Use Applet.getCodeBase() to get the base URL. For example s = f

Re: [JAVA3D] Sunlight effect !!

Hi, If you want your light to appear like a sun, you could try using an AmbientLight along with the DirectionalLight. The DirectionalLight would be act like the sun (a disk in the sky) but the AmbientLight would provide lighting all around. Bob >From: Tina Manoharan Valappil <[EMAIL PROTECTED]