Re: [JAVA3D] Texture memory use of GIF vs. RGB

Let me clarify this. In Java3D, the BufferImage format is only used for retrieving data from the BufferImage. The ImageComponent is stored internally according to the ImageComponent format; if format specifies RGB, R3_G3_B2, RGB4, RGB5, RGB5_A1, RGB8, RGBA, RGBA4, RGBA8, then the image will be sto

[JAVA3D] Help! : rotation of object

Title: [JAVA3D] Help! : rotation of object There is a TransfomGroup node that have (3, 0, 0)) by its translation component. and then I made rotationinterpolator. Its target TG is above TransformGroup node. however the rotationinterpolator rotates at origin. Why? Actually, TG has translation co

[JAVA3D] Viewplatform coordinates?

Hi, i have a little problem... How can i retrieve the coordinate of the viewplatform, after i move this viewplatform using Transform3D? === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the mess

Re: [JAVA3D] problem with removeChild()

Or support for Iterators/ListIterators instead of just enumerations. (With remove support of course). Granted this does require using J2SE... -Jamie Qiuli Sun wrote: > I think it will be extremely useful if Group.remove( Node node ) is added in > the future API. When I use removeChild(int inde

Re: [JAVA3D] Viewplatform coordinates?

Will this function do something?? void getLocalToVworld(Transform3D t) Ahmed -Original Message- From: UNG Leng [mailto:[EMAIL PROTECTED]] Sent: Wednesday, January 31, 2001 12:33 PM To: [EMAIL PROTECTED] Subject: [JAVA3D] Viewplatform coordinates? Hi, i have a little problem... How c

[JAVA3D] Is triangulator needed?

I've been experimenting with GeometryInfo for producing triangulations of arbitrary polygons, and according to the docs/examples, you should create an array of coordinates, assign them to a GeometryInfo, and then call Triangulator's triangulate() method to triangulate the polygon. However, in the

[JAVA3D] Sorting Transparent Objects

I tried posting this earlier, but it never showed up on the list... I have put this off far too long, but before I dive into this I have a few questions. First how I think it is supposed to work. 1. My understanding is every single alpha blended shape has to be sorted by our own code, if not o

Re: [JAVA3D] Texture memory use of GIF vs. RGB

To clarify this a step further, Java3D can support GIF textures as 8-bit textures, but this doesn't happen by default. The current TextureLoader will load your texture into an RGBA format, so you'll get 32 bit textures from your GIF file. If you want to load a GIF as an 8 bit texture, you'll nee

Re: [JAVA3D] problem with removeChild()

I think it will be extremely useful if Group.remove( Node node ) is added in the future API. When I use removeChild(int index) to remove object, I always hope to have a more convienient method to do it. Qiuli -Original Message- From: Discussion list for Java 3D API [mailto:[EMAIL PROTECT

Re: [JAVA3D] problem with removeChild()

Hi Gregory, The Group.remove( Node node ) method has already been added to the proposed Java3D 1.3 API specification. Rgds Paul -- Paul Byrne Email : [EMAIL PROTECTED] Sun MicrosystemsPhone : (650) 786

Re: [JAVA3D] Dithering in 256 colors ( Windows )

Ok. Thakx for the info, Kelvin :) Pedro Kelvin Chung wrote: > Hi Pedro, > > >Ok, so this means a Windows NT 4.0 user ( wich must use OpenGL versions ) must > >run in 64K color mode, right ? > > Yes. > > >More: On the D3D version, if the user is in 256 color mode, it switches > >AUTOMATICALLY t

Re: [JAVA3D] Texture memory use of GIF vs. RGB

Shawn, Java3D will send down 8-bit image as 8-bit image to OpenGL or DirectX. So it's up to the driver if they can texture natively using the 8-bit image. Charmaine Lee Java3D Engineering Team > X-Accept-Language: en,pdf > MIME-Version: 1.0 > Content-Transfer-Encoding: 7bit > Date: Tue, 30 Ja

[JAVA3D] animation : problem with Alpha class

Hi,   We are trying to make animation with Alpha class : we have to create a movement from one point to another, and after from this one to another again and etc... We are using the PositionInterpolator class and we would like to know if we have to use many Alpha classes or only one. For the

Re: [JAVA3D] Switching ways on Mouse Behaviors [OrbitBehavior questions]

This email answers several OrbitBehavior questions... > Zak wrote: > > How can I swap the way the mouse moves? Whenever I move it left it > (the object ) goes right. I want it to go the way the mouse does... > > Thanks in advance > That is because you are actually moving the view instead of the

Re: [JAVA3D] problem with removeChild()

To All, I quickly looked at the Java 3D API documentation before writing this note, so my apologies if I missed something and my knowledge is incorrect. But, this small issue brings up something about the Java3D API that has always irritated me personally. I believe there should be a removeChil

Re: [JAVA3D] Dithering in 256 colors ( Windows )

Hi Pedro, >Ok, so this means a Windows NT 4.0 user ( wich must use OpenGL versions ) must >run in 64K color mode, right ? Yes. >More: On the D3D version, if the user is in 256 color mode, it switches >AUTOMATICALLY to 64K full screen ? What happens to the components other than >Canvas3D. By ful

Re: [JAVA3D] Switching ways on Mouse Behaviors

> How can I swap the way the mouse moves? Whenever I move it left it (the > object ) goes right. I want it to go the way the mouse does... Check the flags. The mouse behaviors have flags which invert the action. Doug Gehringer Sun Microsystems ==

Re: [JAVA3D] Switching ways on Mouse Behaviors

I assume you mean the translate behavior.  There is a method called invert() for the behaviors that is used to switch the direction things move but this is usually used on the viewer since the  viewer and an object react opposite to each other. But before you do anything, let me ask you, are you

Re: [JAVA3D] HELP! Shading Geometry with color by vertex?

This message is really from Kevin Rushforth <[EMAIL PROTECTED]> who can't post right now due to a mailer error: One point of clarification. When lighting is enabled, per-vertex colors in Java 3D override the diffuse color in the Material only. The ambient color is left alone. Sorry for any co

[JAVA3D] Switching ways on Mouse Behaviors

How can I swap the way the mouse moves? Whenever I move it left it (the object ) goes right. I want it to go the way the mouse does...   Thanks in advance   Zak

Re: [JAVA3D] Extruded Volumes

Hi Firas, By triangulating the polygon, you seem to be trying to "close" the top and bottom faces of the extruded solid, which you probably don't want to do (on the other hand, that would be a nice feature in addition to extrusion, I guess). Even if you do close the faces, the core problem of ext

Re: [JAVA3D] Query on asynchronous nature of Java3D.

I have posted may times on similiar problems. The short of it is that in the current versions 1.2.x, the only work around for MOST sync problems is to guarantee execution in the same behavior. We use a custom behavior manager to get around this. Unfortunately, it means we have to "adopt" any comm

[JAVA3D] Extruded Volumes

Hello, I am new to Java3D and I have the following problem : I need to visualize 3D shapes which are extruded from 2d ones. Which means that the base is a 2d surface and the volume is only the extrusion for a certain height (or thckness) of this surface. My problem is that my 2d shape could be an

Re: [JAVA3D] problem with removeChild()

Thank you all for replying. It seems to be a little trick. I never thought of that the index operates in such a mechanism. It should be mentioned in the api. Liming === To unsubscribe, send email to [EMAIL PROTECTED] and i

Re: [JAVA3D] Dithering in 256 colors ( Windows )

Ok, so this means a Windows NT 4.0 user ( wich must use OpenGL versions ) must run in 64K color mode, right ? More: On the D3D version, if the user is in 256 color mode, it switches AUTOMATICALLY to 64K full screen ? What happens to the components other than Canvas3D. By fullscreen you mean someth

Re: [JAVA3D] problem with removeChild()

i think i never saw so many similiar responses to the same question.. lol that was original.. keep up the good work guys : )) -Original Message- From: Discussion list for Java 3D API [mailto:[EMAIL PROTECTED]]On Behalf Of J. Lee Dixon Sent: Wednesday, January 31, 2001 8:44 AM To: [EMAIL P

Re: [JAVA3D] problem with removeChild()

As you remove each child the number of children in the branch group is reduced. If you want to remove the child nodes do this: for( int i = (bg.numChildren() - 1); i >= 0; i-- ) { bg.removeChild( i ); } This removes the child nodes from the back of the list rather than the front as you were d

Re: [JAVA3D] problem with removeChild()

When you remove a child, they all shift down by one. Try this: for( j=0; j 0 ) { bg.removeChild(0); } -Lee J. Lee Dixon SAIC - Celebration, FL 407-566-1438 [EMAIL PROTECTED]AOL: LeeOrlando > -Original Message- > From: Liming CHEN [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, Janu

Re: [JAVA3D] problem with removeChild()

Try removing them from last to first. Once you have removed 0, all the others are shifted down, leaving 0..5. So basically by the time you go to remove the 4th, you only have 0..3 left. Dave Yazel - Original Message - From: Liming CHEN <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent:

Re: [JAVA3D] problem with removeChild()

That's kind of a joke!!! are you aware that removing children could cause the numChildren() to decrement This was refreshing! Cheers, Karsten Liming CHEN wrote: > Hi, > > I add seven children (Behaviour) to a BranchGroup. Then I try to remove all these > children by the following codes >

Re: [JAVA3D] problem with removeChild()

On Wed, 31 Jan 2001, Liming CHEN wrote: > Hi, > > I add seven children (Behaviour) to a BranchGroup. Then I try to remove all these > children by the following codes > > int childNum = bg.numChildren(); > for( int j =0; j System.out.println(" test child number" + childNum + " "

Re: [JAVA3D] problem with removeChild()

children always count from 0, so if you remove 1 child from your 7, the remaining occupy indices 0-5, and so on, int childNum = bg.numChildren(); for( int j =0; j0) { bg.removeChild(0); } is probably neater David Turland > ---

[JAVA3D] Mouse Viewing

I was told that there was a setViewingPlatformBehavior method. Is there such a thing? And does anyone know how to use the OrbitBehavior class?   Zak

[JAVA3D] problem with removeChild()

Hi, I add seven children (Behaviour) to a BranchGroup. Then I try to remove all these children by the following codes int childNum = bg.numChildren(); for( int j =0; j= 3 at java.util.Vector.elementAt(Vector.java:417) at javax.media.j3d.GroupRetained.doRemoveChild(GroupRetained.java:3

[JAVA3D] Directx/opengl supported by the graphics card???

is there a way in java to know if the graphics card support directx or openGL? === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send emai

Re: [JAVA3D] Texture memory use of GIF vs. RGB

Good question Shawn. I have been wondering about this for some time too, but have been too busy/lazy to write a post or run a test. I'd love to know the answer too! (..hint, hint j3d team..). Thanks Young. :: Young Ly Liquid Edge Games http://www.rob