Sorry for my unclear, my question is, can we create a box with a JPanel-like component on one side of it? when we rotate the box, the "JPanel" will rotate together with the box.
xiaohua ----- Original Message ----- From: "David Yazel" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, January 12, 2002 5:29 PM Subject: Re: [JAVA3D] ask help for display long text on an 3D object > Yes, you can create create a JWindow on top of your canvas, or you can use > standard Swing and have one panel as the canvas with the 3d object, and a > panel to the side with your text. > > Dave Yazel > ----- Original Message ----- > From: xhsun <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Saturday, January 12, 2002 11:20 PM > Subject: Re: [JAVA3D] ask help for display long text on an 3D object > > > Thanks for your reply. Yes, I know the time need for the texture must be > inacceptable, especially for my case, textures need to be created very > frequently from database query. Please forgive my naive, is it possible for > the 3d scene to render something like a JPanel on top of an object? Could we > create a JPanel on one side of a box and let it paint itself when rendering? > > xiaohua > ----- Original Message ----- > From: "David Yazel" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Saturday, January 12, 2002 4:56 PM > Subject: Re: [JAVA3D] ask help for display long text on an 3D object > > > > Before I launch into this note I want to set the premise. By reading your > > question I am assuming you want to show text within the 3d scene. > > > > The technology to display text in 3d can only be done 2 ways. One way is > > done with a texture and another way is done with geometry. Text3d uses > > geometry in a Shape3d that has the shape of the letters, all done with > > triangles in real geometry. All other methods depend on textures to show > > the text. For text to be crisp it has to be positioned in such a way that > > it aligned with the image plate and transformed such that one texel = one > > pixel. If you took created a 512x512 texture with a bunch of text on it > and > > threw it on a cube within your scene, you would be able to read the text > > from some orientations and less so from others. You described your > problem > > as not be solvable by an overlay. A 3d overlay manages text panes and > keeps > > them aligned to the screen, which is an optimal way of doing text panels, > > chat boxes, and controls within the 3d world. If you need to display text > > within the 3d scene then the image which comprises the texture needs to be > > sent to the card. Big textures take a long time to stream over to the > card. > > The bigger the texture and the more frequently you update it, the slower > > your framerate will be. That is why people who write overlay systems do a > > lot of extra work to minimize the impact by breaking up the image into > lots > > of smaller textures, only sending updates to the card for those > subtextures > > which matter. > > > > Dave Yazel > > > > ----- Original Message ----- > > From: xhsun <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Saturday, January 12, 2002 10:28 PM > > Subject: [JAVA3D] ask help for display long text on an 3D object > > > > > > Sorry for the unclear of my last message. I need to display large amout of > > text on the surface of an object as part of the scene, which is different > > from text overlay. Read from the previous archive, there is an example > using > > textured quad, but that's actually similar to Text2D and the time to load > > long text is not acceptable. Even though the computer can be fast enough > to > > create the texture image from the text, what we get will be a big image > but > > not sth like the Text area in Java with a scroll bar. Could someone tell > me > > whether it is possible to create a Java Text area on top of an 3d object? > > > > Thanks in advance. > > > > xiaohua > > > > > =========================================================================== > > To unsubscribe, send email to [EMAIL PROTECTED] and include in the > body > > of the message "signoff JAVA3D-INTEREST". For general help, send email to > > [EMAIL PROTECTED] and include in the body of the message "help". > > > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff JAVA3D-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff JAVA3D-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". > =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
