Re: [JAVA3D] Box border

2004-08-27 Thread Alessandro Borges
Check this example at J3d.org about NPR - Non Photorealistic Rendering http://www.j3d.org/tutorials/quick_fix/npr_line.html Alessandro --- romil shah <[EMAIL PROTECTED]> escreveu: > Sorry, I meant an outline. Just highlighting the edges > of the Box. > > -- > Romil. > > --- Alessandro Borges <[

[JAVA3D] AW: [JAVA3D] Box border

2004-08-27 Thread Florin Herinean
The simplest way IMHO is to create a separate geometry containing only lines. A box of lines! That's what I'm doing to highlight the selected object in the scene: the selection marker is a line-geometry cube of size 2 centered in origin (-1,-1,-1)-(+1,+1,+1). Above it I have a transform group. Whe

Re: [JAVA3D] Crash using new video drivers : SOLVED!

2004-08-27 Thread Alessandro Borges
Solved ! This bug was happening due a incorrect video driver install. There are 2 possible workarounds: a) set a enviroment variable to disable NVidia ELS TLS feature: export LD_ASSUME_KERNEL=2.3.98 OR b) install proper Debian drivers for the latest NVidia drivers with a bug fix for TLS. I

[JAVA3D] Formal Specification of the SceneGraph?

2004-08-27 Thread Jin-Ha Tchoe
Hi all, I'm writing a diploma thesis and among other things cover SceneGraphs. Since it contains the word "graph" one of my tutor wants a formal mathematical specification of what a SceneGraph is. I've searched but did not find any reference that a formal specification even exists. So, does anybody

Re: [JAVA3D] Formal Specification of the SceneGraph?

2004-08-27 Thread Brian McCormick
Hello, The text 3D Game Engine Design: A Practical Approach to Real-Time Computer Graphics discusses this subject pretty well (see Chapter 4, Hierarchial Scene Representations). Brian -Original Message- From: Discussion list for Java 3D API [mailto:[EMAIL PROTECTED] Behalf Of Jin-Ha Tcho

Re: [JAVA3D] Formal Specification of the SceneGraph?

2004-08-27 Thread Alessandro Borges
Just my 2c (references from my thesis) "...SceneGraph is a abstracion from Direct Aciclic Graph for 3D rendering ..." F. Harary, R.Z. Norman, e D. Carthwright, Structural Models: An Introduction to the Theory of Directed Graphs. New York: J.Wiley & Sons, 1965. P.Strauss, R. Carey, "An object-o