Hello, Is there a description what the scene.compile() method does in detail? (it can be called after creating the scene and before rendering.) I think it recognises the static parts and applies the static transformation matrices to every associated vertices. May be I am wrong? Greeting Chris
----- Original Message ----- From: "Florin Herinean" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 05, 2004 3:59 PM Subject: Re: [JAVA3D] the Need for Speed debate > here are my 2c: > > 1) carefully design your scene. Don't use TransformGroups if you don't plan > to dynamically move the objects bellow. A static branch containing many > TransformGroups is a waste of resources which results in poor performance > and a high memory usage. Collapse whenever possible such static branchgroups > to Shape3D's or, if possible to single geometries. > > 2) use LOD's to replace distant complicated geometries with simpler ones. > > 3) lights can have a great penalty. Use directional lights instead of spot > or point lights whenever possible. > > 4) use textures to replace complicated geometries whenever possible. > > Florin > > > -----Original Message----- > From: Discussion list for Java 3D API > [mailto:[EMAIL PROTECTED] Behalf Of Alessandro Borges > Sent: Mittwoch, 5. Mai 2004 15:26 > To: [EMAIL PROTECTED] > Subject: [JAVA3D] the Need for Speed debate > > > Hi, > > I hear a lot about peaple asking how to get more FPS > with Java3D applications. I guess this is a real issue > for old video card. This can be tought when our > clients are not ready to upgrading hardware. > > I have some simple tips, but is does not fit all > cases. Actually in some cases this are not real > options: > > * tip 1 - reduce Z-Buffer from 32bits to 16Bits > * tip 2 - reduce colorDepth from 32bits to 16Bits. > * tip 3 - reduce both ZBuffer & ColorDepth to 16Bits > > When this tips are not applicable: > * when using large scenes - 16Bits ZBuffer are not > suited for it; > * Multitexture/Dot3/Sphere Map texturing - 16bit color > depth generate a kind of pixelization grid or aliased > texturing. In some aplications this visual issue are > not acceptable. > > > Alessandro > > ______________________________________________________________________ > > Yahoo! Messenger - Fale com seus amigos online. Instale agora! > http://br.download.yahoo.com/messenger/ > > =========================================================================== > 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".
