Derek The primitive box is 2X2X2. The centre of the box is 1 unit from each face. I read this one weong as well.
Peter S. ----- Original Message ----- From: "Weber, Derek" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, February 12, 2003 1:33 AM Subject: [JAVA3D] sec: u Primitive sizes seem incorrect > Hi all, > > I've tried searching this mailing list but haven't found anything to answer my problem. > > I'm placing primitives inside (transparent) primitives and have found that they have different sizes despite being given apparently correct values. > > Eg. I place a sphere of radius 0.5 inside a Box of dimensions 1x1x1. There is a significant gap from the extremities of the sphere to the sides of the box. If I make the radius of the sphere 1 instead of 0.5, then the sphere seems to touch the sides of the box (implying that it's in fact a 2x2x2 box). > > Eg2 I put a cone of radius 0.5 and height 1 inside a 1x1x1 Box and once again the cone is much smaller than the box. But if I make it a cone with radius 1 and height 2 then it fits snuggly inside what I thought was a 1x1x1 box. > > It's important because I'm doing automatic arranging of shapes inside other shapes, so the positions and sizes matter. > > Has anyone had similar problems, or have I read the docs incorrectly? > > Thanks very much for your help. > > Derek. > > ============================================================ > Derek Weber [EMAIL PROTECTED] > Virtual Enterprises Group Rm: 2.C.15 205Labs > Command & Control Division Ph: 61 8 8259 7699 > Defence Science & Technology Organisation Fx: 61 8 8259 5589 > PO Box 1500, Edinburgh SA 5111 Mob: 0407 186 602 > ============================================================ > IMPORTANT: This email remains the property of the Australian > Defence Organisation and is subject to the jurisdiction of > section 70 of the CRIMES ACT 1914. If you have received this > email in error, you are requested to contact the sender and > delete the email > > =========================================================================== > 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".
