thank you all, I will try to implement the surface computation algorithm immediately.
----- Original Message ----- From: "Andreas Busse" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, July 01, 2002 1:15 PM Subject: [JAVA3D] AW: [JAVA3D] volume and surface > Hi Olivier! > > > how can I get the volume and the surface of a 3D object in java3d? > > In order to compute the area covered by the Shape3D's geometry, you could > sum up all the areas of the polygons that the shape consists of. A > triangle's area can be calculated by the cross product between two of the > triangle's edge vectors. The absolute length of the resulting vector is the > area. Further information can be found in section 2.01 of the > comp.graphics.algorithms faq (see > http://www.faqs.org/faqs/graphics/algorithms-faq/). There is also an > algorithm for computing the volume of a polyhedron in section 5.19 of this > faq. Probably this will help. > > Best regards, > Andreas > > =========================================================================== > 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".