Thanks Mattijs, this should be the right way to do it, I will start woorking on it but still will have to check (if I manage to implement it :-) the consequences on the performance... I will let u know if it is working. Thanks all
----- Original Message ----- From: "Mattijs Janssens" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, October 17, 2003 3:28 PM Subject: Re: [JAVA3D] substracting shapes > If you wish to do it yourself: > > - triangulate the faces of the two shapes > - intersect the edges of one with the triangles of the other > - and vice versa > - remember per triangle the point(s) introduced by the piercing edges of > the other surface > - combine these points with the original points of the triangle to > create a (not nessecarily convex) polygon > - retriangulate these polygons > - you'll now have the two shapes merged. > - determine which part of the intersection you want to keep. > > Should be better and more info on the web but this gives you an idea of > what is needed. Unfortunately can't help you with any code. > > Regards, > > Mattijs > > Robert Gomez-Reino wrote: > > Hi all, > > I have been reading about Jun and I did have a look to the source and > > it's very heavy for my purposes. > > I just have some quite simple shape classes created by me and I would > > like to be able to create one of them and substract from it another one > > at their intersection points. Maybe somebody has done this before and > > can give me some guideline to do this. Probably I would have to check > > the intersection of all the geometries one shape with the geometries of > > the other....or something like this. (?) > > Boby > > =========================================================================== > > 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". > > -- > /*---------------------------------------------------------*\ > | =========== Mattijs Janssens | > | \\ / Development Engineer | > | \\ / | > | \\ / Nabla Ltd. | > | \\ / The Mews, Picketts Lodge | > | \\/ Picketts Lane, Salfords, | > | F ield Surrey RH1 5RG. | > | O peration Tel: +44 (0)1293 821272 | > | A nd Email: [EMAIL PROTECTED] | > | M anipulation URL: http://www.Nabla.co.uk | > \*---------------------------------------------------------*/ > > =========================================================================== > 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".
