I'm working with boolean operations among solids in Java3d right now, I believe it would be usefull for your purpose. I think in three weeks it will be finished and released. But if you want to make it for yourself, keep in mind it demands some hard work...
Danilo Balby ----- Original Message ----- From: "Robert Gomez-Reino" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, October 17, 2003 10:37 AM Subject: Re: [JAVA3D] substracting shapes > 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". =========================================================================== 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".
