how to make a NURB surface in java 3d using directx... Are there any algos available online ?
On Wed, 28 Jan 2004 GOBE HOBONA wrote : >Naomi, > >An approach to creating planes with contour maps is: >1. Triangulate the spot heights using perhaps the Delaunay Triangulation >method >2. Interpolate the heights from the triangles to determine isolines >3. Render the 2D birds-eye view onto a BufferedImage >4. Pass the BufferedImage to an ImageComponent2D to drape it over a >GeometryArray created with triangles from step 1 > >About step 1 >If you are handling a regular grid then you do not need to implement the >Delaunay Triangulation method as Java3D's Triangulator Class can handle >this, however if you are handling irregularly positioned points then you >need to first cluster the points into triangles to create a Triangular >Irregular Network (TIN), pass all points to a GeometryInfo object with a: >stripcount array of length = number of triangles found from Delaunay >each element in the array = number of points in a triangle (3) > >If there isn't an easier way, I hope this approach helps you. It worked for >me :-) > >Cheers, >Gobe Hobona >PhD Student in Geomatics >University of Newcastle upon Tyne > >> From: Naomi Greenberg <[EMAIL PROTECTED]> >>Reply-To: Disc =========================================================================== 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".