Indeed it does! These plots are very nice. On Oct 16, 2012, at 1:35 PM, Neil Toronto <neil.toro...@gmail.com> wrote:
> On 10/16/2012 12:02 PM, Michael Wilber wrote: >> Does surface3d and isosurface3d from racket/plot do what you want? >> >> file:///usr/share/racket/doc/plot/renderer3d.html?q=isosurface#(def._((lib._plot/main..rkt)._isosurface3d)) > > In particular: > > #lang racket > > (require plot) > > (define (f x y) > (+ 2 (* 2 x) (* 5 y) (* 1/2 x y y) (* 6 x x))) > > (plot3d (surface3d f -1 1 -1 1)) > (plot3d (contour-intervals3d f -1 1 -1 1 #:label "f(x,y)")) > > (define (g x y z) > (+ (* x y) (* y z) (* z x))) > > (define c 0.25) > > (plot3d (isosurface3d g c -1 1 -1 1 -1 1)) > (plot3d (isosurfaces3d g -1 1 -1 1 -1 1 #:label "g(x,y,z)")) > > > Isosurfaces are visualized using marching cubes, whose patent finally ran out > a few years ago.
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