>
>
> Which is just absolutely amazing. But then, just on a total whim, I used
> the mouse to... grab and turn it ?!?? JAW DROPS OPEN HERE.
>
Wow, that is cool!
For those who want to try that right away, here is a snippet taken from the
docs:
#lang racket
(require plot)
(plot3d (list (surface3d (λ (x y) (+ (sqr x) (sqr y))) -1 1 -1 1
#:label "z = x^2 + y^2")
(surface3d (λ (x y) (- (+ (sqr x) (sqr y)))) -1 1 -1 1
#:color 4 #:line-color 4
#:label "z = -x^2 - y^2")))
(actually that's a seven-liner ;) )
Laurent
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