3d contour plotting in sage

Question

It seems there isn't a function in sagemath which can plot contours of a function $f(x, y, z)$ as transparent layers in 3d space like in mayavi.

Is there an alternate way to achieve the same effect in sage?

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You might be able to get implicit_plot3d to do it. Maybe something like the following would work for you.

var('x,y,z')
f(x,y,z)=x^2+y^2+z^2/4
p=Graphics()
for k in [1,2,3,4]:
    p+=implicit_plot3d(f(x,y,z)==k,(x,-2,2),(y,-2,2),(z,-5,5),opacity=0.4)
p

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posted Jun 16 '12

calc314
1820 ● 3 ● 19 ● 51

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I usually use something similar for level surfaces. Note that with the upcoming Jmol upgrade you can plot them first, and adjust their color and opacity to your liking interactively later.

kcrisman (Jun 16 '12)

3d contour plotting in sage

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