#!/usr/bin/env python
# coding: utf-8

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from k3d import K3D
import numpy as np
from ipywidgets import interact, interactive, fixed
import ipywidgets as widgets
import time
plot = K3D()


T = 1.618033988749895
from numpy import sin,cos,pi
r = 4.77
zmin,zmax = -r,r
xmin,xmax = -r,r
ymin,ymax = -r,r
Nx,Ny,Nz = 77,77,77

x = np.linspace(xmin,xmax,Nx)
y = np.linspace(ymin,ymax,Ny)
z = np.linspace(zmin,zmax,Nz)
x,y,z = np.meshgrid(x,y,z,indexing='ij')
p = 2 - (cos(x + T*y) + cos(x - T*y) + cos(y + T*z) + cos(y - T*z) + cos(z - T*x) + cos(z + T*x))
iso = K3D.marching_cubes(p,xmin=xmin,xmax=xmax,ymin=ymin,ymax=ymax, zmin=zmin, zmax=zmax, level=0.0)
plot += iso
@interact(x=widgets.FloatSlider(value=0,min=-3,max=4,step=0.01))
def g(x):
    iso.level=x

plot.display()




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