Plot and fill 3D volumes in Python

Question

I am working with some 3D (volumetric) data using Python, and for every tetrahedron, I have not only the vertices\'s coordinates but also a fourth dimension which is the val

Answer 1

You can use mayavi.mlab.triangular_mesh():

from mayavi import mlab

from itertools import combinations, chain

x = [0.0, 1.0, 0.0, 0.0, 2.0, 3.0, 0.0, 0.0]
y = [0.0, 0.0, 1.0, 0.0, 2.0, 0.0, 3.0, 0.0]
z = [0.0, 0.0, 0.0, 1.0, 2.0, 0.0, 0.0, 3.0]
c = [20, 30]

triangles = list(chain.from_iterable(combinations(range(s, s+4), 3) for s in range(0, len(x), 4)))
c = np.repeat(c, 4)

mlab.triangular_mesh(x, y, z, triangles, scalars=c)