Simple Cubic Lattice
Today, let’s have some fun playing with perspective rendering in Python! My graphics package of choice is VPython:
sudo apt-get install python-visual
Suppose we want to represent a simple cubic lattice: Using the
visual package, we can create a collection of spheres at positions ((i,j,k)) with (i,j,k = -L…L).
from visual import sphere L = 5 R = 0.3 for i in range(-L,L+1): for j in range(-L,L+1): for k in range(-L,L+1): sphere(pos=[i,j,k],radius=R)
Resulting in this beautiful rendering:
But what if we want to change the color? Simply alter the last line:
sphere(pos=[i,j,k],radius=R).color = color.blue
Less atoms? Alter the value of L.
Same number of atoms with smaller radii? Alter the value of R.