SphereChord.py

from pygeo import *

v=display(scale=70)

p1 = FreePoint(-8.,17,-3,color=WHITE)
p2 = FreePoint(-23,33,4,color=WHITE)

sphere=Sphere(p1,p2,color=BLUE)
p3 = FreePoint(1,9,-1,color=WHITE)
p4 = FreePoint(30,2,-1,color=WHITE)
line=Line(p3,p4,color=BLUE)

SphereChord(sphere,line,color=RED,linewidth=.5)

v.pickloop()