CirclePencil.py

from pygeo import *

v=display(scale=70)

p1 = FreePoint(-33.,-33,-3,color=WHITE)
p2 = FreePoint(11,19,4,color=WHITE)
line1=Line(p1,p2,color=WHITE)


sheaf=PlaneSheaf(line1,color=BLUE)

p1a = FreePoint(-3.,-3,3,color=WHITE)
p2a = FreePoint(1,9,14,color=WHITE)
sphere=Sphere(p1a,p2a,color=BLUE)

CirclePencil(sphere,sheaf,color=RED)
v.pickloop()