OrthoCircle.py

from pygeo import *

v=display(scale=70)

p1 = FreePoint(-26.,37,-3,color=WHITE)
p2 = FreePoint(-40,6,4,color=WHITE)
p3 = FreePoint(-6,2,0,color=WHITE)


circle=CircumCircle(p1,p2,p3,color=BLUE)

p4 = PlaneSlider(Plane(p1,p2,p3,color=WHITE),5,17,-11,color=BLUE,pointsize=1.5)

OrthoCircle(circle,p4,color=RED)

v.pickloop()