Answered
Shalom
How to draw a circle on the sphere, through a given point
and the circle center is also the center of the ball.
There are many such circuits, I want one.
Files:
big-circle.ggb
The same question 
Shalom
How to draw a circle on the sphere, through a given point
and the circle center is also the center of the ball.
There are many such circuits, I want one.
Bonjour,
''There are a lot of such circuits'', for having one, create a new point C on the sphere.
C = PointIn[a]
Then, create the great circle:
c = Circle[A, Distance[A, B], PerpendicularLine[A, Plane[A, B, C]]]
...
Thank you so much. it's working.
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