cyclicAMI not robust for perpendicular triangles; plane normal
On badly matching AMI patches the individual triangles can be perpendicular to the projection normal. If they are exactly perpendicular this can cause division by zero.
See ep 704.
--> FOAM Warning :
From function Foam::plane::plane(const point&, const vector&, bool)
in file meshes/primitiveShapes/plane/plane.C at line 145
plane normal has zero length. base point:(2.492624677978299 0.7945491940387345 -0.06079065865800785)