CGX swep

[3rav]

Swep command badly (wrong) creates surfaces by rotation (swep set set rot y 90 a):

• ellipse (example)
• part of the circle is also badly formed!

[mkraska]

This problem has been resolved by introduction of the parameter "n" in CGX 2.12.
Example: Compare the hemispheric indenter:
CGX 2.11: https://github.com/mkraska/CalculiX-Examples/tree/v2.11/Contact/Shell1
CGX 2.12: https://github.com/mkraska/CalculiX-Examples/tree/v2.12/Contact/Shell1