uCircle(...)
Objects derived from the _uCircle abstract class, representing a spheric section of the Riemann sphere.
def uCircle
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returns: | A spheric section of the Riemann sphere |
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class uCircumCircle
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returns: | spheric section through 3 given points on the Riemann sphere . |
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class uCircleFromNormal
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returns: | spheric section of the Riemann sphere cut by the plane at the initial point argument that is normal to the direction determined by the first and second point arguments |
conditions: | plane from normal cuts the Riemann sphere |
else returns: | None |
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class uPolarCircle
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returns: | spheric section of Riemann sphere cut by the plane polar to the point argument with respect to the Riemann sphere |
conditions: | point exterior to the unit sphere |
else returns: | None |
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class z_to_uCircle
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returns: | the stereographic projection circle of the given circle or line of the complex plane onto the Riemann sphere. |
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