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Orthogonal projection of a conic onto a plane
It is well known that conic sections are the intersections of a plane with a cone. Let the cone be $z^2 = x^2 + y^2$ and the plane be $z = ex + b$. Project orthogonaly the resultant conic onto the $...
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Projection of the oblate spheroid at a given rotation onto a slanted plane
I'm currently looking for a projection of (1) the oblate spheroid onto (2) the slanted plane.
(1) Having the oblate spheroid: $\frac {x^2}{a^2}+\frac {y^2}{b^2}+\frac {z^2}{c^2}=1$ with $a=b>c$ and ...
