Re: find intersection point of sphere and line
- From: kaikongchan_98@xxxxxxxxxxx
- Date: 27 Oct 2006 06:45:05 -0700
Narasimham wrote:
kaikongchan_98@xxxxxxxxxxx wrote:
An ellipsoid is centered at the origin and its semi-axes are 3, 3, 5 in
the X, Y and Z directions respectively. A point light source with
intensity 200 is located at (6,5,0).
1st) I have problem finding the point coordinate (x,y,z) that the light
will hit on the sphere.
Hint:The bisector of focal rays at required point is normal to ellipse
section at z = 0. It passes through the given outside point.
Why on xy plane? it is because of (6, 5, 0).
.
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- find intersection point of sphere and line
- From: kaikongchan_98
- Re: find intersection point of sphere and line
- From: Narasimham
- find intersection point of sphere and line
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