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"Bald Eagle" <cre### [at] netscape net> wrote:
@Ingo: Thank you!
@all: In addition to:
> (*) I have made a list of 16 different types of rays to test, and want to
> parameterize them so that I can just auto-calculate rays for any cylinder
> parameters I enter.
>
> (1) Ray parallel to cylinder axis, which misses the cylinder
> (2) Ray that is skew/perpendicular to cylinder axis which misses the cylinder
> (3) Ray parallel to cylinder axis, which intersects the cylinder edge
> (4) Ray that is skew/perpendicular and that intersects tangentially
> (5) Ray parallel to cylinder axis, which intersects the cylinder inside
> (6) Ray that is skew/perpendicular and that intersects inside
> Diagonal rays that:
> (7) hit the bottom end cap, then the top end cap (non-perpendicularly)
> (8) hit the cylinder then the bottom end cap
> (9) hit the top end cap then the cylinder
> (10) hit the cylinder then the top end cap
>
> (11) Ray that is parallel to bottom end cap and misses
> (12) Ray that is parallel to bottom end cap and intersects
> (13) Ray that is parallel to top end cap and misses
> (14) Ray that is parallel to top end cap and intersects
> (15) Ray that clips a bottom corner
> (16) Ray that clips a top corner
I also have to create cases starting on the surface of the cylinder as well as
originating from the interior of the cylinder.
- BE
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