[Cst-1b] 99.6.4 Graphics

[Kevin Chan]

Actually to be fair I think there is more that one way to do it........

I rotated about the z axis to put the cone in the xz plane then about the y
axis to align with the z axis (this is the transformation backwards)

Is that right?



----- Original Message -----
From: M.Y.W.Y.B. <mywyb2@hermes.cam.ac.uk>
To: <cst-1b@srcf.ucam.org>
Sent: Sunday, May 28, 2000 2:06 AM
Subject: Re: [Cst-1b] 99.6.4 Graphics


> Thanks for your reply, Kev. But why do you have to rotate about z if the
> original (standard) cone lies along the z axis already (ie the cone points
> into the screen)?
>
> I first rotate about the y-axis into the y-z plane, then about x onto the
> z-axis. But I'm not sure whether the angles/signs are correct.
>
>
> Mo
>
>
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