Pabs wrote:

> in http://davidf.faricy.net/raygall.html there is a link to
> http://davidf.faricy.net/adjust.html at the top of the page.
> It also needs to be adjusted to images/adjust.gif

Doh!! Okay.

> Also do you have a method for shearing along a plane defined by two axes
> in 3D space?
> eg
> normal in same plane
> ^    axis 2
> |    ^
> |   /
> |  /
> | /  sheared by this angle
> |/------------------------------------> axis 1

Hmm... that might be my next macro then. :)
Axis 3 is perpendicular to both axis 1 and whatever axis is perpendicular to
1 and 2...
I orient axis 3 along z and axis 1 along x...
Then I shear z for x by a factor of tan(angle between 1 and 2)...
Then I reorient. :)

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/

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