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Try putting sky <1,0,0> into the camera so that it isn't confused as to what
"up" is.
You might also need to move orthographic after the sky right and up.
Bob H.
"Dawn McKnight" <daw### [at] coyotesdaughter com> wrote in message
news:3AE32EF6.6D04FD9C@coyotesdaughter.com...
>
> My object lies mostly along the Z axis, with the aft end in +z, and the
> bow in -z land.
>
> camera {
> orthographic
> location <0, 8, 0>
> right ((4/3)*8)*z
> up 8*x
> look_at <0, 0, 0>
> }
>
> This yields, to my surprise, an image with the prow on the right, not
> the left. This seems odd to me, because, unless I misunderstand how the
> right parameter works, I should be saying that the +z side should be on
> the right?
>
> Anyway, that's not all that disturbing. What is disturbing is that I do
> some unit markings (decals) with a CSG difference. When I use the
> orthographic camera, as detailed above, the markings become
> mirror-imaged.
>
> When I use the default camera, as follows:
>
> camera {
> location <0, 8, 0>
> rotate 90*y
> look_at <0, 0, 0>
> }
>
> I still get the ship in the prow-to-the-right position (planned), and
> the decals are left-to-right as read from outboard.
>
> Why does this happen? Is it a bug, or user error? What (if anything)
> can I do about it?
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