> I'm still looking how to implement support for the camera direction.
> Current implementation use a forced <0,0,1> as direction as front
> view.

  Don't know still how much sense it makes to have an arbitrary direction
vector... maybe better would a be a way to just rotate the camera around y.

> But with 'plants_demo_pano' rendering, i need another direction,
> otherwise the cool stuff (tree) are behind me.

   For the moment, you can do with adding a - sign to the z function of
the direction to reverse it: it works with my cave to have the interior
as the initial view.

--
jaime

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