[Rd] contour as a generic function?

[Paul Murrell]

Hi


>   As long as we're on wish lists (Paul Murrell??) it would be nice to have
> contour (optionally) return a list of contours, so that one could
> post-process them etc..  This would also, I think, eventually facilitate
> drawing contours onto 3-D surfaces ... I thought about hacking this but
> the contour function was too scary for me ...


Its pretty scary stuff alright :)

I am mucking about in the graphics code at the moment and one of the things
I hope to get to is this "3D" stuff.  The plan is to make it more modular
and especially separate the *calculation* of things like contours from the
actual *rendering* of them (another good example is returning the
transformation matrix from persp()).

Paul


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