Re: [R] RGL 'front' upwards default in rendering image

From: Duncan Murdoch <>
Date: Tue 03 Oct 2006 - 02:03:23 GMT

Joe Byers wrote:
> The documentation for surface3d and rgl.surface in the package RGL states
> "'surface3d' always draws the surface with the `front' upwards
> (i.e. towards higher 'z' values). This can be used to render the
> top and bottom differently; see 'rgl.material' and the example
> below."
> Is there a way to override this default? I have search all the related
> methods help and the documents on RGL's website.
There are lots of ways to override it: as the docs say, rgl.surface is more flexible than surface3d, and you can draw triangles or quads arbitrarily. What sort of thing do you want to do?

Duncan Murdoch mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Tue Oct 03 12:10:07 2006

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