Bob Hughes wrote:
> 
> Nope, that's a poor man's 'trace()'.  'hf_height_at' returns just the y coord
> of the hf cubical (only the starting, untransformed hf) from 0*x, 0*z to x, z.
> 

Hf_height_at should be sufficient in this case, although I must say I have never
used it myself.

-- 
Margus Ramst

Personal e-mail: mar### [at] peakeduee
TAG (Team Assistance Group) e-mail: mar### [at] tagpovrayorg

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