> 
> 
> #macro IC_Cone (Start, Radius1, End, Radius2)
>   #switch(select(Radius1-Radius2,-1,0,1))
>  [...]

Wow, those selects can really confuse...

I think both these and the 'B' versions should be in separate include
files since they are purely optional.  

I have not tried yet, but i suppose using f_rounded_box() is faster than
your version while the cylinder/cone macros are better than a manual
translation of the rounding macros from 'shapes.inc' with radius 0.

I will also add a 'compensated' version of scale to maintain the linear
distance as good as possible (correcting with the average of the scales
with non isotropic scaling).

Christoph

-- 
POV-Ray tutorials, IsoWood include,                 
TransSkin and more: http://www.tu-bs.de/~y0013390/  
Last updated 13 Mar. 2002 _____./\/^>_*_<^\/\.______

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