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"Gena Obukhov" <obu### [at] mail com> schrieb im Newsbeitrag
news:3D9FC759.D06274B6@mail.com...
> I would apriciate your help if you know how to add spline
> path to these trunks and how to make it conical.
To make it conical, use instead of
x*x + z*z - 1
somethink like
x*x + z*z - (1-y/30) [to fit into your container].
To make it follow a spline you should declare the spline as a function and
the isosurface function
#declare Spline_Fun= function{ spline{...}}
#declare Iso_Fun=function{}
In the isosurface use somethink like
function{Iso_Fun{x+Spline_Fun(y).x,y,z+Spline_Fun(y).z}}.
A good reference for such methods is the Isosurface tutorial
http://www.econym.demon.co.uk/isotut/index.htm. The described method is also
used in the "New Tricks" section.
Hope that helps!
Good work btw!
Regards,
Marc-Hendrik
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