POV-Ray : Newsgroups : povray.text.scene-files : Example constraining media inside an isosurface shape. : Re: Example constraining media inside an isosurface shape. Server Time
20 May 2024 17:12:17 EDT (-0400)
  Re: Example constraining media inside an isosurface shape.  
From: Mike Horvath
Date: 8 Jan 2016 13:09:16
Message: <568ffb4c$1@news.povray.org>
On 1/7/2016 11:52 PM, William F Pokorny wrote:
>
> An example of constraining media inside an isosurface using the function
> used to define the isosurface. Code in answer to a question asked in the
> "Spiral tube?" thread in povray.general.
>
> Bill P.

I don't understand the parameters of the helix shape. From the docs:

P0 : Number of helixes - e.g. 2 for a double helix
P1 : Period - is related to the number of turns per unit length
P2 : Minor radius (major radius > minor radius)
P3 : Major radius
P4 : Shape parameter. If this is greater than 1 then the tube becomes 
fatter in the y direction
P5 : Cross section type
P6 : Cross section rotation angle (degrees)

What is the "Shape parameter", "Cross section type" and "Cross section 
rotation angle"? Are these explained in the docs?


Mike


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