POV-Ray: Newsgroups: povray.text.scene-files: Example constraining media inside an isosurface shape.: Re: Example constraining media inside an isosurface shape.

POV-Ray : Newsgroups : povray.text.scene-files : Example constraining media inside an isosurface shape. : Re: Example constraining media inside an isosurface shape.		Server Time 19 Apr 2024 17:25:08 EDT (-0400)

From: Mike Horvath
Date: 8 Jan 2016 13:13:23
Message: <568ffc43$1@news.povray.org>

On 1/8/2016 1:09 PM, Mike Horvath wrote:
> 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


Also, the way the shape gets sliced at the edges is really ugly. Is 
there any way to make a straight cut perpendicular to the curve?


Mike

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