POV-Ray : Newsgroups : povray.binaries.images : Holes in isosurface : Re: Holes in isosurface Server Time
26 Apr 2024 10:00:29 EDT (-0400)
  Re: Holes in isosurface  
From: Mike Horvath
Date: 8 Mar 2017 06:52:12
Message: <58bff06c$1@news.povray.org>
On 3/8/2017 4:41 AM, omniverse wrote:
> Thomas de Groot <tho### [at] degrootorg> wrote:
>>
>> To test this I need the fFinal() fInpX() fInpY() fInpZ() functions too.
>
> Okay, maybe Thomas has figured this out too. I was just trying to think it out
> using other functions and got nowhere but I did suspect something I had happen
> before:
>
> I ran your files as animation and found nothing wrong...
> except after about clock=0.52 and until about clock=0.72
>
> What's going on is simply a case of max_gradient 50 being too low for that
> particular segment of frames.
>
> That isosurface requires up to max_gradient 60 from what I found during that
> part of the animation.
>
> Try this instead of max_gradient:
>
> evaluate 15,4,0.7
>
> That will give a minimum gradient value with a multiple of 4 (=60) and change
> rate.
> Better yet, read about that at:
>
> http://wiki.povray.org/content/Reference:Isosurface
>
>

That seems to work. Thank you!

Mike


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