POV-Ray : Newsgroups : povray.binaries.images : Holes in isosurface : Re: Holes in isosurface Server Time
7 Nov 2024 02:24:13 EST (-0500)
  Re: Holes in isosurface  
From: Thomas de Groot
Date: 8 Mar 2017 07:12:02
Message: <58bff512$1@news.povray.org>
On 8-3-2017 12:52, Mike Horvath wrote:
> 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

I was not yet that far, but I was thinking in the same direction. 
Evaluate is a good tool to use in this context.

-- 
Thomas


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