POV-Ray : Newsgroups : povray.bugreports : Function bug with POV-Ray 3.7.1-alpha.8638272 Ubuntu 14.04 : Re: Function bug with POV-Ray 3.7.1-alpha.8638272 Ubuntu 14.04 Server Time: 20 Jul 2019 23:57:21 GMT
  Re: Function bug with POV-Ray 3.7.1-alpha.8638272 Ubuntu 14.04  
From: Le Forgeron
Date: 16 Jun 2016 16:16:44
Le 16/06/2016 17:38, clipka a écrit :
> Am 16.06.2016 um 16:25 schrieb William F Pokorny:
>> The code that follows should be rendering a sphere, but it doesn't for
>> me in POV-Ray 3.7.1-alpha.8638272. It would be useful if others running
>> the current master branch could confirm whether the same is seen -
>> especially if seen in windows. Thanks.
> 
> I can confirm this issue for the Windows version as well. Some `#debug`
> output of function results indicate that the function VM operates ok, so
> we seem to be looking at an issue in the isosurface algorithm. (Also
> note how fn01 through fn03 give a spherical shape, but broken shading.)
> 
> If anyone has sufficient time at hand to go through previous versions
> and track down which version was the first to exhibit this problem, I'd
> be much obliged.
> 

If it can help, the bug was not introduced yet in hgpovray-master, which should limit
the search between 9 April 2015 to now.

Do not expect more from me before the week-end or even next month, the work that pay
is exhausting me so far.


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