POV-Ray : Newsgroups : povray.binaries.animations : Mysterious vanishing isosurface : Re: Mysterious vanishing isosurface Server Time
7 Jul 2022 03:05:28 EDT (-0400)
  Re: Mysterious vanishing isosurface  
From: Mike Horvath
Date: 11 Dec 2016 18:50:58
Message: <584de662$1@news.povray.org>
On 12/11/2016 9:09 AM, William F Pokorny wrote:
> On 12/10/2016 07:50 AM, Mike Horvath wrote:
>> On 12/9/2016 12:55 PM, William F Pokorny wrote:
>>> On 12/08/2016 09:36 PM, Mike Horvath wrote:
>>>> If I rotate the camera 90 degrees around the x axis, the isosurface
>>>> disappears.
>>>>
>>>> Mike
>>>
>>> Is there any chance the camera is ending up inside the contained_by
>>> shape for the isosurface?
>>>
>>> Bill P.
>>
>> I don't think so. My camera is 17 units away from the origin, and the
>> contained_by area is only 1 unit wide.
>>
>> (These values then get scaled by 200000.)
>>
>> Mike
>
> OK - it was a shot in the dark. I've not followed your color space
> function() development.
>
> A suggesting is trying the isosurface coded in your scene at a rotations
> around where it is breaking up, at a low resolution, no aa+, area light,
> etc., as
>
> isosurface {
> }
>
> not used by reference (github #114 (#113 is related)), so you get some
> idea what the max gradient really is and how it is changing.
>
> Bill P.

I don't understand. What are you saying?

Mike


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