Doctor John <j.g### [at] gmailcom> wrote:
> On 30/01/14 12:20, William F Pokorny wrote:
> > John & John,
> > I believe we found previously that if you render the isosurface NOT
> > wrapped in an object, the maximum gradient warning is issued in 3.7. I
> > thought the idea was to document this issue, but I admit I lost track.
> >
> > When you get warnings it was the case in 3.7, unless running one thread,
> > the value might not be the absolute maximum seen because values are
> > getting overwritten by differing threads.
> >
> > Bill P.
>
> Thanks for that, Bill.
>
> So, John, the thing is to do a test run on your (naked) isosurface
> without any CSG operations then, when you've got max_gradient right,
> proceed to your full CSG modified scene.
>
> BTW Christoph Hormann has some good information regarding isosurface CSG
> in http://www.imagico.de/pov/ic/index.php
>
> John
> --
> Protect the Earth
> It was not given to you by your parents
> You hold it in trust for your children

Thanks for all the above. I will try and digest it in the next week.

John Greenwood

Post a reply to this message