POV-Ray : Newsgroups : povray.newusers : Melting Simulation : Re: Melting Simulation Server Time
30 Jun 2024 04:19:43 EDT (-0400)
  Re: Melting Simulation  
From: pH
Date: 20 Aug 2011 00:40:01
Message: <web.4e4f3a67378ab76d2fab58380@news.povray.org>
Alain <aze### [at] qwertyorg> wrote:

> > I suggest using the 'blob' object.
> >
> >
>
> I tend to agree. With a blob, it will also be faster than using many
> superellipsoids in a merge.
>
> The superellipsoid is a relatively slow primitive. When using a merge,
> once you hit the bounding box of the merge, you need to test and
> evaluate each and every components.
>
> With a blob, there is a great deal of optimisations done, starting with
> an internal bounding hierarchy. You only evaluate the closest components.
> A blob tends to produce rounder shapes.
>
> As for the particles been to heavy, have you tryed making them lighter
> but increase the thermal inertia?
> You can also increase the surface tention to compensate.
> You can also decrease the heat imput proportionately to the mass.
>
>
>
> Alain

Thanks guys.. I'll tinker with the values more to get a more realistic effect.
The problem i had with blobs was that I had to keep changing the threshold and
radii to make sure the cube is large enough and the molten water droplets are
not too big.

-pH


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