In article <3A9B8F8A.368EA80C@nirvana.net>, "A.B." 
<any### [at] nirvananet> wrote:

> Sorry, but i think this is not quite right. Also in liquids convection
> occures. If you put some color small particles into an liquid you can
> see it, i.e. Put some cold milk into hot coffee, but be very carefully:

They are only called atmospheric particles, there is nothing stopping 
you from using them in liquids. However, I will probably add a liquid 
particle type as well, which will also do convection, as well as other 
liquid behaviors...or eliminate different particle types altogether.


> However one problem is there with water as liquid, as water has highest
> density at 4 degrees Celsius (sorry I don't know the degrees of
> Farenheit): That is also colder water will rise! (The cause why you find
> in winter unfrozen water at the bottom of lakes, and the water will
> freese from the top of the lakes. Additional to the fact that ice is
> lighter water, the freezing process really begins the water surface)

I am aware of this, but I do not plan to simulate this effect, since it 
happens to few liquids besides water and will be irrelevant 99.9999% of 
the times the particle_system patch is used.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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