On 4-2-2019 20:06, Bald Eagle wrote:
> ingo <ing### [at] tagpovrayorg> wrote:
>> Proof of concept, voronoi forrest with about a 100 trees and saplings
>> with non intersecting foliage.
> 
>> I won't persue this any more for the moment eventhough there are many
>> possibilties. Also for clouds etc.
> 
> 
> Nice, although I might be tempted to loosely correlate the size of the bole with
> the height of the tree and diameter of the trunk.
> Tall narrow trees might be done with scaled spheres to give a tall but narrow
> ellipsoid.
> 
> Good work  :)
> 

I agree. Incidentally, in one of the latest Nature journals (vol.265, 17 
January 2019, p.280) there was a photograph heading the article "The 
Forest Question", that shows the canopy of a trees species - I think 
from Madagascar - that do not touch mutually. The branches just stop 
growing before reaching the canopy of a neighbouring tree. From below, 
it gives the impression of a crackle pattern.

This is an exception. most other trees have more or less 
interpenetrating canopies.

-- 
Thomas

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