"Kirk Andrews" <kir### [at] tektonartcom> schreef in bericht 
news:4ae7414b$1@news.povray.org...
> Thomas de Groot wrote:

>> Something troubles me with this river meandering through the landscape. 
>> It seems to go uphill in some places, but maybe that is an illusion. 
>> Looks to steep too in places, without rapids. Difficult to get this 
>> aspect correctly, I know...
>
> It may, in fact, flow upwards a bit. :)  Like I said, rivers are tough! In 
> fact, if you saw the river close enough, you would see that its surface is 
> remarkably convex at points and concave at others.

Yeah... I saw that too. Up to now, I have not really attempted rivers in a 
landscape because I saw the problems to get it right.... I shall have to do 
something about this soon, though.

Thomas

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