Le 2020-10-14 à 03:02, Thomas de Groot a écrit :
> Please find here the (last) version of the scene. Search for the 
> differences ;-)
> 
> One notable change I want to elaborate on a bit. I dumped Gilles Tran's 
> MakeGrass and replaced it by Lawnmaker from Uwe Gleiss (2004). 
> Unfortunately, his website from where it was downloaded does not exist 
> anymore. Interestingly, the grass blades were made of parametric objects 
> and I remembered the infinite time it took to render a proper scene, so 
> I never used it. William Pokorny's discovery about the optimal settings 
> for parametric objects, made me curious of course and, Lo! Lawnmaker 
> suddenly became a serious candidate. Not stopping there, and interested 
> as I am in using mesh2{} files, I decided to experiment with Meshmaker 
> (thanks Ingo!). With the help of an example file by Friedrich 
> Lohmueller, I made the conversion within a couple of minutes. Taking 
> into account the size of the grasspatches and their grass blade density 
> (which can increase parsing time quite rapidly) a typical lawn renders 
> very fast, hardly slower than the rest of the scene.
> 

That grass is MUCH better than the original.

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