"Jaime Vives Piqueres" <jai### [at] ignoranciaorg> schreef in bericht 
news:47bd52c9@news.povray.org...

>> The stone texture is now a complex layering of Jim Charter's 
>> StainedStones macro, Meothuru's corrosion texture, and my own lichen 
>> texture. Forget - for the time being - the need for better radiosity 
>> settings and a finer aa. All in due time.
>
>   Then I think it looks promising... with better radiosity and aa it 
> surely will look impressive. The texture looks right, perhaps each block 
> needs it's own "gradient y" dirty layer on top. Also, have you tried a 
> much lower point of view?

the blocks have this gradient (Jim's macro) but it is now somewhat obscured 
by Meothuru's texture (although that one is semi transparant) I shall see 
what I can do.

>
>> I added a height_field with a sand ripple texture. The bad thing is that 
>> the sand does not react whatsoever with obstacles like the columns. That 
>> is simply not good enough although the idea itself is sound. So, I shall 
>> have to think about a way to simulate that...
>
>   Perhaps you can remake this heightfield with a top orthographic view of 
> the current scene, using something in place of each column to simulate the 
> accumulated sand around. This "something" can be perhaps another 
> heighfield with an "island-like" shape, randomly rotated for each 
> column... so you would get a heighfield with a peak in place of each 
> column. I hope my explanation is understandable...
>

Perfectly clear Jaime! I have in fact been thinking exactly in that 
direction and it is something I want to experiment with.

Thomas

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