On Thu, 29 Apr 2010 04:45:04 +0200, Alain <aze### [at] qwertyorg> wrote:


>> Redoing a scene I lost when my old PC went belly-up.
>>
>> It's an idea I have for a painting that I want to make. So now I firs
t
>> want to try and create a "photo" to paint from - with Pov-Ray :)
>> I still need to add doors, windows, fire-escape and trash. Any
>> suggestions on how to do these objects will be highly appreciated.
>>
>> I ran into memory problems with the isosurface bricks, so this is a
>> mixture of isosurface and mesh bricks using Bill Pragnells mesh relie
f
>> macro. I have 5 different mesh bricks, randomly mirrored and rotated,

>> but I still get 3 of the same bricks in a row. Any ideas on how to ge
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>> it more random?
>>
>> Also struggling with the tar texture. I'm trying to get the effect of

>> old cracked tar. It's an isosurface using a pigment function.
>>
>>
>> Suggestions, help and critique welcome.
>>
>> -Nekar Xenos-
>
> Random don't mean that there is no repeating pattern.
> If you want to reduce the succession, you can:
> - Use another random seed.
> - Add some slight texture changes: pigment and normals.
> - Define one or two more bricks.
>
> For the windows, as you are using individual bricks, remove the bricks
  

> in the window's openings. Turn the bricks protuding into the window 90
  

> degrees, or use some half bricks.
>
> Old asphalt is much lighter, normaly, it's a relatively light gray.
>
>
> Alain

Thanks Alain.

I see also now my code was a bit faulty as well. Now that I've fixed it 
 

up, there are no noticeable repeats.

Still working on that asphalt. When it looks believable, the cracks don'
t  

show, and vice versa...

-Nekar Xenos-

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