On 21.03.2016 20:42, Christian Froeschlin wrote:
> On 21.03.2016 13:44, bocovp wrote:
>
>> I will need to render dozens of such papers stacked on top of each other.
>> Besides, I am going to render a video file where the scene is rotating.
>> So, I believe, even small offset being multiplied by, say, 20 will
>> look no so
>> good at some particular camera positions.
>
> I would say it is the other way around: if you model the geometry
> based on reality then chances are better that you still get good results
> after changing camera or lighting compared to just faking the effect.
>
> But of course, there may be other reasons to prefer a different
> approach. Since you are doing animation performance may be a factor.
> In that case using a simple box with marble pattern, black / white
> color_map and slight turbulence might work.

Something like

     pigment
     {
       marble scale <0.01,1,1> turbulence 0.2 color_map
       {
         [0.15 rgb 0]
         [0.2 rgb 1]
       }
     }

although it needs high antialiasing so performance may not be great
after all. I needed at least +a0.0001 for closeup render.

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