On 1/9/2016 7:07 PM, clipka wrote:
> Am 10.01.2016 um 00:38 schrieb Mike Horvath:
>
>> I also tweaked the parabolic nose shield. I am very unhappy with the
>> texture however. It's supposed to simulate a wire mesh, not a solid
>> surface, but I don't think it's working. Here is the texture:
>
> No that indeed doesn't work at all.
>
> You'll want "micronormals", i.e. some "normal {...}" statement with a
> pattern scaled so small that it is no longer visible in the image.
>
> Ideally the structure of the pattern should match the structure of
> whatever material you intend to simulate.
>
> Make sure you don't get moiree effects from it though; anti-aliasing
> might do the trick, otherwise I'd recommend using a tiny bit of focal
> blur, or use UberPOV's anti-aliasing mode 3. Or you might just choose a
> random pattern, which won't be as close to the real deal but will not
> cause any moiree at all.
>
> Speaking of UberPOV, if you go down that route another alternative would
> be to just use highly blurred reflections.
>


How would I create the pattern? The radial part is easy, but how do I 
get the ribbed portion? Which function do I use?

f_paraboloid(x,y,z, P0)

Or something else?

Post a reply to this message