this image might help you see what can be done with RM shaders

http://www.bmrt.org/bmrtimages/merritt-fruit3.jpg

if you know of an image that comes close to that level of photorealism in
pov, tell me

also pov has nothing like displacement shaders, which allow you to physiclly
alter the surface of an object based on whatever you tell it to do, examples
include hair shaders, shaders that can create a 3d weave pattern on an object
(or based upon the shape of the object depending upon the shader), etc etc

also like was previoulsy mentioned having the ability to anti-alias specifc
shaders is extremely useful

Warp wrote:

>   What could be done with the shader not possible with pigment functions
> (which are going to be included in pov3.5 most probably)?
>
> --
> main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
> ):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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