> Nicolas George <nicolas$george@salle-s.org> wrote:
>> "Tom York"  wrote in message
>>> Yes. Although the actual shader language is usually quite low-level (often
>>> C-like), and therefore not particularly artist-friendly, most applications
>>> provide a specialised visual editor. These days they are usually based on
>>> nodes (plug a texture node into a diffuse shading node to get a texture
>>> mapped diffuse surface, for example). Some systems opt to use layers, but
>>> it ends up being the same. The systems are very powerful indeed, much more
>>> powerful than my textured diffuse example.
>> I do not think that can be called "writing" a shader.
> 
> Does it matter? As I said, I really doubt POV 4 will include such a visual
> editor.

But if there's a propre shading system, there are chances that someone
someday will write a GUI system like the one described to help designing
shaders.

Fabien.

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