Chris Huff <chr### [at] maccom> wrote:

> In article <3aae1467@news.povray.org>, Geoff Wedig 
> <wed### [at] darwinepbicwruedu> wrote:

>> It was a mistake on my part, because I (stupidly) assumed that a normal
>> takes a normal_map.  I don't know why I thought that, since a pigment
>> doesn't take a pigment_map, nor a texture a texture_map, but I did.

> Um, a normal *can* take a normal_map. A pigment can take a pigment_map, 
> and a texture can take a texture_map. No finish_map, though...
> And their syntaxes are all consistent...a normal_map takes normal stuff, 
> a pigment_map takes pigment stuff, and a texture_map takes texture stuff.
> The slope_map is just more like a color_map than a pigment_map, it 
> interpolates between slopes, not normals, like the color_map 
> interpolates between colors instead of pigments.

Right.  So the only thing I'm wondering is, why was the error being reported
in the external normal rather than the internal one?

Geoff

Post a reply to this message