This article is in need of a technical review.
surfaceScale attribute represent the height of the surface for a light filter primitive. If the attribute is not specified, then the effect is as if a value of 1 were specified.
|Normative document||SVG 1.1 (2nd Edition) : feDiffuseLighting
SVG 1.1 (2nd Edition) : feSpecularLighting
The following elements can use the