The specularExponent
attribute controls the focus for the light source. The bigger the value the brighter the light.
Two elements are using this attribute: <feSpecularLighting>
and <feSpotLight>
<svg viewBox="0 0 420 200" xmlns="http://www.w3.org/2000/svg">
<filter id="diffuseLighting1" x="0" y="0" width="100%" height="100%">
<feSpecularLighting in="SourceGraphic" specularExponent="1">
<fePointLight x="60" y="60" z="20" />
</feSpecularLighting>
</filter>
<filter id="diffuseLighting2" x="0" y="0" width="100%" height="100%">
<feSpecularLighting in="SourceGraphic" specularExponent="5">
<fePointLight x="60" y="60" z="20" />
</feSpecularLighting>
</filter>
<rect x="0" y="0" width="200" height="200" style="filter: url(#diffuseLighting1);" />
<rect x="0" y="0" width="200" height="200"
style="filter: url(#diffuseLighting2); transform: translateX(220px);" />
</svg>
feSpecularLighting
For <feSpecularLighting>
, specularExponent
defines the exponent value for the specular term.
Value | <number> |
---|---|
Default value | 1 |
Animatable | Yes |
feSpotLight
For <feSpotLight>
, specularExponent
defines the exponent value controlling the focus for the light source.
Value | <number> |
---|---|
Default value | 1 |
Animatable | Yes |
Specifications
Specification | Status | Comment |
---|---|---|
Filter Effects Module Level 1 The definition of 'specularExponent for <feSpecularLighting>' in that specification. |
Working Draft | No change |
Filter Effects Module Level 1 The definition of 'specularExponent for <feSpotLight>' in that specification. |
Working Draft | No change |
Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of 'specularExponent for <feSpecularLighting>' in that specification. |
Recommendation | Initial definition for <feSpecularLighting> |
Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of 'specularExponent for <feSpotLight>' in that specification. |
Recommendation | Initial definition for <feSpotLight> |