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specularExponent - SVG | MDN
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specularExponent
The specularExponent attribute controls the focus for the light source. The bigger the value the brighter the light.
You can use this attribute with the following SVG elements:
Example
html,
body,
svg {
height: 100%;
}
html
<svg viewBox="0 0 420 200" xmlns="https://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" filter="url(#diffuseLighting1)" />
<rect
x="220"
y="0"
width="200"
height="200"
filter="url(#diffuseLighting2)" />
</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 |
|---|
| Filter Effects Module Level 1 # element-attrdef-fespecularlighting-specularexponent |
| Filter Effects Module Level 1 # element-attrdef-fespotlight-specularexponent |