Description Available Attribute Values Used by the Elements
Sets the dx dy values to be used in the surface normal calculations.
The value is a numeric vector having length 1 or 2.
Specifies the dx, (dy) to be used in calculating the unit normal vector. The default for dx is a small distance, the default for dy is dx. It is advised that at minimal, one should specifies filterRes or kernelUnitLength to assure consistency across displays.
feSpecularLighting
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.