mapActor Library Method
Short Description: Map other HTML element and paint
Signature: x.mapActor (el[,texturecanvas])
Class: Material Class
Selects an image of the given element as texture for the current material.
Implicitly paints the element
to the given texturecanvas. texturecanvas may be 1 or 2, 1 is the default.
el may be a DOM node or a string giving the id of the intended element.
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