public void setLighting([ double ambientIntensity, double diffuseIntensity, double specularIntensity, double shininess ])

Sets Phong lighting mode.

This method adjusts the brightness of the surfaces as according to the Phong lighting model, in which the light source is from the viewer direction and is far away.

For a cone or funnel chart, this is the default coloring method.

For a pyramid chart, only ambient and diffuse reflections are used.

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