set3D([ d [, zGap ]])

Sets the 3D depth of the layer, and the 3D gap between the current layer and the next layer.

Argument	Default	Description
d	-1	The 3D depth of the layer in pixels. -1 means the 3D depth is automatically calculated.
zGap	0	The 3D gap between the current layer and the next layer in pixels.

None