SingleFooting grid types

Variables
const int	Renga::GridTypes::SingleFooting::Undefined = 0
	Undefined.
const int	Renga::GridTypes::SingleFooting::Side = 1
	Side faces of a single footing.
const int	Renga::GridTypes::SingleFooting::Bottom = 2
	Bottom face of a single footing.
const int	Renga::GridTypes::SingleFooting::Top = 3
	Top face of a single footing.
const int	Renga::GridTypes::SingleFooting::Cut = 4
	Faces appearing as a result of cutting a single footing by other objects.

Possible grid types for a SingleFooting mesh