Assets:	Kay Lousberg
M:	Show/Hide Menu
I:	Projection
O:	Obj type
B / R / T:	Building / Road / Tree
Space:	Rotate
Del / C:	Delete / NOP
G / F8:	Generate / Save
V:	View (WASD)
Alpha:	0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0