Tubes

Tubes have Z as their symmetry axis.

Classes
class	TGeoCtub
	The cut tubes constructor has the form: More...
class	TGeoEltu
	An elliptical tube is defined by the two semi-axes A and B. More...
class	TGeoTube
	Cylindrical tube class. More...
class	TGeoTubeSeg
	A tube segment is a tube having a range in phi. More...