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Reference Guide
 
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In general, we will call trapezoidal shapes having 8 vertices and up to 6 trapezoid faces. Besides that, two of the opposite faces are parallel to XY plane and are positioned at dZ. Since general trapezoids are seldom used in detector geometry descriptions, there are several primitives implemented in the modeller for particular cases.

Classes

class  TGeoArb8
 An arbitrary trapezoid with less than 8 vertices standing on two parallel planes perpendicular to Z axis. More...
 
class  TGeoGtra
 A twisted trapezoid. More...
 
class  TGeoTrap
 A general trapezoid. More...
 
class  TGeoTrd1
 A trapezoid with only X varying with Z. More...
 
class  TGeoTrd2
 A trapezoid with only X varying with Z. More...