public:

TGeoGtra TGeoGtra() TGeoGtra TGeoGtra(Double_t dz, Double_t theta, Double_t phi, Double_t twist, Double_t h1, Double_t bl1, Double_t tl1, Double_t alpha1, Double_t h2, Double_t bl2, Double_t tl2, Double_t alpha2) TGeoGtra TGeoGtra(const char* name, Double_t dz, Double_t theta, Double_t phi, Double_t twist, Double_t h1, Double_t bl1, Double_t tl1, Double_t alpha1, Double_t h2, Double_t bl2, Double_t tl2, Double_t alpha2) TGeoGtra TGeoGtra(const TGeoGtra&) virtual void ~TGeoGtra() static TClass* Class() virtual Double_t DistToIn(Double_t* point, Double_t* dir, Int_t iact = 1, Double_t step = 0, Double_t* safe = 0) const virtual Double_t DistToOut(Double_t* point, Double_t* dir, Int_t iact = 1, Double_t step = 0, Double_t* safe = 0) const virtual TGeoShape* GetMakeRuntimeShape(TGeoShape* mother) const Double_t GetTwistAngle() const virtual TClass* IsA() const virtual void ShowMembers(TMemberInspector& insp, char* parent) virtual void Streamer(TBuffer& b) void StreamerNVirtual(TBuffer& b)

protected:

Double_t fTwistAngletwist angle in degrees

TGeoArb8 - a arbitrary trapezoid with less than 8 vertices standing on two paralel planes perpendicular to Z axis. Parameters : - dz - half length in Z; - xy[8][2] - vector of (x,y) coordinates of vertices - first four points (xy[i][j], i<4, j<2) are the (x,y) coordinates of the vertices sitting on the -dz plane; - last four points (xy[i][j], i>=4, j<2) are the (x,y) coordinates of the vertices sitting on the +dz plane; The order of defining the vertices of an arb8 is the following : - point 0 is connected with points 1,3,4 - point 1 is connected with points 0,2,5 - point 2 is connected with points 1,3,6 - point 3 is connected with points 0,2,7 - point 4 is connected with points 0,5,7 - point 5 is connected with points 1,4,6 - point 6 is connected with points 2,5,7 - point 7 is connected with points 3,4,6 Points can be identical in order to create shapes with less than 8 vertices.

TGeoGtra()

dummy ctor

TGeoGtra(Double_t dz, Double_t theta, Double_t phi, Double_t twist, Double_t h1, Double_t bl1, Double_t tl1, Double_t alpha1, Double_t h2, Double_t bl2, Double_t tl2, Double_t alpha2) :TGeoTrap(dz, theta, phi, h1, bl1, tl1, alpha1, h2, bl2, tl2, alpha2)

constructor.

TGeoGtra(const char *name, Double_t dz, Double_t theta, Double_t phi, Double_t twist, Double_t h1, Double_t bl1, Double_t tl1, Double_t alpha1, Double_t h2, Double_t bl2, Double_t tl2, Double_t alpha2) :TGeoTrap(name, dz, theta, phi, h1, bl1, tl1, alpha1, h2, bl2, tl2, alpha2)

constructor.

~TGeoGtra()

destructor

TGeoShape* GetMakeRuntimeShape(TGeoShape *mother) const

in case shape has some negative parameters, these has to be computed in order to fit the mother

Double_t DistToOut(Double_t* point, Double_t* dir, Int_t iact = 1, Double_t step = 0, Double_t* safe = 0) const Double_t DistToIn(Double_t* point, Double_t* dir, Int_t iact = 1, Double_t step = 0, Double_t* safe = 0) const Double_t GetTwistAngle() const TClass* Class() TClass* IsA() const void ShowMembers(TMemberInspector& insp, char* parent) void Streamer(TBuffer& b) void StreamerNVirtual(TBuffer& b) TGeoGtra TGeoGtra(const TGeoGtra&)

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