public:

TGeoTrap TGeoTrap() TGeoTrap TGeoTrap(Double_t dz, Double_t theta, Double_t phi) TGeoTrap TGeoTrap(Double_t dz, Double_t theta, Double_t phi, 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 TGeoTrap(const TGeoTrap&) virtual void ~TGeoTrap() static TClass* Class() virtual TGeoVolume* Divide(TGeoVolume* voldiv, const char* divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) virtual TGeoVolume* Divide(TGeoVolume* voldiv, const char* divname, Int_t iaxis, Double_t step) Double_t GetAlpha1() const Double_t GetAlpha2() const Double_t GetBl1() const Double_t GetBl2() const Double_t GetH1() const Double_t GetH2() const virtual TGeoShape* GetMakeRuntimeShape(TGeoShape* mother) const Double_t GetPhi() const Double_t GetTheta() const Double_t GetTl1() const Double_t GetTl2() const virtual TClass* IsA() const virtual void ShowMembers(TMemberInspector& insp, char* parent) virtual void Streamer(TBuffer& b) void StreamerNVirtual(TBuffer& b)

protected:

Double_t fThetatheta angleDouble_t fPhiphi angleDouble_t fH1half length in y at low zDouble_t fBl1half length in x at low z and y low edgeDouble_t fTl1half length in x at low z and y high edgeDouble_t fAlpha1angle between centers of x edges an y axis at low zDouble_t fH2half length in y at high zDouble_t fBl2half length in x at high z and y low edgeDouble_t fTl2half length in x at high z and y high edgeDouble_t fAlpha2angle between centers of x edges an y axis at low z

- TGeoGtra

TGeoTrap TRAP is a general trapezoid, i.e. one for which the faces perpendicular to z are trapezia and their centres are not the same x, y. It has 11 parameters: the half length in z, the polar angles from the centre of the face at low z to that at high z, H1 the half length in y at low z, LB1 the half length in x at low z and y low edge, LB2 the half length in x at low z and y high edge, TH1 the angle w.r.t. the y axis from the centre of low y edge to the centre of the high y edge, and H2, LB2, LH2, TH2, the corresponding quantities at high z. /* */

TGeoTrap()

dummy ctor

TGeoTrap(Double_t dz, Double_t theta, Double_t phi)

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

constructor. Have to work on it !!!!

~TGeoTrap()

destructor

TGeoVolume* Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)

--- Divide this trapezoid shape belonging to volume "voldiv" into ndiv volumes called divname, from start position with the given step. Only Z divisions are supported. For Z divisions just return the pointer to the volume to be divided. In case a wrong division axis is supplied, returns pointer to volume that was divided.

TGeoVolume* Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Double_t step)

Divide all range of iaxis in range/step cells

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 GetTheta() const Double_t GetPhi() const Double_t GetH1() const Double_t GetBl1() const Double_t GetTl1() const Double_t GetAlpha1() const Double_t GetH2() const Double_t GetBl2() const Double_t GetTl2() const Double_t GetAlpha2() const TClass* Class() TClass* IsA() const void ShowMembers(TMemberInspector& insp, char* parent) void Streamer(TBuffer& b) void StreamerNVirtual(TBuffer& b) TGeoTrap TGeoTrap(const TGeoTrap&)

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