Struct Acts::TGeoSurfaceConverter¶
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struct Acts::TGeoSurfaceConverter
Helper struct to convert TGeoShapes into Surface or Volume Bounds.
Public Static Functions
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static std::tuple<std::shared_ptr<const CylinderBounds>, const Transform3, double> cylinderComponents(const TGeoShape &tgShape, const Double_t *rotation, const Double_t *translation, const std::string &axes, double scalor = 10.) noexcept(false)
Convert a TGeoShape into cylinder surface components.
- Parameters
tgShape – The TGeoShape
rotation – The rotation matrix as Double_t* from root
translation – The translation vector as Double_t* from root
axes – The axes definition
scalor – The unit scalor between TGeo and Acts
- Returns
tuple of DiscBounds, Trasnform, thickness
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static std::tuple<std::shared_ptr<const DiscBounds>, const Transform3, double> discComponents(const TGeoShape &tgShape, const Double_t *rotation, const Double_t *translation, const std::string &axes, double scalor = 10.) noexcept(false)
Convert a TGeoShape into disk surface components.
- Parameters
tgShape – The TGeoShape
rotation – The rotation matrix as Double_t* from root
translation – The translation vector as Double_t* from root
axes – The axes definition
scalor – The unit scalor between TGeo and Acts
- Returns
tuple of DiscBounds, Trasnform, thickness
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static std::tuple<std::shared_ptr<const PlanarBounds>, const Transform3, double> planeComponents(const TGeoShape &tgShape, const Double_t *rotation, const Double_t *translation, const std::string &axes, double scalor = 10.) noexcept(false)
Convert a TGeoShape into plane surface components.
- Parameters
tgShape – The TGeoShape
rotation – The rotation matrix as Double_t* from root
translation – The translation as a Double_t*
axes – The axes definition
scalor – The unit scalor between TGeo and Acts
- Returns
tuple of PlanarBounds, Trasnform, thickness
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static inline double toRadian(double degree)
Transalte TGeo degree [0, 360) to radian.
will correct to [-pi,pi)
- Parameters
degree – The input in degree
- Returns
angle in radians
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static std::shared_ptr<Surface> toSurface(const TGeoShape &tgShape, const TGeoMatrix &tgMatrix, const std::string &axes, double scalor = 10.) noexcept(false)
Convert a TGeoShape to a Surface.
- Parameters
tgShape – The TGeoShape
tgMatrix – The matrix representing the tranbsform
axes – The axes definition
scalor – The unit scalor between TGeo and Acts
- Returns
shared pointer to a surface
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static std::tuple<std::shared_ptr<const CylinderBounds>, const Transform3, double> cylinderComponents(const TGeoShape &tgShape, const Double_t *rotation, const Double_t *translation, const std::string &axes, double scalor = 10.) noexcept(false)