Interface to Monte Carlo geometry construction. More...

#include <TVirtualMCGeometry.h>

Inheritance diagram for TVirtualMCGeometry:

Public Member Functions
	TVirtualMCGeometry (const char name, const char title)
	Standard constructor.

	TVirtualMCGeometry ()
	Default constructor.

virtual	~TVirtualMCGeometry ()
	Destructor.

virtual void	Material (Int_t &kmat, const char name, Double_t a, Double_t z, Double_t dens, Double_t radl, Double_t absl, Float_t buf, Int_t nwbuf)=0
	Define a material.

virtual void	Material (Int_t &kmat, const char name, Double_t a, Double_t z, Double_t dens, Double_t radl, Double_t absl, Double_t buf, Int_t nwbuf)=0
	The same as previous but in double precision.

virtual void	Mixture (Int_t &kmat, const char name, Float_t a, Float_t z, Double_t dens, Int_t nlmat, Float_t wmat)=0
	Define mixture or compound with a number kmat composed by the basic nlmat materials defined by arrays a, z and wmat.

virtual void	Mixture (Int_t &kmat, const char name, Double_t a, Double_t z, Double_t dens, Int_t nlmat, Double_t wmat)=0
	The same as previous but in double precision.

virtual void	Medium (Int_t &kmed, const char name, Int_t nmat, Int_t isvol, Int_t ifield, Double_t fieldm, Double_t tmaxfd, Double_t stemax, Double_t deemax, Double_t epsil, Double_t stmin, Float_t ubuf, Int_t nbuf)=0
	Define a medium.

virtual void	Medium (Int_t &kmed, const char name, Int_t nmat, Int_t isvol, Int_t ifield, Double_t fieldm, Double_t tmaxfd, Double_t stemax, Double_t deemax, Double_t epsil, Double_t stmin, Double_t ubuf, Int_t nbuf)=0
	The same as previous but in double precision.

virtual void	Matrix (Int_t &krot, Double_t thetaX, Double_t phiX, Double_t thetaY, Double_t phiY, Double_t thetaZ, Double_t phiZ)=0
	Define a rotation matrix.

virtual Int_t	Gsvolu (const char name, const char shape, Int_t nmed, Float_t *upar, Int_t np)=0
	Create a new volume.

virtual Int_t	Gsvolu (const char name, const char shape, Int_t nmed, Double_t *upar, Int_t np)=0
	The same as previous but in double precision.

virtual void	Gsdvn (const char name, const char mother, Int_t ndiv, Int_t iaxis)=0
	Create a new volume by dividing an existing one.

virtual void	Gsdvn2 (const char name, const char mother, Int_t ndiv, Int_t iaxis, Double_t c0i, Int_t numed)=0
	Create a new volume by dividing an existing one.

virtual void	Gsdvt (const char name, const char mother, Double_t step, Int_t iaxis, Int_t numed, Int_t ndvmx)=0
	Create a new volume by dividing an existing one Divide mother into divisions called name along axis iaxis in steps of step.

virtual void	Gsdvt2 (const char name, const char mother, Double_t step, Int_t iaxis, Double_t c0, Int_t numed, Int_t ndvmx)=0
	Create a new volume by dividing an existing one Divides mother into divisions called name along axis iaxis starting at coordinate value c0 with step size step.

virtual void	Gsord (const char *name, Int_t iax)=0
	Flag volume name whose contents will have to be ordered along axis iax, by setting the search flag to -iax (Geant3 only)

virtual void	Gspos (const char name, Int_t nr, const char mother, Double_t x, Double_t y, Double_t z, Int_t irot, const char *konly="ONLY")=0
	Position a volume into an existing one.

virtual void	Gsposp (const char name, Int_t nr, const char mother, Double_t x, Double_t y, Double_t z, Int_t irot, const char konly, Float_t upar, Int_t np)=0
	Place a copy of generic volume name with user number nr inside mother, with its parameters upar(1..np)

virtual void	Gsposp (const char name, Int_t nr, const char mother, Double_t x, Double_t y, Double_t z, Int_t irot, const char konly, Double_t upar, Int_t np)=0
	The same as previous but in double precision.

virtual void	Gsbool (const char onlyVolName, const char manyVolName)=0
	Helper function for resolving MANY.

virtual Bool_t	GetTransformation (const TString &volumePath, TGeoHMatrix &matrix)=0
	Return the transformation matrix between the volume specified by the path volumePath and the top or master volume.

virtual Bool_t	GetShape (const TString &volumePath, TString &shapeType, TArrayD &par)=0
	Return the name of the shape (shapeType) and its parameters par for the volume specified by the path volumePath .

virtual Bool_t	GetMaterial (const TString &volumeName, TString &name, Int_t &imat, Double_t &a, Double_t &z, Double_t &density, Double_t &radl, Double_t &inter, TArrayD &par)=0
	Return the material parameters for the volume specified by the volumeName.

virtual Bool_t	GetMedium (const TString &volumeName, TString &name, Int_t &imed, Int_t &nmat, Int_t &isvol, Int_t &ifield, Double_t &fieldm, Double_t &tmaxfd, Double_t &stemax, Double_t &deemax, Double_t &epsil, Double_t &stmin, TArrayD &par)=0
	Return the medium parameters for the volume specified by the volumeName.

virtual Int_t	VolId (const char *volName) const =0
	Return the unique numeric identifier for volume name volName.

virtual const char *	VolName (Int_t id) const =0
	Return the volume name for a given volume identifier id.

virtual Int_t	MediumId (const char *mediumName) const =0
	Return the unique numeric identifier for medium name mediumName.

virtual Int_t	NofVolumes () const =0
	Return total number of volumes in the geometry.

virtual Int_t	NofVolDaughters (const char *volName) const =0
	Return number of daughters of the volume specified by volName.

virtual const char *	VolDaughterName (const char *volName, Int_t i) const =0
	Return the name of i-th daughter of the volume specified by volName.

virtual Int_t	VolDaughterCopyNo (const char *volName, Int_t i) const =0
	Return the copyNo of i-th daughter of the volume specified by volName.

virtual Int_t	VolId2Mate (Int_t id) const =0
	Return material number for a given volume id.

Protected Member Functions
	TVirtualMCGeometry (const TVirtualMCGeometry &)

TVirtualMCGeometry &	operator= (const TVirtualMCGeometry &)

Detailed Description

Interface to Monte Carlo geometry construction.

This class has been separated from VirtualMC and it is used internally in TVirtualMC implementations.

Definition at line 35 of file TVirtualMCGeometry.h.

Constructor & Destructor Documentation

◆ TVirtualMCGeometry() [1/3]

TVirtualMCGeometry::TVirtualMCGeometry	(	const char *	name,
		const char *	title
	)

Standard constructor.

Definition at line 38 of file TVirtualMCGeometry.cxx.

◆ TVirtualMCGeometry() [2/3]

TVirtualMCGeometry::TVirtualMCGeometry ( )

Default constructor.

Definition at line 45 of file TVirtualMCGeometry.cxx.

◆ ~TVirtualMCGeometry()

TVirtualMCGeometry::~TVirtualMCGeometry ( )

virtual

Destructor.

Definition at line 52 of file TVirtualMCGeometry.cxx.

◆ TVirtualMCGeometry() [3/3]

TVirtualMCGeometry::TVirtualMCGeometry ( const TVirtualMCGeometry & )

protected

Member Function Documentation

◆ Material() [1/2]

virtual void TVirtualMCGeometry::Material	(	Int_t &	kmat,
		const char *	name,
		Double_t	a,
		Double_t	z,
		Double_t	dens,
		Double_t	radl,
		Double_t	absl,
		Float_t *	buf,
		Int_t	nwbuf
	)

pure virtual

Define a material.

kmat number assigned to the material
name material name
a atomic mass in au
z atomic number
dens density in g/cm3
absl absorption length in cm; if >=0 it is ignored and the program calculates it, if <0. -absl is taken
radl radiation length in cm if >=0 it is ignored and the program calculates it, if <0. -radl is taken
buf pointer to an array of user words
nwbuf number of user words

Implemented in TGeoMCGeometry.

◆ Material() [2/2]

virtual void TVirtualMCGeometry::Material	(	Int_t &	kmat,
		const char *	name,
		Double_t	a,
		Double_t	z,
		Double_t	dens,
		Double_t	radl,
		Double_t	absl,
		Double_t *	buf,
		Int_t	nwbuf
	)

pure virtual

The same as previous but in double precision.

Implemented in TGeoMCGeometry.

◆ Mixture() [1/2]

virtual void TVirtualMCGeometry::Mixture	(	Int_t &	kmat,
		const char *	name,
		Float_t *	a,
		Float_t *	z,
		Double_t	dens,
		Int_t	nlmat,
		Float_t *	wmat
	)

pure virtual

Define mixture or compound with a number kmat composed by the basic nlmat materials defined by arrays a, z and wmat.

If nlmat > 0 then wmat contains the proportion by weights of each basic material in the mixture. If nlmat < 0 then wmat contains the number of atoms of a given kind into the molecule of the compound. In this case, wmat in output is changed to relative weights.

Implemented in TGeoMCGeometry.

◆ Mixture() [2/2]

virtual void TVirtualMCGeometry::Mixture	(	Int_t &	kmat,
		const char *	name,
		Double_t *	a,
		Double_t *	z,
		Double_t	dens,
		Int_t	nlmat,
		Double_t *	wmat
	)

pure virtual

The same as previous but in double precision.

Implemented in TGeoMCGeometry.

◆ Medium() [1/2]

virtual void TVirtualMCGeometry::Medium	(	Int_t &	kmed,
		const char *	name,
		Int_t	nmat,
		Int_t	isvol,
		Int_t	ifield,
		Double_t	fieldm,
		Double_t	tmaxfd,
		Double_t	stemax,
		Double_t	deemax,
		Double_t	epsil,
		Double_t	stmin,
		Float_t *	ubuf,
		Int_t	nbuf
	)

pure virtual

Define a medium.

kmed tracking medium number assigned
name tracking medium name
nmat material number
isvol sensitive volume flag
ifield magnetic field:
- ifield = 0 if no magnetic field;
- ifield = -1 if user decision in guswim;
- ifield = 1 if tracking performed with g3rkuta;
- ifield = 2 if tracking performed with g3helix;
- ifield = 3 if tracking performed with g3helx3.
fieldm max. field value (kilogauss)
tmaxfd max. angle due to field (deg/step)
stemax max. step allowed
deemax max. fraction of energy lost in a step
epsil tracking precision (cm)
stmin min. step due to continuous processes (cm)
ubuf pointer to an array of user words
nbuf number of user words

Implemented in TGeoMCGeometry.

◆ Medium() [2/2]

virtual void TVirtualMCGeometry::Medium	(	Int_t &	kmed,
		const char *	name,
		Int_t	nmat,
		Int_t	isvol,
		Int_t	ifield,
		Double_t	fieldm,
		Double_t	tmaxfd,
		Double_t	stemax,
		Double_t	deemax,
		Double_t	epsil,
		Double_t	stmin,
		Double_t *	ubuf,
		Int_t	nbuf
	)

pure virtual

The same as previous but in double precision.

Implemented in TGeoMCGeometry.

◆ Matrix()

virtual void TVirtualMCGeometry::Matrix	(	Int_t &	krot,
		Double_t	thetaX,
		Double_t	phiX,
		Double_t	thetaY,
		Double_t	phiY,
		Double_t	thetaZ,
		Double_t	phiZ
	)

pure virtual

Define a rotation matrix.

krot rotation matrix number assigned
thetaX polar angle for axis X
phiX azimuthal angle for axis X
thetaY polar angle for axis Y
phiY azimuthal angle for axis Y
thetaZ polar angle for axis Z
phiZ azimuthal angle for axis Z

Implemented in TGeoMCGeometry.

◆ Gsvolu() [1/2]

virtual Int_t TVirtualMCGeometry::Gsvolu	(	const char *	name,
		const char *	shape,
		Int_t	nmed,
		Float_t *	upar,
		Int_t	np
	)

pure virtual

Create a new volume.

name Volume name
shape Volume type
nmed Tracking medium number
np Number of shape parameters
upar Vector containing shape parameters

Implemented in TGeoMCGeometry.

◆ Gsvolu() [2/2]

virtual Int_t TVirtualMCGeometry::Gsvolu	(	const char *	name,
		const char *	shape,
		Int_t	nmed,
		Double_t *	upar,
		Int_t	np
	)

pure virtual

The same as previous but in double precision.

Implemented in TGeoMCGeometry.

◆ Gsdvn()

virtual void TVirtualMCGeometry::Gsdvn	(	const char *	name,
		const char *	mother,
		Int_t	ndiv,
		Int_t	iaxis
	)

pure virtual

Create a new volume by dividing an existing one.

It divides a previously defined volume

name Volume name
mother Mother volume name
ndiv Number of divisions
iaxis Axis value: X,Y,Z of CAXIS will be translated to 1,2,3 for IAXIS.

Implemented in TGeoMCGeometry.

◆ Gsdvn2()

virtual void TVirtualMCGeometry::Gsdvn2	(	const char *	name,
		const char *	mother,
		Int_t	ndiv,
		Int_t	iaxis,
		Double_t	c0i,
		Int_t	numed
	)

pure virtual

Create a new volume by dividing an existing one.

Divide mother into ndiv divisions called name along axis iaxis starting at coordinate value c0i. The new volume created will be medium number numed.

Implemented in TGeoMCGeometry.

◆ Gsdvt()

virtual void TVirtualMCGeometry::Gsdvt	(	const char *	name,
		const char *	mother,
		Double_t	step,
		Int_t	iaxis,
		Int_t	numed,
		Int_t	ndvmx
	)

pure virtual

Create a new volume by dividing an existing one Divide mother into divisions called name along axis iaxis in steps of step.

If not exactly divisible will make as many as possible and will center them with respect to the mother. Divisions will have medium number numed. If numed is 0, numed of mother is taken. ndvmx is the expected maximum number of divisions (If 0, no protection tests are performed in Geant3)

Implemented in TGeoMCGeometry.

◆ Gsdvt2()

virtual void TVirtualMCGeometry::Gsdvt2	(	const char *	name,
		const char *	mother,
		Double_t	step,
		Int_t	iaxis,
		Double_t	c0,
		Int_t	numed,
		Int_t	ndvmx
	)

pure virtual

Create a new volume by dividing an existing one Divides mother into divisions called name along axis iaxis starting at coordinate value c0 with step size step.

The new volume created will have medium number numed. If numed is 0, numed of mother is taken. ndvmx is the expected maximum number of divisions (If 0, no protection tests are performed in Geant3)

Implemented in TGeoMCGeometry.

◆ Gsord()

virtual void TVirtualMCGeometry::Gsord	(	const char *	name,
		Int_t	iax
	)

pure virtual

Flag volume name whose contents will have to be ordered along axis iax, by setting the search flag to -iax (Geant3 only)

Implemented in TGeoMCGeometry.

◆ Gspos()

virtual void TVirtualMCGeometry::Gspos	(	const char *	name,
		Int_t	nr,
		const char *	mother,
		Double_t	x,
		Double_t	y,
		Double_t	z,
		Int_t	irot,
		const char *	konly = `"ONLY"`
	)

pure virtual

Position a volume into an existing one.

It positions a previously defined volume in the mother.

name Volume name
nr Copy number of the volume
mother Mother volume name
x X coord. of the volume in mother ref. sys.
y Y coord. of the volume in mother ref. sys.
z Z coord. of the volume in mother ref. sys.
irot Rotation matrix number w.r.t. mother ref. sys.
konly ONLY/MANY flag

Implemented in TGeoMCGeometry.

◆ Gsposp() [1/2]

virtual void TVirtualMCGeometry::Gsposp	(	const char *	name,
		Int_t	nr,
		const char *	mother,
		Double_t	x,
		Double_t	y,
		Double_t	z,
		Int_t	irot,
		const char *	konly,
		Float_t *	upar,
		Int_t	np
	)

pure virtual

Place a copy of generic volume name with user number nr inside mother, with its parameters upar(1..np)

Implemented in TGeoMCGeometry.

◆ Gsposp() [2/2]

virtual void TVirtualMCGeometry::Gsposp	(	const char *	name,
		Int_t	nr,
		const char *	mother,
		Double_t	x,
		Double_t	y,
		Double_t	z,
		Int_t	irot,
		const char *	konly,
		Double_t *	upar,
		Int_t	np
	)

pure virtual

The same as previous but in double precision.

Implemented in TGeoMCGeometry.

◆ Gsbool()

virtual void TVirtualMCGeometry::Gsbool	(	const char *	onlyVolName,
		const char *	manyVolName
	)

pure virtual

Helper function for resolving MANY.

Specify the ONLY volume that overlaps with the specified MANY and has to be substracted. (Geant4 only)

Implemented in TGeoMCGeometry.

◆ GetTransformation()

virtual Bool_t TVirtualMCGeometry::GetTransformation	(	const TString &	volumePath,
		TGeoHMatrix &	matrix
	)

pure virtual

Return the transformation matrix between the volume specified by the path volumePath and the top or master volume.

Implemented in TGeoMCGeometry.

◆ GetShape()

virtual Bool_t TVirtualMCGeometry::GetShape	(	const TString &	volumePath,
		TString &	shapeType,
		TArrayD &	par
	)

pure virtual

Return the name of the shape (shapeType) and its parameters par for the volume specified by the path volumePath .

Implemented in TGeoMCGeometry.

◆ GetMaterial()

virtual Bool_t TVirtualMCGeometry::GetMaterial	(	const TString &	volumeName,
		TString &	name,
		Int_t &	imat,
		Double_t &	a,
		Double_t &	z,
		Double_t &	density,
		Double_t &	radl,
		Double_t &	inter,
		TArrayD &	par
	)

pure virtual

Return the material parameters for the volume specified by the volumeName.

Implemented in TGeoMCGeometry.

◆ GetMedium()

virtual Bool_t TVirtualMCGeometry::GetMedium	(	const TString &	volumeName,
		TString &	name,
		Int_t &	imed,
		Int_t &	nmat,
		Int_t &	isvol,
		Int_t &	ifield,
		Double_t &	fieldm,
		Double_t &	tmaxfd,
		Double_t &	stemax,
		Double_t &	deemax,
		Double_t &	epsil,
		Double_t &	stmin,
		TArrayD &	par
	)

pure virtual

Return the medium parameters for the volume specified by the volumeName.

Implemented in TGeoMCGeometry.

◆ VolId()

virtual Int_t TVirtualMCGeometry::VolId ( const char * volName ) const

pure virtual

Return the unique numeric identifier for volume name volName.

Implemented in TGeoMCGeometry.

◆ VolName()

virtual const char * TVirtualMCGeometry::VolName ( Int_t id ) const

pure virtual

Return the volume name for a given volume identifier id.

Implemented in TGeoMCGeometry.

◆ MediumId()

virtual Int_t TVirtualMCGeometry::MediumId ( const char * mediumName ) const

pure virtual

Return the unique numeric identifier for medium name mediumName.

Implemented in TGeoMCGeometry.

◆ NofVolumes()

virtual Int_t TVirtualMCGeometry::NofVolumes ( ) const

pure virtual

Return total number of volumes in the geometry.

Implemented in TGeoMCGeometry.

◆ NofVolDaughters()

virtual Int_t TVirtualMCGeometry::NofVolDaughters ( const char * volName ) const

pure virtual

Return number of daughters of the volume specified by volName.

Implemented in TGeoMCGeometry.

◆ VolDaughterName()

virtual const char * TVirtualMCGeometry::VolDaughterName	(	const char *	volName,
		Int_t	i
	)		const

pure virtual

Return the name of i-th daughter of the volume specified by volName.

Implemented in TGeoMCGeometry.

◆ VolDaughterCopyNo()

virtual Int_t TVirtualMCGeometry::VolDaughterCopyNo	(	const char *	volName,
		Int_t	i
	)		const

pure virtual

Return the copyNo of i-th daughter of the volume specified by volName.

Implemented in TGeoMCGeometry.

◆ VolId2Mate()

virtual Int_t TVirtualMCGeometry::VolId2Mate ( Int_t id ) const

pure virtual

Return material number for a given volume id.

Implemented in TGeoMCGeometry.

◆ operator=()

TVirtualMCGeometry & TVirtualMCGeometry::operator= ( const TVirtualMCGeometry & )

protected

The documentation for this class was generated from the following files:

source/include/TVirtualMCGeometry.h
source/src/TVirtualMCGeometry.cxx

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ TVirtualMCGeometry() [1/3]

◆ TVirtualMCGeometry() [2/3]

◆ ~TVirtualMCGeometry()

◆ TVirtualMCGeometry() [3/3]

Member Function Documentation

◆ Material() [1/2]

◆ Material() [2/2]

◆ Mixture() [1/2]

◆ Mixture() [2/2]

◆ Medium() [1/2]

◆ Medium() [2/2]

◆ Matrix()

◆ Gsvolu() [1/2]

◆ Gsvolu() [2/2]

◆ Gsdvn()

◆ Gsdvn2()

◆ Gsdvt()

◆ Gsdvt2()

◆ Gsord()

◆ Gspos()

◆ Gsposp() [1/2]

◆ Gsposp() [2/2]

◆ Gsbool()

◆ GetTransformation()

◆ GetShape()

◆ GetMaterial()

◆ GetMedium()

◆ VolId()

◆ VolName()

◆ MediumId()

◆ NofVolumes()

◆ NofVolDaughters()

◆ VolDaughterName()

◆ VolDaughterCopyNo()

◆ VolId2Mate()

◆ operator=()