MuonGMR4::MdtTubeLayer Class Reference

Helper struct to retrieve the tube lengths and the tube centers directly from the GeoModel tree. More...

#include <MdtTubeLayer.h>

Collaboration diagram for MuonGMR4::MdtTubeLayer:

Classes
struct	CutTubes
	Constructor taking the GeoModel parent node of the tube nodes. More...
struct	TubePositioner
	Helper struct to avoid browsing with the serial transformer. More...

Public Types
using	CutTubeSet = std::set<CutTubes, std::less<>>
using	TubePositionerSet = std::set<TubePositioner, std::less<>>

Public Member Functions
	MdtTubeLayer (const PVConstLink layer, const GeoIntrusivePtr< const GeoTransform > toLayTrf, const CutTubeSet &cutTubes)
	Standard constructor of a MdtTube layer.
unsigned int	nTubes () const
	Returns the number of tubes in the layer.
const Amg::Transform3D &	layerTransform () const
	: Returns the transformation from the layer to the muon station
const Amg::Transform3D	tubeTransform (const unsigned int tube) const
	Returns the transformation of the tube to the muon station Index counting [0 - nTubes()-1].
const Amg::Vector3D	tubePosInLayer (const unsigned int tube) const
	Returns the tube position within the given tube layer.
double	tubeHalfLength (const unsigned int tube) const
	Returns the half-length of the given tube.
double	uncutHalfLength (const unsigned int tube) const
	Returns the uncut-half length of the given tube.
PVConstLink	getTubeNode (unsigned int tube) const
	returns the PVConst link to the n-th tube [0 - nTubes() -1]

Public Attributes
friend	MdtTubeLayerSorter

Private Attributes
PVConstLink	m_layerNode {nullptr}
GeoIntrusivePtr< const GeoTransform >	m_layTrf {nullptr}
CutTubeSet	m_cutTubes {}
TubePositionerSet	m_tubePos {}
Amg::Vector3D	m_tubePitch {Amg::Vector3D::Zero()}

Detailed Description

Helper struct to retrieve the tube lengths and the tube centers directly from the GeoModel tree.

Definition at line 28 of file MdtTubeLayer.h.

Member Typedef Documentation

CutTubeSet

using MuonGMR4::MdtTubeLayer::CutTubeSet = std::set<CutTubes, std::less<>>

Definition at line 48 of file MdtTubeLayer.h.

TubePositionerSet

using MuonGMR4::MdtTubeLayer::TubePositionerSet = std::set<TubePositioner, std::less<>>

Definition at line 65 of file MdtTubeLayer.h.

Constructor & Destructor Documentation

MdtTubeLayer()

MuonGMR4::MdtTubeLayer::MdtTubeLayer	(	const PVConstLink	layer,
		const GeoIntrusivePtr< const GeoTransform >	toLayTrf,
		const CutTubeSet &	cutTubes )

Standard constructor of a MdtTube layer.

Taking a GeoVPhysVol which is usually shared across multiple layers & chambers

Parameters

layer	GeoVPhysVol representing this layer
toLayTrf	Transformation to reach the layer
cutTubes	List of tubes that are cut

Definition at line 47 of file MdtTubeLayer.cxx.

                                                          :
        m_layerNode{std::move(layer)},
        m_layTrf{std::move(toLayTrf)},
        m_cutTubes{cutTubes} {
 
        const std::vector<GeoChildNodeWithTrf> children = getChildrenWithRef(m_layerNode, true);
        unsigned int firstTube{0};
        bool firstTubeSet{false};
        for (const GeoChildNodeWithTrf& child : children) {
            TubePositioner positioner{};
            positioner.firstTube = firstTube;
            positioner.lastTube = firstTube + child.nCopies -1;
            positioner.firstTubePos = child.transform.translation();
            positioner.tubeVol = child.volume;
            if (!firstTubeSet && child.nCopies>1) {
              m_tubePitch = child.inductionRule.translation();
              firstTubeSet = true;
            }
            firstTube = positioner.lastTube + 1;
            m_tubePos.insert(std::move(positioner));
        }
    }

Member Function Documentation

getTubeNode()

PVConstLink MuonGMR4::MdtTubeLayer::getTubeNode

(

unsigned int

tube

)

const

returns the PVConst link to the n-th tube [0 - nTubes() -1]

Definition at line 74 of file MdtTubeLayer.cxx.

                                                                 {
        TubePositionerSet::const_iterator tube_itr = m_tubePos.find(tube);
         if (tube_itr == m_tubePos.end()) {
           THROW_EXCEPTION(m_layerNode->getLogVol()->getName()<<" has only "<<nTubes()<<" tubes. But "
                          <<tube<<" is requested. Please check.");
        }
        return tube_itr->tubeVol;
    }

layerTransform()

const Amg::Transform3D & MuonGMR4::MdtTubeLayer::layerTransform

(

)

const

: Returns the transformation from the layer to the muon station

Definition at line 71 of file MdtTubeLayer.cxx.

                                                             {
        return m_layTrf->getDefTransform();
    }

nTubes()

unsigned int MuonGMR4::MdtTubeLayer::nTubes

(

)

const

Returns the number of tubes in the layer.

Definition at line 94 of file MdtTubeLayer.cxx.

                                            {
        return m_layerNode->getNChildVols();
    }

tubeHalfLength()

double MuonGMR4::MdtTubeLayer::tubeHalfLength

(

const unsigned int

tube

)

const

Returns the half-length of the given tube.

Definition at line 97 of file MdtTubeLayer.cxx.

                                                                     {
        TubePositionerSet::const_iterator tube_itr = m_tubePos.find(tube);
        if (tube_itr == m_tubePos.end()) {
            THROW_EXCEPTION(m_layerNode->getLogVol()->getName()<<" has only "<<nTubes()<<" tubes. But "
                            <<tube<<" is requested. Please check.");
        }   
        const GeoShape* shape = tube_itr->tubeVol->getLogVol()->getShape();
        const GeoTube* tubeShape = static_cast<const GeoTube*>(shape);
        return tubeShape->getZHalfLength();    
    }

tubePosInLayer()

const Amg::Vector3D MuonGMR4::MdtTubeLayer::tubePosInLayer

(

const unsigned int

tube

)

const

Returns the tube position within the given tube layer.

Definition at line 91 of file MdtTubeLayer.cxx.

                                                                                {
        return  layerTransform().inverse() * tubeTransform(tube).translation();
    }

tubeTransform()

const Amg::Transform3D MuonGMR4::MdtTubeLayer::tubeTransform

(

const unsigned int

tube

)

const

Returns the transformation of the tube to the muon station Index counting [0 - nTubes()-1].

Definition at line 82 of file MdtTubeLayer.cxx.

                                                                                  {    
        TubePositionerSet::const_iterator tube_itr = m_tubePos.find(tube);
        if (tube_itr == m_tubePos.end()) {
            THROW_EXCEPTION(m_layerNode->getLogVol()->getName()<<" has only "<<nTubes()<<" tubes. But "
                            <<tube<<" is requested. Please check.");
        }   
        return layerTransform() * Amg::getTranslate3D(tube_itr->firstTubePos)*
                                  Amg::getTranslate3D(1.*(tube-tube_itr->firstTube)* m_tubePitch);
    }

uncutHalfLength()

double MuonGMR4::MdtTubeLayer::uncutHalfLength

(

const unsigned int

tube

)

const

Returns the uncut-half length of the given tube.

Definition at line 107 of file MdtTubeLayer.cxx.

                                                               {
        CutTubeSet::const_iterator itr = m_cutTubes.find(tube);
        if (itr!= m_cutTubes.end()) {
          return itr->unCutHalfLength;
        }
        return tubeHalfLength(tube);
    }

Member Data Documentation

m_cutTubes

CutTubeSet MuonGMR4::MdtTubeLayer::m_cutTubes {}

private

Definition at line 96 of file MdtTubeLayer.h.

{};

m_layerNode

PVConstLink MuonGMR4::MdtTubeLayer::m_layerNode {nullptr}

private

Definition at line 94 of file MdtTubeLayer.h.

{nullptr};

m_layTrf

GeoIntrusivePtr<const GeoTransform> MuonGMR4::MdtTubeLayer::m_layTrf {nullptr}

private

Definition at line 95 of file MdtTubeLayer.h.

{nullptr};

m_tubePitch

Amg::Vector3D MuonGMR4::MdtTubeLayer::m_tubePitch {Amg::Vector3D::Zero()}

private

Definition at line 98 of file MdtTubeLayer.h.

{Amg::Vector3D::Zero()};

m_tubePos

TubePositionerSet MuonGMR4::MdtTubeLayer::m_tubePos {}

private

Definition at line 97 of file MdtTubeLayer.h.

{};

MdtTubeLayerSorter

friend MuonGMR4::MdtTubeLayer::MdtTubeLayerSorter

Definition at line 67 of file MdtTubeLayer.h.

---

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

• MdtTubeLayer.h
• MdtTubeLayer.cxx