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/// @file GenericPolyconeStruct.h
/// @author Raman Sehgal (raman.sehgal@cern.ch)
#ifndef VECGEOM_VOLUMES_GENERICPOLYCONESTRUCT_H_
#define VECGEOM_VOLUMES_GENERICPOLYCONESTRUCT_H_
#include "VecGeom/base/Global.h"
#include "VecGeom/base/Vector3D.h"
#include "VecGeom/base/Vector.h"
#include "VecGeom/volumes/CoaxialConesStruct.h"
#include "VecGeom/volumes/GenericPolyconeSection.h"
namespace vecgeom {
// VECGEOM_DEVICE_DECLARE_CONV_TEMPLATE(struct, GenericPolyconeStruct, typename);
inline namespace VECGEOM_IMPL_NAMESPACE {
template <typename T = double>
struct GenericPolyconeStruct {
// Data members to store
Vector<Vector<T>> fVectOfRmin1Vect;
Vector<Vector<T>> fVectOfRmax1Vect;
Vector<Vector<T>> fVectOfRmin2Vect;
Vector<Vector<T>> fVectOfRmax2Vect;
Vector<T> fVectOfDz;
T fSPhi;
T fDPhi;
VECCORE_ATT_HOST_DEVICE
GenericPolyconeStruct() {}
VECCORE_ATT_HOST_DEVICE
// Special function NOT to be exposed to user, and will be used by constructor
void Set(Vector<Vector<Precision>> vectOfRmin1Vect, Vector<Vector<Precision>> vectOfRmax1Vect,
Vector<Vector<Precision>> vectOfRmin2Vect, Vector<Vector<Precision>> vectOfRmax2Vect, Vector<Precision> zS,
Precision sPhi, Precision dPhi)
{
fSPhi = sPhi;
fDPhi = dPhi;
for (unsigned int i = 0; i < vectOfRmin1Vect.size(); i++) {
// Creating and filling the GenericPolyconeSection
GenericPolyconeSection section;
// Precision shift = zS[i] + 0.5 * (zS[i + 1] - zS[i]);
Precision dz = 0.5 * (zS[i + 1] - zS[i]);
Precision shift = zS[i] + dz;
CoaxialConesStruct<Precision> *coaxialCones = new CoaxialConesStruct<Precision>(
vectOfRmin1Vect[i], vectOfRmax1Vect[i], vectOfRmin2Vect[i], vectOfRmax2Vect[i], dz, fSPhi, fDPhi);
fCubicVolume += coaxialCones->Capacity();
section.fShift = shift;
section.fCoaxialCones = coaxialCones;
// Inserting the section just created above
fSections.push_back(section);
}
fZs = zS;
fCubicVolume = Capacity();
}
// Vector of GenericPolyconeSection
Vector<GenericPolyconeSection> fSections;
/* Variables to be Cached
* 1) All the Z Planes fZs
*/
Vector<Precision> fZs;
T fSurfaceArea; // area of the surface
T fCubicVolume; // volume
// Some Helper function to calculate SurfaceArea
#if (0)
Precision ConicalSurfaceArea()
{
Precision conicalSurfaceArea = 0.;
for (unsigned int i = 0; i < fSections.size(); i++) {
conicalSurfaceArea += fSections[i].fCoaxialCones->ConicalSurfaceArea();
}
return conicalSurfaceArea;
}
Precision SurfaceAreaOfZPlanes()
{
Precision surfaceAreaOfZPlanes = 0.;
if (fSections.size() == 1) {
return fSections[0].fCoaxialCones->SurfaceAreaOfZPlanes();
} else if (fSections.size() > 1) {
CoaxialConesStruct<Precision> *firstSectionCones = fSections[0].fCoaxialCones;
CoaxialConesStruct<Precision> *lastSectionCones = fSections[fSections.size() - 1].fCoaxialCones;
return (firstSectionCones->TotalSurfaceAreaOfLowerZPlanes() + lastSectionCones->TotalSurfaceAreaOfUpperZPlanes());
}
/*for(unsigned int i = 0 ; i < fSections.size() ; i++){
CoaxialConesStruct<Precision> *CoaxialCones = fSections[i].fCoaxialCones;
}*/
}
#endif
/*
Precision Capacity(){
Precision volume = 0.;
for(unsigned int i = 0 ; i < fCoaxialConesStructVector.size() ; i++)
volume += fCoaxialConesStructVector[i].Capacity();
return volume;
}
*/
/*
void Print(){
std::cout << "TotalNum Of Sections : " << fCoaxialConesStructVector.size() << std::endl;
for(int i = 0 ; i < fCoaxialConesStructVector.size() ; i++){
fCoaxialConesStructVector[i].Print();
}
}
*/
VECCORE_ATT_HOST_DEVICE
Precision Capacity()
{
Precision volume = 0.;
for (unsigned int i = 0; i < fSections.size(); i++)
volume += fSections[i].fCoaxialCones->Capacity();
return volume;
}
#if (0)
Precision SurfaceArea()
{
// Precision surfArea = 0.;
// TODO : Logic to calculate the Surface Area
return (ConicalSurfaceArea() + SurfaceAreaOfZPlanes());
}
#endif
VECCORE_ATT_HOST_DEVICE
int GetSectionIndex(Precision zposition) const
{
// TODO: consider binary search
// TODO: consider making these comparisons tolerant in case we need it
if (zposition < fZs[0]) return -1;
for (unsigned int i = 0; i < fZs.size() - 1; ++i) {
if (zposition >= fZs[i] && zposition <= fZs[i + 1]) return i;
}
return -2;
}
VECCORE_ATT_HOST_DEVICE
int GetNSections() const { return fSections.size(); }
VECCORE_ATT_HOST_DEVICE
GenericPolyconeSection const &GetSection(Precision zposition) const
{
// TODO: consider binary search
int i = GetSectionIndex(zposition);
return fSections[i];
}
VECCORE_ATT_HOST_DEVICE
// GetSection if index is known
GenericPolyconeSection const &GetSection(int index) const { return fSections[index]; }
VECCORE_ATT_HOST_DEVICE
Precision GetZAtPlane(unsigned int index) const
{
assert(index <= fSections.size());
return fZs[index];
}
};
} // namespace VECGEOM_IMPL_NAMESPACE
} // namespace vecgeom
#endif
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