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/*
* TBooleanMinusImplementation.h
*
* Created on: Aug 13, 2014
* Author: swenzel
*/
#ifndef TBOOLEANMINUSIMPLEMENTATION_H_
#define TBOOLEANMINUSIMPLEMENTATION_H_
#include "VecGeom/base/Vector3D.h"
#include "VecGeom/volumes/TUnplacedBooleanMinusVolume.h"
namespace VECGEOM_NAMESPACE {
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
struct TBooleanMinusImplementation {
static const int transC = transCodeT;
static const int rotC = rotCodeT;
//
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void UnplacedContains(TUnplacedBooleanMinusVolume const &unplaced,
Vector3D<typename Backend::precision_v> const &localPoint,
typename Backend::bool_v &inside);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void Contains(TUnplacedBooleanMinusVolume const &unplaced, Transformation3D const &transformation,
Vector3D<typename Backend::precision_v> const &point,
Vector3D<typename Backend::precision_v> &localPoint, typename Backend::bool_v &inside);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void Inside(TUnplacedBooleanMinusVolume const &unplaced, Transformation3D const &transformation,
Vector3D<typename Backend::precision_v> const &point, typename Backend::inside_v &inside);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void DistanceToIn(TUnplacedBooleanMinusVolume const &unplaced, Transformation3D const &transformation,
Vector3D<typename Backend::precision_v> const &point,
Vector3D<typename Backend::precision_v> const &direction,
typename Backend::precision_v const &stepMax, typename Backend::precision_v &distance);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void DistanceToOut(TUnplacedBooleanMinusVolume const &unplaced,
Vector3D<typename Backend::precision_v> const &point,
Vector3D<typename Backend::precision_v> const &direction,
typename Backend::precision_v const &stepMax, typename Backend::precision_v &distance);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void SafetyToIn(TUnplacedBooleanMinusVolume const &unplaced, Transformation3D const &transformation,
Vector3D<typename Backend::precision_v> const &point, typename Backend::precision_v &safety);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void SafetyToOut(TUnplacedBooleanMinusVolume const &unplaced,
Vector3D<typename Backend::precision_v> const &point, typename Backend::precision_v &safety);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void ContainsKernel(TUnplacedBooleanMinusVolume const &unplaced,
Vector3D<typename Backend::precision_v> const &point, typename Backend::bool_v &inside);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void InsideKernel(TUnplacedBooleanMinusVolume const &unplaced,
Vector3D<typename Backend::precision_v> const &point, typename Backend::inside_v &inside);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void DistanceToInKernel(TUnplacedBooleanMinusVolume const &unplaced,
Vector3D<typename Backend::precision_v> const &point,
Vector3D<typename Backend::precision_v> const &direction,
typename Backend::precision_v const &stepMax, typename Backend::precision_v &distance);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void DistanceToOutKernel(TUnplacedBooleanMinusVolume const &unplaced,
Vector3D<typename Backend::precision_v> const &point,
Vector3D<typename Backend::precision_v> const &direction,
typename Backend::precision_v const &stepMax,
typename Backend::precision_v &distance);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void SafetyToInKernel(TUnplacedBooleanMinusVolume const &unplaced,
Vector3D<typename Backend::precision_v> const &point,
typename Backend::precision_v &safety);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void SafetyToOutKernel(TUnplacedBooleanMinusVolume const &unplaced,
Vector3D<typename Backend::precision_v> const &point,
typename Backend::precision_v &safety);
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void NormalKernel(TUnplacedBooleanMinusVolume const &unplaced,
Vector3D<typename Backend::precision_v> const &point,
Vector3D<typename Backend::precision_v> &normal, typename Backend::bool_v &valid);
}; // End struct TBooleanMinusImplementation
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::UnplacedContains(
TUnplacedBooleanMinusVolume const &unplaced, Vector3D<typename Backend::precision_v> const &localPoint,
typename Backend::bool_v &inside)
{
ContainsKernel<Backend>(unplaced, localPoint, inside);
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::Contains(
TUnplacedBooleanMinusVolume const &unplaced, Transformation3D const &transformation,
Vector3D<typename Backend::precision_v> const &point, Vector3D<typename Backend::precision_v> &localPoint,
typename Backend::bool_v &inside)
{
localPoint = transformation.Transform<transCodeT, rotCodeT>(point);
UnplacedContains<Backend>(unplaced, localPoint, inside);
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::Inside(
TUnplacedBooleanMinusVolume const &unplaced, Transformation3D const &transformation,
Vector3D<typename Backend::precision_v> const &point, typename Backend::inside_v &inside)
{
InsideKernel<Backend>(unplaced, transformation.Transform<transCodeT, rotCodeT>(point), inside);
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::DistanceToIn(
TUnplacedBooleanMinusVolume const &unplaced, Transformation3D const &transformation,
Vector3D<typename Backend::precision_v> const &point, Vector3D<typename Backend::precision_v> const &direction,
typename Backend::precision_v const &stepMax, typename Backend::precision_v &distance)
{
DistanceToInKernel<Backend>(unplaced, transformation.Transform<transCodeT, rotCodeT>(point),
transformation.TransformDirection<rotCodeT>(direction), stepMax, distance);
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::DistanceToOut(
TUnplacedBooleanMinusVolume const &unplaced, Vector3D<typename Backend::precision_v> const &point,
Vector3D<typename Backend::precision_v> const &direction, typename Backend::precision_v const &stepMax,
typename Backend::precision_v &distance)
{
DistanceToOutKernel<Backend>(unplaced, point, direction, stepMax, distance);
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::SafetyToIn(
TUnplacedBooleanMinusVolume const &unplaced, Transformation3D const &transformation,
Vector3D<typename Backend::precision_v> const &point, typename Backend::precision_v &safety)
{
SafetyToInKernel<Backend>(unplaced, transformation.Transform<transCodeT, rotCodeT>(point), safety);
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <class Backend>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::SafetyToOut(
TUnplacedBooleanMinusVolume const &unplaced, Vector3D<typename Backend::precision_v> const &point,
typename Backend::precision_v &safety)
{
SafetyToOutKernel<Backend>(unplaced, point, safety);
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::ContainsKernel(
TUnplacedBooleanMinusVolume const &unplaced, Vector3D<typename Backend::precision_v> const &localPoint,
typename Backend::bool_v &inside)
{
// now just use the Contains functionality
// of Unplaced and its left and right components
// Find if a subtraction of two shapes contains a given point
// have to figure this out
Vector3D<typename Backend::precision_v> tmp;
LeftPlacedType_t::Implementation::template Contains<Backend>(
*((LeftPlacedType_t *)unplaced.fLeftVolume)->GetUnplacedVolume(), *unplaced.fLeftVolume->transformation(),
localPoint, tmp, inside);
// TUnplacedBooleanMinusVolume const &unplaced,
// Transformation3D const &transformation,
// Vector3D<typename Backend::precision_v> const &point,
// Vector3D<typename Backend::precision_v> &localPoint,
// typename Backend::bool_v &inside
//
if (vecCore::MaskEmpty(inside)) return;
typename Backend::bool_v rightInside;
RightPlacedType_t::Implementation::template Contains<Backend>(
*((RightPlacedType_t *)unplaced.fRightVolume)->GetUnplacedVolume(), *unplaced.fRightVolume->transformation(),
localPoint, tmp, rightInside);
inside &= !rightInside;
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::InsideKernel(
TUnplacedBooleanMinusVolume const &unplaced, Vector3D<typename Backend::precision_v> const &point,
typename Backend::inside_v &inside)
{
// now use the Inside functionality of left and right components
// going to be a bit more complicated due to Surface states
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::DistanceToInKernel(
TUnplacedBooleanMinusVolume const &unplaced, Vector3D<typename Backend::precision_v> const &point,
Vector3D<typename Backend::precision_v> const &direction, typename Backend::precision_v const &stepMax,
typename Backend::precision_v &distance)
{
typedef typename Backend::precision_v Float_t;
typedef typename Backend::bool_v Bool_t;
// TOBEDONE: ASK Andrei about the while loop
// Compute distance from a given point outside to the shape.
// Int_t i;
// Float_t d1, d2, snxt=0.;
// fRightMat->MasterToLocal(point, &local[0]);
// fLeftMat->MasterToLocalVect(dir, &ldir[0]);
// fRightMat->MasterToLocalVect(dir, &rdir[0]);
//
// // check if inside '-'
// Bool_t insideRight = unplaced.fRightVolume->Contains(point);
// // epsilon is used to push across boundaries
// Precision epsil(0.);
//
// // we should never subtract a volume such that B - A > 0
//
// // what does this while loop do?
// if ( ! vecCore::MaskEmpty( insideRight ) ) {
// // propagate to outside of '- / RightShape'
// d1 = unplaced.fRightVolume->DistanceToOut( point, direction, stepMax);
// snxt += d1+epsil;
// hitpoint += (d1+1E-8)*direction;
//
// epsil = 1.E-8;
// // now master outside 'B'; check if inside 'A'
// Bool_t insideLeft =
// if (unplaced.fLeftVolume->Contains(&local[0])) return snxt;
// }
//
// // if outside of both we do a max operation
// // master outside '-' and outside '+' ; find distances to both
// node->SetSelected(1);
// fLeftMat->MasterToLocal(&master[0], &local[0]);
// d2 = fLeft->DistFromOutside(&local[0], &ldir[0], iact, step, safe);
// if (d2>1E20) return TGeoShape::Big();
//
// fRightMat->MasterToLocal(&master[0], &local[0]);
// d1 = fRight->DistFromOutside(&local[0], &rdir[0], iact, step, safe);
// if (d2<d1-TGeoShape::Tolerance()) {
// snxt += d2+epsil;
// return snxt;
// }
// // propagate to '-'
// snxt += d1+epsil;
// for (i=0; i<3; i++) master[i] += (d1+1E-8)*dir[i];
// epsil = 1.E-8;
// // now inside '-' and not inside '+'
// fRightMat->MasterToLocal(&master[0], &local[0]);
// inside = kTRUE;
// }
}
#include <iostream>
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::DistanceToOutKernel(
TUnplacedBooleanMinusVolume const &unplaced, Vector3D<typename Backend::precision_v> const &point,
Vector3D<typename Backend::precision_v> const &direction, typename Backend::precision_v const &stepMax,
typename Backend::precision_v &distance)
{
typedef typename Backend::precision_v Float_t;
typedef typename Backend::bool_v Bool_t;
// how can we force to inline this ?
// Left is an unplaced shape; but it could be a complicated one
// what happens if LeftType is VPlacedVolume itself?
// For the SOA case: is it better to push SOA down or do ONE loop around?
// distance = unplaced.fLeftVolume->Unplaced_t::LeftType::DistanceToOut( point, direction, stepMax );
// Float_t dinright = unplaced.fRightVolume->Unplaced_t::RightType::DistanceToIn( point, direction, stepMax );
// we need a template specialization for this in case we have LeftType or RightType equals to
// VPlacedVolume
LeftPlacedType_t::Implementation::template DistanceToOut<Backend>(
*((LeftPlacedType_t *)unplaced.fLeftVolume)->GetUnplacedVolume(), point, direction, stepMax, distance);
Float_t dinright(kInfLength);
RightPlacedType_t::Implementation::template DistanceToIn<Backend>(
*((RightPlacedType_t *)unplaced.fRightVolume)->GetUnplacedVolume(), *unplaced.fRightVolume->transformation(),
point, direction, stepMax, dinright);
distance = Min(distance, dinright);
return;
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::SafetyToInKernel(
TUnplacedBooleanMinusVolume const &unplaced, Vector3D<typename Backend::precision_v> const &point,
typename Backend::precision_v &safety)
{
typedef typename Backend::precision_v Float_t;
typedef typename Backend::bool_v Bool_t;
// this is a very crude algorithm which as very many "virtual" surfaces
// which could return a very small safety
// Bool_t inleft = unplaced.fLeftVolume->Contains(point);
// Float_t safleft = unplaced.fLeftVolume->SafetyToIn(point);
// Bool_t inright = unplaced.fRightVolume->Contains(point);
// Float_t safright = unplaced.fRightVolume->SafetyToOut(point);
// Bool_t done(Backend::kFalse);
// vecCore::MaskedAssign(safety , inleft && inright, safright);
// done |= inleft && inright;
// vecCore:::MaskedAssign(safright, !done && inleft, Min(safleft), &safety);
// done |= inleft;
// vecCore:::MaskedAssign(safright, !done && inright, Max(safleft), &safety);
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::SafetyToOutKernel(
TUnplacedBooleanMinusVolume const &unplaced, Vector3D<typename Backend::precision_v> const &point,
typename Backend::precision_v &safety)
{
typedef typename Backend::bool_v Bool_t;
typedef typename Backend::precision_v Float_t;
LeftPlacedType_t::Implementation::template SafetyToOut<Backend>(
*((LeftPlacedType_t *)unplaced.fLeftVolume)->GetUnplacedVolume(), point, safety);
Float_t safetyright(kInfLength);
RightPlacedType_t::Implementation::template SafetyToIn<Backend>(
*((RightPlacedType_t *)unplaced.fRightVolume)->GetUnplacedVolume(), *unplaced.fRightVolume->transformation(),
point, safetyright);
safety = Min(safety, safetyright);
return;
}
template <typename LeftPlacedType_t, typename RightPlacedType_t, TranslationCode transCodeT, RotationCode rotCodeT>
template <typename Backend>
VECCORE_ATT_HOST_DEVICE
void TBooleanMinusImplementation<LeftPlacedType_t, RightPlacedType_t, transCodeT, rotCodeT>::NormalKernel(
TUnplacedBooleanMinusVolume const &unplaced, Vector3D<typename Backend::precision_v> const &point,
Vector3D<typename Backend::precision_v> &normal, typename Backend::bool_v &valid)
{
// TBDONE
}
} // End global namespace
#endif /* TBOOLEANMINUSIMPLEMENTATION_H_ */
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