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// This file is part of VecGeom and is distributed under the
// conditions in the file LICENSE.txt in the top directory.
// For the full list of authors see CONTRIBUTORS.txt and `git log`.
/// @file source/UnplacedTet.cpp
/// @author Raman Sehgal, Evgueni Tcherniaev
#include "VecGeom/volumes/UnplacedTet.h"
#include "VecGeom/management/VolumeFactory.h"
#include "VecGeom/volumes/SpecializedTet.h"
#include "VecGeom/base/RNG.h"
#include <stdio.h>
namespace vecgeom {
inline namespace VECGEOM_IMPL_NAMESPACE {
VECCORE_ATT_HOST_DEVICE
UnplacedTet::UnplacedTet()
{
// default constructor
fGlobalConvexity = true;
ComputeBBox();
}
VECCORE_ATT_HOST_DEVICE
UnplacedTet::UnplacedTet(const Vector3D<Precision> &p0, const Vector3D<Precision> &p1, const Vector3D<Precision> &p2,
const Vector3D<Precision> &p3)
: fTet(p0, p1, p2, p3)
{
fGlobalConvexity = true;
ComputeBBox();
}
VECCORE_ATT_HOST_DEVICE
void UnplacedTet::Extent(Vector3D<Precision> &aMin, Vector3D<Precision> &aMax) const
{
/* Returns the full 3D cartesian extent of the solid.
** TODO : Logic to calculate the extent of Tet and assign it to aMin and aMax
*/
aMin = aMax = fTet.fVertex[0];
for (int i = 1; i < 4; ++i) {
aMin.x() = Min(aMin.x(), fTet.fVertex[i].x());
aMin.y() = Min(aMin.y(), fTet.fVertex[i].y());
aMin.z() = Min(aMin.z(), fTet.fVertex[i].z());
aMax.x() = Max(aMax.x(), fTet.fVertex[i].x());
aMax.y() = Max(aMax.y(), fTet.fVertex[i].y());
aMax.z() = Max(aMax.z(), fTet.fVertex[i].z());
}
}
Vector3D<Precision> UnplacedTet::SamplePointOnSurface() const
{
/* TODO : Logic to sample point on the surface of Tet
**
** Return the sample Vector3D<Precision> point
**
** Vector3D<Precision> point = <Logic to sample point on the surface of Tet>
**
** return point
*/
// Set areas
//
Precision sface[4];
for (int i = 0; i < 4; ++i) {
int i0 = (i + 0) % 4;
int i1 = (i + 1) % 4;
int i2 = (i + 2) % 4;
sface[i] = 0.5 * ((fTet.fVertex[i1] - fTet.fVertex[i0]).Cross(fTet.fVertex[i2] - fTet.fVertex[i0])).Mag();
}
for (int i = 1; i < 4; ++i) {
sface[i] += sface[i - 1];
}
// Select face
//
Precision select = sface[3] * RNG::Instance().uniform(); // G4UniformRand();
int k = 3;
if (select <= sface[2]) k = 2;
if (select <= sface[1]) k = 1;
if (select <= sface[0]) k = 0;
// Generate point
//
int i0 = (k + 0) % 4;
int i1 = (k + 1) % 4;
int i2 = (k + 2) % 4;
Precision u = RNG::Instance().uniform();
Precision v = RNG::Instance().uniform();
if (u + v > 1.) {
u = 1. - u;
v = 1. - v;
}
return (1. - u - v) * fTet.fVertex[i0] + u * fTet.fVertex[i1] + v * fTet.fVertex[i2];
}
std::string UnplacedTet::GetEntityType() const
{
return "Tet\n";
}
VECCORE_ATT_HOST_DEVICE
void UnplacedTet::GetParametersList(int, Precision *aArray) const
{
// TODO : Set the aArray elements
}
// VECCORE_ATT_HOST_DEVICE
std::ostream &UnplacedTet::StreamInfo(std::ostream &os) const
// Definition taken from UTet
{
int oldprc = os.precision(16);
os << "-----------------------------------------------------------\n"
// << " *** Dump for solid - " << GetName() << " ***\n"
// << " ===================================================\n"
<< " Solid type: UTet\n"
<< " Parameters: \n"
// << " Anchor Point: " << fTet.fAnchor << " mm \n"
// << " Point P2: " << fTet.fP2 << " mm \n"
// << " Point P3: " << fTet.fP3 << " mm \n"
// << " Point P4: " << fTet.fP4 << " mm \n"
<< "-----------------------------------------------------------\n";
os.precision(oldprc);
return os;
}
VECCORE_ATT_HOST_DEVICE
void UnplacedTet::Print() const {
auto const& vtx = fTet.fVertex;
printf("UnplacedTet {V0=(%.2f, %.2f, %.2f), V1=(%.2f, %.2f, %.2f), V2=(%.2f, %.2f, %.2f), V3=(%.2f, %.2f, %.2f)}\n",
vtx[0].x(), vtx[0].y(), vtx[0].z(), vtx[1].x(), vtx[1].y(), vtx[1].z(),
vtx[2].x(), vtx[2].y(), vtx[2].z(), vtx[3].x(), vtx[3].y(), vtx[3].z() );
}
void UnplacedTet::Print(std::ostream &os) const {
auto const& vtx = fTet.fVertex;
os << "UnplacedTet {"
<<"V0=("<< vtx[0].x() <<"; "<< vtx[0].y() <<"; "<< vtx[0].z() <<"), "
<<"V1=("<< vtx[1].x() <<"; "<< vtx[1].y() <<"; "<< vtx[1].z() <<"), "
<<"V2=("<< vtx[2].x() <<"; "<< vtx[2].y() <<"; "<< vtx[2].z() <<"), "
<<"V3=("<< vtx[3].x() <<"; "<< vtx[3].y() <<"; "<< vtx[3].z() <<") }\n";
}
#ifndef VECCORE_CUDA
SolidMesh *UnplacedTet::CreateMesh3D(Transformation3D const &trans, const size_t nFaces) const
{
SolidMesh *sm = new SolidMesh();
sm->ResetMesh(4, 4);
sm->SetVertices(fTet.fVertex, 4);
sm->TransformVertices(trans);
Vector3D<Precision> n0 =
(sm->GetVertices()[1] - sm->GetVertices()[0]).Cross(sm->GetVertices()[2] - sm->GetVertices()[0]);
Vector3D<Precision> n1 =
(sm->GetVertices()[2] - sm->GetVertices()[1]).Cross(sm->GetVertices()[3] - sm->GetVertices()[1]);
Vector3D<Precision> n2 =
(sm->GetVertices()[3] - sm->GetVertices()[2]).Cross(sm->GetVertices()[0] - sm->GetVertices()[2]);
Vector3D<Precision> n3 =
(sm->GetVertices()[0] - sm->GetVertices()[3]).Cross(sm->GetVertices()[1] - sm->GetVertices()[3]);
if (n0.Dot(sm->GetVertices()[3] - sm->GetVertices()[0]) > 0) {
sm->AddPolygon(3, {1, 0, 2}, true);
} else {
sm->AddPolygon(3, {0, 1, 2}, true);
}
if (n1.Dot(sm->GetVertices()[0] - sm->GetVertices()[1]) > 0) {
sm->AddPolygon(3, {2, 1, 3}, true);
} else {
sm->AddPolygon(3, {1, 2, 3}, true);
}
if (n2.Dot(sm->GetVertices()[1] - sm->GetVertices()[2]) > 0) {
sm->AddPolygon(3, {3, 2, 0}, true);
} else {
sm->AddPolygon(3, {2, 3, 0}, true);
}
if (n3.Dot(sm->GetVertices()[2] - sm->GetVertices()[3]) > 0) {
sm->AddPolygon(3, {0, 3, 1}, true);
} else {
sm->AddPolygon(3, {3, 0, 1}, true);
}
return sm;
}
#endif
#ifndef VECCORE_CUDA
template <TranslationCode trans_code, RotationCode rot_code>
VPlacedVolume *UnplacedTet::Create(LogicalVolume const *const logical_volume,
Transformation3D const *const transformation, VPlacedVolume *const placement)
{
if (placement) {
new (placement) SpecializedTet<trans_code, rot_code>(logical_volume, transformation);
return placement;
}
return new SpecializedTet<trans_code, rot_code>(logical_volume, transformation);
}
VPlacedVolume *UnplacedTet::SpecializedVolume(LogicalVolume const *const volume,
Transformation3D const *const transformation,
const TranslationCode trans_code, const RotationCode rot_code,
VPlacedVolume *const placement) const
{
return VolumeFactory::CreateByTransformation<UnplacedTet>(volume, transformation, trans_code, rot_code, placement);
}
#else
template <TranslationCode trans_code, RotationCode rot_code>
VECCORE_ATT_DEVICE
VPlacedVolume *UnplacedTet::Create(LogicalVolume const *const logical_volume,
Transformation3D const *const transformation, const int id, const int copy_no,
const int child_id, VPlacedVolume *const placement)
{
if (placement) {
new (placement) SpecializedTet<trans_code, rot_code>(logical_volume, transformation, id, copy_no, child_id);
return placement;
}
return new SpecializedTet<trans_code, rot_code>(logical_volume, transformation, id, copy_no, child_id);
}
VECCORE_ATT_DEVICE
VPlacedVolume *UnplacedTet::SpecializedVolume(LogicalVolume const *const volume,
Transformation3D const *const transformation,
const TranslationCode trans_code, const RotationCode rot_code,
const int id, const int copy_no, const int child_id,
VPlacedVolume *const placement) const
{
return VolumeFactory::CreateByTransformation<UnplacedTet>(volume, transformation, trans_code, rot_code, id, copy_no,
child_id, placement);
}
#endif
#ifdef VECGEOM_CUDA_INTERFACE
DevicePtr<cuda::VUnplacedVolume> UnplacedTet::CopyToGpu(DevicePtr<cuda::VUnplacedVolume> const in_gpu_ptr) const
{
// Copy vertices on GPU, then create the object
Precision *p0 = AllocateOnGpu<Precision>(3 * sizeof(Precision));
Precision *p1 = AllocateOnGpu<Precision>(3 * sizeof(Precision));
Precision *p2 = AllocateOnGpu<Precision>(3 * sizeof(Precision));
Precision *p3 = AllocateOnGpu<Precision>(3 * sizeof(Precision));
vecgeom::CopyToGpu(&fTet.fVertex[0].x(), p0, 3 * sizeof(Precision));
vecgeom::CopyToGpu(&fTet.fVertex[1].x(), p1, 3 * sizeof(Precision));
vecgeom::CopyToGpu(&fTet.fVertex[2].x(), p2, 3 * sizeof(Precision));
vecgeom::CopyToGpu(&fTet.fVertex[3].x(), p3, 3 * sizeof(Precision));
DevicePtr<cuda::VUnplacedVolume> gpugentet = CopyToGpuImpl<UnplacedTet>(in_gpu_ptr, p0, p1, p2, p3);
FreeFromGpu(p0);
FreeFromGpu(p1);
FreeFromGpu(p2);
FreeFromGpu(p3);
return gpugentet;
}
DevicePtr<cuda::VUnplacedVolume> UnplacedTet::CopyToGpu() const
{
return CopyToGpuImpl<UnplacedTet>();
}
#endif // VECGEOM_CUDA_INTERFACE
} // namespace VECGEOM_IMPL_NAMESPACE
#ifdef VECCORE_CUDA
namespace cxx {
template size_t DevicePtr<cuda::UnplacedTet>::SizeOf();
template void DevicePtr<cuda::UnplacedTet>::Construct(Precision *, Precision *, Precision *, Precision *) const;
} // namespace cxx
#endif
} // namespace vecgeom
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