1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
#include "VecGeom/volumes/UnplacedMultiUnion.h"
#include "VecGeom/volumes/SpecializedMultiUnion.h"
#include "VecGeom/base/RNG.h"
#include <stdio.h>
namespace vecgeom {
inline namespace VECGEOM_IMPL_NAMESPACE {
Precision UnplacedMultiUnion::Capacity() const
{
if (fMultiUnion.fCapacity >= 0.) {
return fMultiUnion.fCapacity;
}
// Sample in the solid extent and estimate capacity by counting how many points are
// sampled inside
const size_t nsamples = 100000;
fMultiUnion.fCapacity = EstimateCapacity(nsamples);
return fMultiUnion.fCapacity;
}
Precision UnplacedMultiUnion::SurfaceArea() const
{
if (fMultiUnion.fSurfaceArea >= 0.) {
return fMultiUnion.fSurfaceArea;
}
// Sample points on components, count how many are on the solid surface to correct
// the surface area of each component
const size_t nsamples = 10000;
fMultiUnion.fSurfaceArea = 0.;
for (size_t i = 0; i < GetNumberOfSolids(); ++i) {
size_t nsurf = 0;
for (size_t ip = 0; ip < nsamples; ++ip) {
Vector3D<Precision> point =
GetNode(i)->GetTransformation()->InverseTransform(GetNode(i)->GetUnplacedVolume()->SamplePointOnSurface());
if (Inside(point) == vecgeom::kSurface) nsurf++;
}
fMultiUnion.fSurfaceArea += GetNode(i)->SurfaceArea() * nsurf / nsamples;
}
return fMultiUnion.fSurfaceArea;
}
Vector3D<Precision> UnplacedMultiUnion::SamplePointOnSurface() const
{
// Select a random component
auto counter = 0;
VPlacedVolume const *volume = nullptr;
Vector3D<Precision> point;
size_t id = 0;
do {
if (counter == 0) {
id = (size_t)RNG::Instance().uniform(0., GetNumberOfSolids());
volume = GetNode(id);
}
point = volume->GetTransformation()->InverseTransform(volume->GetUnplacedVolume()->SamplePointOnSurface());
counter = (counter + 1) % 1000;
} while (Inside(point) != vecgeom::kSurface);
return point;
}
bool UnplacedMultiUnion::Normal(Vector3D<Precision> const &point, Vector3D<Precision> &normal) const
{
// Compute normal to solid in a point
bool valid = false;
normal = MultiUnionImplementation::NormalKernel<Precision>(fMultiUnion, point, valid);
return valid;
}
#ifndef VECCORE_CUDA
template <TranslationCode trans_code, RotationCode rot_code>
VPlacedVolume *UnplacedMultiUnion::Create(LogicalVolume const *const logical_volume,
Transformation3D const *const transformation, VPlacedVolume *const placement)
{
if (placement) {
new (placement) SpecializedMultiUnion<trans_code, rot_code>(logical_volume, transformation);
return placement;
}
return new SpecializedMultiUnion<trans_code, rot_code>(logical_volume, transformation);
}
VPlacedVolume *UnplacedMultiUnion::SpecializedVolume(LogicalVolume const *const volume,
Transformation3D const *const transformation,
const TranslationCode trans_code, const RotationCode rot_code,
VPlacedVolume *const placement) const
{
return VolumeFactory::CreateByTransformation<UnplacedMultiUnion>(volume, transformation, trans_code, rot_code,
placement);
}
#else
template <TranslationCode trans_code, RotationCode rot_code>
VECCORE_ATT_DEVICE
VPlacedVolume *UnplacedMultiUnion::Create(LogicalVolume const *const logical_volume,
Transformation3D const *const transformation, const int id,
VPlacedVolume *const placement)
{
if (placement) {
new (placement) SpecializedMultiUnion<trans_code, rot_code>(logical_volume, transformation, id);
return placement;
}
return new SpecializedMultiUnion<trans_code, rot_code>(logical_volume, transformation, id);
}
VECCORE_ATT_DEVICE
VPlacedVolume *UnplacedMultiUnion::SpecializedVolume(LogicalVolume const *const volume,
Transformation3D const *const transformation,
const TranslationCode trans_code, const RotationCode rot_code,
const int id, VPlacedVolume *const placement) const
{
return VolumeFactory::CreateByTransformation<UnplacedMultiUnion>(volume, transformation, trans_code, rot_code, id,
placement);
}
#endif
#if defined(VECGEOM_CUDA_INTERFACE) && defined(VECGEOM_CUDA_HYBRID2)
DevicePtr<cuda::VUnplacedVolume> UnplacedMultiUnion::CopyToGpu(DevicePtr<cuda::VUnplacedVolume> const in_gpu_ptr) const
{
return CopyToGpuImpl<UnplacedMultiUnion>(in_gpu_ptr);
}
DevicePtr<cuda::VUnplacedVolume> UnplacedMultiUnion::CopyToGpu() const
{
return CopyToGpuImpl<UnplacedMultiUnion>();
}
#endif // VECGEOM_CUDA_INTERFACE
} // namespace VECGEOM_IMPL_NAMESPACE
#ifdef VECCORE_CUDA
namespace cxx {
template size_t DevicePtr<cuda::UnplacedMultiUnion>::SizeOf();
template void DevicePtr<cuda::UnplacedMultiUnion>::Construct() const;
template void ConstructManyOnGpu<cuda::MultiUnionImplementation /*, ... inferred from arguments */>(
std::size_t nElement, DevicePtr<cuda::VPlacedVolume> const * gpu_ptrs,
DevicePtr<cuda::LogicalVolume> const * logical, DevicePtr<cuda::Transformation3D> const * trafo,
decltype(std::declval<VPlacedVolume>().id()) const * ids,
decltype(std::declval<VPlacedVolume>().GetCopyNo()) const * copyNos,
decltype(std::declval<VPlacedVolume>().GetChildId()) const * childIds);
} // namespace cxx
#elif defined(VECGEOM_CUDA_INTERFACE) && !defined(VECGEOM_CUDA_HYBRID2)
namespace cuda {
// class UnplacedMultiUnion {};
}
inline namespace cxx {
template <>
size_t DevicePtr<cuda::LoopSpecializedVolImplHelper<cuda::MultiUnionImplementation, translation::kGeneric,
rotation::kGeneric>>::SizeOf()
{
return 0;
}
// template size_t DevicePtr<cuda::LoopSpecializedVolImplHelper<cuda::MultiUnionImplementation, translation::kGeneric,
// rotation::kGeneric>>::SizeOf();
template <>
template <>
void DevicePtr<
cuda::LoopSpecializedVolImplHelper<cuda::MultiUnionImplementation, translation::kGeneric, rotation::kGeneric>>::
Construct(DevicePtr<vecgeom::cuda::LogicalVolume>, DevicePtr<vecgeom::cuda::Transformation3D>, unsigned int, int,
int) const
{
return;
}
template <>
void ConstructManyOnGpu<
cuda::LoopSpecializedVolImplHelper<cuda::MultiUnionImplementation, translation::kGeneric, rotation::kGeneric>
/*, ... inferred from arguments */>(std::size_t nElement, DevicePtr<cuda::VPlacedVolume> const * gpu_ptrs,
DevicePtr<cuda::LogicalVolume> const * logical,
DevicePtr<cuda::Transformation3D> const * trafo,
decltype(std::declval<VPlacedVolume>().id()) const * ids,
decltype(std::declval<VPlacedVolume>().GetCopyNo()) const * copyNos,
decltype(std::declval<VPlacedVolume>().GetChildId()) const * childIds)
{
}
// template void DevicePtr<cuda::LoopSpecializedVolImplHelper<cuda::MultiUnionImplementation, translation::kGeneric,
// rotation::kGeneric>>::Construct() const;
} // namespace cxx
#endif
} // namespace vecgeom
|
