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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/// @file ScaledShapeImplementation.h
/// @author Mihaela Gheata (mihaela.gheata@cern.ch)
#ifndef VECGEOM_VOLUMES_KERNEL_SCALEDSHAPEIMPLEMENTATION_H_
#define VECGEOM_VOLUMES_KERNEL_SCALEDSHAPEIMPLEMENTATION_H_
#include "VecGeom/volumes/kernel/GenericKernels.h"
#include "VecGeom/base/Vector3D.h"
#include "VecGeom/volumes/ScaledShapeStruct.h"
#include <cstdio>
namespace vecgeom {
VECGEOM_DEVICE_FORWARD_DECLARE(struct ScaledShapeImplementation;);
VECGEOM_DEVICE_DECLARE_CONV(struct, ScaledShapeImplementation);
inline namespace VECGEOM_IMPL_NAMESPACE {
class PlacedScaledShape;
class UnplacedScaledShape;
// template <typename T>
// struct ScaledShapeStruct;
struct ScaledShapeImplementation {
using PlacedShape_t = PlacedScaledShape;
using UnplacedStruct_t = ScaledShapeStruct<Precision>;
using UnplacedVolume_t = UnplacedScaledShape;
VECCORE_ATT_HOST_DEVICE
static void PrintType()
{
// printf("SpecializedScaledShape<%i, %i>", transCodeT, rotCodeT);
}
template <typename Stream>
static void PrintType(Stream &s, int transCodeT = translation::kGeneric, int rotCodeT = rotation::kGeneric)
{
s << "SpecializedScaledShape<" << transCodeT << "," << rotCodeT << ","
<< ">";
}
template <typename Stream>
static void PrintImplementationType(Stream & /*s*/)
{
// s << "SpecializedScaledShape<" << transCodeT << "," << rotCodeT << ">";
}
template <typename Stream>
static void PrintUnplacedType(Stream & /*s*/)
{
// s << "UnplacedScaledShape";
}
template <typename Real_v, typename Bool_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void Contains(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point, Bool_v &inside);
template <typename Real_v, typename Inside_t>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void Inside(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point, Inside_t &inside);
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void DistanceToIn(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction, Real_v const &stepMax, Real_v &distance);
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void DistanceToOut(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction, Real_v const &stepMax, Real_v &distance);
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void SafetyToIn(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point, Real_v &safety);
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void SafetyToOut(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point, Real_v &safety);
template <typename Real_v>
VECGEOM_FORCE_INLINE
VECCORE_ATT_HOST_DEVICE
static void NormalKernel(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point, Vector3D<Real_v> &normal,
vecCore::Mask_v<Real_v> &valid);
}; // End struct ScaledShapeImplementation
// Implementations start here
template <typename Real_v, typename Bool_v>
VECCORE_ATT_HOST_DEVICE
void ScaledShapeImplementation::Contains(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point,
Bool_v &inside)
{
// Transform local point to unscaled shape frame
Vector3D<Real_v> ulocalPoint;
unplaced.fScale.Transform(point, ulocalPoint);
// Now call Contains for the unscaled shape
inside = unplaced.fPlaced->Contains(ulocalPoint);
}
template <typename Real_v, typename Inside_t>
VECCORE_ATT_HOST_DEVICE
void ScaledShapeImplementation::Inside(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point,
Inside_t &inside)
{
// Transform local point to unscaled shape frame
Vector3D<Real_v> ulocalPoint;
unplaced.fScale.Transform(point, ulocalPoint);
// Now call Inside for the unscaled shape
inside = unplaced.fPlaced->Inside(ulocalPoint);
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
void ScaledShapeImplementation::DistanceToIn(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction, Real_v const &stepMax, Real_v &distance)
{
// Transform point, direction and stepMax to unscaled shape frame
Vector3D<Real_v> ulocalPoint;
unplaced.fScale.Transform(point, ulocalPoint);
// Direction is un-normalized after scale transformation
Vector3D<Real_v> ulocalDir;
unplaced.fScale.Transform(direction, ulocalDir);
ulocalDir.Normalize();
auto ustepMax = unplaced.fScale.TransformDistance(stepMax, direction);
// Compute distance in unscaled system
distance = unplaced.fPlaced->DistanceToIn(ulocalPoint, ulocalDir, ustepMax);
// Convert distance back to master (leave unchanged if it was infinity)
vecCore__MaskedAssignFunc(distance, distance < InfinityLength<Real_v>(),
unplaced.fScale.InverseTransformDistance(distance, ulocalDir));
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
void ScaledShapeImplementation::DistanceToOut(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point,
Vector3D<Real_v> const &direction, Real_v const &stepMax,
Real_v &distance)
{
// Transform point, direction and stepMax to unscaled shape frame
Vector3D<Real_v> ulocalPoint;
unplaced.fScale.Transform(point, ulocalPoint);
// Direction is un-normalized after scale transformation
Vector3D<Real_v> ulocalDir;
unplaced.fScale.Transform(direction, ulocalDir);
ulocalDir.Normalize();
auto ustepMax = unplaced.fScale.TransformDistance(stepMax, direction);
// Compute distance in unscaled system
distance = unplaced.fPlaced->DistanceToOut(ulocalPoint, ulocalDir, ustepMax);
// Convert distance back to master (leave unchanged if it was infinity)
vecCore__MaskedAssignFunc(distance, distance < InfinityLength<Real_v>(),
unplaced.fScale.InverseTransformDistance(distance, ulocalDir));
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
void ScaledShapeImplementation::SafetyToIn(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point,
Real_v &safety)
{
// Transform point to unscaled shape frame
Vector3D<Real_v> ulocalPoint;
unplaced.fScale.Transform(point, ulocalPoint);
// Compute unscaled safety, then scale it.
safety = unplaced.fPlaced->SafetyToIn(ulocalPoint);
safety = unplaced.fScale.InverseTransformSafety(safety);
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
void ScaledShapeImplementation::SafetyToOut(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point,
Real_v &safety)
{
// Transform point to unscaled shape frame
Vector3D<Real_v> ulocalPoint;
unplaced.fScale.Transform(point, ulocalPoint);
// Compute unscaled safety, then scale it.
safety = unplaced.fPlaced->SafetyToOut(ulocalPoint);
safety = unplaced.fScale.InverseTransformSafety(safety);
}
template <typename Real_v>
VECCORE_ATT_HOST_DEVICE
void ScaledShapeImplementation::NormalKernel(UnplacedStruct_t const &unplaced, Vector3D<Real_v> const &point,
Vector3D<Real_v> &normal, vecCore::Mask_v<Real_v> & /* valid */)
{
// Transform point to unscaled shape frame
Vector3D<Real_v> ulocalPoint;
unplaced.fScale.Transform(point, ulocalPoint);
// Compute normal in unscaled frame
Vector3D<Real_v> ulocalNorm;
unplaced.fPlaced->Normal(ulocalPoint, ulocalNorm /*, valid*/);
// Convert normal to scaled frame
unplaced.fScale.InverseTransformNormal(ulocalNorm, normal);
normal.Normalize();
}
} // namespace VECGEOM_IMPL_NAMESPACE
} // namespace vecgeom
#endif // VECGEOM_VOLUMES_KERNEL_SCALEDSHAPEIMPLEMENTATION_H_
|
