geoidmapper_test.cxx
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1 /**
2  * @file geoidmapper_test.cxx
3  * @brief Unit test for `geo::GeoIDmapper`.
4  * @author Gianluca Petrillo (petrillo@fnal.gov)
5  * @date October 26, 2019
6  * @see `larcorealg/Geometry/GeometryDataContainers.h`
7  */
8 
9 // Boost libraries
10 #define BOOST_TEST_MODULE (geo ID mapper test)
11 #include <boost/test/unit_test.hpp>
12 
13 // LArSoft libraries
17 
18 
19 //------------------------------------------------------------------------------
21  geo::TPCIDmapper<> mapper, // copy here is intentional
22  std::size_t const NCryostats, std::size_t const NTPCs
23 ) {
24 
25  using Mapper_t = geo::TPCIDmapper<>;
26 
27  std::size_t const N = NCryostats * NTPCs;
28 
29  static_assert(mapper.dimensions() == 2U);
30  BOOST_TEST(mapper.dimSize<0U>() == NCryostats);
31  BOOST_TEST(mapper.dimSize<1U>() == NTPCs);
32  BOOST_TEST(mapper.dimSize<2U>() == 0U);
33  BOOST_TEST(mapper.dimSize<3U>() == 0U);
34 
35  BOOST_TEST(!mapper.empty());
36  BOOST_TEST(mapper.size() == N);
37 
38  auto expected_index = Mapper_t::index_type{ 0 };
39  for (auto c: util::counter<unsigned int>(NCryostats)) {
40  for (auto t: util::counter<unsigned int>(NTPCs)) {
41  geo::TPCID const expected_ID { c, t };
42 
43  auto const& ID = mapper.ID(expected_index);
44 
45  BOOST_TEST(mapper.index(expected_ID) == expected_index);
46  BOOST_TEST(ID == expected_ID);
47  BOOST_TEST(ID.isValid);
48 
49  ++expected_index;
50  } // for TPCs
51  } // for cryostats
52  BOOST_TEST(mapper.size() == expected_index);
53  BOOST_TEST(!mapper.ID(expected_index).isValid);
54 
55  BOOST_TEST(mapper.firstID() == geo::TPCID(0, 0));
56  BOOST_TEST(mapper.lastID() == geo::TPCID(1, 2));
57 
58  BOOST_TEST( mapper.hasElement({ 0, 0 }));
59  BOOST_TEST( mapper.hasElement({ 0, 1 }));
60  BOOST_TEST( mapper.hasElement({ 0, 2 }));
61  BOOST_TEST(!mapper.hasElement({ 0, 3 }));
62  BOOST_TEST(!mapper.hasElement({ 0, 4 }));
63  BOOST_TEST( mapper.hasElement({ 1, 0 }));
64  BOOST_TEST( mapper.hasElement({ 1, 1 }));
65  BOOST_TEST( mapper.hasElement({ 1, 2 }));
66  BOOST_TEST(!mapper.hasElement({ 1, 3 }));
67  BOOST_TEST(!mapper.hasElement({ 1, 4 }));
68  BOOST_TEST(!mapper.hasElement({ 2, 0 }));
69  BOOST_TEST(!mapper.hasElement({ 2, 1 }));
70  BOOST_TEST(!mapper.hasElement({ 2, 2 }));
71  BOOST_TEST(!mapper.hasElement({ 2, 3 }));
72  BOOST_TEST(!mapper.hasElement({ 2, 4 }));
73 
74  BOOST_TEST( mapper.hasElement<geo::CryostatID>(geo::TPCID{ 0, 0 }));
75  BOOST_TEST( mapper.hasElement<geo::CryostatID>(geo::TPCID{ 0, 1 }));
76  BOOST_TEST( mapper.hasElement<geo::CryostatID>(geo::TPCID{ 0, 2 }));
77  BOOST_TEST( mapper.hasElement<geo::CryostatID>(geo::TPCID{ 0, 3 }));
78  BOOST_TEST( mapper.hasElement<geo::CryostatID>(geo::TPCID{ 0, 4 }));
79  BOOST_TEST( mapper.hasElement<geo::CryostatID>(geo::TPCID{ 1, 0 }));
80  BOOST_TEST( mapper.hasElement<geo::CryostatID>(geo::TPCID{ 1, 1 }));
81  BOOST_TEST( mapper.hasElement<geo::CryostatID>(geo::TPCID{ 1, 2 }));
82  BOOST_TEST( mapper.hasElement<geo::CryostatID>(geo::TPCID{ 1, 3 }));
83  BOOST_TEST( mapper.hasElement<geo::CryostatID>(geo::TPCID{ 1, 4 }));
84  BOOST_TEST(!mapper.hasElement<geo::CryostatID>(geo::TPCID{ 2, 0 }));
85  BOOST_TEST(!mapper.hasElement<geo::CryostatID>(geo::TPCID{ 2, 1 }));
86  BOOST_TEST(!mapper.hasElement<geo::CryostatID>(geo::TPCID{ 2, 2 }));
87  BOOST_TEST(!mapper.hasElement<geo::CryostatID>(geo::TPCID{ 2, 3 }));
88  BOOST_TEST(!mapper.hasElement<geo::CryostatID>(geo::TPCID{ 2, 4 }));
89 
90 
91  auto const& constMapper = mapper;
92 
93  BOOST_TEST(constMapper.dimSize<0U>() == NCryostats);
94  BOOST_TEST(constMapper.dimSize<1U>() == NTPCs);
95  BOOST_TEST(constMapper.dimSize<2U>() == 0U);
96  BOOST_TEST(constMapper.dimSize<3U>() == 0U);
97 
98 
99  mapper.clear();
100  BOOST_TEST(mapper.empty());
101 
102 } // TPCIDmappingTest()
103 
104 
105 //------------------------------------------------------------------------------
107  geo::PlaneIDmapper<> mapper, // copy here is intentional
108  std::size_t const NCryostats,
109  std::size_t const NTPCs,
110  std::size_t const NPlanes
111 ) {
112 
113  using Mapper_t = geo::PlaneIDmapper<>;
114 
115  std::size_t const N = NCryostats * NTPCs * NPlanes;
116 
117  static_assert(mapper.dimensions() == 3U);
118  BOOST_TEST(mapper.dimSize<0U>() == NCryostats);
119  BOOST_TEST(mapper.dimSize<1U>() == NTPCs);
120  BOOST_TEST(mapper.dimSize<2U>() == NPlanes);
121  BOOST_TEST(mapper.dimSize<3U>() == 0U);
122 
123  BOOST_TEST(!mapper.empty());
124  BOOST_TEST(mapper.size() == N);
125 
126  auto expected_index = Mapper_t::index_type{ 0 };
127  for (auto c: util::counter<unsigned int>(NCryostats)) {
128  for (auto t: util::counter<unsigned int>(NTPCs)) {
129  for (auto p: util::counter<unsigned int>(NPlanes)) {
130  geo::PlaneID const expected_ID { c, t, p };
131 
132  BOOST_TEST(mapper.index(expected_ID) == expected_index);
133  BOOST_TEST(mapper.ID(expected_index) == expected_ID);
134 
135  ++expected_index;
136  } // for planes
137  } // for TPCs
138  } // for cryostats
139  BOOST_TEST(mapper.size() == expected_index);
140 
141  BOOST_TEST(mapper.firstID() == geo::PlaneID(0, 0, 0));
142  BOOST_TEST(mapper.lastID() == geo::PlaneID(1, 2, 1));
143 
144  BOOST_TEST( mapper.hasPlane({ 0, 0, 0}));
145  BOOST_TEST( mapper.hasPlane({ 0, 0, 1}));
146  BOOST_TEST(!mapper.hasPlane({ 0, 0, 2}));
147  BOOST_TEST( mapper.hasPlane({ 0, 1, 0}));
148  BOOST_TEST( mapper.hasPlane({ 0, 1, 1}));
149  BOOST_TEST(!mapper.hasPlane({ 0, 1, 2}));
150  BOOST_TEST( mapper.hasPlane({ 0, 2, 0}));
151  BOOST_TEST( mapper.hasPlane({ 0, 2, 1}));
152  BOOST_TEST(!mapper.hasPlane({ 0, 2, 2}));
153  BOOST_TEST(!mapper.hasPlane({ 0, 3, 0}));
154  BOOST_TEST(!mapper.hasPlane({ 0, 3, 1}));
155  BOOST_TEST(!mapper.hasPlane({ 0, 3, 2}));
156  BOOST_TEST(!mapper.hasPlane({ 0, 4, 0}));
157  BOOST_TEST(!mapper.hasPlane({ 0, 4, 1}));
158  BOOST_TEST(!mapper.hasPlane({ 0, 4, 2}));
159  BOOST_TEST( mapper.hasPlane({ 1, 0, 0}));
160  BOOST_TEST( mapper.hasPlane({ 1, 0, 1}));
161  BOOST_TEST(!mapper.hasPlane({ 1, 0, 2}));
162  BOOST_TEST( mapper.hasPlane({ 1, 1, 0}));
163  BOOST_TEST( mapper.hasPlane({ 1, 1, 1}));
164  BOOST_TEST(!mapper.hasPlane({ 1, 1, 2}));
165  BOOST_TEST( mapper.hasPlane({ 1, 2, 0}));
166  BOOST_TEST( mapper.hasPlane({ 1, 2, 1}));
167  BOOST_TEST(!mapper.hasPlane({ 1, 2, 2}));
168  BOOST_TEST(!mapper.hasPlane({ 1, 3, 0}));
169  BOOST_TEST(!mapper.hasPlane({ 1, 3, 1}));
170  BOOST_TEST(!mapper.hasPlane({ 1, 3, 2}));
171  BOOST_TEST(!mapper.hasPlane({ 1, 4, 0}));
172  BOOST_TEST(!mapper.hasPlane({ 1, 4, 1}));
173  BOOST_TEST(!mapper.hasPlane({ 1, 4, 2}));
174  BOOST_TEST(!mapper.hasPlane({ 2, 0, 0}));
175  BOOST_TEST(!mapper.hasPlane({ 2, 0, 1}));
176  BOOST_TEST(!mapper.hasPlane({ 2, 0, 2}));
177  BOOST_TEST(!mapper.hasPlane({ 2, 1, 0}));
178  BOOST_TEST(!mapper.hasPlane({ 2, 1, 1}));
179  BOOST_TEST(!mapper.hasPlane({ 2, 1, 2}));
180  BOOST_TEST(!mapper.hasPlane({ 2, 2, 0}));
181  BOOST_TEST(!mapper.hasPlane({ 2, 2, 1}));
182  BOOST_TEST(!mapper.hasPlane({ 2, 2, 2}));
183  BOOST_TEST(!mapper.hasPlane({ 2, 3, 0}));
184  BOOST_TEST(!mapper.hasPlane({ 2, 3, 1}));
185  BOOST_TEST(!mapper.hasPlane({ 2, 3, 2}));
186  BOOST_TEST(!mapper.hasPlane({ 2, 4, 0}));
187  BOOST_TEST(!mapper.hasPlane({ 2, 4, 1}));
188  BOOST_TEST(!mapper.hasPlane({ 2, 4, 2}));
189 
190  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 0, 0, 0}));
191  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 0, 0, 1}));
192  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 0, 0, 2}));
193  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 0, 1, 0}));
194  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 0, 1, 1}));
195  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 0, 1, 2}));
196  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 0, 2, 0}));
197  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 0, 2, 1}));
198  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 0, 2, 2}));
199  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 0, 3, 0}));
200  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 0, 3, 1}));
201  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 0, 3, 2}));
202  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 0, 4, 0}));
203  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 0, 4, 1}));
204  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 0, 4, 2}));
205  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 1, 0, 0}));
206  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 1, 0, 1}));
207  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 1, 0, 2}));
208  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 1, 1, 0}));
209  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 1, 1, 1}));
210  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 1, 1, 2}));
211  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 1, 2, 0}));
212  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 1, 2, 1}));
213  BOOST_TEST( mapper.hasTPC(geo::PlaneID{ 1, 2, 2}));
214  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 1, 3, 0}));
215  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 1, 3, 1}));
216  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 1, 3, 2}));
217  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 1, 4, 0}));
218  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 1, 4, 1}));
219  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 1, 4, 2}));
220  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 0, 0}));
221  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 0, 1}));
222  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 0, 2}));
223  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 1, 0}));
224  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 1, 1}));
225  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 1, 2}));
226  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 2, 0}));
227  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 2, 1}));
228  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 2, 2}));
229  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 3, 0}));
230  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 3, 1}));
231  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 3, 2}));
232  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 4, 0}));
233  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 4, 1}));
234  BOOST_TEST(!mapper.hasTPC(geo::PlaneID{ 2, 4, 2}));
235 
236  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 0, 0}));
237  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 0, 1}));
238  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 0, 2}));
239  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 1, 0}));
240  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 1, 1}));
241  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 1, 2}));
242  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 2, 0}));
243  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 2, 1}));
244  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 2, 2}));
245  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 3, 0}));
246  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 3, 1}));
247  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 3, 2}));
248  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 4, 0}));
249  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 4, 1}));
250  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 0, 4, 2}));
251  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 0, 0}));
252  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 0, 1}));
253  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 0, 2}));
254  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 1, 0}));
255  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 1, 1}));
256  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 1, 2}));
257  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 2, 0}));
258  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 2, 1}));
259  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 2, 2}));
260  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 3, 0}));
261  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 3, 1}));
262  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 3, 2}));
263  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 4, 0}));
264  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 4, 1}));
265  BOOST_TEST( mapper.hasCryostat(geo::PlaneID{ 1, 4, 2}));
266  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 0, 0}));
267  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 0, 1}));
268  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 0, 2}));
269  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 1, 0}));
270  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 1, 1}));
271  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 1, 2}));
272  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 2, 0}));
273  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 2, 1}));
274  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 2, 2}));
275  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 3, 0}));
276  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 3, 1}));
277  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 3, 2}));
278  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 4, 0}));
279  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 4, 1}));
280  BOOST_TEST(!mapper.hasCryostat(geo::PlaneID{ 2, 4, 2}));
281 
282 
283  auto const& constMapper = mapper;
284 
285  BOOST_TEST(constMapper.dimSize<0U>() == NCryostats);
286  BOOST_TEST(constMapper.dimSize<1U>() == NTPCs);
287  BOOST_TEST(constMapper.dimSize<2U>() == NPlanes);
288  BOOST_TEST(constMapper.dimSize<3U>() == 0U);
289 
290  mapper.clear();
291  BOOST_TEST(mapper.empty());
292 
293 } // PlaneIDmappingTest()
294 
295 
296 BOOST_AUTO_TEST_SUITE(geoidmapper_test)
297 
298 //------------------------------------------------------------------------------
299 BOOST_AUTO_TEST_CASE(TPCIDmappingTestCase) {
300 
301  constexpr std::size_t NCryostats = 2U;
302  constexpr std::size_t NTPCs = 3U;
303 
304  //
305  // size constructor
306  //
307  geo::TPCIDmapper<> mapper1(NCryostats, NTPCs);
308  TPCIDmappingTest(mapper1, NCryostats, NTPCs);
309 
310  //
311  // default constructor + resize
312  //
313  geo::TPCIDmapper<> mapper2;
314  BOOST_TEST(mapper2.empty());
315 
316  mapper2.resizeAs(mapper1);
317  TPCIDmappingTest(mapper2, NCryostats, NTPCs);
318 
319 } // TPCIDmappingTestCase
320 
321 
322 //------------------------------------------------------------------------------
323 BOOST_AUTO_TEST_CASE(PlaneIDmappingTestCase) {
324 
325  constexpr std::size_t NCryostats = 2U;
326  constexpr std::size_t NTPCs = 3U;
327  constexpr std::size_t NPlanes = 2U;
328 
329  //
330  // size constructor
331  //
332  geo::PlaneIDmapper<> mapper1(NCryostats, NTPCs, NPlanes);
333  PlaneIDmappingTest(mapper1, NCryostats, NTPCs, NPlanes);
334 
335  //
336  // default constructor + resize
337  //
338  geo::PlaneIDmapper<> mapper2;
339  BOOST_TEST(mapper2.empty());
340 
341  mapper2.resizeAs(mapper1);
342  PlaneIDmappingTest(mapper2, NCryostats, NTPCs, NPlanes);
343 
344 } // PlaneIDmappingTestCase
345 
346 
347 //------------------------------------------------------------------------------
348 
349 BOOST_AUTO_TEST_SUITE_END()
void PlaneIDmappingTest(geo::PlaneIDmapper<> mapper, std::size_t const NCryostats, std::size_t const NTPCs, std::size_t const NPlanes)
void TPCIDmappingTest(geo::TPCIDmapper<> mapper, std::size_t const NCryostats, std::size_t const NTPCs)
ID_t ID(index_type const index) const
Returns the ID corresponding to the specified linear index.
bool hasCryostat(geo::CryostatID const &cryoid) const
Returns whether this mapping covers the specified cryostat.
index_type size() const
Returns the number of elements in the mapping.
unsigned int ID
void resizeAs(geo::GeoIDmapper< OIDType, OIndex > const &other)
Resizes the mapping to reflect the one from another mapping.
GeoID firstID() const
Returns the ID of the first element with GeoID type.
The data type to uniquely identify a Plane.
Definition: geo_types.h:472
bool isValid
Whether this ID points to a valid element.
Definition: geo_types.h:211
Mapping between geometry/readout ID and flat index.
BOOST_AUTO_TEST_CASE(TPCIDmappingTestCase)
static constexpr unsigned int dimensions()
Dimensions of the ID of this mapping.
unsigned int dimSize() const
Dimensions of the Level dimension of this mapping.
p
Definition: test.py:223
Test of util::counter and support utilities.
The data type to uniquely identify a TPC.
Definition: geo_types.h:386
Definition of data types for geometry description.
GeoID lastID() const
Returns the ID of the last covered element with GeoID type.
bool hasElement(GeoID const &id) const
Returns whether this mapping hosts data for the specified ID.
bool empty() const
Returns whether the mapping has no elements (false by assumptions).
detail::Node< FrameID, bool > PlaneID
Definition: CRTID.h:125
IDparameter< geo::TPCID > TPCID
Member type of validated geo::TPCID parameter.
index_type index(ID_t const &id) const
Returns the linear index corresponding to the specified ID.
bool hasPlane(geo::PlaneID const &planeid) const
Returns whether this mapping covers the specified plane.
bool hasTPC(geo::TPCID const &tpcid) const
Returns whether this mapping covers the specified TPC.
The data type to uniquely identify a cryostat.
Definition: geo_types.h:190
void clear()
Sets all dimension sizes to 0.