LArSoft  v06_85_00
Liquid Argon Software toolkit - http://larsoft.org/
Static Public Member Functions | Static Private Member Functions | List of all members
lar_pandora::LArPandoraGeometry Class Reference

LArPandoraGeometry class. More...

#include "LArPandoraGeometry.h"

Static Public Member Functions

static void LoadDetectorGaps (LArDetectorGapList &listOfGaps)
 Load the 2D gaps that go with the chosen geometry. More...
 
static void LoadGeometry (LArDriftVolumeList &outputVolumeList, LArDriftVolumeMap &outputVolumeMap)
 Load drift volume geometry. More...
 
static unsigned int GetVolumeID (const LArDriftVolumeMap &driftVolumeMap, const unsigned int cstat, const unsigned int tpc)
 Get drift volume ID from a specified cryostat/tpc pair. More...
 
static geo::View_t GetGlobalView (const unsigned int cstat, const unsigned int tpc, const geo::View_t hit_View)
 Convert to global coordinate system. More...
 

Static Private Member Functions

static unsigned int GetTpcID (const unsigned int cstat, const unsigned int tpc)
 Generate a unique identifier for each TPC. More...
 
static bool ShouldSwitchUV (const unsigned int cstat, const unsigned int tpc)
 Return whether U/V should be switched in global coordinate system for this cryostat/tpc. More...
 
static bool ShouldSwitchUV (const bool isPositiveDrift)
 Return whether U/V should be switched in global coordinate system for this drift direction. More...
 
static void LoadGeometry (LArDriftVolumeList &driftVolumeList)
 This method will group TPCs into drift volumes (these are regions of the detector that share a common drift direction, common range of X coordinates, and common detector parameters such as wire pitch and wire angle). More...
 
static void LoadGlobalDaughterGeometry (const LArDriftVolumeList &driftVolumeList, LArDriftVolumeList &daughterVolumeList)
 This method will create one or more daughter volumes (these share a common drift orientation along the X-axis, have parallel or near-parallel wire angles, and similar wire pitches) More...
 

Detailed Description

LArPandoraGeometry class.

Definition at line 254 of file LArPandoraGeometry.h.

Member Function Documentation

geo::View_t lar_pandora::LArPandoraGeometry::GetGlobalView ( const unsigned int  cstat,
const unsigned int  tpc,
const geo::View_t  hit_View 
)
static

Convert to global coordinate system.

Parameters
cstatthe input cryostat
tpcthe input tpc
hit_Viewthe input view

Definition at line 111 of file LArPandoraGeometry.cxx.

References geo::kU, geo::kV, geo::kW, geo::kY, and ShouldSwitchUV().

Referenced by lar_pandora::LArPandoraInput::CreatePandoraHits2D(), and lar_pandora::LArPandoraInput::CreatePandoraReadoutGaps().

112 {
113  const bool switchUV(LArPandoraGeometry::ShouldSwitchUV(cstat, tpc));
114 
115  // ATTN This implicitly assumes that there will be u, v and (maybe) one of either w or y views
116  if ((hit_View == geo::kW) || (hit_View == geo::kY))
117  {
118  return geo::kW;
119  }
120  else if(hit_View == geo::kU)
121  {
122  return (switchUV ? geo::kV : geo::kU);
123  }
124  else if(hit_View == geo::kV)
125  {
126  return (switchUV ? geo::kU : geo::kV);
127  }
128  else
129  {
130  throw cet::exception("LArPandora") << " LArPandoraGeometry::GetGlobalView --- found an unknown plane view (not U, V or W) ";
131  }
132 }
geo::kV
Planes which measure V.
Definition: geo_types.h:77
geo::kY
Planes which measure Y direction.
Definition: geo_types.h:80
geo::kU
Planes which measure U.
Definition: geo_types.h:76
lar_pandora::LArPandoraGeometry::ShouldSwitchUV
static bool ShouldSwitchUV(const unsigned int cstat, const unsigned int tpc)
Return whether U/V should be switched in global coordinate system for this cryostat/tpc.
Definition: LArPandoraGeometry.cxx:147
geo::kW
Planes which measure W (third view for Bo, MicroBooNE, etc).
Definition: geo_types.h:78
fhicl::exception
cet::coded_exception< error, detail::translate > exception
Definition: exception.h:33
unsigned int lar_pandora::LArPandoraGeometry::GetTpcID ( const unsigned int  cstat,
const unsigned int  tpc 
)
staticprivate

Generate a unique identifier for each TPC.

Parameters
cstatthe input cryostat
tpcthe input tpc

Definition at line 136 of file LArPandoraGeometry.cxx.

Referenced by GetVolumeID(), and LoadGeometry().

137 {
138  // We assume there will never be more than 10000 TPCs in a cryostat!
139  if (tpc >= 10000)
140  throw cet::exception("LArPandora") << " LArPandoraGeometry::GetTpcID --- found a TPC with an ID greater than 10000 ";
141 
142  return ((10000 * cstat) + tpc);
143 }
fhicl::exception
cet::coded_exception< error, detail::translate > exception
Definition: exception.h:33
unsigned int lar_pandora::LArPandoraGeometry::GetVolumeID ( const LArDriftVolumeMap &  driftVolumeMap,
const unsigned int  cstat,
const unsigned int  tpc 
)
static

Get drift volume ID from a specified cryostat/tpc pair.

Parameters
driftVolumeMapthe output mapping between cryostat/tpc and drift volumes
cstatthe input cryostat unique ID
tpcthe input tpc unique ID

Definition at line 96 of file LArPandoraGeometry.cxx.

References GetTpcID().

Referenced by lar_pandora::LArPandoraInput::CreatePandoraHits2D(), and lar_pandora::LArPandoraInput::CreatePandoraReadoutGaps().

97 {
98  if (driftVolumeMap.empty())
99  throw cet::exception("LArPandora") << " LArPandoraGeometry::GetVolumeID --- detector geometry map is empty";
100 
101  LArDriftVolumeMap::const_iterator iter = driftVolumeMap.find(LArPandoraGeometry::GetTpcID(cstat, tpc));
102 
103  if (driftVolumeMap.end() == iter)
104  throw cet::exception("LArPandora") << " LArPandoraGeometry::GetVolumeID --- found a TPC that doesn't belong to a drift volume";
105 
106  return iter->second.GetVolumeID();
107 }
lar_pandora::LArPandoraGeometry::GetTpcID
static unsigned int GetTpcID(const unsigned int cstat, const unsigned int tpc)
Generate a unique identifier for each TPC.
Definition: LArPandoraGeometry.cxx:136
const_iterator
intermediate_table::const_iterator const_iterator
Definition: intermediate_table.cc:25
fhicl::exception
cet::coded_exception< error, detail::translate > exception
Definition: exception.h:33
void lar_pandora::LArPandoraGeometry::LoadDetectorGaps ( LArDetectorGapList &  listOfGaps)
static

Load the 2D gaps that go with the chosen geometry.

Parameters
listOfGapsthe output list of 2D gaps.

Definition at line 23 of file LArPandoraGeometry.cxx.

References f, lar_pandora::LArDriftVolume::GetCenterX(), lar_pandora::LArDriftVolume::GetCenterY(), lar_pandora::LArDriftVolume::GetCenterZ(), lar_pandora::LArDriftVolume::GetVolumeID(), lar_pandora::LArDriftVolume::GetWidthX(), lar_pandora::LArDriftVolume::GetWidthY(), lar_pandora::LArDriftVolume::GetWidthZ(), LoadGeometry(), max, min, X1, X2, Y1, Y2, Z1, and Z2.

Referenced by lar_pandora::LArPandora::beginJob().

24 {
25  // Detector gaps can only be loaded once - throw an exception if the output lists are already filled
26  if (!listOfGaps.empty())
27  throw cet::exception("LArPandora") << " LArPandoraGeometry::LoadDetectorGaps --- the list of gaps already exists ";
28 
29  // Loop over drift volumes and write out the dead regions at their boundaries
30  LArDriftVolumeList driftVolumeList;
31  LArPandoraGeometry::LoadGeometry(driftVolumeList);
32 
33  for (LArDriftVolumeList::const_iterator iter1 = driftVolumeList.begin(), iterEnd1 = driftVolumeList.end(); iter1 != iterEnd1; ++iter1)
34  {
35  const LArDriftVolume &driftVolume1 = *iter1;
36 
37  for (LArDriftVolumeList::const_iterator iter2 = iter1, iterEnd2 = driftVolumeList.end(); iter2 != iterEnd2; ++iter2)
38  {
39  const LArDriftVolume &driftVolume2 = *iter2;
40 
41  if (driftVolume1.GetVolumeID() == driftVolume2.GetVolumeID())
42  continue;
43 
44  const float maxDisplacement(30.f); // TODO: 30cm should be fine, but can we do better than a hard-coded number here?
45  const float deltaZ(std::fabs(driftVolume1.GetCenterZ() - driftVolume2.GetCenterZ()));
46  const float deltaY(std::fabs(driftVolume1.GetCenterY() - driftVolume2.GetCenterY()));
47  const float deltaX(std::fabs(driftVolume1.GetCenterX() - driftVolume2.GetCenterX()));
48  const float widthX(0.5f * (driftVolume1.GetWidthX() + driftVolume2.GetWidthX()));
49  const float gapX(deltaX - widthX);
50 
51  if (gapX < 0.f || gapX > maxDisplacement || deltaY > maxDisplacement || deltaZ > maxDisplacement)
52  continue;
53 
54  const float X1((driftVolume1.GetCenterX() < driftVolume2.GetCenterX()) ? (driftVolume1.GetCenterX() + 0.5f * driftVolume1.GetWidthX()) :
55  (driftVolume2.GetCenterX() + 0.5f * driftVolume2.GetWidthX()));
56  const float X2((driftVolume1.GetCenterX() > driftVolume2.GetCenterX()) ? (driftVolume1.GetCenterX() - 0.5f * driftVolume1.GetWidthX()) :
57  (driftVolume2.GetCenterX() - 0.5f * driftVolume2.GetWidthX()));
58  const float Y1(std::min((driftVolume1.GetCenterY() - 0.5f * driftVolume1.GetWidthY()),
59  (driftVolume2.GetCenterY() - 0.5f * driftVolume2.GetWidthY())));
60  const float Y2(std::max((driftVolume1.GetCenterY() + 0.5f * driftVolume1.GetWidthY()),
61  (driftVolume2.GetCenterY() + 0.5f * driftVolume2.GetWidthY())));
62  const float Z1(std::min((driftVolume1.GetCenterZ() - 0.5f * driftVolume1.GetWidthZ()),
63  (driftVolume2.GetCenterZ() - 0.5f * driftVolume2.GetWidthZ())));
64  const float Z2(std::max((driftVolume1.GetCenterZ() + 0.5f * driftVolume1.GetWidthZ()),
65  (driftVolume2.GetCenterZ() + 0.5f * driftVolume2.GetWidthZ())));
66 
67  listOfGaps.push_back(LArDetectorGap(X1, Y1, Z1, X2, Y2, Z2));
68  }
69  }
70 }
lar_pandora::LArDriftVolumeList
std::vector< LArDriftVolume > LArDriftVolumeList
Definition: LArPandoraGeometry.h:245
X2
Double_t X2
Definition: plot.C:266
f
TFile f
Definition: plotHisto.C:6
lar_pandora::LArPandoraGeometry::LoadGeometry
static void LoadGeometry(LArDriftVolumeList &outputVolumeList, LArDriftVolumeMap &outputVolumeMap)
Load drift volume geometry.
Definition: LArPandoraGeometry.cxx:74
max
Int_t max
Definition: plot.C:27
const_iterator
intermediate_table::const_iterator const_iterator
Definition: intermediate_table.cc:25
X1
Double_t X1
Definition: plot.C:266
Y1
Double_t Y1
Definition: plot.C:266
Z2
Double_t Z2
Definition: plot.C:266
Z1
Double_t Z1
Definition: plot.C:266
min
Int_t min
Definition: plot.C:26
fhicl::exception
cet::coded_exception< error, detail::translate > exception
Definition: exception.h:33
Y2
Double_t Y2
Definition: plot.C:266
void lar_pandora::LArPandoraGeometry::LoadGeometry ( LArDriftVolumeList &  outputVolumeList,
LArDriftVolumeMap &  outputVolumeMap 
)
static

Load drift volume geometry.

Parameters
outputVolumeListthe output list of drift volumes
outputVolumeMapthe output mapping between cryostat/tpc and drift volumes

Definition at line 74 of file LArPandoraGeometry.cxx.

References GetTpcID(), and LoadGlobalDaughterGeometry().

Referenced by lar_pandora::LArPandora::beginJob(), and LoadDetectorGaps().

75 {
76  if (!outputVolumeList.empty())
77  throw cet::exception("LArPandora") << " LArPandoraGeometry::LoadGeometry --- the list of drift volumes already exists ";
78 
79  // Use a global coordinate system but keep drift volumes separate
80  LArDriftVolumeList inputVolumeList;
81  LArPandoraGeometry::LoadGeometry(inputVolumeList);
82  LArPandoraGeometry::LoadGlobalDaughterGeometry(inputVolumeList, outputVolumeList);
83 
84  // Create mapping between tpc/cstat labels and drift volumes
85  for (const LArDriftVolume &driftVolume : outputVolumeList)
86  {
87  for (const LArDaughterDriftVolume &tpcVolume : driftVolume.GetTpcVolumeList())
88  {
89  (void) outputVolumeMap.insert(LArDriftVolumeMap::value_type(LArPandoraGeometry::GetTpcID(tpcVolume.GetCryostat(), tpcVolume.GetTpc()), driftVolume));
90  }
91  }
92 }
lar_pandora::LArDriftVolumeList
std::vector< LArDriftVolume > LArDriftVolumeList
Definition: LArPandoraGeometry.h:245
lar_pandora::LArPandoraGeometry::LoadGeometry
static void LoadGeometry(LArDriftVolumeList &outputVolumeList, LArDriftVolumeMap &outputVolumeMap)
Load drift volume geometry.
Definition: LArPandoraGeometry.cxx:74
lar_pandora::LArPandoraGeometry::GetTpcID
static unsigned int GetTpcID(const unsigned int cstat, const unsigned int tpc)
Generate a unique identifier for each TPC.
Definition: LArPandoraGeometry.cxx:136
lar_pandora::LArPandoraGeometry::LoadGlobalDaughterGeometry
static void LoadGlobalDaughterGeometry(const LArDriftVolumeList &driftVolumeList, LArDriftVolumeList &daughterVolumeList)
This method will create one or more daughter volumes (these share a common drift orientation along th...
Definition: LArPandoraGeometry.cxx:305
fhicl::exception
cet::coded_exception< error, detail::translate > exception
Definition: exception.h:33
void lar_pandora::LArPandoraGeometry::LoadGeometry ( LArDriftVolumeList &  driftVolumeList)
staticprivate

This method will group TPCs into drift volumes (these are regions of the detector that share a common drift direction, common range of X coordinates, and common detector parameters such as wire pitch and wire angle).

Parameters
driftVolumeListto receive the populated drift volume list

Definition at line 167 of file LArPandoraGeometry.cxx.

References f, geo::kPosX, geo::kU, geo::kV, geo::kW, geo::kY, max, geo::GeometryCore::MaxPlanes(), min, geo::GeometryCore::Ncryostats(), geo::GeometryCore::NTPC(), geo::TPCGeo::Plane(), geo::GeometryCore::TPC(), geo::PlaneGeo::View(), geo::GeometryCore::WireAngleToVertical(), and geo::GeometryCore::WirePitch().

168 {
169  // This method will group TPCs into "drift volumes" (these are regions of the detector that share a common drift direction,
170  // common range of x coordinates, and common detector parameters such as wire pitch and wire angle).
171  if (!driftVolumeList.empty())
172  throw cet::exception("LArPandora") << " LArPandoraGeometry::LoadGeometry --- detector geometry has already been loaded ";
173 
174  typedef std::set<unsigned int> UIntSet;
175 
176  // Pandora requires three independent images, and ability to correlate features between images (via wire angles and transformation plugin).
177  art::ServiceHandle<geo::Geometry> theGeometry;
178  const unsigned int nWirePlanes(theGeometry->MaxPlanes());
179 
180  if (nWirePlanes > 3)
181  throw cet::exception("LArPandora") << " LArPandoraGeometry::LoadGeometry --- More than three wire planes present ";
182 
183  // We here check the plane information only for the first tpc in the first cryostat.
184  if ((0 == theGeometry->Ncryostats()) || (0 == theGeometry->NTPC(0)))
185  throw cet::exception("LArPandora") << " LArPandoraGeometry::LoadGeometry --- unable to access first tpc in first cryostat ";
186 
187  std::unordered_set<geo::_plane_proj> planeSet;
188  for (unsigned int iPlane = 0; iPlane < nWirePlanes; ++iPlane)
189  (void) planeSet.insert(theGeometry->TPC(0, 0).Plane(iPlane).View());
190 
191  if ((nWirePlanes != planeSet.size()) || !planeSet.count(geo::kU) || !planeSet.count(geo::kV) || (planeSet.count(geo::kW) && planeSet.count(geo::kY)))
192  throw cet::exception("LArPandora") << " LArPandoraGeometry::LoadGeometry --- expect to find u and v views; if there is one further view, it must be w or y ";
193 
194  const bool useYPlane((nWirePlanes > 2) && planeSet.count(geo::kY));
195 
196  const float wirePitchU(theGeometry->WirePitch(geo::kU));
197  const float wirePitchV(theGeometry->WirePitch(geo::kV));
198  const float wirePitchW((nWirePlanes < 3) ? 0.5f * (wirePitchU + wirePitchV) : (useYPlane) ? theGeometry->WirePitch(geo::kY) :
199  theGeometry->WirePitch(geo::kW));
200 
201  const float maxDeltaTheta(0.01f); // leave this hard-coded for now
202 
203  // Loop over cryostats
204  for (unsigned int icstat = 0; icstat < theGeometry->Ncryostats(); ++icstat)
205  {
206  UIntSet cstatList;
207 
208  // Loop over TPCs in in this cryostat
209  for (unsigned int itpc1 = 0; itpc1 < theGeometry->NTPC(icstat); ++itpc1)
210  {
211  if (cstatList.end() != cstatList.find(itpc1))
212  continue;
213 
214  // Use this TPC to seed a drift volume
215  const geo::TPCGeo &theTpc1(theGeometry->TPC(itpc1, icstat));
216  cstatList.insert(itpc1);
217 
218  const float wireAngleU(0.5f * M_PI - theGeometry->WireAngleToVertical(geo::kU, itpc1, icstat));
219  const float wireAngleV(0.5f * M_PI - theGeometry->WireAngleToVertical(geo::kV, itpc1, icstat));
220  const float wireAngleW((nWirePlanes < 3) ? 0.f : (useYPlane) ? (0.5f * M_PI - theGeometry->WireAngleToVertical(geo::kY, itpc1, icstat)) :
221  (0.5f * M_PI - theGeometry->WireAngleToVertical(geo::kW, itpc1, icstat)));
222 
223  double localCoord1[3] = {0., 0., 0.};
224  double worldCoord1[3] = {0., 0., 0.};
225  theTpc1.LocalToWorld(localCoord1, worldCoord1);
226 
227  const double min1(worldCoord1[0] - 0.5 * theTpc1.ActiveHalfWidth());
228  const double max1(worldCoord1[0] + 0.5 * theTpc1.ActiveHalfWidth());
229 
230  float driftMinX(worldCoord1[0] - theTpc1.ActiveHalfWidth());
231  float driftMaxX(worldCoord1[0] + theTpc1.ActiveHalfWidth());
232  float driftMinY(worldCoord1[1] - theTpc1.ActiveHalfHeight());
233  float driftMaxY(worldCoord1[1] + theTpc1.ActiveHalfHeight());
234  float driftMinZ(worldCoord1[2] - 0.5f * theTpc1.ActiveLength());
235  float driftMaxZ(worldCoord1[2] + 0.5f * theTpc1.ActiveLength());
236 
237  const bool isPositiveDrift(theTpc1.DriftDirection() == geo::kPosX);
238 
239  UIntSet tpcList;
240  tpcList.insert(itpc1);
241 
242  // Now identify the other TPCs associated with this drift volume
243  for (unsigned int itpc2 = itpc1+1; itpc2 < theGeometry->NTPC(icstat); ++itpc2)
244  {
245  if (cstatList.end() != cstatList.find(itpc2))
246  continue;
247 
248  const geo::TPCGeo &theTpc2(theGeometry->TPC(itpc2, icstat));
249 
250  if (theTpc1.DriftDirection() != theTpc2.DriftDirection())
251  continue;
252 
253  const float dThetaU(theGeometry->WireAngleToVertical(geo::kU, itpc1, icstat) - theGeometry->WireAngleToVertical(geo::kU, itpc2, icstat));
254  const float dThetaV(theGeometry->WireAngleToVertical(geo::kV, itpc1, icstat) - theGeometry->WireAngleToVertical(geo::kV, itpc2, icstat));
255  const float dThetaW((nWirePlanes < 3) ? 0.f : (useYPlane) ? (theGeometry->WireAngleToVertical(geo::kY, itpc1, icstat) - theGeometry->WireAngleToVertical(geo::kY, itpc2, icstat)) :
256  (theGeometry->WireAngleToVertical(geo::kW, itpc1, icstat) - theGeometry->WireAngleToVertical(geo::kW, itpc2, icstat)));
257 
258  if (dThetaU > maxDeltaTheta || dThetaV > maxDeltaTheta || dThetaW > maxDeltaTheta)
259  continue;
260 
261  double localCoord2[3] = {0., 0., 0.};
262  double worldCoord2[3] = {0., 0., 0.};
263  theTpc2.LocalToWorld(localCoord2, worldCoord2);
264 
265  const double min2(worldCoord2[0] - 0.5 * theTpc2.ActiveHalfWidth());
266  const double max2(worldCoord2[0] + 0.5 * theTpc2.ActiveHalfWidth());
267 
268  if ((min2 > max1) || (min1 > max2))
269  continue;
270 
271  cstatList.insert(itpc2);
272  tpcList.insert(itpc2);
273 
274  driftMinX = std::min(driftMinX, static_cast<float>(worldCoord2[0] - theTpc2.ActiveHalfWidth()));
275  driftMaxX = std::max(driftMaxX, static_cast<float>(worldCoord2[0] + theTpc2.ActiveHalfWidth()));
276  driftMinY = std::min(driftMinY, static_cast<float>(worldCoord2[1] - theTpc2.ActiveHalfHeight()));
277  driftMaxY = std::max(driftMaxY, static_cast<float>(worldCoord2[1] + theTpc2.ActiveHalfHeight()));
278  driftMinZ = std::min(driftMinZ, static_cast<float>(worldCoord2[2] - 0.5f * theTpc2.ActiveLength()));
279  driftMaxZ = std::max(driftMaxZ, static_cast<float>(worldCoord2[2] + 0.5f * theTpc2.ActiveLength()));
280  }
281 
282  // Collate the tpc volumes in this drift volume
283  LArDaughterDriftVolumeList tpcVolumeList;
284 
285  for(const unsigned int itpc : tpcList)
286  {
287  tpcVolumeList.push_back(LArDaughterDriftVolume(icstat, itpc));
288  }
289 
290  // Create new daughter drift volume (volume ID = 0 to N-1)
291  driftVolumeList.push_back(LArDriftVolume(driftVolumeList.size(), isPositiveDrift,
292  wirePitchU, wirePitchV, wirePitchW, wireAngleU, wireAngleV, wireAngleW,
293  0.5f * (driftMaxX + driftMinX), 0.5f * (driftMaxY + driftMinY), 0.5f * (driftMaxZ + driftMinZ),
294  (driftMaxX - driftMinX), (driftMaxY - driftMinY), (driftMaxZ - driftMinZ),
295  (wirePitchU + wirePitchV + wirePitchW + 0.1f), tpcVolumeList));
296  }
297  }
298 
299  if (driftVolumeList.empty())
300  throw cet::exception("LArPandora") << " LArPandoraGeometry::LoadGeometry --- failed to find any drift volumes in this detector geometry ";
301 }
geo::kV
Planes which measure V.
Definition: geo_types.h:77
geo::TPCGeo
Geometry information for a single TPC.
Definition: TPCGeo.h:37
geo::GeometryCore::Ncryostats
unsigned int Ncryostats() const
Returns the number of cryostats in the detector.
Definition: GeometryCore.h:1957
geo::GeometryCore::WirePitch
geo::Length_t WirePitch(geo::PlaneID const &planeid) const
Returns the distance between two consecutive wires.
Definition: GeometryCore.cxx:751
geo::kY
Planes which measure Y direction.
Definition: geo_types.h:80
f
TFile f
Definition: plotHisto.C:6
geo::kU
Planes which measure U.
Definition: geo_types.h:76
geo::PlaneGeo::View
View_t View() const
Which coordinate does this plane measure.
Definition: PlaneGeo.h:171
max
Int_t max
Definition: plot.C:27
geo::GeometryCore::MaxPlanes
unsigned int MaxPlanes() const
Returns the largest number of planes among all TPCs in this detector.
Definition: GeometryCore.cxx:805
geo::GeometryCore::NTPC
unsigned int NTPC(unsigned int cstat=0) const
Returns the total number of TPCs in the specified cryostat.
Definition: GeometryCore.h:2266
lar_pandora::LArDaughterDriftVolumeList
std::vector< LArDaughterDriftVolume > LArDaughterDriftVolumeList
Definition: LArPandoraGeometry.h:107
geo::kPosX
Drift towards positive X values.
Definition: geo_types.h:108
min
Int_t min
Definition: plot.C:26
geo::GeometryCore::TPC
TPCGeo const & TPC(unsigned int const tpc=0, unsigned int const cstat=0) const
Returns the specified TPC.
Definition: GeometryCore.h:2386
geo::kW
Planes which measure W (third view for Bo, MicroBooNE, etc).
Definition: geo_types.h:78
geo::TPCGeo::Plane
PlaneGeo const & Plane(geo::View_t view) const
Return the plane in the tpc with View_t view.
Definition: TPCGeo.cxx:298
geo::GeometryCore::WireAngleToVertical
double WireAngleToVertical(geo::View_t view, geo::TPCID const &tpcid) const
Returns the angle of the wires in the specified view from vertical.
Definition: GeometryCore.cxx:770
fhicl::exception
cet::coded_exception< error, detail::translate > exception
Definition: exception.h:33
void lar_pandora::LArPandoraGeometry::LoadGlobalDaughterGeometry ( const LArDriftVolumeList &  driftVolumeList,
LArDriftVolumeList &  daughterVolumeList 
)
staticprivate

This method will create one or more daughter volumes (these share a common drift orientation along the X-axis, have parallel or near-parallel wire angles, and similar wire pitches)

Parameters
driftVolumeListto receive the input drift volume list
parentVolumeListto receive the output daughter drift volume list

Definition at line 305 of file LArPandoraGeometry.cxx.

References ShouldSwitchUV().

Referenced by LoadGeometry().

306 {
307  // This method will create one or more daughter volumes (these share a common drift orientation along the X-axis,
308  // have parallel or near-parallel wire angles, and similar wire pitches)
309  //
310  // ATTN: we assume that the U and V planes have equal and opposite wire orientations
311 
312  if (!daughterVolumeList.empty())
313  throw cet::exception("LArPandora") << " LArPandoraGeometry::LoadGlobalDaughterGeometry --- daughter geometry has already been loaded ";
314 
315  if (driftVolumeList.empty())
316  throw cet::exception("LArPandora") << " LArPandoraGeometry::LoadGlobalDaughterGeometry --- detector geometry has not yet been loaded ";
317 
318  // Create daughter drift volumes
319  for (const LArDriftVolume &driftVolume : driftVolumeList)
320  {
321  const bool switchViews(LArPandoraGeometry::ShouldSwitchUV(driftVolume.IsPositiveDrift()));
322  const float daughterWirePitchU(switchViews ? driftVolume.GetWirePitchV() : driftVolume.GetWirePitchU());
323  const float daughterWirePitchV(switchViews ? driftVolume.GetWirePitchU() : driftVolume.GetWirePitchV());
324  const float daughterWirePitchW(driftVolume.GetWirePitchW());
325  const float daughterWireAngleU(switchViews ? driftVolume.GetWireAngleV() : driftVolume.GetWireAngleU());
326  const float daughterWireAngleV(switchViews ? driftVolume.GetWireAngleU() : driftVolume.GetWireAngleV());
327  const float daughterWireAngleW(driftVolume.GetWireAngleW());
328 
329  daughterVolumeList.push_back(LArDriftVolume(driftVolume.GetVolumeID(), driftVolume.IsPositiveDrift(),
330  daughterWirePitchU, daughterWirePitchV, daughterWirePitchW, daughterWireAngleU, daughterWireAngleV, daughterWireAngleW,
331  driftVolume.GetCenterX(), driftVolume.GetCenterY() , driftVolume.GetCenterZ(),
332  driftVolume.GetWidthX(), driftVolume.GetWidthY(), driftVolume.GetWidthZ(),
333  driftVolume.GetSigmaUVZ(), driftVolume.GetTpcVolumeList()));
334  }
335 
336  if (daughterVolumeList.empty())
337  throw cet::exception("LArPandora") << " LArPandoraGeometry::LoadGlobalDaughterGeometry --- failed to create daughter geometry list ";
338 }
lar_pandora::LArPandoraGeometry::ShouldSwitchUV
static bool ShouldSwitchUV(const unsigned int cstat, const unsigned int tpc)
Return whether U/V should be switched in global coordinate system for this cryostat/tpc.
Definition: LArPandoraGeometry.cxx:147
fhicl::exception
cet::coded_exception< error, detail::translate > exception
Definition: exception.h:33
bool lar_pandora::LArPandoraGeometry::ShouldSwitchUV ( const unsigned int  cstat,
const unsigned int  tpc 
)
staticprivate

Return whether U/V should be switched in global coordinate system for this cryostat/tpc.

Parameters
cstatthe input cryostat
tpcthe input tpc

Definition at line 147 of file LArPandoraGeometry.cxx.

References geo::kPosX, and geo::GeometryCore::TPC().

Referenced by GetGlobalView(), and LoadGlobalDaughterGeometry().

148 {
149  // We determine whether U and V views should be switched by checking the drift direction
150  art::ServiceHandle<geo::Geometry> theGeometry;
151  const geo::TPCGeo &theTpc(theGeometry->TPC(tpc, cstat));
152 
153  const bool isPositiveDrift(theTpc.DriftDirection() == geo::kPosX);
154  return LArPandoraGeometry::ShouldSwitchUV(isPositiveDrift);
155 }
geo::TPCGeo
Geometry information for a single TPC.
Definition: TPCGeo.h:37
lar_pandora::LArPandoraGeometry::ShouldSwitchUV
static bool ShouldSwitchUV(const unsigned int cstat, const unsigned int tpc)
Return whether U/V should be switched in global coordinate system for this cryostat/tpc.
Definition: LArPandoraGeometry.cxx:147
geo::kPosX
Drift towards positive X values.
Definition: geo_types.h:108
geo::GeometryCore::TPC
TPCGeo const & TPC(unsigned int const tpc=0, unsigned int const cstat=0) const
Returns the specified TPC.
Definition: GeometryCore.h:2386
bool lar_pandora::LArPandoraGeometry::ShouldSwitchUV ( const bool  isPositiveDrift)
staticprivate

Return whether U/V should be switched in global coordinate system for this drift direction.

Parameters
isPositiveDriftthe drift direction

Definition at line 159 of file LArPandoraGeometry.cxx.

160 {
161  // We assume that all multiple drift volume detectors have the APA - CPA - APA - CPA design
162  return isPositiveDrift;
163 }
The documentation for this class was generated from the following files: