Belle II Software development
TransformData.cc
1/**************************************************************************
2 * basf2 (Belle II Analysis Software Framework) *
3 * Author: The Belle II Collaboration *
4 * *
5 * See git log for contributors and copyright holders. *
6 * This file is licensed under LGPL-3.0, see LICENSE.md. *
7 **************************************************************************/
8
9/* Own header. */
10#include <klm/eklm/geometry/TransformData.h>
11
12/* KLM headers. */
13#include <klm/dbobjects/eklm/EKLMAlignment.h>
14#include <klm/dbobjects/eklm/EKLMSegmentAlignment.h>
15#include <klm/eklm/geometry/AlignmentChecker.h>
16#include <klm/eklm/geometry/GeometryData.h>
17
18/* Basf2 headers. */
19#include <framework/database/DBObjPtr.h>
20#include <framework/logging/Logger.h>
21#include <framework/gearbox/Unit.h>
22
23using namespace Belle2;
24
25EKLM::TransformData::TransformData(bool global, Displacement displacementType)
26{
27 /* cppcheck-suppress variableScope */
28 int iSection, iLayer, iSector, iPlane, iSegment, iStrip, sector, segment;
29 int nSections, nLayers, nSectors, nPlanes, nStrips, nSegments, nStripsSegment;
30 int nDetectorLayers;
31 AlignmentChecker alignmentChecker(true);
32 m_ElementNumbers = &(EKLMElementNumbers::Instance());
33 m_GeoDat = &(GeometryData::Instance());
34 nSections = m_GeoDat->getNSections();
35 nSectors = m_GeoDat->getNSectors();
36 nLayers = m_GeoDat->getNLayers();
37 nPlanes = m_GeoDat->getNPlanes();
38 nStrips = m_GeoDat->getNStrips();
39 nSegments = m_GeoDat->getNSegments();
40 nStripsSegment = m_ElementNumbers->getNStripsSegment();
41 m_Section = new HepGeom::Transform3D[nSections];
42 m_Layer = new HepGeom::Transform3D*[nSections];
43 m_Sector = new HepGeom::Transform3D** [nSections];
44 m_Plane = new HepGeom::Transform3D** *[nSections];
45 m_PlaneDisplacement = new HepGeom::Transform3D** *[nSections];
46 m_Segment = new HepGeom::Transform3D**** [nSections];
47 m_Strip = new HepGeom::Transform3D**** [nSections];
48 m_StripInverse = new HepGeom::Transform3D**** [nSections];
49 for (iSection = 0; iSection < nSections; iSection++) {
50 m_GeoDat->getSectionTransform(&m_Section[iSection], iSection);
51 nDetectorLayers = m_GeoDat->getNDetectorLayers(iSection + 1);
52 m_Layer[iSection] = new HepGeom::Transform3D[nLayers];
53 m_Sector[iSection] = new HepGeom::Transform3D*[nLayers];
54 m_Plane[iSection] = new HepGeom::Transform3D** [nLayers];
55 m_PlaneDisplacement[iSection] = new HepGeom::Transform3D** [nLayers];
56 m_Segment[iSection] = new HepGeom::Transform3D** *[nLayers];
57 m_Strip[iSection] = new HepGeom::Transform3D** *[nLayers];
58 m_StripInverse[iSection] = new HepGeom::Transform3D** *[nLayers];
59 for (iLayer = 0; iLayer < nLayers; iLayer++) {
60 m_GeoDat->getLayerTransform(&m_Layer[iSection][iLayer], iLayer);
61 m_Sector[iSection][iLayer] = new HepGeom::Transform3D[nSectors];
62 if (iLayer < nDetectorLayers) {
63 m_Plane[iSection][iLayer] = new HepGeom::Transform3D*[nSectors];
64 m_PlaneDisplacement[iSection][iLayer] =
65 new HepGeom::Transform3D*[nSectors];
66 m_Segment[iSection][iLayer] = new HepGeom::Transform3D** [nSectors];
67 m_Strip[iSection][iLayer] = new HepGeom::Transform3D** [nSectors];
68 m_StripInverse[iSection][iLayer] = new HepGeom::Transform3D** [nSectors];
69 }
70 for (iSector = 0; iSector < nSectors; iSector++) {
71 m_GeoDat->getSectorTransform(&m_Sector[iSection][iLayer][iSector],
72 iSector);
73 if (iLayer >= nDetectorLayers)
74 continue;
75 m_Plane[iSection][iLayer][iSector] = new HepGeom::Transform3D[nPlanes];
76 m_PlaneDisplacement[iSection][iLayer][iSector] =
77 new HepGeom::Transform3D[nPlanes];
78 m_Segment[iSection][iLayer][iSector] =
79 new HepGeom::Transform3D*[nPlanes];
80 m_Strip[iSection][iLayer][iSector] = new HepGeom::Transform3D*[nPlanes];
81 m_StripInverse[iSection][iLayer][iSector] =
82 new HepGeom::Transform3D*[nPlanes];
83 for (iPlane = 0; iPlane < nPlanes; iPlane++) {
84 m_GeoDat->getPlaneTransform(
85 &m_Plane[iSection][iLayer][iSector][iPlane], iPlane);
86 m_PlaneDisplacement[iSection][iLayer][iSector][iPlane] =
87 HepGeom::Translate3D(0, 0, 0);
88 m_Segment[iSection][iLayer][iSector][iPlane] =
89 new HepGeom::Transform3D[nSegments];
90 for (iSegment = 0; iSegment < nSegments; iSegment++) {
91 m_Segment[iSection][iLayer][iSector][iPlane][iSegment] =
92 HepGeom::Translate3D(0, 0, 0);
93 }
94 m_Strip[iSection][iLayer][iSector][iPlane] =
95 new HepGeom::Transform3D[nStrips];
96 m_StripInverse[iSection][iLayer][iSector][iPlane] =
97 new HepGeom::Transform3D[nStrips];
98 for (iStrip = 0; iStrip < nStrips; iStrip++) {
99 m_GeoDat->getStripTransform(
100 &m_Strip[iSection][iLayer][iSector][iPlane][iStrip], iStrip);
101 }
102 }
103 }
104 }
105 }
106 /* Read alignment data from the database and modify transformations. */
107 if (displacementType != c_None) {
108 std::string payload, segmentPayload;
109 if (displacementType == c_Displacement) {
110 payload = "EKLMDisplacement";
111 segmentPayload = "EKLMSegmentDisplacement";
112 } else {
113 payload = "EKLMAlignment";
114 segmentPayload = "EKLMSegmentAlignment";
115 }
116 DBObjPtr<EKLMAlignment> alignment(payload);
117 DBObjPtr<EKLMSegmentAlignment> segmentAlignment(segmentPayload);
118 if (!alignment.isValid())
119 B2FATAL("No EKLM displacement (alignment) data.");
120 if (displacementType == c_Displacement) {
121 if (!alignmentChecker.checkAlignment(&(*alignment), &(*segmentAlignment)))
122 B2FATAL("EKLM displacement data are incorrect, overlaps exist.");
123 }
124 for (iSection = 1; iSection <= nSections; iSection++) {
125 nDetectorLayers = m_GeoDat->getNDetectorLayers(iSection);
126 for (iLayer = 1; iLayer <= nDetectorLayers; iLayer++) {
127 for (iSector = 1; iSector <= nSectors; iSector++) {
128 sector = m_ElementNumbers->sectorNumber(iSection, iLayer, iSector);
129 const KLMAlignmentData* sectorAlignment =
130 alignment->getModuleAlignment(sector);
131 if (sectorAlignment == nullptr)
132 B2FATAL("Incomplete EKLM displacement (alignment) data.");
133 for (iPlane = 1; iPlane <= nPlanes; iPlane++) {
134 /* First plane is rotated. */
135 if (iPlane == 1) {
136 if (m_PlaneDisplacement[iSection - 1] &&
137 m_PlaneDisplacement[iSection - 1][iLayer - 1] &&
138 m_PlaneDisplacement[iSection - 1][iLayer - 1][iSector - 1]) {
139 m_PlaneDisplacement[iSection - 1][iLayer - 1][iSector - 1][iPlane - 1] =
140 HepGeom::Translate3D(
141 sectorAlignment->getDeltaV() * CLHEP::cm / Unit::cm,
142 sectorAlignment->getDeltaU() * CLHEP::cm / Unit::cm, 0) *
143 HepGeom::RotateZ3D(-sectorAlignment->getDeltaGamma() *
144 CLHEP::rad / Unit::rad);
145 } else {
146 //NOTE: this check is only to suppress clang warnings
147 B2FATAL("Missing m_PlaneDisplacement allocation for section/layer/sector in TransformData.cc");
148 }
149 } else {
150 m_PlaneDisplacement[iSection - 1][iLayer - 1][iSector - 1][iPlane - 1] =
151 HepGeom::Translate3D(
152 sectorAlignment->getDeltaU() * CLHEP::cm / Unit::cm,
153 sectorAlignment->getDeltaV() * CLHEP::cm / Unit::cm, 0) *
154 HepGeom::RotateZ3D(sectorAlignment->getDeltaGamma() *
155 CLHEP::rad / Unit::rad);
156 }
157 for (iSegment = 1; iSegment <= nSegments; iSegment++) {
158 segment = m_ElementNumbers->segmentNumber(
159 iSection, iLayer, iSector, iPlane, iSegment);
160 const KLMAlignmentData* segmentAlignmentData =
161 segmentAlignment->getSegmentAlignment(segment);
162 if (segmentAlignmentData == nullptr)
163 B2FATAL("Incomplete EKLM displacement (alignment) data.");
164 m_Segment[iSection - 1][iLayer - 1][iSector - 1][iPlane - 1]
165 [iSegment - 1] =
166 HepGeom::Translate3D(
167 segmentAlignmentData->getDeltaU() * CLHEP::cm / Unit::cm,
168 segmentAlignmentData->getDeltaV() * CLHEP::cm / Unit::cm, 0) *
169 m_Segment[iSection - 1][iLayer - 1][iSector - 1][iPlane - 1]
170 [iSegment - 1] *
171 HepGeom::RotateZ3D(segmentAlignmentData->getDeltaGamma() *
172 CLHEP::rad / Unit::rad);
173 for (iStrip = 1; iStrip <= nStripsSegment; iStrip++) {
174 m_Strip[iSection - 1][iLayer - 1][iSector - 1][iPlane - 1]
175 [nStripsSegment * (iSegment - 1) + iStrip - 1] =
176 HepGeom::Translate3D(
177 segmentAlignmentData->getDeltaU() * CLHEP::cm / Unit::cm,
178 segmentAlignmentData->getDeltaV() * CLHEP::cm / Unit::cm,
179 0) *
180 m_Strip[iSection - 1][iLayer - 1][iSector - 1][iPlane - 1]
181 [nStripsSegment * (iSegment - 1) + iStrip - 1] *
182 HepGeom::RotateZ3D(segmentAlignmentData->getDeltaGamma() *
183 CLHEP::rad / Unit::rad);
184 }
185 }
186 }
187 }
188 }
189 }
190 }
191 if (global)
192 transformsToGlobal();
193}
194
195EKLM::TransformData::~TransformData()
196{
197 int iSection, iLayer, iSector, iPlane;
198 /* cppcheck-suppress variableScope */
199 int nSections, nLayers, nDetectorLayers, nSectors, nPlanes;
200 nSections = m_GeoDat->getNSections();
201 nLayers = m_GeoDat->getNLayers();
202 nSectors = m_GeoDat->getNSectors();
203 nPlanes = m_GeoDat->getNPlanes();
204 for (iSection = 0; iSection < nSections; iSection++) {
205 nDetectorLayers = m_GeoDat->getNDetectorLayers(iSection + 1);
206 for (iLayer = 0; iLayer < nLayers; iLayer++) {
207 delete[] m_Sector[iSection][iLayer];
208 if (iLayer >= nDetectorLayers)
209 continue;
210 for (iSector = 0; iSector < nSectors; iSector++) {
211 for (iPlane = 0; iPlane < nPlanes; iPlane++) {
212 delete[] m_Segment[iSection][iLayer][iSector][iPlane];
213 delete[] m_Strip[iSection][iLayer][iSector][iPlane];
214 delete[] m_StripInverse[iSection][iLayer][iSector][iPlane];
215 }
216 delete[] m_Plane[iSection][iLayer][iSector];
217 delete[] m_PlaneDisplacement[iSection][iLayer][iSector];
218 delete[] m_Segment[iSection][iLayer][iSector];
219 delete[] m_Strip[iSection][iLayer][iSector];
220 delete[] m_StripInverse[iSection][iLayer][iSector];
221 }
222 delete[] m_Plane[iSection][iLayer];
223 delete[] m_PlaneDisplacement[iSection][iLayer];
224 delete[] m_Segment[iSection][iLayer];
225 delete[] m_Strip[iSection][iLayer];
226 delete[] m_StripInverse[iSection][iLayer];
227 }
228 delete[] m_Layer[iSection];
229 delete[] m_Sector[iSection];
230 delete[] m_PlaneDisplacement[iSection];
231 delete[] m_Plane[iSection];
232 delete[] m_Segment[iSection];
233 delete[] m_Strip[iSection];
234 delete[] m_StripInverse[iSection];
235 }
236 delete[] m_Section;
237 delete[] m_Layer;
238 delete[] m_Sector;
239 delete[] m_PlaneDisplacement;
240 delete[] m_Plane;
241 delete[] m_Segment;
242 delete[] m_Strip;
243 delete[] m_StripInverse;
244}
245
246void EKLM::TransformData::transformsToGlobal()
247{
248 int iSection, iLayer, iSector, iPlane, iSegment, iStrip;
249 /* cppcheck-suppress variableScope */
250 int nSections, nLayers, nDetectorLayers, nSectors, nPlanes, nSegments, nStrips;
251 nSections = m_GeoDat->getNSections();
252 nLayers = m_GeoDat->getNLayers();
253 nSectors = m_GeoDat->getNSectors();
254 nPlanes = m_GeoDat->getNPlanes();
255 nSegments = m_GeoDat->getNSegments();
256 nStrips = m_GeoDat->getNStrips();
257 for (iSection = 0; iSection < nSections; iSection++) {
258 nDetectorLayers = m_GeoDat->getNDetectorLayers(iSection + 1);
259 for (iLayer = 0; iLayer < nLayers; iLayer++) {
260 m_Layer[iSection][iLayer] = m_Section[iSection] * m_Layer[iSection][iLayer];
261 for (iSector = 0; iSector < nSectors; iSector++) {
262 m_Sector[iSection][iLayer][iSector] =
263 m_Layer[iSection][iLayer] * m_Sector[iSection][iLayer][iSector];
264 if (iLayer >= nDetectorLayers)
265 continue;
266 for (iPlane = 0; iPlane < nPlanes; iPlane++) {
267 if (m_Plane[iSection] &&
268 m_Plane[iSection][iLayer] &&
269 m_Plane[iSection][iLayer][iSector]) {
270 m_Plane[iSection][iLayer][iSector][iPlane] =
271 m_Sector[iSection][iLayer][iSector] *
272 m_Plane[iSection][iLayer][iSector][iPlane];
273 } else {
274 //NOTE: this check is only to suppress clang warnings
275 B2FATAL("Missing m_Plane allocation for section/layer/sector");
276 }
277 for (iSegment = 0; iSegment < nSegments; iSegment++) {
278 m_Segment[iSection][iLayer][iSector][iPlane][iSegment] =
279 m_Plane[iSection][iLayer][iSector][iPlane] *
280 m_PlaneDisplacement[iSection][iLayer][iSector][iPlane] *
281 m_Segment[iSection][iLayer][iSector][iPlane][iSegment];
282 }
283 for (iStrip = 0; iStrip < nStrips; iStrip++) {
284 m_Strip[iSection][iLayer][iSector][iPlane][iStrip] =
285 m_Plane[iSection][iLayer][iSector][iPlane] *
286 m_PlaneDisplacement[iSection][iLayer][iSector][iPlane] *
287 m_Strip[iSection][iLayer][iSector][iPlane][iStrip];
288 m_StripInverse[iSection][iLayer][iSector][iPlane][iStrip] =
289 m_Strip[iSection][iLayer][iSector][iPlane][iStrip].inverse();
290 }
291 }
292 }
293 }
294 }
295}
296
297const HepGeom::Transform3D*
298EKLM::TransformData::getSectionTransform(int section) const
299{
300 return &m_Section[section - 1];
301}
302
303const HepGeom::Transform3D*
304EKLM::TransformData::getLayerTransform(int section, int layer) const
305{
306 return &m_Layer[section - 1][layer - 1];
307}
308
309const HepGeom::Transform3D* EKLM::TransformData::
310getSectorTransform(int section, int layer, int sector) const
311{
312 return &m_Sector[section - 1][layer - 1][sector - 1];
313}
314
315const HepGeom::Transform3D* EKLM::TransformData::
316getPlaneTransform(int section, int layer, int sector, int plane) const
317{
318 return &m_Plane[section - 1][layer - 1][sector - 1][plane - 1];
319}
320
321const HepGeom::Transform3D* EKLM::TransformData::
322getPlaneDisplacement(int section, int layer, int sector, int plane) const
323{
324 return &m_PlaneDisplacement[section - 1][layer - 1][sector - 1][plane - 1];
325}
326
327const HepGeom::Transform3D* EKLM::TransformData::
328getSegmentTransform(int section, int layer, int sector, int plane,
329 int segment) const
330{
331 return &m_Segment[section - 1][layer - 1][sector - 1][plane - 1][segment - 1];
332}
333
334const HepGeom::Transform3D* EKLM::TransformData::
335getStripTransform(int section, int layer, int sector, int plane, int strip) const
336{
337 return &m_Strip[section - 1][layer - 1][sector - 1][plane - 1][strip - 1];
338}
339
340const HepGeom::Transform3D*
341EKLM::TransformData::getStripLocalToGlobal(KLMDigit* hit) const
342{
343 return &(m_Strip[hit->getSection() - 1][hit->getLayer() - 1]
344 [hit->getSector() - 1][hit->getPlane() - 1][hit->getStrip() - 1]);
345}
346
347const HepGeom::Transform3D*
348EKLM::TransformData::getStripGlobalToLocal(KLMDigit* hit) const
349{
350 return &(m_StripInverse[hit->getSection() - 1][hit->getLayer() - 1]
351 [hit->getSector() - 1][hit->getPlane() - 1][hit->getStrip() - 1]);
352}
353
354const HepGeom::Transform3D*
355EKLM::TransformData::getStripGlobalToLocal(int section, int layer, int sector,
356 int plane, int strip) const
357{
358 return &(m_StripInverse[section - 1][layer - 1][sector - 1][plane - 1]
359 [strip - 1]);
360}
361
362bool EKLM::TransformData::intersection(KLMDigit* hit1, KLMDigit* hit2,
363 HepGeom::Point3D<double>* cross,
364 double* d1, double* d2, double* sd,
365 bool segments) const
366{
367 /* Hits must be from the same sector, */
368 if (hit1->getSection() != hit2->getSection())
369 return false;
370 if (hit1->getLayer() != hit2->getLayer())
371 return false;
372 if (hit1->getSector() != hit2->getSector())
373 return false;
374 /* but different planes. */
375 if (hit1->getPlane() == hit2->getPlane())
376 return false;
377 /* Coordinates of strip 1 ends. */
378 double l1 = m_GeoDat->getStripLength(hit1->getStrip());
379 HepGeom::Point3D<double> s1_1(-0.5 * l1, 0.0, 0.0);
380 HepGeom::Point3D<double> s1_2(0.5 * l1, 0.0, 0.0);
381 const HepGeom::Transform3D* tr1 = getStripLocalToGlobal(hit1);
382 HepGeom::Point3D<double> s1_1g = (*tr1) * s1_1;
383 HepGeom::Point3D<double> s1_2g = (*tr1) * s1_2;
384 /* Coordinates of strip 2 ends. */
385 double l2 = m_GeoDat->getStripLength(hit2->getStrip());
386 HepGeom::Point3D<double> s2_1(-0.5 * l2, 0.0, 0.0);
387 HepGeom::Point3D<double> s2_2(0.5 * l2, 0.0, 0.0);
388 const HepGeom::Transform3D* tr2 = getStripLocalToGlobal(hit2);
389 HepGeom::Point3D<double> s2_1g = (*tr2) * s2_1;
390 HepGeom::Point3D<double> s2_2g = (*tr2) * s2_2;
400 HepGeom::Vector3D<double> v1 = s1_2g - s1_1g;
401 HepGeom::Vector3D<double> v2 = s2_2g - s2_1g;
402 HepGeom::Vector3D<double> d = s1_1g - s2_1g;
403 double v1sq = v1.mag2();
404 double v2sq = v2.mag2();
405 double v1dv2 = v1.dot(v2);
406 double ddv1 = d.dot(v1);
407 double ddv2 = d.dot(v2);
408 double den = v1sq * v2sq - v1dv2 * v1dv2;
409 double t1 = (v1dv2 * ddv2 - v2sq * ddv1) / den;
410 double t2 = (- v1dv2 * ddv1 + v1sq * ddv2) / den;
411 /* Segments do not intersect. */
412 if (segments) {
413 if (t1 < 0.0 || t1 > 1.0)
414 return false;
415 if (t2 < 0.0 || t2 > 1.0)
416 return false;
417 }
418 /* Segments intersect, set return values. */
419 HepGeom::Point3D<double> s1_cg = s1_1g + v1 * t1;
420 HepGeom::Point3D<double> s2_cg = s2_1g + v2 * t2;
421 *d1 = s1_2g.distance(s1_cg) / CLHEP::mm * Unit::mm;
422 *d2 = s2_2g.distance(s2_cg) / CLHEP::mm * Unit::mm;
423 *cross = 0.5 * (s1_cg + s2_cg) / CLHEP::mm * Unit::mm;
424 *sd = s1_cg.distance(s2_cg) / CLHEP::mm * Unit::mm;
425 if (s2_cg.mag2() < s1_cg.mag2())
426 *sd = - *sd;
427 return true;
428}
429
430int EKLM::TransformData::getSectorByPosition(
431 int section, const HepGeom::Point3D<double>& position) const
432{
433 int sector;
434 double x;
435 if (section == 1) {
436 x = position.x();
437 } else {
438 x = -position.x();
439 }
440 if (position.y() > 0) {
441 if (x > 0)
442 sector = 1;
443 else
444 sector = 2;
445 } else {
446 if (x > 0)
447 sector = 4;
448 else
449 sector = 3;
450 }
451 return sector;
452}
453
454int EKLM::TransformData::getStripsByIntersection(
455 const HepGeom::Point3D<double>& intersection, int* strip1, int* strip2) const
456{
457 /* cppcheck-suppress variableScope */
458 int section, layer, sector, plane, segment, strip, stripSegment, stripGlobal;
459 /* cppcheck-suppress variableScope */
460 int nLayers, nPlanes, nSegments, nStripsSegment, minDistanceSegment;
461 double solenoidCenter, firstLayerCenter, layerShift;
462 /* cppcheck-suppress variableScope */
463 double x, y, z, l, minY, maxY;
464 double minDistance = 0, minDistanceNew, stripWidth;
465 HepGeom::Point3D<double> intersectionClhep, intersectionLocal;
466 intersectionClhep = intersection * CLHEP::cm / Unit::cm;
467 solenoidCenter = m_GeoDat->getSolenoidZ() / CLHEP::cm * Unit::cm;
468 if (intersection.z() < solenoidCenter)
469 section = 1;
470 else
471 section = 2;
472 firstLayerCenter =
473 (m_GeoDat->getSectionPosition()->getZ()
474 - 0.5 * m_GeoDat->getSectionPosition()->getLength()
475 + m_GeoDat->getLayerShiftZ()
476 - 0.5 * m_GeoDat->getLayerPosition()->getLength()) /
477 CLHEP::cm * Unit::cm;
478 layerShift = m_GeoDat->getLayerShiftZ() / CLHEP::cm * Unit::cm;
479 z = fabs(intersection.z() - solenoidCenter);
480 layer = round((z - firstLayerCenter) / layerShift) + 1;
481 if (layer <= 0)
482 layer = 1;
483 nLayers = m_GeoDat->getNDetectorLayers(section);
484 if (layer > nLayers)
485 layer = nLayers;
486 sector = getSectorByPosition(section, intersection);
487 nPlanes = m_GeoDat->getNPlanes();
488 nSegments = m_GeoDat->getNSegments();
489 nStripsSegment = m_ElementNumbers->getNStripsSegment();
490 stripWidth = m_GeoDat->getStripGeometry()->getWidth() / CLHEP::cm * Unit::cm;
491 minY = -stripWidth / 2;
492 maxY = (double(nStripsSegment) - 0.5) * stripWidth;
493 for (plane = 1; plane <= nPlanes; plane++) {
494 minDistanceSegment = 1;
495 for (segment = 1; segment <= nSegments; segment++) {
496 strip = (segment - 1) * nStripsSegment;
497 intersectionLocal = m_StripInverse[section - 1][layer - 1]
498 [sector - 1][plane - 1][strip] * intersectionClhep;
499 y = intersectionLocal.y() / CLHEP::cm * Unit::cm;
500 if (y < minY) {
501 minDistanceNew = minY - y;
502 } else if (y > maxY) {
503 minDistanceNew = y - maxY;
504 } else {
505 minDistance = 0;
506 minDistanceSegment = segment;
507 break;
508 }
509 if (segment == 1) {
510 minDistance = minDistanceNew;
511 } else if (minDistanceNew < minDistance) {
512 minDistance = minDistanceNew;
513 minDistanceSegment = segment;
514 }
515 }
516 /*
517 * The intersection is required to be strictly within a segment,
518 * this condition might be adjusted later.
519 */
520 if (minDistance > 0)
521 return -1;
522 strip = (minDistanceSegment - 1) * nStripsSegment;
523 intersectionLocal = m_StripInverse[section - 1][layer - 1]
524 [sector - 1][plane - 1][strip] * intersectionClhep;
525 y = intersectionLocal.y() / CLHEP::cm * Unit::cm;
526 stripSegment = ceil((y - 0.5 * stripWidth) / stripWidth);
527 if (stripSegment <= 0)
528 stripSegment = 1;
529 else if (stripSegment > nStripsSegment)
530 stripSegment = nStripsSegment;
531 strip = stripSegment + (minDistanceSegment - 1) * nStripsSegment;
532 intersectionLocal = m_StripInverse[section - 1][layer - 1]
533 [sector - 1][plane - 1][strip - 1] * intersectionClhep;
534 x = intersectionLocal.x();
535 l = m_GeoDat->getStripLength(strip);
536 /*
537 * The intersection is required to be strictly within the strip length,
538 * this condition might be adjusted later.
539 */
540 if (fabs(x) > 0.5 * l)
541 return -1;
542 stripGlobal = m_ElementNumbers->stripNumber(
543 section, layer, sector, plane, strip);
544 if (plane == 1)
545 *strip1 = stripGlobal;
546 else
547 *strip2 = stripGlobal;
548 }
549 return 0;
550}
Belle2::DBObjPtr
Class for accessing objects in the database.
Definition DBObjPtr.h:21
Belle2::EKLMElementNumbers::Instance
static const EKLMElementNumbers & Instance()
Instantiation.
Definition EKLMElementNumbers.cc:18
Belle2::EKLM::AlignmentChecker
Class for EKLM alignment checking.
Definition AlignmentChecker.h:36
Belle2::EKLM::AlignmentChecker::checkAlignment
bool checkAlignment(const EKLMAlignment *alignment, const EKLMSegmentAlignment *segmentAlignment) const
Check alignment.
Definition AlignmentChecker.cc:308
Belle2::EKLM::GeometryData::Instance
static const GeometryData & Instance(enum DataSource dataSource=c_Database, const GearDir *gearDir=nullptr)
Instantiation.
Definition GeometryData.cc:33
Belle2::EKLM::TransformData::getStripTransform
const HepGeom::Transform3D * getStripTransform(int section, int layer, int sector, int plane, int strip) const
Get strip transformation.
Definition TransformData.cc:335
Belle2::EKLM::TransformData::Displacement
Displacement
Source of displacement (alignment) data.
Definition TransformData.h:42
Belle2::EKLM::TransformData::c_None
@ c_None
Displacement is not used.
Definition TransformData.h:43
Belle2::EKLM::TransformData::c_Displacement
@ c_Displacement
Use displacement data (for geometry).
Definition TransformData.h:44
Belle2::EKLM::TransformData::TransformData
TransformData(bool global, Displacement displacementType)
Constructor.
Definition TransformData.cc:25
Belle2::EKLM::TransformData::m_Section
HepGeom::Transform3D * m_Section
Section transformations.
Definition TransformData.h:217
Belle2::EKLM::TransformData::getPlaneDisplacement
const HepGeom::Transform3D * getPlaneDisplacement(int section, int layer, int sector, int plane) const
Get additional displacement for plane internal volumes.
Definition TransformData.cc:322
Belle2::EKLM::TransformData::m_Strip
HepGeom::Transform3D ***** m_Strip
Strip transformations.
Definition TransformData.h:235
Belle2::EKLM::TransformData::getPlaneTransform
const HepGeom::Transform3D * getPlaneTransform(int section, int layer, int sector, int plane) const
Get plane transformation.
Definition TransformData.cc:316
Belle2::EKLM::TransformData::m_Layer
HepGeom::Transform3D ** m_Layer
Layer transformations.
Definition TransformData.h:220
Belle2::EKLM::TransformData::m_Sector
HepGeom::Transform3D *** m_Sector
Sector transformations.
Definition TransformData.h:223
Belle2::EKLM::TransformData::transformsToGlobal
void transformsToGlobal()
Make transformations global from local.
Definition TransformData.cc:246
Belle2::EKLM::TransformData::getSegmentTransform
const HepGeom::Transform3D * getSegmentTransform(int section, int layer, int sector, int plane, int segment) const
Get segment transformation.
Definition TransformData.cc:328
Belle2::EKLM::TransformData::getStripsByIntersection
int getStripsByIntersection(const HepGeom::Point3D< double > &intersection, int *strip1, int *strip2) const
Find strips by intersection.
Definition TransformData.cc:454
Belle2::EKLM::TransformData::getLayerTransform
const HepGeom::Transform3D * getLayerTransform(int section, int layer) const
Get layer transformation.
Definition TransformData.cc:304
Belle2::EKLM::TransformData::m_Plane
HepGeom::Transform3D **** m_Plane
Plane transformations.
Definition TransformData.h:226
Belle2::EKLM::TransformData::m_StripInverse
HepGeom::Transform3D ***** m_StripInverse
Inverse strip transformations.
Definition TransformData.h:238
Belle2::EKLM::TransformData::getSectorByPosition
int getSectorByPosition(int section, const HepGeom::Point3D< double > &position) const
Get sector by position.
Definition TransformData.cc:430
Belle2::EKLM::TransformData::m_ElementNumbers
const EKLMElementNumbers * m_ElementNumbers
Element numbers.
Definition TransformData.h:211
Belle2::EKLM::TransformData::getStripLocalToGlobal
const HepGeom::Transform3D * getStripLocalToGlobal(KLMDigit *hit) const
Get strip local to global transformation by hit.
Definition TransformData.cc:341
Belle2::EKLM::TransformData::getStripGlobalToLocal
const HepGeom::Transform3D * getStripGlobalToLocal(KLMDigit *hit) const
Get strip global to local transformation by hit.
Definition TransformData.cc:348
Belle2::EKLM::TransformData::getSectorTransform
const HepGeom::Transform3D * getSectorTransform(int section, int layer, int sector) const
Get sector transformation.
Definition TransformData.cc:310
Belle2::EKLM::TransformData::m_PlaneDisplacement
HepGeom::Transform3D **** m_PlaneDisplacement
Plane internal volumes displacements.
Definition TransformData.h:229
Belle2::EKLM::TransformData::m_Segment
HepGeom::Transform3D ***** m_Segment
Segment transformations.
Definition TransformData.h:232
Belle2::EKLM::TransformData::m_GeoDat
const GeometryData * m_GeoDat
Geometry data.
Definition TransformData.h:214
Belle2::EKLM::TransformData::intersection
bool intersection(KLMDigit *hit1, KLMDigit *hit2, HepGeom::Point3D< double > *cross, double *d1, double *d2, double *sd, bool segments=true) const
Check if strips intersect, and find intersection point if yes.
Definition TransformData.cc:362
Belle2::EKLM::TransformData::getSectionTransform
const HepGeom::Transform3D * getSectionTransform(int section) const
Get section transformation.
Definition TransformData.cc:298
Belle2::KLMAlignmentData
KLM Alignment data.
Definition KLMAlignmentData.h:23
Belle2::KLMAlignmentData::getDeltaU
float getDeltaU() const
Get shift in U.
Definition KLMAlignmentData.h:77
Belle2::KLMAlignmentData::getDeltaV
float getDeltaV() const
Get shift in V.
Definition KLMAlignmentData.h:94
Belle2::KLMAlignmentData::getDeltaGamma
float getDeltaGamma() const
Get rotation in alpha.
Definition KLMAlignmentData.h:162
Belle2::KLMDigit
KLM digit (class representing a digitized hit in RPCs or scintillators).
Definition KLMDigit.h:29
Belle2::KLMDigit::getLayer
int getLayer() const
Get layer number.
Definition KLMDigit.h:126
Belle2::KLMDigit::getSection
int getSection() const
Get section number.
Definition KLMDigit.h:90
Belle2::KLMDigit::getPlane
int getPlane() const
Get plane number.
Definition KLMDigit.h:144
Belle2::KLMDigit::getStrip
int getStrip() const
Get strip number.
Definition KLMDigit.h:162
Belle2::KLMDigit::getSector
int getSector() const
Get sector number.
Definition KLMDigit.h:108
Belle2::Unit::mm
static const double mm
[millimeters]
Definition Unit.h:70
Belle2::Unit::rad
static const double rad
Standard of [angle].
Definition Unit.h:50
Belle2::Unit::cm
static const double cm
Standard units with the value = 1.
Definition Unit.h:47
Belle2
Abstract base class for different kinds of events.
Definition MillepedeAlgorithm.h:17