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Reference Guide
TGeoPcon.cxx
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1// @(#)root/geom:$Id$
2// Author: Andrei Gheata 24/10/01
3// TGeoPcon::Contains() implemented by Mihaela Gheata
4
5/*************************************************************************
6 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
7 * All rights reserved. *
8 * *
9 * For the licensing terms see $ROOTSYS/LICENSE. *
10 * For the list of contributors see $ROOTSYS/README/CREDITS. *
11 *************************************************************************/
12
13/** \class TGeoPcon
14\ingroup Geometry_classes
15A polycone.
16
17It has at least 9 parameters:
18 - the lower phi limit;
19 - the range in phi;
20 - the number of z planes (at least two) where the inner/outer
21 radii are changing;
22 - z coordinate, inner and outer radius for each z plane
23
24Begin_Macro(source)
25{
26 TCanvas *c = new TCanvas("c", "c",0,0,600,600);
27 new TGeoManager("pcon", "poza10");
28 TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
29 TGeoMedium *med = new TGeoMedium("MED",1,mat);
30 TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
31 gGeoManager->SetTopVolume(top);
32 TGeoVolume *vol = gGeoManager->MakePcon("PCON",med, -30.0,300,4);
33 TGeoPcon *pcon = (TGeoPcon*)(vol->GetShape());
34 pcon->DefineSection(0,0,15,20);
35 pcon->DefineSection(1,20,15,20);
36 pcon->DefineSection(2,20,15,25);
37 pcon->DefineSection(3,50,15,20);
38 vol->SetLineWidth(2);
39 top->AddNode(vol,1);
40 gGeoManager->CloseGeometry();
41 gGeoManager->SetNsegments(30);
42 top->Draw();
43 TView *view = gPad->GetView();
44 view->ShowAxis();
45}
46End_Macro
47*/
48
49#include "TGeoPcon.h"
50
51#include "Riostream.h"
52#include "TBuffer.h"
53#include "TGeoManager.h"
54#include "TGeoVolume.h"
55#include "TVirtualGeoPainter.h"
56#include "TGeoTube.h"
57#include "TGeoCone.h"
58#include "TVirtualPad.h"
59#include "TBuffer3D.h"
60#include "TBuffer3DTypes.h"
61#include "TMath.h"
62
63ClassImp(TGeoPcon);
64
65////////////////////////////////////////////////////////////////////////////////
66/// dummy ctor
67
68TGeoPcon::TGeoPcon()
69 :TGeoBBox(),
70 fNz(0),
71 fPhi1(0.),
72 fDphi(0.),
73 fRmin(NULL),
74 fRmax(NULL),
75 fZ(NULL),
76 fFullPhi(kFALSE),
77 fC1(0.),
78 fS1(0.),
79 fC2(0.),
80 fS2(0.),
81 fCm(0.),
82 fSm(0.),
83 fCdphi(0.)
84{
85 SetShapeBit(TGeoShape::kGeoPcon);
86}
87
88////////////////////////////////////////////////////////////////////////////////
89/// Default constructor
90
91TGeoPcon::TGeoPcon(Double_t phi, Double_t dphi, Int_t nz)
92 :TGeoBBox(0, 0, 0),
93 fNz(nz),
94 fPhi1(phi),
95 fDphi(dphi),
96 fRmin(NULL),
97 fRmax(NULL),
98 fZ(NULL),
99 fFullPhi(kFALSE),
100 fC1(0.),
101 fS1(0.),
102 fC2(0.),
103 fS2(0.),
104 fCm(0.),
105 fSm(0.),
106 fCdphi(0.)
107{
108 SetShapeBit(TGeoShape::kGeoPcon);
109 while (fPhi1<0) fPhi1+=360.;
110 fRmin = new Double_t [nz];
111 fRmax = new Double_t [nz];
112 fZ = new Double_t [nz];
113 memset(fRmin, 0, nz*sizeof(Double_t));
114 memset(fRmax, 0, nz*sizeof(Double_t));
115 memset(fZ, 0, nz*sizeof(Double_t));
116 if (TGeoShape::IsSameWithinTolerance(fDphi,360)) fFullPhi = kTRUE;
117 Double_t phi1 = fPhi1;
118 Double_t phi2 = phi1+fDphi;
119 Double_t phim = 0.5*(phi1+phi2);
120 fC1 = TMath::Cos(phi1*TMath::DegToRad());
121 fS1 = TMath::Sin(phi1*TMath::DegToRad());
122 fC2 = TMath::Cos(phi2*TMath::DegToRad());
123 fS2 = TMath::Sin(phi2*TMath::DegToRad());
124 fCm = TMath::Cos(phim*TMath::DegToRad());
125 fSm = TMath::Sin(phim*TMath::DegToRad());
126 fCdphi = TMath::Cos(0.5*fDphi*TMath::DegToRad());
127}
128
129////////////////////////////////////////////////////////////////////////////////
130/// Default constructor
131
132TGeoPcon::TGeoPcon(const char *name, Double_t phi, Double_t dphi, Int_t nz)
133 :TGeoBBox(name, 0, 0, 0),
134 fNz(nz),
135 fPhi1(phi),
136 fDphi(dphi),
137 fRmin(NULL),
138 fRmax(NULL),
139 fZ(NULL),
140 fFullPhi(kFALSE),
141 fC1(0.),
142 fS1(0.),
143 fC2(0.),
144 fS2(0.),
145 fCm(0.),
146 fSm(0.),
147 fCdphi(0.)
148{
149 SetShapeBit(TGeoShape::kGeoPcon);
150 while (fPhi1<0) fPhi1+=360.;
151 fRmin = new Double_t [nz];
152 fRmax = new Double_t [nz];
153 fZ = new Double_t [nz];
154 memset(fRmin, 0, nz*sizeof(Double_t));
155 memset(fRmax, 0, nz*sizeof(Double_t));
156 memset(fZ, 0, nz*sizeof(Double_t));
157 if (TGeoShape::IsSameWithinTolerance(fDphi,360)) fFullPhi = kTRUE;
158 Double_t phi1 = fPhi1;
159 Double_t phi2 = phi1+fDphi;
160 Double_t phim = 0.5*(phi1+phi2);
161 fC1 = TMath::Cos(phi1*TMath::DegToRad());
162 fS1 = TMath::Sin(phi1*TMath::DegToRad());
163 fC2 = TMath::Cos(phi2*TMath::DegToRad());
164 fS2 = TMath::Sin(phi2*TMath::DegToRad());
165 fCm = TMath::Cos(phim*TMath::DegToRad());
166 fSm = TMath::Sin(phim*TMath::DegToRad());
167 fCdphi = TMath::Cos(0.5*fDphi*TMath::DegToRad());
168}
169
170////////////////////////////////////////////////////////////////////////////////
171/// Default constructor in GEANT3 style
172/// - param[0] = phi1
173/// - param[1] = dphi
174/// - param[2] = nz
175/// - param[3] = z1
176/// - param[4] = Rmin1
177/// - param[5] = Rmax1
178/// ...
179
180TGeoPcon::TGeoPcon(Double_t *param)
181 :TGeoBBox(0, 0, 0),
182 fNz(0),
183 fPhi1(0.),
184 fDphi(0.),
185 fRmin(0),
186 fRmax(0),
187 fZ(0),
188 fFullPhi(kFALSE),
189 fC1(0.),
190 fS1(0.),
191 fC2(0.),
192 fS2(0.),
193 fCm(0.),
194 fSm(0.),
195 fCdphi(0.)
196{
197 SetShapeBit(TGeoShape::kGeoPcon);
198 SetDimensions(param);
199 ComputeBBox();
200}
201
202////////////////////////////////////////////////////////////////////////////////
203///copy constructor
204
205TGeoPcon::TGeoPcon(const TGeoPcon& pc) :
206 TGeoBBox(pc),
207 fNz(0),
208 fPhi1(0.),
209 fDphi(0.),
210 fRmin(0),
211 fRmax(0),
212 fZ(0),
213 fFullPhi(kFALSE),
214 fC1(0.),
215 fS1(0.),
216 fC2(0.),
217 fS2(0.),
218 fCm(0.),
219 fSm(0.),
220 fCdphi(0.)
221{
222}
223
224////////////////////////////////////////////////////////////////////////////////
225///assignment operator
226
227TGeoPcon& TGeoPcon::operator=(const TGeoPcon& pc)
228{
229 if(this!=&pc) {
230 TGeoBBox::operator=(pc);
231 fNz=0;
232 fPhi1=0.;
233 fDphi=0.;
234 fRmin=0;
235 fRmax=0;
236 fZ=0;
237 fFullPhi=kFALSE;
238 fC1=0;
239 fS1=0;
240 fC2=0;
241 fS2=0;
242 fCm=0;
243 fSm=0;
244 fCdphi=0;
245 }
246 return *this;
247}
248
249////////////////////////////////////////////////////////////////////////////////
250/// destructor
251
252TGeoPcon::~TGeoPcon()
253{
254 if (fRmin) {delete[] fRmin; fRmin = 0;}
255 if (fRmax) {delete[] fRmax; fRmax = 0;}
256 if (fZ) {delete[] fZ; fZ = 0;}
257}
258
259////////////////////////////////////////////////////////////////////////////////
260/// Computes capacity of the shape in [length^3]
261
262Double_t TGeoPcon::Capacity() const
263{
264 Int_t ipl;
265 Double_t rmin1, rmax1, rmin2, rmax2, phi1, phi2, dz;
266 Double_t capacity = 0.;
267 phi1 = fPhi1;
268 phi2 = fPhi1 + fDphi;
269 for (ipl=0; ipl<fNz-1; ipl++) {
270 dz = 0.5*(fZ[ipl+1]-fZ[ipl]);
271 if (dz < TGeoShape::Tolerance()) continue;
272 rmin1 = fRmin[ipl];
273 rmax1 = fRmax[ipl];
274 rmin2 = fRmin[ipl+1];
275 rmax2 = fRmax[ipl+1];
276 capacity += TGeoConeSeg::Capacity(dz,rmin1,rmax1,rmin2,rmax2,phi1,phi2);
277 }
278 return capacity;
279}
280
281////////////////////////////////////////////////////////////////////////////////
282/// compute bounding box of the pcon
283/// Check if the sections are in increasing Z order
284
285void TGeoPcon::ComputeBBox()
286{
287 for (Int_t isec=0; isec<fNz-1; isec++) {
288 if (TMath::Abs(fZ[isec]-fZ[isec+1]) < TGeoShape::Tolerance()) {
289 fZ[isec+1]=fZ[isec];
290 if (IsSameWithinTolerance(fRmin[isec], fRmin[isec+1]) &&
291 IsSameWithinTolerance(fRmax[isec], fRmax[isec+1])) {
292 InspectShape();
293 Error("ComputeBBox", "Duplicated section %d/%d for shape %s", isec, isec+1, GetName());
294 }
295 }
296 if (fZ[isec]>fZ[isec+1]) {
297 InspectShape();
298 Fatal("ComputeBBox", "Wrong section order");
299 }
300 }
301 // Check if the last sections are valid
302 if (TMath::Abs(fZ[1]-fZ[0]) < TGeoShape::Tolerance() ||
303 TMath::Abs(fZ[fNz-1]-fZ[fNz-2]) < TGeoShape::Tolerance()) {
304 InspectShape();
305 Fatal("ComputeBBox","Shape %s at index %d: Not allowed first two or last two sections at same Z",
306 GetName(), gGeoManager->GetListOfShapes()->IndexOf(this));
307 }
308 Double_t zmin = TMath::Min(fZ[0], fZ[fNz-1]);
309 Double_t zmax = TMath::Max(fZ[0], fZ[fNz-1]);
310 // find largest rmax an smallest rmin
311 Double_t rmin, rmax;
312 rmin = fRmin[TMath::LocMin(fNz, fRmin)];
313 rmax = fRmax[TMath::LocMax(fNz, fRmax)];
314
315 Double_t xc[4];
316 Double_t yc[4];
317 xc[0] = rmax*fC1;
318 yc[0] = rmax*fS1;
319 xc[1] = rmax*fC2;
320 yc[1] = rmax*fS2;
321 xc[2] = rmin*fC1;
322 yc[2] = rmin*fS1;
323 xc[3] = rmin*fC2;
324 yc[3] = rmin*fS2;
325
326 Double_t xmin = xc[TMath::LocMin(4, &xc[0])];
327 Double_t xmax = xc[TMath::LocMax(4, &xc[0])];
328 Double_t ymin = yc[TMath::LocMin(4, &yc[0])];
329 Double_t ymax = yc[TMath::LocMax(4, &yc[0])];
330
331 Double_t ddp = -fPhi1;
332 if (ddp<0) ddp+= 360;
333 if (ddp<=fDphi) xmax = rmax;
334 ddp = 90-fPhi1;
335 if (ddp<0) ddp+= 360;
336 if (ddp<=fDphi) ymax = rmax;
337 ddp = 180-fPhi1;
338 if (ddp<0) ddp+= 360;
339 if (ddp<=fDphi) xmin = -rmax;
340 ddp = 270-fPhi1;
341 if (ddp<0) ddp+= 360;
342 if (ddp<=fDphi) ymin = -rmax;
343 fOrigin[0] = (xmax+xmin)/2;
344 fOrigin[1] = (ymax+ymin)/2;
345 fOrigin[2] = (zmax+zmin)/2;
346 fDX = (xmax-xmin)/2;
347 fDY = (ymax-ymin)/2;
348 fDZ = (zmax-zmin)/2;
349 SetShapeBit(kGeoClosedShape);
350}
351
352////////////////////////////////////////////////////////////////////////////////
353/// Compute normal to closest surface from POINT.
354
355void TGeoPcon::ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
356{
357 memset(norm,0,3*sizeof(Double_t));
358 Double_t r;
359 Double_t ptnew[3];
360 Double_t dz, rmin1, rmax1, rmin2, rmax2;
361 Bool_t is_tube;
362 Int_t ipl = TMath::BinarySearch(fNz, fZ, point[2]);
363 if (ipl==(fNz-1) || ipl<0) {
364 // point outside Z range
365 norm[2] = TMath::Sign(1., dir[2]);
366 return;
367 }
368 Int_t iplclose = ipl;
369 if ((fZ[ipl+1]-point[2])<(point[2]-fZ[ipl])) iplclose++;
370 dz = TMath::Abs(fZ[iplclose]-point[2]);
371 if (dz<1E-5) {
372 if (iplclose==0 || iplclose==(fNz-1)) {
373 norm[2] = TMath::Sign(1., dir[2]);
374 return;
375 }
376 if (iplclose==ipl && TGeoShape::IsSameWithinTolerance(fZ[ipl],fZ[ipl-1])) {
377 r = TMath::Sqrt(point[0]*point[0]+point[1]*point[1]);
378 if (r<TMath::Max(fRmin[ipl],fRmin[ipl-1]) || r>TMath::Min(fRmax[ipl],fRmax[ipl-1])) {
379 norm[2] = TMath::Sign(1., dir[2]);
380 return;
381 }
382 } else {
383 if (TGeoShape::IsSameWithinTolerance(fZ[iplclose],fZ[iplclose+1])) {
384 r = TMath::Sqrt(point[0]*point[0]+point[1]*point[1]);
385 if (r<TMath::Max(fRmin[iplclose],fRmin[iplclose+1]) || r>TMath::Min(fRmax[iplclose],fRmax[iplclose+1])) {
386 norm[2] = TMath::Sign(1., dir[2]);
387 return;
388 }
389 }
390 }
391 } //-> Z done
392 memcpy(ptnew, point, 3*sizeof(Double_t));
393 dz = 0.5*(fZ[ipl+1]-fZ[ipl]);
394 if (TGeoShape::IsSameWithinTolerance(dz,0.)) {
395 norm[2] = TMath::Sign(1., dir[2]);
396 return;
397 }
398 ptnew[2] -= 0.5*(fZ[ipl]+fZ[ipl+1]);
399 rmin1 = fRmin[ipl];
400 rmax1 = fRmax[ipl];
401 rmin2 = fRmin[ipl+1];
402 rmax2 = fRmax[ipl+1];
403 is_tube = (TGeoShape::IsSameWithinTolerance(rmin1,rmin2) && TGeoShape::IsSameWithinTolerance(rmax1,rmax2))?kTRUE:kFALSE;
404 if (!fFullPhi) {
405 if (is_tube) TGeoTubeSeg::ComputeNormalS(ptnew,dir,norm,rmin1,rmax1,dz,fC1,fS1,fC2,fS2);
406 else TGeoConeSeg::ComputeNormalS(ptnew,dir,norm,dz,rmin1,rmax1,rmin2,rmax2,fC1,fS1,fC2,fS2);
407 } else {
408 if (is_tube) TGeoTube::ComputeNormalS(ptnew,dir,norm,rmin1,rmax1,dz);
409 else TGeoCone::ComputeNormalS(ptnew,dir,norm,dz,rmin1,rmax1,rmin2,rmax2);
410 }
411}
412
413////////////////////////////////////////////////////////////////////////////////
414/// test if point is inside this shape
415/// check total z range
416
417Bool_t TGeoPcon::Contains(const Double_t *point) const
418{
419 if ((point[2]<fZ[0]) || (point[2]>fZ[fNz-1])) return kFALSE;
420 // check R squared
421 Double_t r2 = point[0]*point[0]+point[1]*point[1];
422
423 Int_t izl = 0;
424 Int_t izh = fNz-1;
425 Int_t izt = (fNz-1)/2;
426 while ((izh-izl)>1) {
427 if (point[2] > fZ[izt]) izl = izt;
428 else izh = izt;
429 izt = (izl+izh)>>1;
430 }
431 // the point is in the section bounded by izl and izh Z planes
432
433 // compute Rmin and Rmax and test the value of R squared
434 Double_t rmin, rmax;
435 if (TGeoShape::IsSameWithinTolerance(fZ[izl],fZ[izh]) && TGeoShape::IsSameWithinTolerance(point[2],fZ[izl])) {
436 rmin = TMath::Min(fRmin[izl], fRmin[izh]);
437 rmax = TMath::Max(fRmax[izl], fRmax[izh]);
438 } else {
439 Double_t dz = fZ[izh] - fZ[izl];
440 Double_t dz1 = point[2] - fZ[izl];
441 rmin = (fRmin[izl]*(dz-dz1)+fRmin[izh]*dz1)/dz;
442 rmax = (fRmax[izl]*(dz-dz1)+fRmax[izh]*dz1)/dz;
443 }
444 if ((r2<rmin*rmin) || (r2>rmax*rmax)) return kFALSE;
445 // now check phi
446 if (TGeoShape::IsSameWithinTolerance(fDphi,360)) return kTRUE;
447 if (r2<1E-10) return kTRUE;
448 Double_t phi = TMath::ATan2(point[1], point[0]) * TMath::RadToDeg();
449 if (phi < 0) phi+=360.0;
450 Double_t ddp = phi-fPhi1;
451 if (ddp<0) ddp+=360.;
452 if (ddp<=fDphi) return kTRUE;
453 return kFALSE;
454}
455
456////////////////////////////////////////////////////////////////////////////////
457/// compute closest distance from point px,py to each corner
458
459Int_t TGeoPcon::DistancetoPrimitive(Int_t px, Int_t py)
460{
461 Int_t n = gGeoManager->GetNsegments()+1;
462 const Int_t numPoints = 2*n*fNz;
463 return ShapeDistancetoPrimitive(numPoints, px, py);
464}
465
466////////////////////////////////////////////////////////////////////////////////
467/// compute distance from inside point to surface of the polycone
468
469Double_t TGeoPcon::DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact, Double_t step, Double_t *safe) const
470{
471 if (iact<3 && safe) {
472 *safe = Safety(point, kTRUE);
473 if (iact==0) return TGeoShape::Big();
474 if ((iact==1) && (*safe>step)) return TGeoShape::Big();
475 }
476 Double_t snxt = TGeoShape::Big();
477 Double_t sstep = 1E-6;
478 Double_t point_new[3];
479 // determine which z segment contains the point
480 Int_t ipl = TMath::BinarySearch(fNz, fZ, point[2]+TMath::Sign(1.E-10,dir[2]));
481 if (ipl<0) ipl=0;
482 if (ipl==(fNz-1)) ipl--;
483 Double_t dz = 0.5*(fZ[ipl+1]-fZ[ipl]);
484 Bool_t special_case = kFALSE;
485 if (dz<1e-9) {
486 // radius changing segment, make sure track is not in the XY plane
487 if (TGeoShape::IsSameWithinTolerance(dir[2], 0)) {
488 special_case = kTRUE;
489 } else {
490 //check if a close point is still contained
491 point_new[0] = point[0]+sstep*dir[0];
492 point_new[1] = point[1]+sstep*dir[1];
493 point_new[2] = point[2]+sstep*dir[2];
494 if (!Contains(point_new)) return 0.;
495 return (DistFromInside(point_new,dir,iact,step,safe)+sstep);
496 }
497 }
498 // determine if the current segment is a tube or a cone
499 Bool_t intub = kTRUE;
500 if (!TGeoShape::IsSameWithinTolerance(fRmin[ipl],fRmin[ipl+1])) intub=kFALSE;
501 else if (!TGeoShape::IsSameWithinTolerance(fRmax[ipl],fRmax[ipl+1])) intub=kFALSE;
502 // determine phi segmentation
503 memcpy(point_new, point, 2*sizeof(Double_t));
504 // new point in reference system of the current segment
505 point_new[2] = point[2]-0.5*(fZ[ipl]+fZ[ipl+1]);
506
507 if (special_case) {
508 if (!fFullPhi) snxt = TGeoTubeSeg::DistFromInsideS(point_new, dir,
509 TMath::Min(fRmin[ipl],fRmin[ipl+1]), TMath::Max(fRmax[ipl],fRmax[ipl+1]),
510 dz, fC1,fS1,fC2,fS2,fCm,fSm,fCdphi);
511 else snxt = TGeoTube::DistFromInsideS(point_new, dir,
512 TMath::Min(fRmin[ipl],fRmin[ipl+1]), TMath::Max(fRmax[ipl],fRmax[ipl+1]),dz);
513 return snxt;
514 }
515 if (intub) {
516 if (!fFullPhi) snxt=TGeoTubeSeg::DistFromInsideS(point_new, dir, fRmin[ipl], fRmax[ipl],dz, fC1,fS1,fC2,fS2,fCm,fSm,fCdphi);
517 else snxt=TGeoTube::DistFromInsideS(point_new, dir, fRmin[ipl], fRmax[ipl],dz);
518 } else {
519 if (!fFullPhi) snxt=TGeoConeSeg::DistFromInsideS(point_new,dir,dz,fRmin[ipl],fRmax[ipl],fRmin[ipl+1],fRmax[ipl+1],fC1,fS1,fC2,fS2,fCm,fSm,fCdphi);
520 else snxt=TGeoCone::DistFromInsideS(point_new,dir,dz,fRmin[ipl],fRmax[ipl],fRmin[ipl+1], fRmax[ipl+1]);
521 }
522
523 for (Int_t i=0; i<3; i++) point_new[i]=point[i]+(snxt+1E-6)*dir[i];
524 if (!Contains(&point_new[0])) return snxt;
525
526 snxt += DistFromInside(&point_new[0], dir, 3) + 1E-6;
527 return snxt;
528}
529
530////////////////////////////////////////////////////////////////////////////////
531/// compute distance to a pcon Z slice. Segment iz must be valid
532
533Double_t TGeoPcon::DistToSegZ(const Double_t *point, const Double_t *dir, Int_t &iz) const
534{
535 Double_t zmin=fZ[iz];
536 Double_t zmax=fZ[iz+1];
537 if (TGeoShape::IsSameWithinTolerance(zmin,zmax)) {
538 if (TGeoShape::IsSameWithinTolerance(dir[2],0)) return TGeoShape::Big();
539 Int_t istep=(dir[2]>0)?1:-1;
540 iz+=istep;
541 if (iz<0 || iz>(fNz-2)) return TGeoShape::Big();
542 return DistToSegZ(point,dir,iz);
543 }
544 Double_t dz=0.5*(zmax-zmin);
545 Double_t local[3];
546 memcpy(&local[0], point, 3*sizeof(Double_t));
547 local[2]=point[2]-0.5*(zmin+zmax);
548 Double_t snxt;
549 Double_t rmin1=fRmin[iz];
550 Double_t rmax1=fRmax[iz];
551 Double_t rmin2=fRmin[iz+1];
552 Double_t rmax2=fRmax[iz+1];
553
554 if (TGeoShape::IsSameWithinTolerance(rmin1,rmin2) && TGeoShape::IsSameWithinTolerance(rmax1,rmax2)) {
555 if (fFullPhi) snxt=TGeoTube::DistFromOutsideS(local, dir, rmin1, rmax1, dz);
556 else snxt=TGeoTubeSeg::DistFromOutsideS(local,dir,rmin1,rmax1,dz,fC1,fS1,fC2,fS2,fCm,fSm,fCdphi);
557 } else {
558 if (fFullPhi) snxt=TGeoCone::DistFromOutsideS(local,dir,dz,rmin1, rmax1,rmin2,rmax2);
559 else snxt=TGeoConeSeg::DistFromOutsideS(local,dir,dz,rmin1,rmax1,rmin2,rmax2,fC1,fS1,fC2,fS2,fCm,fSm,fCdphi);
560 }
561 if (snxt<1E20) return snxt;
562 // check next segment
563 if (TGeoShape::IsSameWithinTolerance(dir[2],0)) return TGeoShape::Big();
564 Int_t istep=(dir[2]>0)?1:-1;
565 iz+=istep;
566 if (iz<0 || iz>(fNz-2)) return TGeoShape::Big();
567 return DistToSegZ(point,dir,iz);
568}
569
570////////////////////////////////////////////////////////////////////////////////
571/// compute distance from outside point to surface of the tube
572
573Double_t TGeoPcon::DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact, Double_t step, Double_t *safe) const
574{
575 if ((iact<3) && safe) {
576 *safe = Safety(point, kFALSE);
577 if ((iact==1) && (*safe>step)) return TGeoShape::Big();
578 if (iact==0) return TGeoShape::Big();
579 }
580 // check if ray intersect outscribed cylinder
581 if ((point[2]<fZ[0]) && (dir[2]<=0)) return TGeoShape::Big();
582 if ((point[2]>fZ[fNz-1]) && (dir[2]>=0)) return TGeoShape::Big();
583// Check if the bounding box is crossed within the requested distance
584 Double_t sdist = TGeoBBox::DistFromOutside(point,dir, fDX, fDY, fDZ, fOrigin, step);
585 if (sdist>=step) return TGeoShape::Big();
586
587 Double_t r2 = point[0]*point[0]+point[1]*point[1];
588 Double_t radmax=0;
589 radmax=fRmax[TMath::LocMax(fNz, fRmax)];
590 if (r2>(radmax*radmax)) {
591 Double_t rpr=-point[0]*dir[0]-point[1]*dir[1];
592 Double_t nxy=dir[0]*dir[0]+dir[1]*dir[1];
593 if (rpr<TMath::Sqrt((r2-radmax*radmax)*nxy)) return TGeoShape::Big();
594 }
595
596 // find in which Z segment we are
597 Int_t ipl = TMath::BinarySearch(fNz, fZ, point[2]);
598 Int_t ifirst = ipl;
599 if (ifirst<0) {
600 ifirst=0;
601 } else if (ifirst>=(fNz-1)) ifirst=fNz-2;
602 // find if point is in the phi gap
603 Double_t phi=0;
604 if (!fFullPhi) {
605 phi=TMath::ATan2(point[1], point[0]);
606 if (phi<0) phi+=2.*TMath::Pi();
607 }
608
609 // compute distance to boundary
610 return DistToSegZ(point,dir,ifirst);
611}
612
613////////////////////////////////////////////////////////////////////////////////
614/// Defines z position of a section plane, rmin and rmax at this z. Sections
615/// should be defined in increasing or decreasing Z order and the last section
616/// HAS to be snum = fNz-1
617
618void TGeoPcon::DefineSection(Int_t snum, Double_t z, Double_t rmin, Double_t rmax)
619{
620 if ((snum<0) || (snum>=fNz)) return;
621 fZ[snum] = z;
622 fRmin[snum] = rmin;
623 fRmax[snum] = rmax;
624 if (rmin>rmax)
625 Warning("DefineSection", "Shape %s: invalid rmin=%g rmax=%g", GetName(), rmin, rmax);
626 if (snum==(fNz-1)) {
627 // Reorder sections in increasing Z order
628 if (fZ[0] > fZ[snum]) {
629 Int_t iz = 0;
630 Int_t izi = fNz-1;
631 Double_t temp;
632 while (iz<izi) {
633 temp = fZ[iz];
634 fZ[iz] = fZ[izi];
635 fZ[izi] = temp;
636 temp = fRmin[iz];
637 fRmin[iz] = fRmin[izi];
638 fRmin[izi] = temp;
639 temp = fRmax[iz];
640 fRmax[iz] = fRmax[izi];
641 fRmax[izi] = temp;
642 iz++;
643 izi--;
644 }
645 }
646 ComputeBBox();
647 }
648}
649
650////////////////////////////////////////////////////////////////////////////////
651/// Returns number of segments on each mesh circle segment.
652
653Int_t TGeoPcon::GetNsegments() const
654{
655 return gGeoManager->GetNsegments();
656}
657
658////////////////////////////////////////////////////////////////////////////////
659/// Divide this polycone shape belonging to volume "voldiv" into ndiv volumes
660/// called divname, from start position with the given step. Returns pointer
661/// to created division cell volume in case of Z divisions. Z divisions can be
662/// performed if the divided range is in between two consecutive Z planes.
663/// In case a wrong division axis is supplied, returns pointer to
664/// volume that was divided.
665
666TGeoVolume *TGeoPcon::Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
667 Double_t start, Double_t step)
668{
669 TGeoShape *shape; //--- shape to be created
670 TGeoVolume *vol; //--- division volume to be created
671 TGeoVolumeMulti *vmulti; //--- generic divided volume
672 TGeoPatternFinder *finder; //--- finder to be attached
673 TString opt = ""; //--- option to be attached
674 Double_t zmin = start;
675 Double_t zmax = start+ndiv*step;
676 Int_t isect = -1;
677 Int_t is, id, ipl;
678 switch (iaxis) {
679 case 1: //--- R division
680 Error("Divide", "Shape %s: cannot divide a pcon on radius", GetName());
681 return 0;
682 case 2: //--- Phi division
683 finder = new TGeoPatternCylPhi(voldiv, ndiv, start, start+ndiv*step);
684 vmulti = gGeoManager->MakeVolumeMulti(divname, voldiv->GetMedium());
685 voldiv->SetFinder(finder);
686 finder->SetDivIndex(voldiv->GetNdaughters());
687 shape = new TGeoPcon(-step/2, step, fNz);
688 for (is=0; is<fNz; is++)
689 ((TGeoPcon*)shape)->DefineSection(is, fZ[is], fRmin[is], fRmax[is]);
690 vol = new TGeoVolume(divname, shape, voldiv->GetMedium());
691 vmulti->AddVolume(vol);
692 opt = "Phi";
693 for (id=0; id<ndiv; id++) {
694 voldiv->AddNodeOffset(vol, id, start+id*step+step/2, opt.Data());
695 ((TGeoNodeOffset*)voldiv->GetNodes()->At(voldiv->GetNdaughters()-1))->SetFinder(finder);
696 }
697 return vmulti;
698 case 3: //--- Z division
699 // find start plane
700 for (ipl=0; ipl<fNz-1; ipl++) {
701 if (start<fZ[ipl]) continue;
702 else {
703 if ((start+ndiv*step)>fZ[ipl+1]) continue;
704 }
705 isect = ipl;
706 zmin = fZ[isect];
707 zmax= fZ[isect+1];
708 break;
709 }
710 if (isect<0) {
711 Error("Divide", "Shape %s: cannot divide pcon on Z if divided region is not between 2 planes", GetName());
712 return 0;
713 }
714 finder = new TGeoPatternZ(voldiv, ndiv, start, start+ndiv*step);
715 vmulti = gGeoManager->MakeVolumeMulti(divname, voldiv->GetMedium());
716 voldiv->SetFinder(finder);
717 finder->SetDivIndex(voldiv->GetNdaughters());
718 opt = "Z";
719 for (id=0; id<ndiv; id++) {
720 Double_t z1 = start+id*step;
721 Double_t z2 = start+(id+1)*step;
722 Double_t rmin1 = (fRmin[isect]*(zmax-z1)-fRmin[isect+1]*(zmin-z1))/(zmax-zmin);
723 Double_t rmax1 = (fRmax[isect]*(zmax-z1)-fRmax[isect+1]*(zmin-z1))/(zmax-zmin);
724 Double_t rmin2 = (fRmin[isect]*(zmax-z2)-fRmin[isect+1]*(zmin-z2))/(zmax-zmin);
725 Double_t rmax2 = (fRmax[isect]*(zmax-z2)-fRmax[isect+1]*(zmin-z2))/(zmax-zmin);
726 Bool_t is_tube = (TGeoShape::IsSameWithinTolerance(fRmin[isect],fRmin[isect+1]) && TGeoShape::IsSameWithinTolerance(fRmax[isect],fRmax[isect+1]))?kTRUE:kFALSE;
727 Bool_t is_seg = (fDphi<360)?kTRUE:kFALSE;
728 if (is_seg) {
729 if (is_tube) shape=new TGeoTubeSeg(fRmin[isect],fRmax[isect],step/2, fPhi1, fPhi1+fDphi);
730 else shape=new TGeoConeSeg(step/2, rmin1, rmax1, rmin2, rmax2, fPhi1, fPhi1+fDphi);
731 } else {
732 if (is_tube) shape=new TGeoTube(fRmin[isect],fRmax[isect],step/2);
733 else shape = new TGeoCone(step/2,rmin1,rmax1,rmin2,rmax2);
734 }
735 vol = new TGeoVolume(divname, shape, voldiv->GetMedium());
736 vmulti->AddVolume(vol);
737 voldiv->AddNodeOffset(vol, id, start+id*step+step/2, opt.Data());
738 ((TGeoNodeOffset*)voldiv->GetNodes()->At(voldiv->GetNdaughters()-1))->SetFinder(finder);
739 }
740 return vmulti;
741 default:
742 Error("Divide", "Shape %s: Wrong axis %d for division",GetName(), iaxis);
743 return 0;
744 }
745}
746
747////////////////////////////////////////////////////////////////////////////////
748/// Returns name of axis IAXIS.
749
750const char *TGeoPcon::GetAxisName(Int_t iaxis) const
751{
752 switch (iaxis) {
753 case 1:
754 return "R";
755 case 2:
756 return "PHI";
757 case 3:
758 return "Z";
759 default:
760 return "UNDEFINED";
761 }
762}
763
764////////////////////////////////////////////////////////////////////////////////
765/// Get range of shape for a given axis.
766
767Double_t TGeoPcon::GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const
768{
769 xlo = 0;
770 xhi = 0;
771 Double_t dx = 0;
772 switch (iaxis) {
773 case 2:
774 xlo = fPhi1;
775 xhi = fPhi1 + fDphi;
776 dx = fDphi;
777 return dx;
778 case 3:
779 xlo = fZ[0];
780 xhi = fZ[fNz-1];
781 dx = xhi-xlo;
782 return dx;
783 }
784 return dx;
785}
786
787////////////////////////////////////////////////////////////////////////////////
788/// Fill vector param[4] with the bounding cylinder parameters. The order
789/// is the following : Rmin, Rmax, Phi1, Phi2
790
791void TGeoPcon::GetBoundingCylinder(Double_t *param) const
792{
793 param[0] = fRmin[0]; // Rmin
794 param[1] = fRmax[0]; // Rmax
795 for (Int_t i=1; i<fNz; i++) {
796 if (fRmin[i] < param[0]) param[0] = fRmin[i];
797 if (fRmax[i] > param[1]) param[1] = fRmax[i];
798 }
799 param[0] *= param[0];
800 param[1] *= param[1];
801 if (TGeoShape::IsSameWithinTolerance(fDphi,360.)) {
802 param[2] = 0.;
803 param[3] = 360.;
804 return;
805 }
806 param[2] = (fPhi1<0)?(fPhi1+360.):fPhi1; // Phi1
807 param[3] = param[2]+fDphi; // Phi2
808}
809
810////////////////////////////////////////////////////////////////////////////////
811/// Returns Rmin for Z segment IPL.
812
813Double_t TGeoPcon::GetRmin(Int_t ipl) const
814{
815 if (ipl<0 || ipl>(fNz-1)) {
816 Error("GetRmin","ipl=%i out of range (0,%i) in shape %s",ipl,fNz-1,GetName());
817 return 0.;
818 }
819 return fRmin[ipl];
820}
821
822////////////////////////////////////////////////////////////////////////////////
823/// Returns Rmax for Z segment IPL.
824
825Double_t TGeoPcon::GetRmax(Int_t ipl) const
826{
827 if (ipl<0 || ipl>(fNz-1)) {
828 Error("GetRmax","ipl=%i out of range (0,%i) in shape %s",ipl,fNz-1,GetName());
829 return 0.;
830 }
831 return fRmax[ipl];
832}
833
834////////////////////////////////////////////////////////////////////////////////
835/// Returns Z for segment IPL.
836
837Double_t TGeoPcon::GetZ(Int_t ipl) const
838{
839 if (ipl<0 || ipl>(fNz-1)) {
840 Error("GetZ","ipl=%i out of range (0,%i) in shape %s",ipl,fNz-1,GetName());
841 return 0.;
842 }
843 return fZ[ipl];
844}
845
846////////////////////////////////////////////////////////////////////////////////
847/// print shape parameters
848
849void TGeoPcon::InspectShape() const
850{
851 printf("*** Shape %s: TGeoPcon ***\n", GetName());
852 printf(" Nz = %i\n", fNz);
853 printf(" phi1 = %11.5f\n", fPhi1);
854 printf(" dphi = %11.5f\n", fDphi);
855 for (Int_t ipl=0; ipl<fNz; ipl++)
856 printf(" plane %i: z=%11.5f Rmin=%11.5f Rmax=%11.5f\n", ipl, fZ[ipl], fRmin[ipl], fRmax[ipl]);
857 printf(" Bounding box:\n");
858 TGeoBBox::InspectShape();
859}
860
861////////////////////////////////////////////////////////////////////////////////
862/// Creates a TBuffer3D describing *this* shape.
863/// Coordinates are in local reference frame.
864
865TBuffer3D *TGeoPcon::MakeBuffer3D() const
866{
867 const Int_t n = gGeoManager->GetNsegments()+1;
868 Int_t nz = GetNz();
869 if (nz < 2) return 0;
870 Int_t nbPnts = nz*2*n;
871 if (nbPnts <= 0) return 0;
872 Double_t dphi = GetDphi();
873
874 Bool_t specialCase = kFALSE;
875 if (TGeoShape::IsSameWithinTolerance(dphi,360)) specialCase = kTRUE;
876
877 Int_t nbSegs = 4*(nz*n-1+(specialCase == kTRUE));
878 Int_t nbPols = 2*(nz*n-1+(specialCase == kTRUE));
879 TBuffer3D* buff = new TBuffer3D(TBuffer3DTypes::kGeneric,
880 nbPnts, 3*nbPnts, nbSegs, 3*nbSegs, nbPols, 6*nbPols);
881 if (buff)
882 {
883 SetPoints(buff->fPnts);
884 SetSegsAndPols(*buff);
885 }
886
887 return buff;
888}
889
890////////////////////////////////////////////////////////////////////////////////
891/// Fill TBuffer3D structure for segments and polygons.
892
893void TGeoPcon::SetSegsAndPols(TBuffer3D &buff) const
894{
895 Int_t i, j;
896 const Int_t n = gGeoManager->GetNsegments()+1;
897 Int_t nz = GetNz();
898 if (nz < 2) return;
899 Int_t nbPnts = nz*2*n;
900 if (nbPnts <= 0) return;
901 Double_t dphi = GetDphi();
902
903 Bool_t specialCase = kFALSE;
904 if (TGeoShape::IsSameWithinTolerance(dphi,360)) specialCase = kTRUE;
905 Int_t c = GetBasicColor();
906
907 Int_t indx, indx2, k;
908 indx = indx2 = 0;
909
910 //inside & outside circles, number of segments: 2*nz*(n-1)
911 // special case number of segments: 2*nz*n
912 for (i = 0; i < nz*2; i++) {
913 indx2 = i*n;
914 for (j = 1; j < n; j++) {
915 buff.fSegs[indx++] = c;
916 buff.fSegs[indx++] = indx2+j-1;
917 buff.fSegs[indx++] = indx2+j;
918 }
919 if (specialCase) {
920 buff.fSegs[indx++] = c;
921 buff.fSegs[indx++] = indx2+j-1;
922 buff.fSegs[indx++] = indx2;
923 }
924 }
925
926 //bottom & top lines, number of segments: 2*n
927 for (i = 0; i < 2; i++) {
928 indx2 = i*(nz-1)*2*n;
929 for (j = 0; j < n; j++) {
930 buff.fSegs[indx++] = c;
931 buff.fSegs[indx++] = indx2+j;
932 buff.fSegs[indx++] = indx2+n+j;
933 }
934 }
935
936 //inside & outside cilindres, number of segments: 2*(nz-1)*n
937 for (i = 0; i < (nz-1); i++) {
938 //inside cilinder
939 indx2 = i*n*2;
940 for (j = 0; j < n; j++) {
941 buff.fSegs[indx++] = c+2;
942 buff.fSegs[indx++] = indx2+j;
943 buff.fSegs[indx++] = indx2+n*2+j;
944 }
945 //outside cilinder
946 indx2 = i*n*2+n;
947 for (j = 0; j < n; j++) {
948 buff.fSegs[indx++] = c+3;
949 buff.fSegs[indx++] = indx2+j;
950 buff.fSegs[indx++] = indx2+n*2+j;
951 }
952 }
953
954 //left & right sections, number of segments: 2*(nz-2)
955 // special case number of segments: 0
956 if (!specialCase) {
957 for (i = 1; i < (nz-1); i++) {
958 for (j = 0; j < 2; j++) {
959 buff.fSegs[indx++] = c;
960 buff.fSegs[indx++] = 2*i * n + j*(n-1);
961 buff.fSegs[indx++] = (2*i+1) * n + j*(n-1);
962 }
963 }
964 }
965
966 Int_t m = n - 1 + (specialCase == kTRUE);
967 indx = 0;
968
969 //bottom & top, number of polygons: 2*(n-1)
970 // special case number of polygons: 2*n
971 for (j = 0; j < n-1; j++) {
972 buff.fPols[indx++] = c+3;
973 buff.fPols[indx++] = 4;
974 buff.fPols[indx++] = 2*nz*m+j;
975 buff.fPols[indx++] = m+j;
976 buff.fPols[indx++] = 2*nz*m+j+1;
977 buff.fPols[indx++] = j;
978 }
979 for (j = 0; j < n-1; j++) {
980 buff.fPols[indx++] = c+3;
981 buff.fPols[indx++] = 4;
982 buff.fPols[indx++] = 2*nz*m+n+j;
983 buff.fPols[indx++] = (nz*2-2)*m+j;
984 buff.fPols[indx++] = 2*nz*m+n+j+1;
985 buff.fPols[indx++] = (nz*2-2)*m+m+j;
986 }
987 if (specialCase) {
988 buff.fPols[indx++] = c+3;
989 buff.fPols[indx++] = 4;
990 buff.fPols[indx++] = 2*nz*m+j;
991 buff.fPols[indx++] = m+j;
992 buff.fPols[indx++] = 2*nz*m;
993 buff.fPols[indx++] = j;
994
995 buff.fPols[indx++] = c+3;
996 buff.fPols[indx++] = 4;
997 buff.fPols[indx++] = 2*nz*m+n+j;
998 buff.fPols[indx++] = (nz*2-2)*m+m+j;
999 buff.fPols[indx++] = 2*nz*m+n;
1000 buff.fPols[indx++] = (nz*2-2)*m+j;
1001 }
1002
1003 //inside & outside, number of polygons: (nz-1)*2*(n-1)
1004 for (k = 0; k < (nz-1); k++) {
1005 for (j = 0; j < n-1; j++) {
1006 buff.fPols[indx++] = c;
1007 buff.fPols[indx++] = 4;
1008 buff.fPols[indx++] = 2*k*m+j;
1009 buff.fPols[indx++] = nz*2*m+(2*k+2)*n+j+1;
1010 buff.fPols[indx++] = (2*k+2)*m+j;
1011 buff.fPols[indx++] = nz*2*m+(2*k+2)*n+j;
1012 }
1013 for (j = 0; j < n-1; j++) {
1014 buff.fPols[indx++] = c+1;
1015 buff.fPols[indx++] = 4;
1016 buff.fPols[indx++] = (2*k+1)*m+j;
1017 buff.fPols[indx++] = nz*2*m+(2*k+3)*n+j;
1018 buff.fPols[indx++] = (2*k+3)*m+j;
1019 buff.fPols[indx++] = nz*2*m+(2*k+3)*n+j+1;
1020 }
1021 if (specialCase) {
1022 buff.fPols[indx++] = c;
1023 buff.fPols[indx++] = 4;
1024 buff.fPols[indx++] = 2*k*m+j;
1025 buff.fPols[indx++] = nz*2*m+(2*k+2)*n;
1026 buff.fPols[indx++] = (2*k+2)*m+j;
1027 buff.fPols[indx++] = nz*2*m+(2*k+2)*n+j;
1028
1029 buff.fPols[indx++] = c+1;
1030 buff.fPols[indx++] = 4;
1031 buff.fPols[indx++] = (2*k+1)*m+j;
1032 buff.fPols[indx++] = nz*2*m+(2*k+3)*n+j;
1033 buff.fPols[indx++] = (2*k+3)*m+j;
1034 buff.fPols[indx++] = nz*2*m+(2*k+3)*n;
1035 }
1036 }
1037
1038 //left & right sections, number of polygons: 2*(nz-1)
1039 // special case number of polygons: 0
1040 if (!specialCase) {
1041 indx2 = nz*2*(n-1);
1042 for (k = 0; k < (nz-1); k++) {
1043 buff.fPols[indx++] = c+2;
1044 buff.fPols[indx++] = 4;
1045 buff.fPols[indx++] = k==0 ? indx2 : indx2+2*nz*n+2*(k-1);
1046 buff.fPols[indx++] = indx2+2*(k+1)*n;
1047 buff.fPols[indx++] = indx2+2*nz*n+2*k;
1048 buff.fPols[indx++] = indx2+(2*k+3)*n;
1049
1050 buff.fPols[indx++] = c+2;
1051 buff.fPols[indx++] = 4;
1052 buff.fPols[indx++] = k==0 ? indx2+n-1 : indx2+2*nz*n+2*(k-1)+1;
1053 buff.fPols[indx++] = indx2+(2*k+3)*n+n-1;
1054 buff.fPols[indx++] = indx2+2*nz*n+2*k+1;
1055 buff.fPols[indx++] = indx2+2*(k+1)*n+n-1;
1056 }
1057 buff.fPols[indx-8] = indx2+n;
1058 buff.fPols[indx-2] = indx2+2*n-1;
1059 }
1060}
1061
1062////////////////////////////////////////////////////////////////////////////////
1063/// Compute safety from POINT to segment between planes ipl, ipl+1 within safmin.
1064
1065Double_t TGeoPcon::SafetyToSegment(const Double_t *point, Int_t ipl, Bool_t in, Double_t safmin) const
1066{
1067 Double_t safe = TGeoShape::Big();
1068 if (ipl<0 || ipl>fNz-2) return (safmin+1.); // error in input plane
1069// Get info about segment.
1070 Double_t dz = 0.5*(fZ[ipl+1]-fZ[ipl]);
1071 if (dz<1E-9) return 1E9; // radius-changing segment
1072 Double_t ptnew[3];
1073 memcpy(ptnew, point, 3*sizeof(Double_t));
1074 ptnew[2] -= 0.5*(fZ[ipl]+fZ[ipl+1]);
1075 safe = TMath::Abs(ptnew[2])-dz;
1076 if (safe>safmin) return TGeoShape::Big(); // means: stop checking further segments
1077 Double_t rmin1 = fRmin[ipl];
1078 Double_t rmax1 = fRmax[ipl];
1079 Double_t rmin2 = fRmin[ipl+1];
1080 Double_t rmax2 = fRmax[ipl+1];
1081 Bool_t is_tube = (TGeoShape::IsSameWithinTolerance(rmin1,rmin2) && TGeoShape::IsSameWithinTolerance(rmax1,rmax2))?kTRUE:kFALSE;
1082 if (!fFullPhi) {
1083 if (is_tube) safe = TGeoTubeSeg::SafetyS(ptnew,in,rmin1,rmax1, dz,fPhi1,fPhi1+fDphi,0);
1084 else safe = TGeoConeSeg::SafetyS(ptnew,in,dz,rmin1,rmax1,rmin2,rmax2,fPhi1,fPhi1+fDphi,0);
1085 } else {
1086 if (is_tube) safe = TGeoTube::SafetyS(ptnew,in,rmin1,rmax1,dz,0);
1087 else safe = TGeoCone::SafetyS(ptnew,in,dz,rmin1,rmax1,rmin2,rmax2,0);
1088 }
1089 if (safe<0) safe=0;
1090 return safe;
1091}
1092
1093////////////////////////////////////////////////////////////////////////////////
1094/// computes the closest distance from given point to this shape, according
1095/// to option. The matching point on the shape is stored in spoint.
1096/// localize the Z segment
1097
1098Double_t TGeoPcon::Safety(const Double_t *point, Bool_t in) const
1099{
1100 Double_t safmin, saftmp;
1101 Double_t dz;
1102 Int_t ipl, iplane;
1103
1104 if (in) {
1105 //---> point is inside pcon
1106 ipl = TMath::BinarySearch(fNz, fZ, point[2]);
1107 if (ipl==(fNz-1)) return 0; // point on last Z boundary
1108 if (ipl<0) return 0; // point on first Z boundary
1109 if (ipl>0 && TGeoShape::IsSameWithinTolerance(fZ[ipl-1],fZ[ipl]) && TGeoShape::IsSameWithinTolerance(point[2],fZ[ipl-1])) ipl--;
1110 dz = 0.5*(fZ[ipl+1]-fZ[ipl]);
1111 if (dz<1E-8) {
1112 // Point on a segment-changing plane
1113 safmin = TMath::Min(point[2]-fZ[ipl-1],fZ[ipl+2]-point[2]);
1114 saftmp = TGeoShape::Big();
1115 if (fDphi<360) saftmp = TGeoShape::SafetyPhi(point,in,fPhi1,fPhi1+fDphi);
1116 if (saftmp<safmin) safmin = saftmp;
1117 Double_t radius = TMath::Sqrt(point[0]*point[0]+point[1]*point[1]);
1118 if (fRmin[ipl]>0) safmin = TMath::Min(safmin, radius-fRmin[ipl]);
1119 if (fRmin[ipl+1]>0) safmin = TMath::Min(safmin, radius-fRmin[ipl+1]);
1120 safmin = TMath::Min(safmin, fRmax[ipl]-radius);
1121 safmin = TMath::Min(safmin, fRmax[ipl+1]-radius);
1122 if (safmin<0) safmin = 0;
1123 return safmin;
1124 }
1125 // Check safety for current segment
1126 safmin = SafetyToSegment(point, ipl);
1127 if (safmin>1E10) {
1128 // something went wrong - point is not inside current segment
1129 return 0.;
1130 }
1131 if (safmin<1E-6) return TMath::Abs(safmin); // point on radius-changing plane
1132 // check increasing iplanes
1133 iplane = ipl+1;
1134 saftmp = 0.;
1135/*
1136 while ((iplane<fNz-1) && saftmp<1E10) {
1137 saftmp = TMath::Abs(SafetyToSegment(point,iplane,kFALSE,safmin));
1138 if (saftmp<safmin) safmin=saftmp;
1139 iplane++;
1140 }
1141 // now decreasing nplanes
1142 iplane = ipl-1;
1143 saftmp = 0.;
1144 while ((iplane>=0) && saftmp<1E10) {
1145 saftmp = TMath::Abs(SafetyToSegment(point,iplane,kFALSE,safmin));
1146 if (saftmp<safmin) safmin=saftmp;
1147 iplane--;
1148 }
1149*/
1150 return safmin;
1151 }
1152 //---> point is outside pcon
1153 ipl = TMath::BinarySearch(fNz, fZ, point[2]);
1154 if (ipl<0) ipl=0;
1155 else if (ipl==fNz-1) ipl=fNz-2;
1156 dz = 0.5*(fZ[ipl+1]-fZ[ipl]);
1157 if (dz<1E-8 && (ipl+2<fNz)) {
1158 ipl++;
1159 dz = 0.5*(fZ[ipl+1]-fZ[ipl]);
1160 }
1161 // Check safety for current segment
1162 safmin = SafetyToSegment(point, ipl, kFALSE);
1163 if (safmin<1E-6) return TMath::Abs(safmin); // point on radius-changing plane
1164 saftmp = 0.;
1165 // check increasing iplanes
1166 iplane = ipl+1;
1167 saftmp = 0.;
1168 while ((iplane<fNz-1) && saftmp<1E10) {
1169 saftmp = TMath::Abs(SafetyToSegment(point,iplane,kFALSE,safmin));
1170 if (saftmp<safmin) safmin=saftmp;
1171 iplane++;
1172 }
1173 // now decreasing nplanes
1174 iplane = ipl-1;
1175 saftmp = 0.;
1176 while ((iplane>=0) && saftmp<1E10) {
1177 saftmp = TMath::Abs(SafetyToSegment(point,iplane,kFALSE,safmin));
1178 if (saftmp<safmin) safmin=saftmp;
1179 iplane--;
1180 }
1181 return safmin;
1182}
1183
1184////////////////////////////////////////////////////////////////////////////////
1185/// Save a primitive as a C++ statement(s) on output stream "out".
1186
1187void TGeoPcon::SavePrimitive(std::ostream &out, Option_t * /*option*/ /*= ""*/)
1188{
1189 if (TObject::TestBit(kGeoSavePrimitive)) return;
1190 out << " // Shape: " << GetName() << " type: " << ClassName() << std::endl;
1191 out << " phi1 = " << fPhi1 << ";" << std::endl;
1192 out << " dphi = " << fDphi << ";" << std::endl;
1193 out << " nz = " << fNz << ";" << std::endl;
1194 out << " TGeoPcon *pcon = new TGeoPcon(\"" << GetName() << "\",phi1,dphi,nz);" << std::endl;
1195 for (Int_t i=0; i<fNz; i++) {
1196 out << " z = " << fZ[i] << ";" << std::endl;
1197 out << " rmin = " << fRmin[i] << ";" << std::endl;
1198 out << " rmax = " << fRmax[i] << ";" << std::endl;
1199 out << " pcon->DefineSection(" << i << ", z,rmin,rmax);" << std::endl;
1200 }
1201 out << " TGeoShape *" << GetPointerName() << " = pcon;" << std::endl;
1202 TObject::SetBit(TGeoShape::kGeoSavePrimitive);
1203}
1204
1205////////////////////////////////////////////////////////////////////////////////
1206/// Set polycone dimensions starting from an array.
1207
1208void TGeoPcon::SetDimensions(Double_t *param)
1209{
1210 fPhi1 = param[0];
1211 while (fPhi1<0) fPhi1 += 360.;
1212 fDphi = param[1];
1213 fNz = (Int_t)param[2];
1214 if (fNz<2) {
1215 Error("SetDimensions","Pcon %s: Number of Z sections must be > 2", GetName());
1216 return;
1217 }
1218 if (fRmin) delete [] fRmin;
1219 if (fRmax) delete [] fRmax;
1220 if (fZ) delete [] fZ;
1221 fRmin = new Double_t [fNz];
1222 fRmax = new Double_t [fNz];
1223 fZ = new Double_t [fNz];
1224 memset(fRmin, 0, fNz*sizeof(Double_t));
1225 memset(fRmax, 0, fNz*sizeof(Double_t));
1226 memset(fZ, 0, fNz*sizeof(Double_t));
1227 if (TGeoShape::IsSameWithinTolerance(fDphi,360)) fFullPhi = kTRUE;
1228 Double_t phi1 = fPhi1;
1229 Double_t phi2 = phi1+fDphi;
1230 Double_t phim = 0.5*(phi1+phi2);
1231 fC1 = TMath::Cos(phi1*TMath::DegToRad());
1232 fS1 = TMath::Sin(phi1*TMath::DegToRad());
1233 fC2 = TMath::Cos(phi2*TMath::DegToRad());
1234 fS2 = TMath::Sin(phi2*TMath::DegToRad());
1235 fCm = TMath::Cos(phim*TMath::DegToRad());
1236 fSm = TMath::Sin(phim*TMath::DegToRad());
1237 fCdphi = TMath::Cos(0.5*fDphi*TMath::DegToRad());
1238
1239 for (Int_t i=0; i<fNz; i++)
1240 DefineSection(i, param[3+3*i], param[4+3*i], param[5+3*i]);
1241}
1242
1243////////////////////////////////////////////////////////////////////////////////
1244/// create polycone mesh points
1245
1246void TGeoPcon::SetPoints(Double_t *points) const
1247{
1248 Double_t phi, dphi;
1249 Int_t n = gGeoManager->GetNsegments() + 1;
1250 dphi = fDphi/(n-1);
1251 Int_t i, j;
1252 Int_t indx = 0;
1253
1254 if (points) {
1255 for (i = 0; i < fNz; i++) {
1256 for (j = 0; j < n; j++) {
1257 phi = (fPhi1+j*dphi)*TMath::DegToRad();
1258 points[indx++] = fRmin[i] * TMath::Cos(phi);
1259 points[indx++] = fRmin[i] * TMath::Sin(phi);
1260 points[indx++] = fZ[i];
1261 }
1262 for (j = 0; j < n; j++) {
1263 phi = (fPhi1+j*dphi)*TMath::DegToRad();
1264 points[indx++] = fRmax[i] * TMath::Cos(phi);
1265 points[indx++] = fRmax[i] * TMath::Sin(phi);
1266 points[indx++] = fZ[i];
1267 }
1268 }
1269 }
1270}
1271
1272////////////////////////////////////////////////////////////////////////////////
1273/// create polycone mesh points
1274
1275void TGeoPcon::SetPoints(Float_t *points) const
1276{
1277 Double_t phi, dphi;
1278 Int_t n = gGeoManager->GetNsegments() + 1;
1279 dphi = fDphi/(n-1);
1280 Int_t i, j;
1281 Int_t indx = 0;
1282
1283 if (points) {
1284 for (i = 0; i < fNz; i++) {
1285 for (j = 0; j < n; j++) {
1286 phi = (fPhi1+j*dphi)*TMath::DegToRad();
1287 points[indx++] = fRmin[i] * TMath::Cos(phi);
1288 points[indx++] = fRmin[i] * TMath::Sin(phi);
1289 points[indx++] = fZ[i];
1290 }
1291 for (j = 0; j < n; j++) {
1292 phi = (fPhi1+j*dphi)*TMath::DegToRad();
1293 points[indx++] = fRmax[i] * TMath::Cos(phi);
1294 points[indx++] = fRmax[i] * TMath::Sin(phi);
1295 points[indx++] = fZ[i];
1296 }
1297 }
1298 }
1299}
1300////////////////////////////////////////////////////////////////////////////////
1301/// Return number of vertices of the mesh representation
1302
1303Int_t TGeoPcon::GetNmeshVertices() const
1304{
1305 Int_t n = gGeoManager->GetNsegments()+1;
1306 Int_t numPoints = fNz*2*n;
1307 return numPoints;
1308}
1309
1310////////////////////////////////////////////////////////////////////////////////
1311/// fill size of this 3-D object
1312
1313void TGeoPcon::Sizeof3D() const
1314{
1315}
1316
1317////////////////////////////////////////////////////////////////////////////////
1318/// Returns numbers of vertices, segments and polygons composing the shape mesh.
1319
1320void TGeoPcon::GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const
1321{
1322 Int_t n = gGeoManager->GetNsegments()+1;
1323 Int_t nz = GetNz();
1324 nvert = nz*2*n;
1325 Bool_t specialCase = TGeoShape::IsSameWithinTolerance(GetDphi(),360);
1326 nsegs = 4*(nz*n-1+(specialCase == kTRUE));
1327 npols = 2*(nz*n-1+(specialCase == kTRUE));
1328}
1329
1330////////////////////////////////////////////////////////////////////////////////
1331/// Fills a static 3D buffer and returns a reference.
1332
1333const TBuffer3D & TGeoPcon::GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
1334{
1335 static TBuffer3D buffer(TBuffer3DTypes::kGeneric);
1336
1337 TGeoBBox::FillBuffer3D(buffer, reqSections, localFrame);
1338
1339 if (reqSections & TBuffer3D::kRawSizes) {
1340 const Int_t n = gGeoManager->GetNsegments()+1;
1341 Int_t nz = GetNz();
1342 Int_t nbPnts = nz*2*n;
1343 if (nz >= 2 && nbPnts > 0) {
1344 Bool_t specialCase = TGeoShape::IsSameWithinTolerance(GetDphi(),360);
1345 Int_t nbSegs = 4*(nz*n-1+(specialCase == kTRUE));
1346 Int_t nbPols = 2*(nz*n-1+(specialCase == kTRUE));
1347 if (buffer.SetRawSizes(nbPnts, 3*nbPnts, nbSegs, 3*nbSegs, nbPols, 6*nbPols)) {
1348 buffer.SetSectionsValid(TBuffer3D::kRawSizes);
1349 }
1350 }
1351 }
1352 // TODO: Push down to TGeoShape?? Would have to do raw sizes set first..
1353 // can rest of TGeoShape be deferred until after this?
1354 if ((reqSections & TBuffer3D::kRaw) && buffer.SectionsValid(TBuffer3D::kRawSizes)) {
1355 SetPoints(buffer.fPnts);
1356 if (!buffer.fLocalFrame) {
1357 TransformPoints(buffer.fPnts, buffer.NbPnts());
1358 }
1359
1360 SetSegsAndPols(buffer);
1361 buffer.SetSectionsValid(TBuffer3D::kRaw);
1362 }
1363
1364 return buffer;
1365}
1366
1367////////////////////////////////////////////////////////////////////////////////
1368/// Stream an object of class TGeoPcon.
1369
1370void TGeoPcon::Streamer(TBuffer &R__b)
1371{
1372 if (R__b.IsReading()) {
1373 R__b.ReadClassBuffer(TGeoPcon::Class(),this);
1374 if (TGeoShape::IsSameWithinTolerance(fDphi,360)) fFullPhi = kTRUE;
1375 Double_t phi1 = fPhi1;
1376 Double_t phi2 = phi1+fDphi;
1377 Double_t phim = 0.5*(phi1+phi2);
1378 fC1 = TMath::Cos(phi1*TMath::DegToRad());
1379 fS1 = TMath::Sin(phi1*TMath::DegToRad());
1380 fC2 = TMath::Cos(phi2*TMath::DegToRad());
1381 fS2 = TMath::Sin(phi2*TMath::DegToRad());
1382 fCm = TMath::Cos(phim*TMath::DegToRad());
1383 fSm = TMath::Sin(phim*TMath::DegToRad());
1384 fCdphi = TMath::Cos(0.5*fDphi*TMath::DegToRad());
1385 } else {
1386 R__b.WriteClassBuffer(TGeoPcon::Class(),this);
1387 }
1388}
1389
1390////////////////////////////////////////////////////////////////////////////////
1391/// Check the inside status for each of the points in the array.
1392/// Input: Array of point coordinates + vector size
1393/// Output: Array of Booleans for the inside of each point
1394
1395void TGeoPcon::Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const
1396{
1397 for (Int_t i=0; i<vecsize; i++) inside[i] = Contains(&points[3*i]);
1398}
1399
1400////////////////////////////////////////////////////////////////////////////////
1401/// Compute the normal for an array o points so that norm.dot.dir is positive
1402/// Input: Arrays of point coordinates and directions + vector size
1403/// Output: Array of normal directions
1404
1405void TGeoPcon::ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize)
1406{
1407 for (Int_t i=0; i<vecsize; i++) ComputeNormal(&points[3*i], &dirs[3*i], &norms[3*i]);
1408}
1409
1410////////////////////////////////////////////////////////////////////////////////
1411/// Compute distance from array of input points having directions specified by dirs. Store output in dists
1412
1413void TGeoPcon::DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t* step) const
1414{
1415 for (Int_t i=0; i<vecsize; i++) dists[i] = DistFromInside(&points[3*i], &dirs[3*i], 3, step[i]);
1416}
1417
1418////////////////////////////////////////////////////////////////////////////////
1419/// Compute distance from array of input points having directions specified by dirs. Store output in dists
1420
1421void TGeoPcon::DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t* step) const
1422{
1423 for (Int_t i=0; i<vecsize; i++) dists[i] = DistFromOutside(&points[3*i], &dirs[3*i], 3, step[i]);
1424}
1425
1426////////////////////////////////////////////////////////////////////////////////
1427/// Compute safe distance from each of the points in the input array.
1428/// Input: Array of point coordinates, array of statuses for these points, size of the arrays
1429/// Output: Safety values
1430
1431void TGeoPcon::Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const
1432{
1433 for (Int_t i=0; i<vecsize; i++) safe[i] = Safety(&points[3*i], inside[i]);
1434}
Class
void Class()
Definition: Class.C:29
r
ROOT::R::TRInterface & r
Definition: Object.C:4
c
#define c(i)
Definition: RSha256.hxx:101
e
#define e(i)
Definition: RSha256.hxx:103
Int_t
int Int_t
Definition: RtypesCore.h:41
kFALSE
const Bool_t kFALSE
Definition: RtypesCore.h:88
Bool_t
bool Bool_t
Definition: RtypesCore.h:59
Double_t
double Double_t
Definition: RtypesCore.h:55
Float_t
float Float_t
Definition: RtypesCore.h:53
kTRUE
const Bool_t kTRUE
Definition: RtypesCore.h:87
Option_t
const char Option_t
Definition: RtypesCore.h:62
ClassImp
#define ClassImp(name)
Definition: Rtypes.h:363
gGeoManager
R__EXTERN TGeoManager * gGeoManager
Definition: TGeoManager.h:572
xmin
float xmin
Definition: THbookFile.cxx:93
ymin
float ymin
Definition: THbookFile.cxx:93
xmax
float xmax
Definition: THbookFile.cxx:93
ymax
float ymax
Definition: THbookFile.cxx:93
points
point * points
Definition: X3DBuffer.c:22
TBuffer3D
Generic 3D primitive description class.
Definition: TBuffer3D.h:18
TBuffer3D::fPols
Int_t * fPols
Definition: TBuffer3D.h:114
TBuffer3D::NbPnts
UInt_t NbPnts() const
Definition: TBuffer3D.h:80
TBuffer3D::SectionsValid
Bool_t SectionsValid(UInt_t mask) const
Definition: TBuffer3D.h:67
TBuffer3D::kRawSizes
@ kRawSizes
Definition: TBuffer3D.h:53
TBuffer3D::SetSectionsValid
void SetSectionsValid(UInt_t mask)
Definition: TBuffer3D.h:65
TBuffer3D::fSegs
Int_t * fSegs
Definition: TBuffer3D.h:113
TBuffer3D::fLocalFrame
Bool_t fLocalFrame
Definition: TBuffer3D.h:90
TBuffer3D::SetRawSizes
Bool_t SetRawSizes(UInt_t reqPnts, UInt_t reqPntsCapacity, UInt_t reqSegs, UInt_t reqSegsCapacity, UInt_t reqPols, UInt_t reqPolsCapacity)
Set kRaw tessellation section of buffer with supplied sizes.
Definition: TBuffer3D.cxx:359
TBuffer3D::fPnts
Double_t * fPnts
Definition: TBuffer3D.h:112
TBuffer
Buffer base class used for serializing objects.
Definition: TBuffer.h:40
TBuffer::ReadClassBuffer
virtual Int_t ReadClassBuffer(const TClass *cl, void *pointer, const TClass *onfile_class=0)=0
TBuffer::IsReading
Bool_t IsReading() const
Definition: TBuffer.h:83
TBuffer::WriteClassBuffer
virtual Int_t WriteClassBuffer(const TClass *cl, void *pointer)=0
TGeoBBox
Box class.
Definition: TGeoBBox.h:18
TGeoBBox::fDX
Double_t fDX
Definition: TGeoBBox.h:21
TGeoBBox::DistFromOutside
virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const
Compute distance from outside point to surface of the box.
Definition: TGeoBBox.cxx:430
TGeoBBox::InspectShape
virtual void InspectShape() const
Prints shape parameters.
Definition: TGeoBBox.cxx:793
TGeoBBox::fOrigin
Double_t fOrigin[3]
Definition: TGeoBBox.h:24
TGeoBBox::fDY
Double_t fDY
Definition: TGeoBBox.h:22
TGeoBBox::fDZ
Double_t fDZ
Definition: TGeoBBox.h:23
TGeoBBox::FillBuffer3D
virtual void FillBuffer3D(TBuffer3D &buffer, Int_t reqSections, Bool_t localFrame) const
Fills the supplied buffer, with sections in desired frame See TBuffer3D.h for explanation of sections...
Definition: TGeoBBox.cxx:1033
TGeoConeSeg
A phi segment of a conical tube.
Definition: TGeoCone.h:99
TGeoConeSeg::ComputeNormalS
static void ComputeNormalS(const Double_t *point, const Double_t *dir, Double_t *norm, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t c1, Double_t s1, Double_t c2, Double_t s2)
Compute normal to closest surface from POINT.
Definition: TGeoCone.cxx:1406
TGeoConeSeg::DistFromOutsideS
static Double_t DistFromOutsideS(const Double_t *point, const Double_t *dir, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t c1, Double_t s1, Double_t c2, Double_t s2, Double_t cm, Double_t sm, Double_t cdfi)
compute distance from outside point to surface of arbitrary tube
Definition: TGeoCone.cxx:1611
TGeoConeSeg::Capacity
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoCone.cxx:1290
TGeoConeSeg::SafetyS
static Double_t SafetyS(const Double_t *point, Bool_t in, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t phi1, Double_t phi2, Int_t skipz=0)
Static method to compute the closest distance from given point to this shape.
Definition: TGeoCone.cxx:2186
TGeoConeSeg::DistFromInsideS
static Double_t DistFromInsideS(const Double_t *point, const Double_t *dir, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t c1, Double_t s1, Double_t c2, Double_t s2, Double_t cm, Double_t sm, Double_t cdfi)
compute distance from inside point to surface of the tube segment
Definition: TGeoCone.cxx:1545
TGeoCone
Conical tube class.
Definition: TGeoCone.h:18
TGeoCone::ComputeNormalS
static void ComputeNormalS(const Double_t *point, const Double_t *dir, Double_t *norm, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2)
Compute normal to closest surface from POINT.
Definition: TGeoCone.cxx:224
TGeoCone::DistFromInsideS
static Double_t DistFromInsideS(const Double_t *point, const Double_t *dir, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2)
Compute distance from inside point to surface of the cone (static) Boundary safe algorithm.
Definition: TGeoCone.cxx:275
TGeoCone::DistFromOutsideS
static Double_t DistFromOutsideS(const Double_t *point, const Double_t *dir, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2)
Compute distance from outside point to surface of the tube Boundary safe algorithm.
Definition: TGeoCone.cxx:362
TGeoCone::SafetyS
static Double_t SafetyS(const Double_t *point, Bool_t in, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Int_t skipz=0)
computes the closest distance from given point to this shape, according to option.
Definition: TGeoCone.cxx:885
TGeoManager::MakeVolumeMulti
TGeoVolumeMulti * MakeVolumeMulti(const char *name, TGeoMedium *medium)
Make a TGeoVolumeMulti handling a list of volumes.
Definition: TGeoManager.cxx:3335
TGeoManager::GetListOfShapes
TObjArray * GetListOfShapes() const
Definition: TGeoManager.h:480
TGeoManager::GetNsegments
Int_t GetNsegments() const
Get number of segments approximating circles.
Definition: TGeoManager.cxx:3376
TGeoNodeOffset
Node containing an offset.
Definition: TGeoNode.h:182
TGeoPatternFinder
Base finder class for patterns.
Definition: TGeoPatternFinder.h:32
TGeoPatternFinder::SetDivIndex
void SetDivIndex(Int_t index)
Definition: TGeoPatternFinder.h:99
TGeoPcon
A polycone.
Definition: TGeoPcon.h:18
TGeoPcon::fSm
Double_t fSm
Cosine of (phi1+phi2)/2.
Definition: TGeoPcon.h:33
TGeoPcon::GetAxisName
virtual const char * GetAxisName(Int_t iaxis) const
Returns name of axis IAXIS.
Definition: TGeoPcon.cxx:750
TGeoPcon::GetRmax
Double_t * GetRmax() const
Definition: TGeoPcon.h:77
TGeoPcon::SetDimensions
virtual void SetDimensions(Double_t *param)
Set polycone dimensions starting from an array.
Definition: TGeoPcon.cxx:1208
TGeoPcon::GetDphi
Double_t GetDphi() const
Definition: TGeoPcon.h:72
TGeoPcon::SafetyToSegment
Double_t SafetyToSegment(const Double_t *point, Int_t ipl, Bool_t in=kTRUE, Double_t safmin=TGeoShape::Big()) const
Compute safety from POINT to segment between planes ipl, ipl+1 within safmin.
Definition: TGeoPcon.cxx:1065
TGeoPcon::fRmax
Double_t * fRmax
Definition: TGeoPcon.h:25
TGeoPcon::Sizeof3D
virtual void Sizeof3D() const
fill size of this 3-D object
Definition: TGeoPcon.cxx:1313
TGeoPcon::SetPoints
virtual void SetPoints(Double_t *points) const
create polycone mesh points
Definition: TGeoPcon.cxx:1246
TGeoPcon::Contains_v
virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const
Check the inside status for each of the points in the array.
Definition: TGeoPcon.cxx:1395
TGeoPcon::ComputeBBox
virtual void ComputeBBox()
compute bounding box of the pcon Check if the sections are in increasing Z order
Definition: TGeoPcon.cxx:285
TGeoPcon::fRmin
Double_t * fRmin
Definition: TGeoPcon.h:24
TGeoPcon::ComputeNormal
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
Definition: TGeoPcon.cxx:355
TGeoPcon::DistancetoPrimitive
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
compute closest distance from point px,py to each corner
Definition: TGeoPcon.cxx:459
TGeoPcon::fNz
Int_t fNz
Definition: TGeoPcon.h:21
TGeoPcon::fZ
Double_t * fZ
Definition: TGeoPcon.h:26
TGeoPcon::DefineSection
virtual void DefineSection(Int_t snum, Double_t z, Double_t rmin, Double_t rmax)
Defines z position of a section plane, rmin and rmax at this z.
Definition: TGeoPcon.cxx:618
TGeoPcon::fC1
Double_t fC1
Full phi range flag.
Definition: TGeoPcon.h:28
TGeoPcon::fCdphi
Double_t fCdphi
Sine of (phi1+phi2)/2.
Definition: TGeoPcon.h:34
TGeoPcon::fFullPhi
Bool_t fFullPhi
Definition: TGeoPcon.h:27
TGeoPcon::fS1
Double_t fS1
Cosine of phi1.
Definition: TGeoPcon.h:29
TGeoPcon::InspectShape
virtual void InspectShape() const
print shape parameters
Definition: TGeoPcon.cxx:849
TGeoPcon::Divide
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Divide this polycone shape belonging to volume "voldiv" into ndiv volumes called divname,...
Definition: TGeoPcon.cxx:666
TGeoPcon::Safety_v
virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const
Compute safe distance from each of the points in the input array.
Definition: TGeoPcon.cxx:1431
TGeoPcon::operator=
TGeoPcon & operator=(const TGeoPcon &)
assignment operator
Definition: TGeoPcon.cxx:227
TGeoPcon::SetSegsAndPols
virtual void SetSegsAndPols(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons.
Definition: TGeoPcon.cxx:893
TGeoPcon::Contains
virtual Bool_t Contains(const Double_t *point) const
test if point is inside this shape check total z range
Definition: TGeoPcon.cxx:417
TGeoPcon::GetMeshNumbers
virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const
Returns numbers of vertices, segments and polygons composing the shape mesh.
Definition: TGeoPcon.cxx:1320
TGeoPcon::DistToSegZ
Double_t DistToSegZ(const Double_t *point, const Double_t *dir, Int_t &iz) const
compute distance to a pcon Z slice. Segment iz must be valid
Definition: TGeoPcon.cxx:533
TGeoPcon::Capacity
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoPcon.cxx:262
TGeoPcon::fCm
Double_t fCm
Sine of phi1+dphi.
Definition: TGeoPcon.h:32
TGeoPcon::GetBuffer3D
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
Definition: TGeoPcon.cxx:1333
TGeoPcon::GetZ
Double_t * GetZ() const
Definition: TGeoPcon.h:79
TGeoPcon::ComputeNormal_v
virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize)
Compute the normal for an array o points so that norm.dot.dir is positive Input: Arrays of point coor...
Definition: TGeoPcon.cxx:1405
TGeoPcon::MakeBuffer3D
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
Definition: TGeoPcon.cxx:865
TGeoPcon::DistFromOutside
virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const
compute distance from outside point to surface of the tube
Definition: TGeoPcon.cxx:573
TGeoPcon::DistFromOutside_v
virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const
Compute distance from array of input points having directions specified by dirs. Store output in dist...
Definition: TGeoPcon.cxx:1421
TGeoPcon::GetNsegments
virtual Int_t GetNsegments() const
Returns number of segments on each mesh circle segment.
Definition: TGeoPcon.cxx:653
TGeoPcon::fPhi1
Double_t fPhi1
Definition: TGeoPcon.h:22
TGeoPcon::GetAxisRange
virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const
Get range of shape for a given axis.
Definition: TGeoPcon.cxx:767
TGeoPcon::fS2
Double_t fS2
Cosine of phi1+dphi.
Definition: TGeoPcon.h:31
TGeoPcon::DistFromInside
virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const
compute distance from inside point to surface of the polycone
Definition: TGeoPcon.cxx:469
TGeoPcon::~TGeoPcon
virtual ~TGeoPcon()
destructor
Definition: TGeoPcon.cxx:252
TGeoPcon::fDphi
Double_t fDphi
Definition: TGeoPcon.h:23
TGeoPcon::DistFromInside_v
virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const
Compute distance from array of input points having directions specified by dirs. Store output in dist...
Definition: TGeoPcon.cxx:1413
TGeoPcon::fC2
Double_t fC2
Sine of phi1.
Definition: TGeoPcon.h:30
TGeoPcon::SavePrimitive
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoPcon.cxx:1187
TGeoPcon::GetNz
Int_t GetNz() const
Definition: TGeoPcon.h:73
TGeoPcon::GetNmeshVertices
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
Definition: TGeoPcon.cxx:1303
TGeoPcon::GetBoundingCylinder
virtual void GetBoundingCylinder(Double_t *param) const
Fill vector param[4] with the bounding cylinder parameters.
Definition: TGeoPcon.cxx:791
TGeoPcon::Safety
virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const
computes the closest distance from given point to this shape, according to option.
Definition: TGeoPcon.cxx:1098
TGeoPcon::GetRmin
Double_t * GetRmin() const
Definition: TGeoPcon.h:75
TGeoPcon::TGeoPcon
TGeoPcon()
dummy ctor
Definition: TGeoPcon.cxx:68
TGeoShape
Base abstract class for all shapes.
Definition: TGeoShape.h:26
TGeoShape::Big
static Double_t Big()
Definition: TGeoShape.h:88
TGeoShape::GetBasicColor
Int_t GetBasicColor() const
Get the basic color (0-7).
Definition: TGeoShape.cxx:673
TGeoShape::TransformPoints
void TransformPoints(Double_t *points, UInt_t NbPoints) const
Tranform a set of points (LocalToMaster)
Definition: TGeoShape.cxx:552
TGeoShape::SetShapeBit
void SetShapeBit(UInt_t f, Bool_t set)
Equivalent of TObject::SetBit.
Definition: TGeoShape.cxx:524
TGeoShape::SafetyPhi
static Double_t SafetyPhi(const Double_t *point, Bool_t in, Double_t phi1, Double_t phi2)
Static method to compute safety w.r.t a phi corner defined by cosines/sines of the angles phi1,...
Definition: TGeoShape.cxx:464
TGeoShape::IsSameWithinTolerance
static Bool_t IsSameWithinTolerance(Double_t a, Double_t b)
Check if two numbers differ with less than a tolerance.
Definition: TGeoShape.cxx:326
TGeoShape::GetPointerName
const char * GetPointerName() const
Provide a pointer name containing uid.
Definition: TGeoShape.cxx:699
TGeoShape::ShapeDistancetoPrimitive
Int_t ShapeDistancetoPrimitive(Int_t numpoints, Int_t px, Int_t py) const
Returns distance to shape primitive mesh.
Definition: TGeoShape.cxx:259
TGeoShape::GetName
virtual const char * GetName() const
Get the shape name.
Definition: TGeoShape.cxx:248
TGeoShape::kGeoClosedShape
@ kGeoClosedShape
Definition: TGeoShape.h:60
TGeoShape::kGeoSavePrimitive
@ kGeoSavePrimitive
Definition: TGeoShape.h:65
TGeoShape::kGeoPcon
@ kGeoPcon
Definition: TGeoShape.h:51
TGeoShape::Tolerance
static Double_t Tolerance()
Definition: TGeoShape.h:91
TGeoTubeSeg
A phi segment of a tube.
Definition: TGeoTube.h:89
TGeoTubeSeg::DistFromInsideS
static Double_t DistFromInsideS(const Double_t *point, const Double_t *dir, Double_t rmin, Double_t rmax, Double_t dz, Double_t c1, Double_t s1, Double_t c2, Double_t s2, Double_t cm, Double_t sm, Double_t cdfi)
Compute distance from inside point to surface of the tube segment (static) Boundary safe algorithm.
Definition: TGeoTube.cxx:1458
TGeoTubeSeg::DistFromOutsideS
static Double_t DistFromOutsideS(const Double_t *point, const Double_t *dir, Double_t rmin, Double_t rmax, Double_t dz, Double_t c1, Double_t s1, Double_t c2, Double_t s2, Double_t cm, Double_t sm, Double_t cdfi)
Static method to compute distance to arbitrary tube segment from outside point Boundary safe algorith...
Definition: TGeoTube.cxx:1523
TGeoTubeSeg::SafetyS
static Double_t SafetyS(const Double_t *point, Bool_t in, Double_t rmin, Double_t rmax, Double_t dz, Double_t phi1, Double_t phi2, Int_t skipz=0)
Static method to compute the closest distance from given point to this shape.
Definition: TGeoTube.cxx:2105
TGeoTubeSeg::ComputeNormalS
static void ComputeNormalS(const Double_t *point, const Double_t *dir, Double_t *norm, Double_t rmin, Double_t rmax, Double_t dz, Double_t c1, Double_t s1, Double_t c2, Double_t s2)
Compute normal to closest surface from POINT.
Definition: TGeoTube.cxx:1409
TGeoTube
Cylindrical tube class.
Definition: TGeoTube.h:18
TGeoTube::DistFromOutsideS
static Double_t DistFromOutsideS(const Double_t *point, const Double_t *dir, Double_t rmin, Double_t rmax, Double_t dz)
Static method to compute distance from outside point to a tube with given parameters Boundary safe al...
Definition: TGeoTube.cxx:348
TGeoTube::SafetyS
static Double_t SafetyS(const Double_t *point, Bool_t in, Double_t rmin, Double_t rmax, Double_t dz, Int_t skipz=0)
computes the closest distance from given point to this shape, according to option.
Definition: TGeoTube.cxx:867
TGeoTube::ComputeNormalS
static void ComputeNormalS(const Double_t *point, const Double_t *dir, Double_t *norm, Double_t rmin, Double_t rmax, Double_t dz)
Compute normal to closest surface from POINT.
Definition: TGeoTube.cxx:246
TGeoTube::DistFromInsideS
static Double_t DistFromInsideS(const Double_t *point, const Double_t *dir, Double_t rmin, Double_t rmax, Double_t dz)
Compute distance from inside point to surface of the tube (static) Boundary safe algorithm.
Definition: TGeoTube.cxx:287
TGeoVolumeMulti
Volume families.
Definition: TGeoVolume.h:257
TGeoVolumeMulti::AddVolume
void AddVolume(TGeoVolume *vol)
Add a volume with valid shape to the list of volumes.
Definition: TGeoVolume.cxx:2506
TGeoVolume
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:53
TGeoVolume::AddNodeOffset
void AddNodeOffset(TGeoVolume *vol, Int_t copy_no, Double_t offset=0, Option_t *option="")
Add a division node to the list of nodes.
Definition: TGeoVolume.cxx:1023
TGeoVolume::GetMedium
TGeoMedium * GetMedium() const
Definition: TGeoVolume.h:176
TGeoVolume::SetFinder
void SetFinder(TGeoPatternFinder *finder)
Definition: TGeoVolume.h:234
TGeoVolume::GetNdaughters
Int_t GetNdaughters() const
Definition: TGeoVolume.h:350
TGeoVolume::GetNodes
TObjArray * GetNodes()
Definition: TGeoVolume.h:170
TNamed::operator=
TNamed & operator=(const TNamed &rhs)
TNamed assignment operator.
Definition: TNamed.cxx:51
TObjArray::IndexOf
Int_t IndexOf(const TObject *obj) const
Definition: TObjArray.cxx:589
TObjArray::At
TObject * At(Int_t idx) const
Definition: TObjArray.h:165
TObject::TestBit
R__ALWAYS_INLINE Bool_t TestBit(UInt_t f) const
Definition: TObject.h:172
TObject::ClassName
virtual const char * ClassName() const
Returns name of class to which the object belongs.
Definition: TObject.cxx:128
TObject::Warning
virtual void Warning(const char *method, const char *msgfmt,...) const
Issue warning message.
Definition: TObject.cxx:866
TObject::SetBit
void SetBit(UInt_t f, Bool_t set)
Set or unset the user status bits as specified in f.
Definition: TObject.cxx:694
TObject::Error
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
Definition: TObject.cxx:880
TObject::Fatal
virtual void Fatal(const char *method, const char *msgfmt,...) const
Issue fatal error message.
Definition: TObject.cxx:908
TString
Basic string class.
Definition: TString.h:131
TString::Data
const char * Data() const
Definition: TString.h:364
n
const Int_t n
Definition: legend1.C:16
TGeoUnit::pc
static constexpr double pc
Definition: TGeoSystemOfUnits.h:130
TMath::LocMin
Long64_t LocMin(Long64_t n, const T *a)
Return index of array with the minimum element.
Definition: TMath.h:960
TMath::Max
Short_t Max(Short_t a, Short_t b)
Definition: TMathBase.h:212
TMath::Sign
T1 Sign(T1 a, T2 b)
Definition: TMathBase.h:165
TMath::LocMax
Long64_t LocMax(Long64_t n, const T *a)
Return index of array with the maximum element.
Definition: TMath.h:988
TMath::E
constexpr Double_t E()
Base of natural log:
Definition: TMath.h:97
TMath::ATan2
Double_t ATan2(Double_t, Double_t)
Definition: TMath.h:667
TMath::DegToRad
constexpr Double_t DegToRad()
Conversion from degree to radian:
Definition: TMath.h:82
TMath::Sqrt
Double_t Sqrt(Double_t x)
Definition: TMath.h:679
TMath::Min
Short_t Min(Short_t a, Short_t b)
Definition: TMathBase.h:180
TMath::Cos
Double_t Cos(Double_t)
Definition: TMath.h:629
TMath::Pi
constexpr Double_t Pi()
Definition: TMath.h:38
TMath::Sin
Double_t Sin(Double_t)
Definition: TMath.h:625
TMath::BinarySearch
Long64_t BinarySearch(Long64_t n, const T *array, T value)
Definition: TMathBase.h:278
TMath::RadToDeg
constexpr Double_t RadToDeg()
Conversion from radian to degree:
Definition: TMath.h:74
TMath::Abs
Short_t Abs(Short_t d)
Definition: TMathBase.h:120
m
auto * m
Definition: textangle.C:8