Logo ROOT  
Reference Guide
TVirtualGeoTrack.cxx
Go to the documentation of this file.
1// @(#)root/geom:$Id$
2// Author: Andrei Gheata 2003/04/10
3
4/*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12#include "TVirtualGeoTrack.h"
13
14#include "Rtypes.h"
15#include "TGeoManager.h"
16#include "TObject.h"
17
18/** \class TVirtualGeoTrack
19\ingroup Geometry_classes
20
21Base class for user-defined tracks attached to a geometry.
22Tracks are 3D objects made of points and they store a
23pointer to a TParticle. The geometry manager holds a list
24of all tracks that will be deleted on destruction of
25gGeoManager.
26*/
27
29
30////////////////////////////////////////////////////////////////////////////////
31/// Virtual tracks default constructor
32
34{
35 fPDG = 0;
36 fId = -1;
37 fParent = 0;
38 fParticle = 0;
39 fTracks = 0;
40}
41
42////////////////////////////////////////////////////////////////////////////////
43/// Constructor providing ID for parent track (-1 for primaries), ID of this
44/// track and related particle pointer.
45
47{
48 fPDG = pdgcode;
49 fId = id;
50 fParent = parent;
51 fParticle = particle;
52 fTracks = 0;
53}
54
55////////////////////////////////////////////////////////////////////////////////
56/// Copy ctor. NOT TO BE CALLED.
57
59 :TObject(other), TGeoAtt(other), TAttLine(other), TAttMarker(other),
60 fPDG(other.fPDG),
61 fId(other.fId),
62 fParent(other.fParent),
63 fParticle(other.fParticle),
64 fTracks(other.fTracks)
65{
66}
67
68////////////////////////////////////////////////////////////////////////////////
69/// Assignment operator. NOT TO BE CALLED.
70
72{
73 if(this!=&gv) {
78 fPDG=gv.fPDG;
79 fId=gv.fId;
83 }
84 return *this;
85}
86
87////////////////////////////////////////////////////////////////////////////////
88/// Destructor.
89
91{
92 if (fTracks) {
93 fTracks->Delete();
94 delete fTracks;
95 }
96}
97
98////////////////////////////////////////////////////////////////////////////////
99/// Returns daughter id.
100
102{
103 TVirtualGeoTrack *daughter = GetDaughter(index);
104 if (!daughter) {
105 Error("GetDaughterId", "No daughter track with index %d", index);
106 return -1;
107 }
108 return daughter->GetId();
109}
110
111////////////////////////////////////////////////////////////////////////////////
112/// Recursively search through this track for a daughter
113/// particle (at any depth) with the specified id
114
116{
117 TVirtualGeoTrack* trk=0;
118 if (GetId()==id) {
119 trk = (TVirtualGeoTrack*)this;
120 return trk;
121 }
122 TVirtualGeoTrack* kid=0;
123 Int_t nd = GetNdaughters();
124 for (Int_t i=0; i<nd; i++) if (GetDaughterId(i) == id) return GetDaughter(i);
125 for (Int_t i=0; i<nd; i++) {
126 kid = GetDaughter(i);
127 if (kid!=0) {
128 trk = kid->FindTrackWithId(id);
129 if (trk!=0) break;
130 }
131 }
132 return trk;
133}
134
135////////////////////////////////////////////////////////////////////////////////
136/// Get the PDG name.
137
138const char *TVirtualGeoTrack::GetName() const
139{
140 return gGeoManager->GetPdgName(fPDG);
141}
142
143////////////////////////////////////////////////////////////////////////////////
144/// True if track TOF range overlaps with time interval of TGeoManager
145
147{
148 Double_t tmin, tmax;
149 Bool_t timecut = gGeoManager->GetTminTmax(tmin,tmax);
150 if (!timecut) return kTRUE;
151 const Double_t *point = GetFirstPoint();
152 if (!point) return kFALSE;
153 if (point[3]>tmax) return kFALSE;
154 point = GetLastPoint();
155 if (point[3]<tmin) return kFALSE;
156 return kTRUE;
157}
158
159////////////////////////////////////////////////////////////////////////////////
160/// Set a default name for this track.
161
163{
165 if (!strcmp(name, "gamma")) {
168 SetLineWidth(1);
170 return;
171 }
172 if (!strcmp(name, "pi+") || !strcmp(name, "proton") || !strcmp(name, "K+")) {
175 SetLineWidth(2);
176 return;
177 }
178 if (!strcmp(name, "pi-") || !strcmp(name, "K-")) {
179 SetLineColor(30);
180 SetMarkerColor(30);
181 SetLineWidth(2);
182 return;
183 }
184 if (!strcmp(name, "pi0") || !strcmp(name, "K0")) {
187 SetLineWidth(2);
188 return;
189 }
190 if (!strcmp(name, "neutron")) {
191 SetLineColor(16);
192 SetMarkerColor(16);
193 SetLineWidth(1);
195 return;
196 }
197 if (!strcmp(name, "Alpha") || !strcmp(name, "Deuteron") || !strcmp(name, "Triton")) {
200 SetLineWidth(3);
201 return;
202 }
203 if (!strcmp(name, "e-") || !strcmp(name, "mu-")) {
206 SetLineWidth(1);
208 return;
209 }
210 if (!strcmp(name, "e+") || !strcmp(name, "mu+")) {
213 SetLineWidth(1);
215 return;
216 }
217}
218
219
int Int_t
Definition: RtypesCore.h:41
const Bool_t kFALSE
Definition: RtypesCore.h:88
bool Bool_t
Definition: RtypesCore.h:59
double Double_t
Definition: RtypesCore.h:55
const Bool_t kTRUE
Definition: RtypesCore.h:87
#define ClassImp(name)
Definition: Rtypes.h:365
@ kRed
Definition: Rtypes.h:64
@ kGreen
Definition: Rtypes.h:64
@ kMagenta
Definition: Rtypes.h:64
@ kCyan
Definition: Rtypes.h:64
@ kBlue
Definition: Rtypes.h:64
@ kDotted
Definition: TAttLine.h:48
XFontStruct * id
Definition: TGX11.cxx:108
char name[80]
Definition: TGX11.cxx:109
R__EXTERN TGeoManager * gGeoManager
Definition: TGeoManager.h:601
Binding & operator=(OUT(*fun)(void))
Line Attributes class.
Definition: TAttLine.h:18
virtual void SetLineStyle(Style_t lstyle)
Set the line style.
Definition: TAttLine.h:42
virtual void SetLineWidth(Width_t lwidth)
Set the line width.
Definition: TAttLine.h:43
virtual void SetLineColor(Color_t lcolor)
Set the line color.
Definition: TAttLine.h:40
Marker Attributes class.
Definition: TAttMarker.h:19
virtual void SetMarkerColor(Color_t mcolor=1)
Set the marker color.
Definition: TAttMarker.h:38
Visualization and tracking attributes for volumes and nodes.
Definition: TGeoAtt.h:18
void SetPdgName(Int_t pdg, const char *name)
Set a name for a particle having a given pdg.
const char * GetPdgName(Int_t pdg) const
Get name for given pdg code;.
Bool_t GetTminTmax(Double_t &tmin, Double_t &tmax) const
Get time cut for drawing tracks.
virtual void Delete(Option_t *option="")
Remove all objects from the array AND delete all heap based objects.
Definition: TObjArray.cxx:355
Mother of all ROOT objects.
Definition: TObject.h:37
TObject & operator=(const TObject &rhs)
TObject assignment operator.
Definition: TObject.h:268
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
Definition: TObject.cxx:880
Base class for user-defined tracks attached to a geometry.
const Double_t * GetFirstPoint() const
virtual Int_t GetDaughterId(Int_t index) const
Returns daughter id.
Int_t GetId() const
TVirtualGeoTrack * fParent
void SetName(const char *name)
Set a default name for this track.
virtual const char * GetName() const
Get the PDG name.
const Double_t * GetLastPoint() const
TVirtualGeoTrack * GetDaughter(Int_t index) const
TVirtualGeoTrack()
Virtual tracks default constructor.
TVirtualGeoTrack & operator=(const TVirtualGeoTrack &)
Assignment operator. NOT TO BE CALLED.
virtual TVirtualGeoTrack * FindTrackWithId(Int_t id) const
Recursively search through this track for a daughter particle (at any depth) with the specified id.
TObjArray * fTracks
Bool_t IsInTimeRange() const
True if track TOF range overlaps with time interval of TGeoManager.
virtual ~TVirtualGeoTrack()
Destructor.
Int_t GetNdaughters() const