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Reference Guide
TGeoCache.h
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1 // @(#)root/geom:$Id$
2 // Author: Andrei Gheata 18/03/02
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 // Author : Andrei Gheata - date Wed 12 Dec 2001 09:45:08 AM CET
12 
13 #ifndef ROOT_TGeoCache
14 #define ROOT_TGeoCache
15 
16 #include "TGeoNode.h"
17 
18 #include "TGeoStateInfo.h"
19 
20 // forward declarations
21 class TGeoManager;
22 class TGeoHMatrix;
23 
24 class TGeoCacheState : public TObject
25 {
26 protected:
27  Int_t fCapacity; // maximum level stored
28  Int_t fLevel; // level in the current branch
29  Int_t fNmany; // number of overlapping nodes on current branch
30  Int_t fStart; // start level
31  Int_t fIdBranch[30]; // ID branch
32  Double_t fPoint[3]; // last point in master frame
33  Bool_t fOverlapping; // overlap flag
34 
35  TGeoNode **fNodeBranch; // last node branch stored
36  TGeoHMatrix **fMatrixBranch; // global matrices for last branch
37  TGeoHMatrix **fMatPtr; // array of matrix pointers
38 
41 
42 public:
44  TGeoCacheState(Int_t capacity);
45  virtual ~TGeoCacheState();
46 
47  void SetState(Int_t level, Int_t startlevel, Int_t nmany, Bool_t ovlp, Double_t *point=0);
48  Bool_t GetState(Int_t &level, Int_t &nmany, Double_t *point) const;
49 
50  ClassDef(TGeoCacheState, 0) // class storing the cache state
51 };
52 
53 class TGeoNodeCache : public TObject
54 {
55 private:
56  Int_t fGeoCacheMaxLevels;// maximum supported number of levels
57  Int_t fGeoCacheStackSize;// maximum size of the stack
58  Int_t fGeoInfoStackSize; // maximum size of the stack of info states
59  Int_t fLevel; // level in the current branch
60  Int_t fStackLevel; // current level in the stack
61  Int_t fInfoLevel; // current level in the stack
62  Int_t fCurrentID; // unique ID of current node
63  Int_t fIndex; // index in array of ID's
64  Int_t fIdBranch[100]; // current branch of indices
65  TString fPath; // path for current branch
66  TGeoNode *fTop; // top node
67  TGeoNode *fNode; //! current node
68  TGeoHMatrix *fMatrix; //! current matrix
69  TObjArray *fStack; // stack of cache states
70  TGeoHMatrix **fMatrixBranch; // current branch of global matrices
71  TGeoHMatrix **fMPB; // pre-built matrices
72  TGeoNode **fNodeBranch; // current branch of nodes
73  TGeoStateInfo **fInfoBranch; // current branch of nodes
74  TGeoStateInfo *fPWInfo; //! State info for the parallel world
75  Int_t *fNodeIdArray; //! array of node id's
76 
77  TGeoNodeCache(const TGeoNodeCache&) = delete;
78  TGeoNodeCache& operator=(const TGeoNodeCache&) = delete;
79 
80 public:
81  TGeoNodeCache();
82  TGeoNodeCache(TGeoNode *top, Bool_t nodeid=kFALSE, Int_t capacity=30);
83  virtual ~TGeoNodeCache();
84 
85  void BuildIdArray();
86  void BuildInfoBranch();
87  void CdNode(Int_t nodeid);
88  Bool_t CdDown(Int_t index);
89  Bool_t CdDown(TGeoNode *node);
90  void CdTop() {fLevel=1; CdUp();}
91  void CdUp();
92  void FillIdBranch(const Int_t *br, Int_t startlevel=0) {memcpy(fIdBranch+startlevel,br,(fLevel+1-startlevel)*sizeof(Int_t)); fIndex=fIdBranch[fLevel];}
93  const Int_t *GetIdBranch() const {return fIdBranch;}
94  void *GetBranch() const {return fNodeBranch;}
95  void GetBranchNames(Int_t *names) const;
96  void GetBranchNumbers(Int_t *copyNumbers, Int_t *volumeNumbers) const;
97  void GetBranchOnlys(Int_t *isonly) const;
98  void *GetMatrices() const {return fMatrixBranch;}
100  Int_t GetCurrentNodeId() const;
101  TGeoNode *GetMother(Int_t up=1) const {return ((fLevel-up)>=0)?fNodeBranch[fLevel-up]:0;}
102  TGeoHMatrix *GetMotherMatrix(Int_t up=1) const {return ((fLevel-up)>=0)?fMatrixBranch[fLevel-up]:0;}
103  TGeoNode *GetNode() const {return fNode;}
104  TGeoNode *GetTopNode() const {return fTop;}
107  void ReleaseInfo();
108  Int_t GetLevel() const {return fLevel;}
109  const char *GetPath();
110  Int_t GetStackLevel() const {return fStackLevel;}
111  Int_t GetNodeId() const;
112  Bool_t HasIdArray() const { return fNodeIdArray ? kTRUE : kFALSE; }
113  Bool_t IsDummy() const {return kTRUE;}
114 
115  void LocalToMaster(const Double_t *local, Double_t *master) const;
116  void MasterToLocal(const Double_t *master, Double_t *local) const;
117  void LocalToMasterVect(const Double_t *local, Double_t *master) const;
118  void MasterToLocalVect(const Double_t *master, Double_t *local) const;
119  void LocalToMasterBomb(const Double_t *local, Double_t *master) const;
120  void MasterToLocalBomb(const Double_t *master, Double_t *local) const;
121  Int_t PushState(Bool_t ovlp, Int_t ntmany=0, Int_t startlevel=0, Double_t *point=0);
122  Bool_t PopState(Int_t &nmany, Double_t *point=0);
123  Bool_t PopState(Int_t &nmany, Int_t level, Double_t *point=0);
124  void PopDummy(Int_t ipop=9999) {fStackLevel=(ipop>fStackLevel)?(fStackLevel-1):(ipop-1);}
126  Bool_t RestoreState(Int_t &nmany, TGeoCacheState *state, Double_t *point=0);
127 
128  ClassDef(TGeoNodeCache, 0) // cache of reusable physical nodes
129 };
130 
131 #endif
Statefull info for the current geometry level.
Definition: TGeoStateInfo.h:21
Int_t fGeoCacheMaxLevels
Definition: TGeoCache.h:56
Int_t GetCurrentNodeId() const
Returns a fixed ID for current physical node.
Definition: TGeoCache.cxx:264
An array of TObjects.
Definition: TObjArray.h:37
void PopDummy(Int_t ipop=9999)
Definition: TGeoCache.h:124
virtual ~TGeoNodeCache()
Destructor.
Definition: TGeoCache.cxx:101
Int_t fCurrentID
Definition: TGeoCache.h:62
TGeoCacheState()
Default ctor.
Definition: TGeoCache.cxx:460
The manager class for any TGeo geometry.
Definition: TGeoManager.h:42
void Refresh()
Definition: TGeoCache.h:125
TObjArray * fStack
current matrix
Definition: TGeoCache.h:69
TGeoStateInfo * GetInfo()
Get next state info pointer.
Definition: TGeoCache.cxx:319
Int_t fIdBranch[100]
Definition: TGeoCache.h:64
Int_t GetNodeId() const
Get unique node id.
Definition: TGeoCache.cxx:273
void * GetMatrices() const
Definition: TGeoCache.h:98
Basic string class.
Definition: TString.h:131
Matrix class used for computing global transformations Should NOT be used for node definition...
Definition: TGeoMatrix.h:420
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
TGeoStateInfo * GetMakePWInfo(Int_t nd)
Get the PW info, if none create one.
Definition: TGeoCache.cxx:154
void LocalToMasterBomb(const Double_t *local, Double_t *master) const
Local point converted to master frame defined by current matrix and rescaled with bomb factor...
Definition: TGeoCache.cxx:435
void GetBranchNumbers(Int_t *copyNumbers, Int_t *volumeNumbers) const
Fill copy numbers of current branch nodes.
Definition: TGeoCache.cxx:296
TGeoStateInfo ** fInfoBranch
Definition: TGeoCache.h:73
const Int_t * GetIdBranch() const
Definition: TGeoCache.h:93
void FillIdBranch(const Int_t *br, Int_t startlevel=0)
Definition: TGeoCache.h:92
void LocalToMasterVect(const Double_t *local, Double_t *master) const
Local vector converted to master frame defined by current matrix.
Definition: TGeoCache.cxx:419
#define ClassDef(name, id)
Definition: Rtypes.h:326
TString fPath
Definition: TGeoCache.h:65
Int_t fIdBranch[30]
Definition: TGeoCache.h:31
void CdTop()
Definition: TGeoCache.h:90
TGeoNodeCache & operator=(const TGeoNodeCache &)=delete
Int_t fStart
Definition: TGeoCache.h:30
Special pool of reusable nodes.
Definition: TGeoCache.h:53
Int_t fIndex
Definition: TGeoCache.h:63
Bool_t PopState(Int_t &nmany, Double_t *point=0)
Pop next state/point from heap.
Definition: TGeoCache.cxx:370
Int_t * fNodeIdArray
State info for the parallel world.
Definition: TGeoCache.h:75
TGeoHMatrix ** fMatrixBranch
Definition: TGeoCache.h:36
void ReleaseInfo()
Release last used state info pointer.
Definition: TGeoCache.cxx:336
TGeoHMatrix ** fMPB
Definition: TGeoCache.h:71
TGeoHMatrix ** fMatPtr
Definition: TGeoCache.h:37
Int_t fCapacity
Definition: TGeoCache.h:27
void GetBranchNames(Int_t *names) const
Fill names with current branch volume names (4 char - used by GEANT3 interface).
Definition: TGeoCache.cxx:284
Int_t fLevel
Definition: TGeoCache.h:28
void MasterToLocal(const Double_t *master, Double_t *local) const
Point in master frame defined by current matrix converted to local one.
Definition: TGeoCache.cxx:411
Int_t fGeoCacheStackSize
Definition: TGeoCache.h:57
TGeoNode * GetTopNode() const
Definition: TGeoCache.h:104
Int_t fInfoLevel
Definition: TGeoCache.h:61
virtual ~TGeoCacheState()
Dtor.
Definition: TGeoCache.cxx:549
Int_t fGeoInfoStackSize
Definition: TGeoCache.h:58
const Bool_t kFALSE
Definition: RtypesCore.h:88
TGeoNode * GetNode() const
Definition: TGeoCache.h:103
Bool_t IsDummy() const
Definition: TGeoCache.h:113
TGeoNode * GetMother(Int_t up=1) const
Definition: TGeoCache.h:101
double Double_t
Definition: RtypesCore.h:55
Bool_t GetState(Int_t &level, Int_t &nmany, Double_t *point) const
Restore a modeler state.
Definition: TGeoCache.cxx:591
Double_t fPoint[3]
Definition: TGeoCache.h:32
const char * GetPath()
Returns the current geometry path.
Definition: TGeoCache.cxx:344
Int_t fStackLevel
Definition: TGeoCache.h:60
TGeoNode ** fNodeBranch
Definition: TGeoCache.h:72
TGeoNode * fNode
Definition: TGeoCache.h:67
Int_t PushState(Bool_t ovlp, Int_t ntmany=0, Int_t startlevel=0, Double_t *point=0)
Push current state into heap.
Definition: TGeoCache.cxx:357
void MasterToLocalVect(const Double_t *master, Double_t *local) const
Vector in master frame defined by current matrix converted to local one.
Definition: TGeoCache.cxx:427
TGeoStateInfo * fPWInfo
Definition: TGeoCache.h:74
Mother of all ROOT objects.
Definition: TObject.h:37
Bool_t CdDown(Int_t index)
Make daughter INDEX of current node the active state. Compute global matrix.
Definition: TGeoCache.cxx:202
A node represent a volume positioned inside another.They store links to both volumes and to the TGeoM...
Definition: TGeoNode.h:39
TGeoHMatrix ** fMatrixBranch
Definition: TGeoCache.h:70
Bool_t HasIdArray() const
Definition: TGeoCache.h:112
void MasterToLocalBomb(const Double_t *master, Double_t *local) const
Point in master frame defined by current matrix converted to local one and rescaled with bomb factor...
Definition: TGeoCache.cxx:443
void BuildIdArray()
Builds node id array.
Definition: TGeoCache.cxx:124
void CdNode(Int_t nodeid)
Change current path to point to the node having this id.
Definition: TGeoCache.cxx:165
Class storing the state of the cache at a given moment.
Definition: TGeoCache.h:24
TGeoNode ** fNodeBranch
Definition: TGeoCache.h:35
TGeoNodeCache()
Dummy constructor.
Definition: TGeoCache.cxx:34
Int_t GetStackLevel() const
Definition: TGeoCache.h:110
Bool_t fOverlapping
Definition: TGeoCache.h:33
void * GetBranch() const
Definition: TGeoCache.h:94
void LocalToMaster(const Double_t *local, Double_t *master) const
Local point converted to master frame defined by current matrix.
Definition: TGeoCache.cxx:403
void CdUp()
Make mother of current node the active state.
Definition: TGeoCache.cxx:252
void GetBranchOnlys(Int_t *isonly) const
Fill copy numbers of current branch nodes.
Definition: TGeoCache.cxx:307
TGeoNode * fTop
Definition: TGeoCache.h:66
Int_t fLevel
Definition: TGeoCache.h:59
void SetState(Int_t level, Int_t startlevel, Int_t nmany, Bool_t ovlp, Double_t *point=0)
Fill current modeller state.
Definition: TGeoCache.cxx:564
const Bool_t kTRUE
Definition: RtypesCore.h:87
Int_t fNmany
Definition: TGeoCache.h:29
TGeoCacheState & operator=(const TGeoCacheState &)
assignment operator
Definition: TGeoCache.cxx:522
void BuildInfoBranch()
Builds info branch. Navigation is possible only after this step.
Definition: TGeoCache.cxx:142
Bool_t RestoreState(Int_t &nmany, TGeoCacheState *state, Double_t *point=0)
Pop next state/point from a backed-up state.
Definition: TGeoCache.cxx:393
TGeoHMatrix * GetCurrentMatrix() const
Definition: TGeoCache.h:99
TGeoHMatrix * fMatrix
current node
Definition: TGeoCache.h:68
Int_t GetLevel() const
Definition: TGeoCache.h:108
TGeoHMatrix * GetMotherMatrix(Int_t up=1) const
Definition: TGeoCache.h:102