TGeoNodeArray

class description - source file - inheritance tree

class TGeoNodeArray : public TObject


    public:

          TGeoNodeArray TGeoNodeArray()
          TGeoNodeArray TGeoNodeArray(Int_t ndaughters, Int_t size = 0)
          TGeoNodeArray TGeoNodeArray(const TGeoNodeArray&)
           virtual void ~TGeoNodeArray()
          virtual Int_t AddDaughter(TGeoNode* node, Int_t i)
          virtual Int_t AddMatrix(TGeoMatrix* global)
          virtual Int_t AddNode(TGeoNode* node)
           virtual void cd(Int_t inode)
         static TClass* Class()
           virtual void ClearDaughter(Int_t ind)
           virtual void ClearMatrix()
           virtual void ClearNode()
           virtual void Compact()
                   void DeleteArray()
          virtual Int_t GetDaughter(Int_t ind) const
          virtual Int_t GetMatrixInd() const
          virtual Int_t GetNdaughters() const
      virtual TGeoNode* GetNode() const
                  Int_t GetNused() const
                  Int_t GetSize() const
          virtual Int_t GetUsageCount() const
         virtual Bool_t HasDaughters() const
           virtual void IncreaseArray()
           virtual void IncrementUsageCount()
        virtual TClass* IsA() const
         virtual Bool_t IsPersistent() const
           virtual void SetMatrix(Int_t mind)
           virtual void SetPersistency(Bool_t flag = kTRUE)
           virtual void ShowMembers(TMemberInspector& insp, char* parent)
           virtual void Streamer(TBuffer& b)
                   void StreamerNVirtual(TBuffer& b)

Data Members

    private:

       Int_t fNodeSize    size of a node in bytes
       Int_t fNdaughters  number of daughters for nodes in this array
      Int_t* fOffset      [fSize*fNodeSize] offset of the current node
      Int_t* fArray       array of nodes

    protected:

       Int_t fSize       number of nodes stored in array
       Int_t fFirstFree  index of first free location
       Int_t fCurrent    index of current node
       Int_t fNused      number of used nodes
      TBits* fBitsArray  occupancy flags

    public:

      static const Int_t kGeoArrayMaxSize   maximum cache size
      static const Int_t kGeoArrayInitSize  initial cache size
      static const Int_t kGeoReleasedSpace  default number of nodes released on cleaning

See also

TGeoNodeObjArray

Class Description

 Physical tree description.





/*

*/
TGeoNodeArray() 
 dummy ctor
TGeoNodeArray(Int_t ndaughters, Int_t size) 
 default constructor
~TGeoNodeArray() 
 destructor
   DeleteArray();
Int_t AddDaughter(TGeoNode *node, Int_t i) 
--- Add node as i-th daughter of current node of this array
Int_t AddMatrix(TGeoMatrix *global) 
 Adds a global matrix to the current node in this array
void Compact() 
 compact the array
void DeleteArray()
Int_t AddNode(TGeoNode *node) 
 Add node in the node array. The number of daughters
 MUST be equal to fNdaughters (no check for speed reasons)
 It does not check if node is already in the cache. This is
 done by AddDaughter
 first compute the offset of the first free location
void ClearDaughter(Int_t ind) 
 clear the daughter ind from the list of the current node. Send the
 signal back to TGeoNodeCache, that proceeds with dispatching the
 clear signal for all the branch
void ClearMatrix() 
 clears the global matrix of this node from matrix cache
void ClearNode() 
 clear the current node. All branch from this point downwords
 will be deleted
 remember the current node
Bool_t HasDaughters() const
void IncreaseArray() 
 Doubles the array size unless maximum cache limit is reached or
 global cache limit is reached. In this case forces the cache
 manager to do the garbage collection.
   printf("Increasing array %in", fNdaughters);
Bool_t IsPersistent() const 
 returns persistency flag of the node
void SetPersistency(Bool_t flag)



Inline Functions

                 void cd(Int_t inode)
                Int_t GetDaughter(Int_t ind) const
                Int_t GetMatrixInd() const
                Int_t GetNdaughters() const
            TGeoNode* GetNode() const
                Int_t GetNused() const
                Int_t GetSize() const
                Int_t GetUsageCount() const
                 void IncrementUsageCount()
                 void SetMatrix(Int_t mind)
              TClass* Class()
              TClass* IsA() const
                 void ShowMembers(TMemberInspector& insp, char* parent)
                 void Streamer(TBuffer& b)
                 void StreamerNVirtual(TBuffer& b)
        TGeoNodeArray TGeoNodeArray(const TGeoNodeArray&)

Author: Andrei Gheata 18/03/02
Last update: root/geom:$Name: $:$Id: TGeoCache.cxx,v 1.18 2003/03/14 11:49:02 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *

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