ATLAS Offline Software
Loading...
Searching...
No Matches
MatrixNtupleBranch.h
Go to the documentation of this file.
1/*
2 Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
3*/
4
5#ifndef TRK_MATRIXNTUPLEBRANCH_H
6#define TRK_MATRIXNTUPLEBRANCH_H
7
8
9
10#include "EventPrimitives/EventPrimitives.h"
11#include "CLHEP/Geometry/Transform3D.h"
12#include <string_view>
13class TTree;
14namespace Trk {
15
32
33 struct MatrixNtupleBranch {
34
36 bool initForWrite(TTree& tree, std::string_view varname, int ncol, int nrow, std::string_view prefix = "" );
37
39 bool initForRead(TTree& tree, std::string_view varname, int ncol, int nrow, std::string_view prefix = "" );
40
42 bool fill( const Amg::MatrixX& matrix );
43
45 bool fill( const HepGeom::Rotate3D& matrix );
46
48 static const int COLMAX = 10;
49 static const int ROWMAX = 10;
50 int m_nrows{-1};
51 int m_ncols{-1};
52 float m_matrix[COLMAX][ROWMAX]{};
53 };
54
55}
56
57#endif
Amg::MatrixX
Eigen::Matrix< double, Eigen::Dynamic, Eigen::Dynamic > MatrixX
Dynamic Matrix - dynamic allocation.
Definition EventPrimitives.h:27
Trk
Ensure that the ATLAS eigen extensions are properly loaded.
Definition FakeTrackBuilder.h:9
Trk::MatrixNtupleBranch
This class provides a simple interface to write Matricis to a root tree The size of the Matrix cannot...
Definition MatrixNtupleBranch.h:33
Trk::MatrixNtupleBranch::initForRead
bool initForRead(TTree &tree, std::string_view varname, int ncol, int nrow, std::string_view prefix="")
initialize class for reading
Definition MatrixNtupleBranch.cxx:27
Trk::MatrixNtupleBranch::fill
bool fill(const Amg::MatrixX &matrix)
fill a vector
Definition MatrixNtupleBranch.cxx:44
Trk::MatrixNtupleBranch::COLMAX
static const int COLMAX
data
Definition MatrixNtupleBranch.h:48
Trk::MatrixNtupleBranch::initForWrite
bool initForWrite(TTree &tree, std::string_view varname, int ncol, int nrow, std::string_view prefix="")
initialize class for writing
Definition MatrixNtupleBranch.cxx:10
Trk::MatrixNtupleBranch::m_matrix
float m_matrix[COLMAX][ROWMAX]
Definition MatrixNtupleBranch.h:52
tree
TChain * tree
Definition tile_monitor.h:30
Generated on for ATLAS Offline Software by doxygen 1.17.0