RTuple Class Reference

#include <RTuple.h>

Inheritance diagram for RTuple:

[legend]Collaboration diagram for RTuple:

[legend]List of all members.

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Detailed Description

A DataSource class implemented with std::vector<double> to store the row data.

Author:

Paul F. Kunz <Paul_Kunz@slac.stanford.edu>

Definition at line 28 of file RTuple.h.

Public Types
typedef void(hippodraw::Observer::*	Action )(const Observable *)
	The member function of the Observer that is called.
typedef std::list< hippodraw::Observer * >	ObserverList_t
	The type of STL container to maintain list of Observer objects.
Public Member Functions
void	addObserver (hippodraw::Observer *)
	Adds an Observer to the Observer list.
virtual void	addRow (const std::vector< double > &v)
	Adds a row to the end of the ntuple.
virtual void	clear ()
	Clears the RTuple.
unsigned int	columns () const
	Returns the number of columns or data arrays available from this DataSource.
virtual void	copy (const DataSource &other)
virtual bool	empty () const
	Returns true, if RTuple is empty, i.e.
virtual bool	fillRange (unsigned int column, Range &) const
	Fills the Range object from data indexed by column.
virtual const std::vector< double > &	getColumn (unsigned int column) const
	Returns the data in the column with index column.
virtual const std::vector< double > &	getColumn (const std::string &name) const
	Returns the data in the column with label name.
virtual const std::string &	getLabelAt (unsigned int index) const
	Returns the label for the column at index index.
virtual const std::vector< std::string > &	getLabels () const
	Returns the list of available labels.
const std::string &	getName () const
	Returns the name of the ntuple.
const ObserverList_t &	getObservers () const
	Returns the list of observers.
unsigned int	getRank () const
	Returns the rank of the data source.
virtual const std::vector< double > &	getRow (unsigned int) const =0
	Returns a const reference to slice along the axis known as a row.
virtual const std::vector< double > &	getRow (unsigned int index) const
	Returns a vector of data elements in one row.
const std::vector< unsigned int > &	getShape () const
	Returns the shape of the data elements.
virtual int	indexOf (const std::string &label) const
	Returns the index of the column whose label is label.
virtual unsigned int	indexOfMaxElement (unsigned int index) const
	Returns row index of the maximum element in a column for the given column.
virtual unsigned int	indexOfMinElement (unsigned int index) const
	Returns row index of the minimum element in a column for the given column.
virtual bool	isMultiDimensional (const std::string &column) const
	Answers if rows of column are composed of the multidimensional data.
bool	isNull () const
	Returns true if the receiving objects is a null object.
bool	isValidLabel (const std::string &label) const
	Returns true if label is a valid label for a column in the DataSource.
virtual void	notifyObservers () const
	Notifies Observer objects of a change.
virtual double	operator[] (std::vector< unsigned int > &indices) const
void	removeObserver (hippodraw::Observer *)
	Removes an Observer from the Observer list.
virtual void	reserve (unsigned int count)
	For each column, reserves enough space for the NTuple to grow to count rows.
virtual unsigned int	rows () const
	Returns the number of rows.
	RTuple (unsigned int n)
	A constructor that creates an ntuple with n columns.
	RTuple (const std::vector< std::string > &labels)
	Constructor taking a vector of column labels as argument.
virtual bool	setLabelAt (const std::string &s, unsigned int index)
	Changes the label of a data column to s.
virtual void	setLabels (const std::vector< std::string > &v)
	Assigns the label to each column from the vector of strings @ v.
void	setName (const std::string &name)
	Sets the name of the ntuple.
virtual bool	setReleventIndex (const std::string &column, const std::vector< unsigned int > &index)
	In case we are dealing with multidimensional data in rows of this column we would like to deal with on one entry of this multidimensional data.
virtual void	setShape (std::vector< unsigned int > &shape)
	Sets the shape of the data elements.
void	setTitle (const std::string &title)
	Sets the title of the ntuple to title.
virtual double	sum (unsigned int column) const
	Returns the sum of all the elements in the sequence of column column.
virtual void	throwIfInvalidLabel (const std::string &label) const
	Throws a DataSourceException object if label is not a valid label for this DataSource.
void	throwIfInvalidRowSize (const std::vector< double > &row)
	Throws a DataSourceException if the size of the row is not equal to the number of columns, otherwise does nothing.
const std::string &	title () const
	Returns a const reference to the title of the ntuple.
virtual double	valueAt (unsigned int row, unsigned int column) const
	Returns the value in the table in position given by the row and column indexes.
virtual	~RTuple ()
	The destructor.
Protected Member Functions
virtual void	addLabel (const std::string &label)
	Adds a new label for a column.
virtual void	copyPrivate (const DataSource &other)
	Copies the contents of the other DataSource.
bool	isValidColumn (unsigned int index) const
	Returns true if index is valid, otherwise throws a DataSourceException.
void	notifyObservers (Action action) const
	An internal method to iterate over all observers and to send the message action.
Protected Attributes
std::vector< double >	m_array
	A temporary array that can be returned by const reference.
std::vector< unsigned int >	m_shape
	The shape of the data.
Private Member Functions
	RTuple (const RTuple &nt)
	The copy constructor creates an ntuple that is a copy of an existing one.
Private Attributes
std::vector< std::vector< double > * >	m_data
	The data rows of the ntuple table.

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Member Typedef Documentation

typedef void( hippodraw::Observer::* Observable::Action)(const Observable *) [inherited]

The member function of the Observer that is called. Definition at line 83 of file Observable.h.

typedef std::list< hippodraw::Observer * > Observable::ObserverList_t [inherited]

The type of STL container to maintain list of Observer objects. Definition at line 46 of file Observable.h.

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Constructor & Destructor Documentation

RTuple::RTuple (  const RTuple &  nt  )  [private]

The copy constructor creates an ntuple that is a copy of an existing one. Definition at line 51 of file RTuple.cxx.

RTuple::RTuple (  const std::vector< std::string > &  labels  )

Constructor taking a vector of column labels as argument. Definition at line 41 of file RTuple.cxx. References m_data, and num_util::size().

RTuple::RTuple (  unsigned int  n  )

A constructor that creates an ntuple with n columns. Creates an RTuple with n columns. The objects will be empty, i.e. 0 rows. Definition at line 57 of file RTuple.cxx. References DataSource::setLabels().

RTuple::~RTuple (   )  [virtual]

The destructor. Definition at line 68 of file RTuple.cxx. References m_data, Observable::notifyObservers(), and hippodraw::Observer::willDelete().

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Member Function Documentation

void DataSource::addLabel (  const std::string &  label  )  [protected, virtual, inherited]

Adds a new label for a column. Definition at line 150 of file DataSource.cxx. References DataSource::m_labels. Referenced by NumArrayTuple::addColumn(), NTuple::addColumn(), ListTuple::addColumn(), RootNTuple::addColumn(), and FitsNTuple::addColumn().

void Observable::addObserver (  hippodraw::Observer *   )  [inherited]

Adds an Observer to the Observer list. Definition at line 49 of file Observable.cxx. References Observable::m_list. Referenced by CutPlotter::addCutTarget(), XyPlotter::addDataRep(), FunctionRep::FunctionRep(), BinningProjector::normalizeTo(), DataRepController::setAxisBindings(), DisplayController::setNTuple(), CutPlotter::setNTuple(), and TextPlotter::setParentDataRep().

void RTuple::addRow (  const std::vector< double > &  v  )  [virtual]

Adds a row to the end of the ntuple. If the size of the input vector is the same as the width of the ntuple, adds the row to the end of the ntuple. It also notifies its Observer objects and returns true. Otherwise, throws a DataSourceException object. Implements DataSource. Definition at line 129 of file RTuple.cxx. References m_data, Observable::notifyObservers(), and DataSource::throwIfInvalidRowSize().

void RTuple::clear (   )  [virtual]

Clears the RTuple. Clears all the data elements of the RTuple. Does not change the other attributes or capacity. Implements DataSource. Definition at line 103 of file RTuple.cxx. References m_data. Referenced by copy().

unsigned int DataSource::columns (   )  const [inline, inherited]

Returns the number of columns or data arrays available from this DataSource. Note: This function was selected to be in line sine it contributes heavily in time for addRow member function. Definition at line 332 of file DataSource.h. References DataSource::m_labels. Referenced by PyDataSource::addColumn(), ProfileProjector::changedNTuple(), Profile2DProjector::changedNTuple(), MapMatrixProjector::changedNTuple(), Map3Projector::changedNTuple(), Map2Projector::changedNTuple(), Map1Projector::changedNTuple(), DyHist2DProjector::changedNTuple(), DyHist1DProjector::changedNTuple(), QtRootNTuple::columns(), PyDataSource::columns(), NTupleSorter::columns(), NTuple::copy(), NTupleXML::createChildren(), NTupleProjector::dataRange(), NTupleProjector::dataRangeWithError(), hippodraw::Python::export_CircularBuffer(), hippodraw::Python::export_DataSource(), DataSource::fillRange(), NTuple::getColumn(), NTupleProjector::getNTupleAfterCuts(), NumArrayTuple::getNumArray(), NTupleProjector::getPos(), NTupleProjector::getPosWithError(), NTuple::getRow(), DataSource::indexOfMaxElement(), DataSource::indexOfMinElement(), DataSource::isValidColumn(), operator[](), NumArrayTuple::replaceColumn(), NTuple::replaceColumn(), ListTuple::replaceColumn(), RootNTuple::replaceColumn(), FitsNTuple::replaceColumn(), NTuple::setLabels(), DataSource::sum(), and DataSource::throwIfInvalidRowSize().

void RTuple::copy (  const DataSource &  other  )  [virtual]

Definition at line 79 of file RTuple.cxx. References clear(), DataSource::copyPrivate(), DataSource::getRow(), m_data, DataSource::rows(), and num_util::size().

void DataSource::copyPrivate (  const DataSource &  other  )  [protected, virtual, inherited]

Copies the contents of the other DataSource. For use by derived classes only. Definition at line 110 of file DataSource.cxx. References DataSource::m_ds_name, DataSource::m_is_null, DataSource::m_labels, DataSource::m_shape, and DataSource::m_title. Referenced by copy(), and NTuple::copy().

bool RTuple::empty (   )  const [virtual]

Returns true, if RTuple is empty, i.e. has no rows. Implements DataSource. Definition at line 115 of file RTuple.cxx. References m_data.

bool DataSource::fillRange (  unsigned int  column, Range &  )  const [virtual, inherited]

Fills the Range object from data indexed by column. Returns true if all the data in the column was valid, otherwise returns false. Invalid data is +/- HUGE_VAL or NAN. Invalid data is not used in setting the range. Reimplemented in NTuple, and FitsNTuple. Definition at line 323 of file DataSource.cxx. References DataSource::columns(), std::max(), std::min(), DataSource::rows(), Range::setRange(), num_util::size(), and DataSource::valueAt().

const vector< double > & DataSource::getColumn (  unsigned int  column  )  const [virtual, inherited]

Returns the data in the column with index column. Reimplemented in NTuple, RootNTuple, QtRootNTuple, and RootNTuple. Definition at line 221 of file DataSource.cxx. References DataSource::isValidColumn(), DataSource::m_array, DataSource::rows(), num_util::size(), and DataSource::valueAt().

const vector< double > & DataSource::getColumn (  const std::string &  name  )  const [virtual, inherited]

Returns the data in the column with label name. Reimplemented in NTuple, RootNTuple, QtRootNTuple, and RootNTuple. Definition at line 236 of file DataSource.cxx. References DataSource::indexOf(). Referenced by PyDataSource::columnAsNumArray(), NTupleXML::createChildren2D(), hippodraw::Python::export_DataSource(), and PyDataSource::getColumn().

const string & DataSource::getLabelAt (  unsigned int  index  )  const [virtual, inherited]

Returns the label for the column at index index. Returns the label for the column at index index, or throws a DataSourceException if index is out of range. Definition at line 175 of file DataSource.cxx. References DataSource::isNull(), DataSource::m_labels, and DataSource::title(). Referenced by NTupleXML::createChildren2D(), hippodraw::Python::export_ListTuple(), hippodraw::Python::export_NTuple(), hippodraw::Python::export_NumArrayTuple(), NTupleProjector::getAxisBindings(), NTupleProjector::getXLabel(), NTupleProjector::getYLabel(), Map1Projector::getYLabel(), Profile2DProjector::getZLabel(), MapMatrixProjector::getZLabel(), and Map3Projector::getZLabel().

const vector< string > & DataSource::getLabels (   )  const [virtual, inherited]

Returns the list of available labels. Reimplemented in QtRootNTuple. Definition at line 168 of file DataSource.cxx. References DataSource::m_labels. Referenced by Inspector::availPlotTypesActivated(), hippodraw::Python::export_DataSource(), DisplayController::getDataSourceLabels(), QtRootNTuple::getLabels(), PyDataSource::getLabels(), NTupleProjector::getNTupleAfterCuts(), PyDataSource::replaceColumn(), RootNTuple::smartExpandRootNTuple(), Inspector::updateCutVarGroupBox(), and NTupleController::writeNTupleToFile().

const string & DataSource::getName (   )  const [inherited]

Returns the name of the ntuple. See also: m_ds_name. Definition at line 132 of file DataSource.cxx. References DataSource::m_ds_name. Referenced by HiNTupleXML::createElement(), NTupleProjector::getNTupleName(), DataSourceController::registerNTuple(), NTupleController::saveNTuples(), and NTupleXML::setAttributes().

const Observable::ObserverList_t & Observable::getObservers (   )  const [inherited]

Returns the list of observers. Definition at line 57 of file Observable.cxx. References Observable::m_list.

unsigned int DataSource::getRank (   )  const [inherited]

Returns the rank of the data source. Returns the number of axes of the data source, i.e the rank. Reimplemented in FitsNTuple, RootNTuple, NumArrayTuple, ListTuple, and RootNTuple. Definition at line 316 of file DataSource.cxx. References DataSource::m_shape. Referenced by operator[](), and NTuple::operator[]().

virtual const std::vector< double >& DataSource::getRow (  unsigned  int  )  const [pure virtual, inherited]

Returns a const reference to slice along the axis known as a row. Referenced by copy(), NTuple::copy(), and NTupleController::writeNTupleToFile().

const std::vector< double > & RTuple::getRow (  unsigned int  index  )  const [virtual]

Returns a vector of data elements in one row. Returns a vector with data elements copied from the RTuple row indexed by index. If index is out of range, throws a DataSourceException object. Definition at line 139 of file RTuple.cxx. References m_data.

const vector< unsigned int > & DataSource::getShape (   )  const [inherited]

Returns the shape of the data elements. Reimplemented in FitsNTuple, RootNTuple, NumArrayTuple, ListTuple, and RootNTuple. Definition at line 310 of file DataSource.cxx. References DataSource::m_shape.

int DataSource::indexOf (  const std::string &  label  )  const [virtual, inherited]

Returns the index of the column whose label is label. Returns the index of the data column whose label is label, or -1 if label does not exist. Definition at line 189 of file DataSource.cxx. References std::find(), and DataSource::m_labels. Referenced by NumArrayTuple::addColumn(), NTuple::addColumn(), ListTuple::addColumn(), RootNTuple::addColumn(), FitsNTuple::addColumn(), NTuple::getColumn(), RootNTuple::getColumn(), DataSource::getColumn(), NumArrayTuple::getNumArray(), RootNTuple::getTBranch(), NTupleProjector::indexOf(), RootNTuple::isMultiDimensional(), NumArrayTuple::replaceColumn(), NTuple::replaceColumn(), ListTuple::replaceColumn(), RootNTuple::replaceColumn(), FitsNTuple::replaceColumn(), RootNTuple::rowDataDimSize(), NTupleProjector::setAxisBinding(), RootNTuple::setReleventIndex(), RootNTuple::smartExpandRootNTuple(), and QtRootNTuple::valueAt().

unsigned int DataSource::indexOfMaxElement (  unsigned int  index  )  const [virtual, inherited]

Returns row index of the maximum element in a column for the given column. Reimplemented in NTuple. Definition at line 377 of file DataSource.cxx. References DataSource::columns(), DataSource::rows(), num_util::size(), and DataSource::valueAt().

unsigned int DataSource::indexOfMinElement (  unsigned int  index  )  const [virtual, inherited]

Returns row index of the minimum element in a column for the given column. Reimplemented in NTuple. Definition at line 398 of file DataSource.cxx. References DataSource::columns(), DataSource::rows(), num_util::size(), and DataSource::valueAt().

bool DataSource::isMultiDimensional (  const std::string &  column  )  const [virtual, inherited]

Answers if rows of column are composed of the multidimensional data. Reimplemented in RootNTuple, QtRootNTuple, and RootNTuple. Definition at line 359 of file DataSource.cxx.

bool DataSource::isNull (   )  const [inherited]

Returns true if the receiving objects is a null object. See also: DataSource( bool ). Definition at line 121 of file DataSource.cxx. References DataSource::m_is_null. Referenced by ProfileProjector::execute(), Profile2DProjector::execute(), DataSource::getLabelAt(), NTupleProjector::NTupleProjector(), NTupleProjector::setNTuple(), and NTupleProjector::~NTupleProjector().

bool DataSource::isValidColumn (  unsigned int  index  )  const [protected, inherited]

Returns true if index is valid, otherwise throws a DataSourceException. Definition at line 208 of file DataSource.cxx. References DataSource::columns(), and num_util::size(). Referenced by NTuple::getColumn(), and DataSource::getColumn().

bool DataSource::isValidLabel (  const std::string &  label  )  const [inherited]

Returns true if label is a valid label for a column in the DataSource. The search is case sensitive. If the label is not found, returns false. Definition at line 250 of file DataSource.cxx. References std::find(), and DataSource::m_labels. Referenced by DataSource::throwIfInvalidLabel().

void Observable::notifyObservers (  Action  action  )  const [protected, inherited]

An internal method to iterate over all observers and to send the message action. Definition at line 69 of file Observable.cxx. References std::bind2nd(), std::for_each(), Observable::m_list, and std::mem_fun().

void Observable::notifyObservers (   )  const [virtual, inherited]

Notifies Observer objects of a change. If interval counting is disabled, then Observer::Update is sent immediately. If interval counting is enabled, then the current count is incremented. If the current count is equal to the interval count, then the Observer::update message is sent and the current count reset to 0. Reimplemented in NTuple, FitsNTuple, RootNTuple, NumArrayTuple, ListTuple, and RootNTuple. Definition at line 90 of file Observable.cxx. References hippodraw::Observer::update(). Referenced by XyPlotter::addDataRep(), XyPlotter::addDataRepStacked(), FunctionController::addFunctionRep(), addRow(), StHist2DProjector::addValues(), StHist1DProjector::addValues(), XyPlotter::autoScale(), Inspector::contourLevelsTextBox_returnPressed(), Inspector::contourSlider_valueChanged(), Inspector::contourTextBox_returnPressed(), FunctionRep::fitFunction(), NumArrayTuple::notifyObservers(), NTuple::notifyObservers(), ListTuple::notifyObservers(), RootNTuple::notifyObservers(), FitsNTuple::notifyObservers(), XyPlotter::removeDataRep(), FunctionRep::restoreParameters(), CutPlotter::setActive(), XyPlotter::setAutoRanging(), QtDisplay::setContourLevels(), CutPlotter::setCutColor(), XyPlotter::setCutEnabled(), XyPlotter::setCutInverted(), XyPlotter::setCutRangeAt(), ProjectorBase::setDirty(), DataRep::setErrorDisplay(), XyPlotter::setHighRange(), XyPlotter::setLabel(), PlotterBase::setLabel(), DataSource::setLabelAt(), DataSource::setLabels(), XyPlotter::setLowRange(), DataSource::setName(), DisplayController::setNTuple(), FunctionRep::setParameters(), DataRep::setRepColor(), DyHistogram::setRepresentation(), DataRep::setRepresentation(), DataRep::setRepSize(), DataRep::setRepStyle(), XyPlotter::setScaling(), PlotterBase::setTitle(), DataSource::setTitle(), XyPlotter::setTransform(), XyPlotter::setValueRep(), PlotterBase::update(), NTupleProjector::update(), DataRep::update(), CutPlotter::update(), BinningProjector::update(), CutPlotter::updateTargets(), DataRep::~DataRep(), DataSource::~DataSource(), NTuple::~NTuple(), and ~RTuple().

double RTuple::operator[] (  std::vector< unsigned int > &  indices  )  const [virtual]

Implements DataSource. Definition at line 151 of file RTuple.cxx. References DataSource::columns(), DataSource::getRank(), m_data, DataSource::m_shape, num_util::rank(), and num_util::size().

void Observable::removeObserver (  hippodraw::Observer *   )  [inherited]

Removes an Observer from the Observer list. Definition at line 63 of file Observable.cxx. References Observable::m_list. Referenced by BinningProjector::normalizeTo(), CutPlotter::removeFromTarget(), DisplayController::removeTextObservers(), NTupleProjector::setNTuple(), FunctionRep::willDelete(), FunctionRep::~FunctionRep(), and NTupleProjector::~NTupleProjector().

void RTuple::reserve (  unsigned int  count  )  [virtual]

For each column, reserves enough space for the NTuple to grow to count rows. Implements DataSource. Definition at line 198 of file RTuple.cxx. References m_data.

unsigned int RTuple::rows (   )  const [virtual]

Returns the number of rows. Implements DataSource. Definition at line 122 of file RTuple.cxx. References m_data.

bool DataSource::setLabelAt (  const std::string &  s, unsigned int  index )  [virtual, inherited]

Changes the label of a data column to s. Parameters: s  the new label. index  the column number starting at zero. Returns: true if index is less than the width of the ntuple; otherwise, it does nothing and returns false. Definition at line 157 of file DataSource.cxx. References DataSource::m_labels, and Observable::notifyObservers().

void DataSource::setLabels (  const std::vector< std::string > &  v  )  [virtual, inherited]

Assigns the label to each column from the vector of strings @ v. Reimplemented in NTuple. Definition at line 289 of file DataSource.cxx. References DataSource::m_labels, and Observable::notifyObservers(). Referenced by hippodraw::Python::export_ListTuple(), hippodraw::Python::export_NumArrayTuple(), RTuple(), and NTuple::setLabels().

void DataSource::setName (  const std::string &  name  )  [inherited]

Sets the name of the ntuple. See also: m_ds_name. Definition at line 126 of file DataSource.cxx. References DataSource::m_ds_name, and Observable::notifyObservers(). Referenced by NTupleController::createNTuple(), hippodraw::Python::export_DataSource(), PyDataSource::registerNTuple(), DataSourceController::registerNTuple(), and PyDataSource::setName().

bool DataSource::setReleventIndex (  const std::string &  column, const std::vector< unsigned int > &  index )  [virtual, inherited]

In case we are dealing with multidimensional data in rows of this column we would like to deal with on one entry of this multidimensional data. So here we set index of this relevant entry. Reimplemented in RootNTuple, and RootNTuple. Definition at line 366 of file DataSource.cxx.

void DataSource::setShape (  std::vector< unsigned int > &  shape  )  [virtual, inherited]

Sets the shape of the data elements. Sets the shape data elements from the vector shape. The rank is given by the size of the vector. A rank of 2 correspond to table. If the total number of elements in the DataSource is not equal to the product of the shape, then an assertion is raised. Reimplemented in FitsNTuple, RootNTuple, NumArrayTuple, ListTuple, and RootNTuple. Definition at line 298 of file DataSource.cxx. References DataSource::m_shape, and num_util::size().

void DataSource::setTitle (  const std::string &  title  )  [inherited]

Sets the title of the ntuple to title. Definition at line 142 of file DataSource.cxx. References DataSource::m_title, and Observable::notifyObservers(). Referenced by hippodraw::Python::export_DataSource(), NTupleController::readAsciiNTuple(), and PyDataSource::setTitle().

double DataSource::sum (  unsigned int  column  )  const [virtual, inherited]

Returns the sum of all the elements in the sequence of column column. Reimplemented in NTuple. Definition at line 419 of file DataSource.cxx. References DataSource::columns(), DataSource::rows(), num_util::size(), and DataSource::valueAt().

void DataSource::throwIfInvalidLabel (  const std::string &  label  )  const [virtual, inherited]

Throws a DataSourceException object if label is not a valid label for this DataSource. The exception object contains a message that the label is invalid. Derived classes may over-ride this method with more information on why the label is invalid. Definition at line 264 of file DataSource.cxx. References DataSource::isValidLabel(). Referenced by NTuple::getColumn(), RootNTuple::getColumn(), and QtRootNTuple::valueAt().

void DataSource::throwIfInvalidRowSize (  const std::vector< double > &  row  )  [inherited]

Throws a DataSourceException if the size of the row is not equal to the number of columns, otherwise does nothing. Definition at line 277 of file DataSource.cxx. References DataSource::columns(), and num_util::size(). Referenced by addRow(), NTuple::addRow(), and NTuple::replaceRow().

const string & DataSource::title (   )  const [inherited]

Returns a const reference to the title of the ntuple. Definition at line 137 of file DataSource.cxx. References DataSource::m_title. Referenced by hippodraw::Python::export_DataSource(), DataSource::getLabelAt(), PyDataSource::getTitle(), NTupleProjector::getTitle(), and NTupleController::writeNTupleToFile().

double RTuple::valueAt (  unsigned int  row, unsigned int  column )  const [virtual]

Returns the value in the table in position given by the row and column indexes. Implements DataSource. Definition at line 191 of file RTuple.cxx. References m_data.

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Member Data Documentation

std::vector< double > DataSource::m_array [mutable, protected, inherited]

A temporary array that can be returned by const reference. Definition at line 81 of file DataSource.h. Referenced by DataSource::getColumn(), RootNTuple::getRow(), and FitsNTuple::getRow().

std::vector< std::vector<double> *> RTuple::m_data [private]

The data rows of the ntuple table. Note that the pointer to the rowss is used so that when rows are added, the row data doesn't need to be relocated. Definition at line 37 of file RTuple.h. Referenced by addRow(), clear(), copy(), empty(), getRow(), operator[](), reserve(), rows(), RTuple(), valueAt(), and ~RTuple().

std::vector< unsigned int > DataSource::m_shape [protected, inherited]

The shape of the data. The elements the DataSource can have an arbitrary number of dimensions, called rank. An ordinary table has rank of 2 and the shape is number of columns and number of rows. That is m_shape[0] is number of columns and m_share[1] is number of rows. Definition at line 89 of file DataSource.h. Referenced by DataSource::copyPrivate(), NumArrayTuple::getRank(), ListTuple::getRank(), RootNTuple::getRank(), FitsNTuple::getRank(), DataSource::getRank(), NumArrayTuple::getShape(), ListTuple::getShape(), RootNTuple::getShape(), FitsNTuple::getShape(), DataSource::getShape(), operator[](), NTuple::operator[](), NumArrayTuple::setShape(), ListTuple::setShape(), RootNTuple::setShape(), FitsNTuple::setShape(), and DataSource::setShape().

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The documentation for this class was generated from the following files:

• RTuple.h
• RTuple.cxx

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