JROOT::JBinsMap Class Reference

Class for I/O of variable-width binning of multiple histograms. More...

#include <JBinsMap.hh>

Inheritance diagram for JROOT::JBinsMap:

Public Types
typedef std::map< std::string, std::map< char, std::vector< double > > >	map_type
typedef map_type::mapped_type	mapped_type
typedef map_type::value_type	value_type
typedef map_type::iterator	iterator
typedef map_type::reverse_iterator	reverse_iterator
typedef map_type::const_iterator	const_iterator
typedef map_type::const_reverse_iterator	const_reverse_iterator

Public Member Functions
template<class T >
std::unique_ptr< T >	getHistogram (const std::string &name) const
	Get histogram with binning corresponding to a given histogram name.

Static Private Attributes
static const char	SEPARATOR = ':'
	Separator for axis label.

Friends
std::istream &	operator>> (std::istream &in, JBinsMap &binning)
	Read binning from stream.
std::ostream &	operator<< (std::ostream &out, const JBinsMap &binning)
	Write binning to output.

Detailed Description

Class for I/O of variable-width binning of multiple histograms.

Definition at line 40 of file JBinsMap.hh.

Member Typedef Documentation

map_type

std::map<std::string, std::map<char, std::vector<double> > > JROOT::JBinsMap::map_type

Definition at line 45 of file JBinsMap.hh.

mapped_type

map_type::mapped_type JROOT::JBinsMap::mapped_type

Definition at line 47 of file JBinsMap.hh.

value_type

map_type::value_type JROOT::JBinsMap::value_type

Definition at line 48 of file JBinsMap.hh.

iterator

map_type::iterator JROOT::JBinsMap::iterator

Definition at line 50 of file JBinsMap.hh.

reverse_iterator

map_type::reverse_iterator JROOT::JBinsMap::reverse_iterator

Definition at line 51 of file JBinsMap.hh.

const_iterator

map_type::const_iterator JROOT::JBinsMap::const_iterator

Definition at line 53 of file JBinsMap.hh.

const_reverse_iterator

map_type::const_reverse_iterator JROOT::JBinsMap::const_reverse_iterator

Definition at line 54 of file JBinsMap.hh.

Member Function Documentation

getHistogram()

template<class T >

std::unique_ptr< T > JROOT::JBinsMap::getHistogram ( const std::string & name ) const

inline

Get histogram with binning corresponding to a given histogram name.

Parameters

name	histogram name

Returns

pointer to 1D histogram

Definition at line 64 of file JBinsMap.hh.

    {
      static const JBinsMapHelper<T> getHistogram(*this);
 
      return getHistogram(name);
    }

Friends And Related Symbol Documentation

operator>>

std::istream & operator>> ( std::istream & in, JBinsMap & binning )

friend

Read binning from stream.

Parameters

in	input stream

Returns

input stream

Definition at line 78 of file JBinsMap.hh.

    {
      using namespace std;
      using namespace JPP;
 
      JStringStream is(in);
 
      if (getFileStatus(is.str().c_str())) {
        is.load();
      }
 
      for (string name; is >> name; ) {
 
        if (name.back() == SEPARATOR) { name.pop_back(); }
 
        mapped_type binsMap;
        
        for (char axis; is >> axis; ) {
 
          if (axis != 'x' &&
              axis != 'X' &&
              axis != 'y' &&
              axis != 'Y' &&
              axis != 'z' &&
              axis != 'Z') {
            is.clear();
            is.seekg(-1, ios::cur);         
            break;
          }
 
          axis = char(tolower(axis));
      
          if (is.peek() == (int) SEPARATOR) { is.ignore(); }
        
          vector<double> bins;
          
          for (double value; is >> value; ) {
            
            vector<double>::const_iterator i = std::lower_bound(bins.cbegin(), bins.cend(), value);
            
            if (i == bins.cend() || *i != value) {
              bins.insert(i, value);
            }
          }
 
          binsMap.insert(make_pair(axis, bins));
 
          is.clear();
        }
 
        binning.insert(make_pair(name, binsMap));
      }
 
      return in;
    }

operator<<

std::ostream & operator<< ( std::ostream & out, const JBinsMap & binning )

friend

Write binning to output.

Parameters

out	output stream

Returns

output stream

Definition at line 141 of file JBinsMap.hh.

    {
      using namespace std;
      
      for (const_iterator i = binning.begin(); i != binning.end(); ++i) {
 
        out << i->first << SEPARATOR << endl;
        
        for (typename mapped_type::const_iterator j = i->second.begin(); j != i->second.end(); ++j) {
 
          out << j->first << SEPARATOR;
 
          for (vector<double>::const_iterator k = j->second.begin(); k != j->second.end(); ++k) {
            out << ' ' << *k;
          }
 
          out << endl;
        }
 
        out << endl;
      }
 
      return out;
    }

Member Data Documentation

SEPARATOR

const char JROOT::JBinsMap::SEPARATOR = ':'

staticprivate

Separator for axis label.

Definition at line 168 of file JBinsMap.hh.

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

• JBinsMap.hh