evf::AsciiHisto Class Reference

#include <AsciiHisto.h>

Public Member Functions
	AsciiHisto (std::string title, unsigned int nbins, float min, float max)
std::string &	draw ()
void	fill (float x)
void	fill (float *cont)
void	fillDeque (std::deque< float > &cont)
int	maxbin ()

Private Attributes
float	binsize_
std::vector< float >	cont_
std::string	current_
unsigned int	nbins_
std::string	title_
bool	uptodate_
float	xmax_
float	xmin_
float	ymax_
float	ymin_

Detailed Description

Definition at line 14 of file AsciiHisto.h.

Constructor & Destructor Documentation

evf::AsciiHisto::AsciiHisto ( std::string  title, unsigned int  nbins, float  min, float  max  )

inline

Definition at line 17 of file AsciiHisto.h.

References binsize_, nbins_, xmax_, and xmin_.

                                                                         : 
      uptodate_(false),  
      nbins_(nbins), xmin_(min), xmax_(max), ymax_(-100000.), cont_(nbins_,0), title_(title)
    {
      float span = xmax_-xmin_;
      binsize_ = span/nbins_;
    }

Member Function Documentation

std::string& evf::AsciiHisto::draw ( )

inline

Definition at line 56 of file AsciiHisto.h.

References binsize_, cont_, current_, i, j, maxbin(), nbins_, title_, uptodate_, xmin_, and ymax_.

Referenced by evf::AsciiRollingChart::draw(), and Vispa.Gui.PortConnection.PointToPointConnection::paintEvent().

    {
      if(uptodate_) return current_;
      maxbin();
      float yscale = (ymax_*1.2) /20.;
      std::ostringstream ost;
      ost << "         ^"; 
      ost << std::setw(nbins_-title_.size()) << " ";                
      ost << title_ << std::endl;
      //      std::cout << "         ^" <<  "                " << title_ << std::endl;
      for(int j = 20; j>=0; j--)
    {
      //      std::cout << "--------------> "<< j << std::endl;
      if(j%5==0){
        ost << std::setw(8) << yscale*j << "-|";
        //      std::cout << std::setw(8) << yscale*j << "-|";
      }
      else{
        ost << "         |";
        //      std::cout  << "         |";
      }
      for(unsigned int i = 0; i < nbins_+5; i++)
        {
          if(j==0) {ost << "-"; /*std::cout << "-";*/}
          else
        {
          if(i<nbins_ && cont_[i] > yscale*j) 
            {ost << "*"; /*std::cout << "*";*/}
          else
            {ost << " "; /*std::cout << " ";*/}
        }
        }
      if(j==0){ost << ">"; /*std::cout << ">";*/}
      ost << std::endl;
      //      std::cout << std::endl;
    }
      ost << "         ";
      //      std::cout  << "         ";

      for(unsigned int i = 0; i < nbins_+5; i++)
    {
      if(i%10==0)
        {ost << "|"; /*std::cout << "|";*/}
      else
        {ost << " "; /*std::cout << " ";*/}
    }
      ost << std::endl;
      //      std::cout << std::endl;
      ost << std::setw(10) << xmin_ ;
      //      std::cout << std::setw(10) << xmin_; 
      for(unsigned int i = 0; i < nbins_+5; i++)
    if((i+3)%10==0){ost << std::setw(10) << xmin_+binsize_*(i+3); 
      //      std::cout << std::setw(10) << xmin_+binsize_*(i+3); 
    }
      ost << std::endl;
      //      std::cout << std::endl;
      
      current_ = ost.str();
      return current_;
    }

void evf::AsciiHisto::fill ( float  x )

inline

Definition at line 25 of file AsciiHisto.h.

References newFWLiteAna::bin, binsize_, cont_, uptodate_, and xmin_.

    {
      uptodate_ = false;
      int bin = (x-xmin_)/binsize_;
      cont_[bin]++;
    }

void evf::AsciiHisto::fill ( float *  cont )

inline

Definition at line 31 of file AsciiHisto.h.

References cont_, i, and uptodate_.

    {
      uptodate_ = false;
      for(unsigned int i = 0; i < cont_.size(); i++)
    cont_[i] = cont[i];
    }

void evf::AsciiHisto::fillDeque ( std::deque< float > &  cont )

inline

Definition at line 38 of file AsciiHisto.h.

References cont_, i, and uptodate_.

Referenced by evf::AsciiRollingChart::flip().

    {
      uptodate_ = false;
      for(unsigned int i = 0; i < cont_.size(); i++)
    cont_[i] = cont.at(i);
    }

int evf::AsciiHisto::maxbin ( )

inline

Definition at line 45 of file AsciiHisto.h.

References cont_, i, nbins_, and ymax_.

Referenced by draw().

    {
      int retval = -1;
      ymax_ = -100000.;
      for(unsigned int i = 0; i < nbins_; i++)
    if(ymax_ < cont_[i]){ymax_ = cont_[i]; retval = i;}
/*       std::cout << "max bin " << retval << " has " << ymax_ << std::endl; */
/*       std::cout << "nbins " << nbins_  */
/*      << " binsize " << binsize_ << std::endl; */
      return retval;
    }

Member Data Documentation

float evf::AsciiHisto::binsize_

private

Definition at line 120 of file AsciiHisto.h.

Referenced by AsciiHisto(), draw(), and fill().

std::vector<float> evf::AsciiHisto::cont_

private

Definition at line 125 of file AsciiHisto.h.

Referenced by draw(), fill(), fillDeque(), and maxbin().

std::string evf::AsciiHisto::current_

private

Definition at line 126 of file AsciiHisto.h.

Referenced by draw().

unsigned int evf::AsciiHisto::nbins_

private

Definition at line 119 of file AsciiHisto.h.

Referenced by AsciiHisto(), draw(), and maxbin().

std::string evf::AsciiHisto::title_

private

Definition at line 127 of file AsciiHisto.h.

Referenced by draw().

bool evf::AsciiHisto::uptodate_

private

Definition at line 118 of file AsciiHisto.h.

Referenced by draw(), fill(), and fillDeque().

float evf::AsciiHisto::xmax_

private

Definition at line 122 of file AsciiHisto.h.

Referenced by AsciiHisto().

float evf::AsciiHisto::xmin_

private

Definition at line 121 of file AsciiHisto.h.

Referenced by AsciiHisto(), draw(), and fill().

float evf::AsciiHisto::ymax_

private

Definition at line 123 of file AsciiHisto.h.

Referenced by draw(), and maxbin().

float evf::AsciiHisto::ymin_

private

Definition at line 124 of file AsciiHisto.h.