src/PtMwView.cc

#include "PtMwView.hh"
#include "LogViewer.hh"

#include <TGraph.h>
#include <TGaxis.h>
#include <TH1.h>

PtMwView::PtMwView() : 
  PtView( LogViewer::tgMw ), 
  power_( NULL ), axis_( NULL ), yl_( 0.0 ), yh_( 0.0 )
{
  this->title() = "Microwave";
  this->add( LogViewer::sqlEpoch,    "epoch",  kBlack );
  this->add( LogViewer::sqlTimeZone, "TZ",     kBlack );
  this->add( "frq", "Freq.", kBlue );
  this->add( "pwr", "Power", kRed );
  power_ = new TGraph;
  axis_  = new TGaxis;
}

PtMwView::~PtMwView(){
}

void PtMwView::setRange(){

  ymin_ = 68.0;
  ymax_ = 74.0;
  TGraph& p = (*this)[ 3 ].graph();
  double x, y;
  for( int i = 0; i < p.GetN(); i++ ){
    p.GetPoint( i, x, y );
    yl_ = ( i == 0 || yl_ > y ? y : yl_ );
    yh_ = ( i == 0 || yh_ < y ? y : yh_ );
  }

  if( yl_ == yh_ ) { yl_ = 0.0; yh_ = 1.0;}

}

void PtMwView::drawGraph(){
  
  TGraph& f = (*this)[ 2 ].graph();
  TGraph& p = (*this)[ 3 ].graph();
  
  power_->Set( p.GetN() );
  power_->SetLineWidth( p.GetLineWidth() );
  power_->SetLineColor( p.GetLineColor() );
  power_->SetLineStyle( p.GetLineStyle() );
  
  double h = ymax_ - ymin_;
  double x, y;
  double r = 0.8 * h / ( yh_ - yl_ );
  for( int i = 0; i < p.GetN(); i++ ){
    p.GetPoint( i, x, y );
    power_->SetPoint( i, x, r * ( y - yl_ ) + ymin_ + 0.1 * h );
  }
  
  f.Draw( "L" );
  power_->Draw( "L" );

  axis_->SetLineColor( p.GetLineColor() );
  axis_->SetTitle( "Power" );
  axis_->SetTitleSize( 0.8 * frame_->GetYaxis()->GetTitleSize() );
  axis_->SetTitleOffset( 0.5 * frame_->GetYaxis()->GetTitleOffset() );
  axis_->SetLabelSize( 0.8 * frame_->GetYaxis()->GetLabelSize() );
  
  x = xmax_ - 0.11 * ( xmax_ - xmin_ );
  
  axis_->DrawAxis( x, ymin_ + 0.1 * h,
                   x, ymax_ - 0.1 * h,
                   yl_, yh_,
                   510, "+L");
}