G4VScoreColorMap.cc

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//
// $Id: G4VScoreColorMap.cc 94772 2015-12-09 09:46:45Z gcosmo $
//

#include "G4VScoreColorMap.hh"
#include <string>
#include <sstream>
#include <iomanip>

#include "G4VVisManager.hh"
#include "G4VisAttributes.hh"
#include "G4Text.hh"
#include "G4Circle.hh"
#include "G4Polyline.hh"
#include "G4Colour.hh"
#include "G4Polyhedron.hh"

G4VScoreColorMap::G4VScoreColorMap(G4String mName)
:fName(mName),ifFloat(true),fMinVal(0.),fMaxVal(DBL_MAX),fVisManager(nullptr)
{;}

G4VScoreColorMap::~G4VScoreColorMap()
{;}

void G4VScoreColorMap::DrawColorChart(G4int _nPoint) {

  fVisManager = G4VVisManager::GetConcreteInstance();
  if(!fVisManager) {
    G4cerr << "G4VScoringMesh::DrawColorChart(): no visualization system" << G4endl;
    return;
  }

  DrawColorChartBar(_nPoint);
  DrawColorChartText(_nPoint);
}

void G4VScoreColorMap::DrawColorChartBar(G4int _nPoint) {

  G4double min = this->GetMin();
  G4double max = this->GetMax();
  G4double smin = -0.89, smax = smin + 0.05*(_nPoint)*0.83, step=0.001;
  G4double c[4];
  
  fVisManager->BeginDraw2D();
  
  for(G4double y = smin; y < smax; y+=step) {
    G4double ra = (y-smin)/(smax-smin), rb = 1.-ra;
    G4Polyline line;
    line.push_back(G4Point3D(-0.96, y, 0.));
    line.push_back(G4Point3D(-0.91, y, 0.));
    this->GetMapColor((ra*max+rb*min)/(ra+rb), c);
    G4Colour col(c[0], c[1], c[2]);
    G4VisAttributes att(col);
    line.SetVisAttributes(&att);
    fVisManager->Draw2D(line);
  }
  
  fVisManager->EndDraw2D();
}

void G4VScoreColorMap::DrawColorChartText(G4int _nPoint) {

  G4double min = this->GetMin();
  G4double max = this->GetMax();
  G4double c[4];
  G4Colour black(0.1, 0.1, 0.1, 0.8);

  fVisManager->BeginDraw2D();
  
  for(int n = 0; n < _nPoint; n++) {
    G4double a = n/(_nPoint-1.), b = 1.-a;
    G4double v = (a*max + b*min)/(a+b);
    // background color

    for(int l = 0; l < 21; l++) {
      G4Polyline line;
      line.push_back(G4Point3D(-0.9, -0.905+0.05*n+0.002*l, 0.));
      line.push_back(G4Point3D(-0.75, -0.905+0.05*n+0.002*l, 0.));
      G4VisAttributes attblack(black);
      line.SetVisAttributes(&attblack);
      fVisManager->Draw2D(line);
    }

    // text
    //char cstring[80]; 
    //std::sprintf(cstring, "%8.2e", v);
    //G4String value(cstring);
    std::ostringstream oss;
    oss << std::setw(8) << std::setprecision(1) << std::scientific << v;
    std::string str = oss.str();
    G4String value = str;//.c_str());

    
    G4Text text(value, G4Point3D(-0.9, -0.9+0.05*n, 0.4));
    G4double size = 12.;
    text.SetScreenSize(size);
    this->GetMapColor(v, c);
    G4Colour color(c[0], c[1], c[2], 1.);
    G4VisAttributes att(color);
    text.SetVisAttributes(&att);

    fVisManager->Draw2D(text);
  }

  // draw ps name
  // background
  G4double lpsname = 2.+fPSName.size()*0.95;
  if(lpsname > 0) {
    for(int l = 0; l < 22; l++) {
      G4Polyline line;
      line.push_back(G4Point3D(-0.92, -0.965+0.002*l, 0.));
      line.push_back(G4Point3D(-0.92+0.025*lpsname, -0.965+0.002*l, 0.));
      G4VisAttributes attblack(black);
      //G4VisAttributes attblack(G4Colour(.5, .5, 1.));
      line.SetVisAttributes(&attblack);
      fVisManager->Draw2D(line);
    }

    // ps name
    G4Text txtpsname(fPSName, G4Point3D(-0.9, -0.96, 0.1));
    G4double size = 12.;
    txtpsname.SetScreenSize(size);
    G4Colour color(1., 1., 1.);
    G4VisAttributes att(color);
    txtpsname.SetVisAttributes(&att);
    fVisManager->Draw2D(txtpsname);

  }

  // draw unit
  // background
  G4double len = 2.+fPSUnit.size();
  if(len > 0) {
    for(int l = 0; l < 21; l++) {
      G4Polyline line;
      line.push_back(G4Point3D(-0.7, -0.9+0.002*l, 0.));
      line.push_back(G4Point3D(-0.7+0.025*len, -0.9+0.002*l, 0.));
      G4VisAttributes attblack(black);
      //G4VisAttributes attblack(G4Colour(.5, .5, .5));
      line.SetVisAttributes(&attblack);
      fVisManager->Draw2D(line);
    }

    // unit
    G4String psunit = "[" + fPSUnit + "]";
    G4Text txtunit(psunit, G4Point3D(-0.69, -0.9, 0.1));
    G4double size = 12.;
    txtunit.SetScreenSize(size);
    G4Colour color(1., 1., 1.);
    G4VisAttributes att(color);
    txtunit.SetVisAttributes(&att);
    fVisManager->Draw2D(txtunit);
  }
  
  fVisManager->EndDraw2D();
}