G4ScoreLogColorMap.cc

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//
// $Id: G4ScoreLogColorMap.cc 89031 2015-03-18 08:40:48Z gcosmo $
//

#include "G4ScoreLogColorMap.hh"
#include <cmath>
#include <string>
#include <sstream>
#include <iomanip>


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

G4ScoreLogColorMap::G4ScoreLogColorMap(G4String mName)
:G4VScoreColorMap(mName)
{;}

G4ScoreLogColorMap::~G4ScoreLogColorMap()
{;}

#include "G4UIcommand.hh"
void G4ScoreLogColorMap::GetMapColor(G4double val, G4double color[4])
{
  G4bool lmin = true, lmax = true, lval = true;
  if(fMinVal < 0.) {
    lmin = false;
    G4String message = "    The min. value (fMinVal) is negative. : ";
    message += G4UIcommand::ConvertToString(fMinVal);
    G4Exception("G4ScoreLogColorMap::GetMapColor()",
    "DigiHitsUtilsScoreLogColorMap000", JustWarning,
    message);
  }
  if(fMaxVal < 0.) {
    lmax = false;
    G4String message = "    The max. value (fMaxVal) is negative. : ";
    message += G4UIcommand::ConvertToString(fMaxVal);
    G4Exception("G4ScoreLogColorMap::GetMapColor()",
    "DigiHitsUtilsScoreLogColorMap001", JustWarning,
    message);
  }
  if(!lmin || !lmax) {
    color[0] = 0.;
    color[1] = 0.;
    color[2] = 0.;
    color[3] = 0.;
    return;
  }

  if(val < 0.) {
    lval = false;
    G4String message = "     'val' (first argument) is negative : ";
    message += G4UIcommand::ConvertToString(fMaxVal);
    G4Exception("G4ScoreLogColorMap::GetMapColor()",
    "DigiHitsUtilsScoreLogColorMap002", JustWarning,
    message);
  }
  if(!lval) {
    color[0] = 0.;
    color[1] = 0.;
    color[2] = 0.;
    color[3] = -1.;
    return;
  }

  G4double logmin = 0., logmax = 0., logval = 0.;
  if(lmin) {
    if(fMinVal > 0.) logmin = std::log10(fMinVal);
    else logmin =0.;
  }
  if(lmax) logmax = std::log10(fMaxVal);
  if(lval) logval = std::log10(val);
  G4double value = 0.;
  if(lmax) value = (logval-logmin)/(logmax-logmin);

  if(value > 1.) {value=1.;}
  if(value < 0.) {value=0.;}

  // color map
  const int NCOLOR = 6;
  struct ColorMap {
    G4double val;
    G4double rgb[4];
  } colormap[] = {{0.0, {1., 1., 1., 1.}}, // value, r, g, b, alpha
                  {0.2, {0., 0., 1., 1.}},
                  {0.4, {0., 1., 1., 1.}},
                  {0.6, {0., 1., 0., 1.}},
                  {0.8, {1., 1., 0., 1.}},
                  {1.0, {1., 0., 0., 1.}}};
  
  // search
  G4int during[2] = {0, 0};
  for(int i = 1; i < NCOLOR; i++) {
    if(colormap[i].val >= value) {
      during[0] = i-1;
      during[1] = i;
      break;
    }
  }

  // interpolate
  G4double a = std::fabs(value - colormap[during[0]].val);
  G4double b = std::fabs(value - colormap[during[1]].val);
  for(int i = 0; i < 4; i++) {
    color[i] = (b*colormap[during[0]].rgb[i] + a*colormap[during[1]].rgb[i])
      /(colormap[during[1]].val - colormap[during[0]].val);
    if(color[i] > 1.) color[i] = 1.;
  } 

}


void G4ScoreLogColorMap::DrawColorChartBar(G4int _nPoint) {

  //G4cout << "++++++ " << fMinVal << " - " << fMaxVal << G4endl;
  G4bool lmin = true, lmax = true;
  if(fMinVal <= 0.) lmin = false;
  if(fMaxVal <= 0.) lmax = false;
  G4double min = 0.;
  if(lmin) min = std::log10(fMinVal);
  G4double max = 0.;
  if(lmax) max = std::log10(fMaxVal);

  G4double smin = -0.89, smax = smin + 0.05*(_nPoint)*0.83, step=0.001;
  G4double c[4];
  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.));
    G4double val = std::pow(10., (ra*max+rb*min)/(ra+rb));
    this->GetMapColor(val, c);
    if(c[0] == 0 && c[1] == 0 && c[2] == 0 && c[3] == 0) return;
    if(c[0] == 0 && c[1] == 0 && c[2] == 0 && c[3] == -1.) continue;
    G4Colour col(c[0], c[1], c[2]);
    G4VisAttributes att(col);
    line.SetVisAttributes(&att);
    fVisManager->Draw2D(line);
  }

}
void G4ScoreLogColorMap::DrawColorChartText(G4int _nPoint) {
  G4bool lmin = true, lmax = true;
  if(fMinVal <= 0.) lmin = false;
  if(fMaxVal <= 0.) lmax = false;

  G4double min = 0.;
  if(lmin) min = std::log10(fMinVal);
  //if(min > 0.) min = std::floor(min);
  //else min = std::ceil(min);

  G4double max = 0.;
  if(lmax) max = std::log10(fMaxVal);
  //if(max > 0.) max = std::ceil(max);
  //else max = std::floor(max);

  G4double c[4] = {1., 1., 1., 1.};
  G4Colour black(0., 0., 0.);
  for(int n = 0; n < _nPoint; n++) {
    G4double a = n/(_nPoint-1.), b = 1.-a;
    G4double v = (a*max + b*min)/(a+b);

    this->GetMapColor(std::pow(10., v), c);
    if(c[0] == 0 && c[1] == 0 && c[2] == 0 && c[3] == 0) return;
    if(c[0] == 0 && c[1] == 0 && c[2] == 0 && c[3] == -1.) continue;

    // background color
    for(int l = 0; l < 21; l++) {
      G4Polyline line;
      line.push_back(G4Point3D(-0.908, -0.905+0.05*n+0.002*l, 0.));
      line.push_back(G4Point3D(-0.705, -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, "%8.1e", std::pow(10., v));
    //G4String value(cstring);
    std::ostringstream oss;
    oss << std::setw(8) << std::setprecision(1) << std::scientific << std::pow(10., v);
    std::string str = oss.str();
    G4String value(str);//.c_str());
    G4Text text(value, G4Point3D(-0.9, -0.9+0.05*n, 0));
    G4double size = 12.;
    text.SetScreenSize(size);
    //this->GetMapColor(std::pow(10., v), c);
    G4Colour color(1.,1.,1.);//c[0], c[1], c[2], 1.);
    G4VisAttributes att(color);
    text.SetVisAttributes(&att);

    fVisManager->Draw2D(text);
  }


  // draw ps name
  // background
  G4int lpsname = 20;// fPSName.size();
  if(lpsname > 0) {
    for(int l = 0; l < 22; l++) {
      G4Polyline line;
      line.push_back(G4Point3D(-0.9, -0.965+0.002*l, 0.));
      line.push_back(G4Point3D(-0.9+0.025*lpsname, -0.965+0.002*l, 0.));
      G4VisAttributes attblack(black);
      //G4VisAttributes attblack(G4Colour(.0, .5, .0));
      line.SetVisAttributes(&attblack);
      fVisManager->Draw2D(line);
    }
    // ps name
    G4Text txtpsname(fPSName, G4Point3D(-0.9, -0.96, 0.));
    G4double size = 12.;
    txtpsname.SetScreenSize(size);
    G4Colour color(1., 1., 1.);
    G4VisAttributes att(color);
    txtpsname.SetVisAttributes(&att);
    fVisManager->Draw2D(txtpsname);
  }



  // draw unit
  // background
  G4int len = 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+0.3, -0.9+0.002*l, 0.));
      G4VisAttributes attblack(black);
      //G4VisAttributes attblack(G4Colour(.5, .0, .0));
      line.SetVisAttributes(&attblack);
      fVisManager->Draw2D(line);
    }
    // unit
    G4String psunit = "[" + fPSUnit + "]";
    G4Text txtunit(psunit, G4Point3D(-0.69, -0.9, 0.));
    G4double size = 12.;
    txtunit.SetScreenSize(size);
    G4Colour color(1., 1., 1.);
    G4VisAttributes att(color);
    txtunit.SetVisAttributes(&att);
    fVisManager->Draw2D(txtunit);
  }

}