Plot Screenshots: Styled Plot Demo

 

  // prepare data:
  QVector<double> x1(20), y1(20);
  QVector<double> x2(100), y2(100);
  QVector<double> x3(20), y3(20);
  QVector<double> x4(20), y4(20);
  for (int i=0; i<x1.size(); ++i)
  {
    x1[i] = i/(double)(x1.size()-1)*10;
    y1[i] = qCos(x1[i]*0.8+qSin(x1[i]*0.16+1.0))*qSin(x1[i]*0.54)+1.4;
  }
  for (int i=0; i<x2.size(); ++i)
  {
    x2[i] = i/(double)(x2.size()-1)*10;
    y2[i] = qCos(x2[i]*0.85+qSin(x2[i]*0.165+1.1))*qSin(x2[i]*0.50)+1.7;
  }
  for (int i=0; i<x3.size(); ++i)
  {
    x3[i] = i/(double)(x3.size()-1)*10;
    y3[i] = 0.05+3*(0.5+qCos(x3[i]*x3[i]*0.2+2)*0.5)/(double)(x3[i]+0.7)+qrand()/(double)RAND_MAX*0.01;
  }
  for (int i=0; i<x4.size(); ++i)
  {
    x4[i] = x3[i];
    y4[i] = (0.5-y3[i])+((x4[i]-2)*(x4[i]-2)*0.02);
  }
  
  // create and configure plottables:
  QCPGraph *graph1 = customPlot->addGraph();
  graph1->setData(x1, y1);
  graph1->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCircle, QPen(Qt::black, 1.5), QBrush(Qt::white), 9));
  graph1->setPen(QPen(QColor(120, 120, 120), 2));

  QCPGraph *graph2 = customPlot->addGraph();
  graph2->setData(x2, y2);
  graph2->setPen(Qt::NoPen);
  graph2->setBrush(QColor(200, 200, 200, 20));
  graph2->setChannelFillGraph(graph1);
  
  QCPBars *bars1 = new QCPBars(customPlot->xAxis, customPlot->yAxis);
  bars1->setWidth(9/(double)x3.size());
  bars1->setData(x3, y3);
  bars1->setPen(Qt::NoPen);
  bars1->setBrush(QColor(10, 140, 70, 160));
  
  QCPBars *bars2 = new QCPBars(customPlot->xAxis, customPlot->yAxis);
  bars2->setWidth(9/(double)x4.size());
  bars2->setData(x4, y4);
  bars2->setPen(Qt::NoPen);
  bars2->setBrush(QColor(10, 100, 50, 70));
  bars2->moveAbove(bars1);
  
  // move bars above graphs and grid below bars:
  customPlot->addLayer("abovemain", customPlot->layer("main"), QCustomPlot::limAbove);
  customPlot->addLayer("belowmain", customPlot->layer("main"), QCustomPlot::limBelow);
  graph1->setLayer("abovemain");
  customPlot->xAxis->grid()->setLayer("belowmain");
  customPlot->yAxis->grid()->setLayer("belowmain");

  // set some pens, brushes and backgrounds:
  customPlot->xAxis->setBasePen(QPen(Qt::white, 1));
  customPlot->yAxis->setBasePen(QPen(Qt::white, 1));
  customPlot->xAxis->setTickPen(QPen(Qt::white, 1));
  customPlot->yAxis->setTickPen(QPen(Qt::white, 1));
  customPlot->xAxis->setSubTickPen(QPen(Qt::white, 1));
  customPlot->yAxis->setSubTickPen(QPen(Qt::white, 1));
  customPlot->xAxis->setTickLabelColor(Qt::white);
  customPlot->yAxis->setTickLabelColor(Qt::white);
  customPlot->xAxis->grid()->setPen(QPen(QColor(140, 140, 140), 1, Qt::DotLine));
  customPlot->yAxis->grid()->setPen(QPen(QColor(140, 140, 140), 1, Qt::DotLine));
  customPlot->xAxis->grid()->setSubGridPen(QPen(QColor(80, 80, 80), 1, Qt::DotLine));
  customPlot->yAxis->grid()->setSubGridPen(QPen(QColor(80, 80, 80), 1, Qt::DotLine));
  customPlot->xAxis->grid()->setSubGridVisible(true);
  customPlot->yAxis->grid()->setSubGridVisible(true);
  customPlot->xAxis->grid()->setZeroLinePen(Qt::NoPen);
  customPlot->yAxis->grid()->setZeroLinePen(Qt::NoPen);
  customPlot->xAxis->setUpperEnding(QCPLineEnding::esSpikeArrow);
  customPlot->yAxis->setUpperEnding(QCPLineEnding::esSpikeArrow);
  QLinearGradient plotGradient;
  plotGradient.setStart(0, 0);
  plotGradient.setFinalStop(0, 350);
  plotGradient.setColorAt(0, QColor(80, 80, 80));
  plotGradient.setColorAt(1, QColor(50, 50, 50));
  customPlot->setBackground(plotGradient);
  QLinearGradient axisRectGradient;
  axisRectGradient.setStart(0, 0);
  axisRectGradient.setFinalStop(0, 350);
  axisRectGradient.setColorAt(0, QColor(80, 80, 80));
  axisRectGradient.setColorAt(1, QColor(30, 30, 30));
  customPlot->axisRect()->setBackground(axisRectGradient);
  
  customPlot->rescaleAxes();
  customPlot->yAxis->setRange(0, 2);