C++ (Cpp) QCPItemTracer::setSelectable 예제들

예제 #1

파일: plot.cpp 프로젝트: iocenter/ResOpt

//-----------------------------------------------------------------------------------------------
// Plots the case
//-----------------------------------------------------------------------------------------------
void Plot::addToPlot(Case *c, bool replot)
{
    m_plotted_cases.push_back(c);


    // finding what to plot
    double value;

    double max_real_var = c->numberOfRealVariables();
    double max_int_var = max_real_var + c->numberOfIntegerVariables();
    double max_bin_var = max_int_var + c->numberOfBinaryVariables();

    int index = p_series->itemData(p_series->currentIndex()).toInt();

    if(index == 0) value = c->objectiveValue(); // objective
    else if(index <= max_real_var)      // real variable
    {
        value = c->realVariableValue(index-1);
    }
    else if(index <= max_int_var)       // int variable
    {
        value = c->integerVariableValue(index - max_real_var -1);
    }
    else if(index <= max_bin_var)       // bin variable
    {
        value = c->binaryVariableValue(index - max_int_var -1);
    }

    else        // constraint
    {
        value = c->constraintValue(index - max_bin_var -1);
    }



    // adding to plot

    m_custom_plot.graph(0)->addData(m_plotted_cases.size(), value);

    // adding point to graph 1 if infeasible
    if(!p_mainwindow->runner()->isFeasible(c)) m_custom_plot.graph(1)->addData(m_plotted_cases.size(), value);

    // x axis range
    if(m_cases.size() >= 5) m_custom_plot.xAxis->setRange(m_plotted_cases.size() - p_sld_xaxis->value(), m_plotted_cases.size() + 1);

    // y axis range
    if(m_plotted_cases.size() == 1)
    {
        m_min = value*0.9;
        m_max = value*1.1;
    }
    else
    {
        if(value < m_min) m_min = value;
        if(value > m_max) m_max = value;
    }

    double padding = (m_max - m_min)*0.1;

    m_custom_plot.yAxis->setRange(m_min - padding, m_max + padding);


    // adding tracer
    QCPItemTracer *tracer = new QCPItemTracer(&m_custom_plot);
    tracer->setGraph(m_custom_plot.graph(0));
    tracer->setGraphKey(m_plotted_cases.size());
    tracer->setStyle(QCPItemTracer::tsPlus);
    tracer->setSize(20);
    QPen pen(Qt::blue);
    pen.setWidth(0);
    pen.setStyle(Qt::NoPen);
    tracer->setPen(pen);

    QPen pen_sel(Qt::green);
    pen_sel.setWidth(1);
    tracer->setSelectedPen(pen_sel);
    tracer->setSelectable(true);

    m_custom_plot.addItem(tracer);

    // updating the slider max
    p_sld_xaxis->setMaximum(m_plotted_cases.size());
    if(!m_user_changed_slider) p_sld_xaxis->setValue(m_plotted_cases.size());
    else
    {
        if(m_plotted_cases.size() > 5) m_custom_plot.xAxis->setRange(m_plotted_cases.size() - p_sld_xaxis->value(), m_plotted_cases.size() + 1);

        // checking if the x-axis tick step must change
        if(p_sld_xaxis->value() > 10)
        {
            int tick = p_sld_xaxis->value() / 10;
            m_custom_plot.xAxis->setTickStep(tick);
        }


        if(replot) m_custom_plot.replot();
    }



   // m_custom_plot.replot();

}