Esempio n. 1
0
void Spectrogram::postDataUpdate()
{
  auto *plot = this->plot();
  setLevelsNumber(levels());

  QwtScaleWidget *colorAxis = plot->axisWidget(color_axis);
  if (colorAxis)
  {
    colorAxis->setColorMap(data().range(), colorMap());
  }

  plot->setAxisScale(color_axis, data().range().minValue(), data().range().maxValue());

  if ( d_wsData )
  {
    auto workspace = d_wsData->getWorkspace();
    if ( workspace )
    {
      using MantidQt::API::PlotAxis;
      plot->setAxisTitle(QwtPlot::xBottom,  PlotAxis(*workspace, 0).title());
      plot->setAxisTitle(QwtPlot::yLeft, PlotAxis(*workspace, 1).title());
    }
  }

  plot->replot();
}
Esempio n. 2
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Plot::Plot( QWidget *parent ):
    QwtPlot( parent )
{
    d_spectrogram = new QwtPlotSpectrogram();
    d_spectrogram->setRenderThreadCount( 0 ); // use system specific thread count

    d_spectrogram->setColorMap( new ColorMap() );
    d_spectrogram->setCachePolicy( QwtPlotRasterItem::PaintCache );

    d_spectrogram->setData( new SpectrogramData() );
    d_spectrogram->attach( this );

    QList<double> contourLevels;
    for ( double level = 0.5; level < 10.0; level += 1.0 )
        contourLevels += level;
    d_spectrogram->setContourLevels( contourLevels );

    const QwtInterval zInterval = d_spectrogram->data()->interval( Qt::ZAxis );
    // A color bar on the right axis
    QwtScaleWidget *rightAxis = axisWidget( QwtPlot::yRight );
    rightAxis->setTitle( "Intensity" );
    rightAxis->setColorBarEnabled( true );
    rightAxis->setColorMap( zInterval, new ColorMap() );

    setAxisScale( QwtPlot::yRight, zInterval.minValue(), zInterval.maxValue() );
    enableAxis( QwtPlot::yRight );

    plotLayout()->setAlignCanvasToScales( true );
    replot();

    // LeftButton for the zooming
    // MidButton for the panning
    // RightButton: zoom out by 1
    // Ctrl+RighButton: zoom out to full size

    QwtPlotZoomer* zoomer = new MyZoomer( canvas() );
    zoomer->setMousePattern( QwtEventPattern::MouseSelect2,
        Qt::RightButton, Qt::ControlModifier );
    zoomer->setMousePattern( QwtEventPattern::MouseSelect3,
        Qt::RightButton );

    QwtPlotPanner *panner = new QwtPlotPanner( canvas() );
    panner->setAxisEnabled( QwtPlot::yRight, false );
    panner->setMouseButton( Qt::MidButton );

    // Avoid jumping when labels with more/less digits
    // appear/disappear when scrolling vertically

    const QFontMetrics fm( axisWidget( QwtPlot::yLeft )->font() );
    QwtScaleDraw *sd = axisScaleDraw( QwtPlot::yLeft );
    sd->setMinimumExtent( fm.width( "100.00" ) );

    const QColor c( Qt::darkBlue );
    zoomer->setRubberBandPen( c );
    zoomer->setTrackerPen( c );
}
void RasterData::flush()
{
  QwtInterval zInterval(0.0, qMax(qLn(max), 1.0));
  setInterval(Qt::ZAxis, zInterval);

  QwtScaleWidget *rightAxis = s->axisWidget(QwtPlot::yRight);
  rightAxis->setColorMap(zInterval, new ColorMap());

  s->setAxisScale(QwtPlot::yRight, 0.0, zInterval.maxValue());
}
Esempio n. 4
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void matrixofpixels::PixPlotSpect(int TypeOfSpec,QwtMatrixRasterData *rasterpixdata)
{
    changeitems();
    MapPlot->setData(rasterpixdata);
    MapPlot->setRenderThreadCount(0);
    setAxisAutoScale(this->xTop);
    setAxisAutoScale(this->xBottom);



    switch (TypeOfSpec)
    {
    case 1:
        MapPlot->setColorMap(new ColorMap(BLUERED));
        break;
    case 2:
        MapPlot->setColorMap(new ColorMap(BLACKWHITE));
        break;
    default:
        MapPlot->setColorMap(new ColorMap(BLUERED));
    }

    MapPlot->attach(/*MainPlot*/this);

    const QwtInterval zInterval = MapPlot->data()->interval(Qt::ZAxis);

    setAxisScale(QwtPlot::xBottom, 0, Npix);
    setAxisMaxMinor(QwtPlot::xBottom, 0);
    setAxisScale(QwtPlot::yLeft, 0, Npix);
    setAxisMaxMinor(QwtPlot::yLeft, 0);

    //rightAxis = new QwtScaleWidget();
    QwtScaleWidget *rightAxis = axisWidget(QwtPlot::yRight);

    //rightAxis = axisWidget(QwtPlot::yRight);
    rightAxis->setColorBarEnabled(true);
    rightAxis->setColorBarWidth(20);
    rightAxis->setColorMap(zInterval, new ColorMap(TypeOfSpec) );
    //ColorMap(TypeOfSpec);

    plotLayout()->setAlignCanvasToScales(true);

    setAxisScale(QwtPlot::yRight,zInterval.minValue(),zInterval.maxValue());
    enableAxis(QwtPlot::yRight);
    replot();
    setAutoFillBackground(true);

    /**
      setAutoFillBackground(true); - autozapolnenie, ctobi isklyuchit'
    nalozjeniya graphikov
    */

}
void Spectrogram::setGrayScale()
{
	color_map = QwtLinearColorMap(Qt::black, Qt::white);
	setColorMap(color_map);
	color_map_policy = GrayScale;

	if (!d_graph)
		return;

	QwtScaleWidget *colorAxis = d_graph->axisWidget(color_axis);
	if (colorAxis)
		colorAxis->setColorMap(range(), colorMap());
}
void Spectrogram::setDefaultColorMap()
{
	if (!d_graph)
		return;

	color_map = d_graph->multiLayer()->applicationWindow()->d_3D_color_map;
	setColorMap(color_map);
	color_map_policy = Default;

	QwtScaleWidget *colorAxis = d_graph->axisWidget(color_axis);
	if (colorAxis)
		colorAxis->setColorMap(range(), colorMap());
}
void Spectrogram::setCustomColorMap(const QwtLinearColorMap& map)
{
	setColorMap(map);
	color_map = map;
	color_map_policy = Custom;

	if (!d_graph)
		return;

	QwtScaleWidget *colorAxis = d_graph->axisWidget(color_axis);
	if (colorAxis)
		colorAxis->setColorMap(range(), colorMap());
}
Esempio n. 8
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void Spectrogram::setCustomColorMap(const QwtColorMap &map) {
  setColorMap(map);
  // color_map = map;
  color_map_policy = Custom;
  QwtPlot *plot = this->plot();
  if (!plot)
    return;

  QwtScaleWidget *colorAxis = plot->axisWidget(color_axis);
  if (colorAxis) {
    colorAxis->setColorMap(this->data().range(), this->getColorMap());
  }
}
void Spectrogram::setDefaultColorMap()
{
color_map = defaultColorMap();
setColorMap(color_map);
color_map_policy = Default;

QwtPlot *plot = this->plot();
if (!plot)
	return;

QwtScaleWidget *colorAxis = plot->axisWidget(color_axis);
if (colorAxis)
	colorAxis->setColorMap(this->data().range(), this->colorMap());
}
Esempio n. 10
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void Spectrogram::setGrayScale()
{
color_map = QwtLinearColorMap(Qt::black, Qt::white);
setColorMap(color_map);
color_map_policy = GrayScale;

QwtPlot *plot = this->plot();
if (!plot)
	return;

QwtScaleWidget *colorAxis = plot->axisWidget(color_axis);
if (colorAxis)
	colorAxis->setColorMap(data().range(), colorMap());
}
Esempio n. 11
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void Spectrogram::updateData()
{
	if (!d_matrix || !d_graph)
		return;

	setData(MatrixData(d_matrix, d_use_matrix_formula));
	setLevelsNumber(levels());

	QwtScaleWidget *colorAxis = d_graph->axisWidget(color_axis);
	if (colorAxis)
		colorAxis->setColorMap(data().range(), colorMap());

	d_graph->setAxisScale(color_axis, data().range().minValue(), data().range().maxValue());
	d_graph->replot();
}
Esempio n. 12
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/**
 * Przypisuje obiekt danych do spektrogramu.
 *
 * Dane mogą zawierać zarówno typowy spektrogram, czyli dla każdej ramki
 * jej widmo, lub też "spektrogram cech", gdzie dla każdej ramki tablica
 * wartości zawiera cechy tej ramki.
 *
 * @param data obiekt danych
 */
void SpectrogramPlot::setSpectrogramData(const QwtRasterData& data)
{
    // skala osi czasu
    DurationScaleDraw* durSD = (DurationScaleDraw*)axisScaleDraw(xBottom);
    SimpleBirdSettings settings;
    durSD->setFrameLength(settings.getFrameLength());
    durSD->setFrameOverlap(settings.getOverlap());

    // przypisanie danych do spektrogramu
    spectrogram->setData(data);

    // skalowanie osi intensywności
    QwtScaleWidget *rightAxis = axisWidget(yRight);
    rightAxis->setColorMap(data.range(), spectrogram->colorMap());
}
Esempio n. 13
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void Spectrogram::showColorScale(int axis, bool on)
{
  if (hasColorScale() == on && color_axis == axis)
    return;

  QwtPlot *plot = this->plot();
  if (!plot)
    return;

  QwtScaleWidget *colorAxis = plot->axisWidget(color_axis);
  colorAxis->setColorBarEnabled(false);

  color_axis = axis;

  // We must switch main and the color scale axes and their respective scales
  int xAxis = this->xAxis();
  int yAxis = this->yAxis();
  int oldMainAxis = yAxis;
  if (axis == QwtPlot::xBottom || axis == QwtPlot::xTop)
  {
    oldMainAxis = xAxis;
    xAxis = 5 - color_axis;
  }
  else if (axis == QwtPlot::yLeft || axis == QwtPlot::yRight)
  {
    oldMainAxis = yAxis;
    yAxis = 1 - color_axis;
  }

  // First we switch axes
  setAxis(xAxis, yAxis);

  // Next we switch axes scales
  QwtScaleDiv *scDiv = plot->axisScaleDiv(oldMainAxis);
  if (axis == QwtPlot::xBottom || axis == QwtPlot::xTop)
    plot->setAxisScale(xAxis, scDiv->lBound(), scDiv->hBound());
  else if (axis == QwtPlot::yLeft || color_axis == QwtPlot::yRight)
    plot->setAxisScale(yAxis, scDiv->lBound(), scDiv->hBound());

  colorAxis = plot->axisWidget(color_axis);
  plot->setAxisScale(color_axis, data().range().minValue(), data().range().maxValue());
  colorAxis->setColorBarEnabled(on);
  colorAxis->setColorMap(data().range(), colorMap());
  if (!plot->axisEnabled(color_axis))
    plot->enableAxis(color_axis);
  colorAxis->show();
  plot->updateLayout();
}
Esempio n. 14
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void Spectrogram::setDefaultColorMap() {
  MantidColorMap map = getDefaultColorMap();

  mCurrentColorMap = map.getFilePath();
  mColorMap = map;
  setColorMap(map);

  color_map_policy = Default;

  QwtPlot *plot = this->plot();
  if (!plot)
    return;

  QwtScaleWidget *colorAxis = plot->axisWidget(color_axis);
  if (colorAxis)
    colorAxis->setColorMap(this->data().range(), this->colorMap());
}
Esempio n. 15
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void Spectrogramplot::setZAxisScale(double zMin, double zMax)
{
  zMin_ = zMin;
  zMax_ = zMax;
  data_->setInterval( Qt::ZAxis, QwtInterval( zMin_, zMax_ ) );

  //Set up the intensity bar on the right
  const QwtInterval zInterval = spectrogram_->data()->interval( Qt::ZAxis );
  QwtScaleWidget *rightAxis = axisWidget(QwtPlot::yRight);
  rightAxis->setColorBarEnabled(true);
  rightAxis->setColorMap( zInterval, new ColorMap());
  setAxisScale(QwtPlot::yRight, zInterval.minValue(), zInterval.maxValue() );
  enableAxis(QwtPlot::yRight);

  plotLayout()->setAlignCanvasToScales(true);
  replot();
}
Esempio n. 16
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void Plot::setColorMap( int type )
{
    QwtScaleWidget *axis = axisWidget( QwtPlot::yRight );
    const QwtInterval zInterval = d_spectrogram->data()->interval( Qt::ZAxis );

    d_mapType = type;

    int alpha = d_alpha;
    switch( type )
    {
        case Plot::HueMap:
        {
            d_spectrogram->setColorMap( new HueColorMap( d_formatType ) );
            axis->setColorMap( zInterval, new HueColorMap( d_formatType ) );
            break;
        }
        case Plot::SaturationMap:
        {
            d_spectrogram->setColorMap( new SaturationColorMap( d_formatType ) );
            axis->setColorMap( zInterval, new SaturationColorMap( d_formatType ) );
            break;
        }
        case Plot::ValueMap:
        {
            d_spectrogram->setColorMap( new ValueColorMap( d_formatType ) );
            axis->setColorMap( zInterval, new ValueColorMap( d_formatType ) );
            break;
        }
        case Plot::SVMap:
        {
            d_spectrogram->setColorMap( new SVColorMap( d_formatType ) );
            axis->setColorMap( zInterval, new SVColorMap( d_formatType ) );
            break;
        }
        case Plot::AlphaMap:
        {
            alpha = 255;
            d_spectrogram->setColorMap( new AlphaColorMap( d_formatType ) );
            axis->setColorMap( zInterval, new AlphaColorMap( d_formatType ) );
            break;
        }
        case Plot::RGBMap:
        default:
        {
            d_spectrogram->setColorMap( new LinearColorMap( d_formatType ) );
            axis->setColorMap( zInterval, new LinearColorMap( d_formatType ) );
        }
    }
    d_spectrogram->setAlpha( alpha );

    replot();
}
Esempio n. 17
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Plot::Plot( QWidget *parent ):
    QwtPlot( parent )
{
    QwtPlotCanvas *canvas = new QwtPlotCanvas();
    canvas->setBorderRadius( 10 );
    setCanvas( canvas );

#if 0
    QwtPlotGrid *grid = new QwtPlotGrid();
    grid->setPen( Qt::DotLine );
    grid->attach( this );
#endif

    d_spectrogram = new QwtPlotSpectrogram();
    d_spectrogram->setRenderThreadCount( 0 ); // use system specific thread count

    d_spectrogram->setColorMap( new ColorMap() );

    d_spectrogram->setData( new RasterData() );
    d_spectrogram->attach( this );

    const QwtInterval zInterval = d_spectrogram->data()->interval( Qt::ZAxis );
    // A color bar on the right axis
    QwtScaleWidget *rightAxis = axisWidget( QwtPlot::yRight );
    rightAxis->setColorBarEnabled( true );
    rightAxis->setColorBarWidth( 40 );
    rightAxis->setColorMap( zInterval, new ColorMap() );

    setAxisScale( QwtPlot::yRight, zInterval.minValue(), zInterval.maxValue() );
    enableAxis( QwtPlot::yRight );

    plotLayout()->setAlignCanvasToScales( true );

    setAxisScale( QwtPlot::xBottom, 0.0, 3.0 );
    setAxisMaxMinor( QwtPlot::xBottom, 0 );
    setAxisScale( QwtPlot::yLeft, 0.0, 3.0 );
    setAxisMaxMinor( QwtPlot::yLeft, 0 );

    QwtPlotMagnifier *magnifier = new QwtPlotMagnifier( canvas );
    magnifier->setAxisEnabled( QwtPlot::yRight, false );

    QwtPlotPanner *panner = new QwtPlotPanner( canvas );
    panner->setAxisEnabled( QwtPlot::yRight, false );
}
Esempio n. 18
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void Spectrogram::updateData(Matrix *m)
{
if (!m)
	return;

QwtPlot *plot = this->plot();
if (!plot)
	return;

setData(MatrixData(m));
setLevelsNumber(levels());

QwtScaleWidget *colorAxis = plot->axisWidget(color_axis);
if (colorAxis)
	colorAxis->setColorMap(data().range(), colorMap());

plot->setAxisScale(color_axis, data().range().minValue(), data().range().maxValue());
plot->replot();
}
Esempio n. 19
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void caWaterfallPlot::setColormap(colormap const &map)
{
    thisColormap = map;
    setPropertyVisible(customcolormap, false);
    setPropertyVisible(discretecolormap, false);

    // A color bar on the right axis
    QwtScaleWidget *rightAxis = plot->axisWidget(QwtPlot::yRight);
    rightAxis->setTitle("Intensity");
    rightAxis->setColorBarEnabled(true);
    plot->setAxisScale(QwtPlot::yRight, thisIntensityMin, thisIntensityMax);
    plot->enableAxis(QwtPlot::yRight);

    switch (map) {

    case grey:
        d_spectrogram->setColorMap(new ColorMap_Grey());
        rightAxis->setColorMap(QwtInterval(thisIntensityMin, thisIntensityMax), new ColorMap_Grey());
        thisColormap = grey;
        break;
    case spectrum_wavelength:
        d_spectrogram->setColorMap(new ColorMap_Wavelength());
        rightAxis->setColorMap(QwtInterval(thisIntensityMin, thisIntensityMax), new ColorMap_Wavelength());
        thisColormap = spectrum_wavelength;
        break;
    case spectrum_hot:
        d_spectrogram->setColorMap(new ColorMap_Hot());
        rightAxis->setColorMap(QwtInterval(thisIntensityMin, thisIntensityMax), new ColorMap_Hot());
        thisColormap = spectrum_hot;
        break;
    case spectrum_heat:
        d_spectrogram->setColorMap(new ColorMap_Heat());
        rightAxis->setColorMap(QwtInterval(thisIntensityMin, thisIntensityMax), new ColorMap_Heat());
        thisColormap = spectrum_heat;
        break;
    case spectrum_jet:
        d_spectrogram->setColorMap(new ColorMap_Jet());
        rightAxis->setColorMap(QwtInterval(thisIntensityMin, thisIntensityMax), new ColorMap_Jet());
        thisColormap = spectrum_jet;
        break;
    case spectrum_custom: {
        int *colorIndexes=NULL;
        setPropertyVisible(customcolormap, true);
        setPropertyVisible(discretecolormap, true);
        // user has the possibility to input its own colormap with discrete QtColors from 2 t0 18
        // when nothing given, fallback to default colormap
        if(thisCustomMap.count() > 2) {
            colorIndexes=(int *) malloc(thisCustomMap.count()*sizeof(int));

            // get the discrete colors
            for(int i=0; i< thisCustomMap.count(); i++) {
                bool ok;
                int index = thisCustomMap.at(i).toInt(&ok);
                if(ok) colorIndexes[i] = index; else colorIndexes[i] = 2; // black
                if(colorIndexes[i] < 2) colorIndexes[i] = 2;
                if(colorIndexes[i] > 18) colorIndexes[i] = 18;
            }

            // create colormap
            ColorMap_Custom * colormap =  new ColorMap_Custom();
            colormap->initColormap(colorIndexes, thisCustomMap.count(), thisDiscreteMap);
            d_spectrogram->setColorMap(colormap);
            rightAxis->setColorMap(QwtInterval(thisIntensityMin, thisIntensityMax), colormap);
            free(colorIndexes);
            thisColormap = spectrum_custom;
        } else {
            d_spectrogram->setColorMap(new ColorMap_Wavelength());
            rightAxis->setColorMap(QwtInterval(thisIntensityMin, thisIntensityMax), new ColorMap_Wavelength());
            thisColormap = spectrum_wavelength;
        }
    }
        break;
    default:
        d_spectrogram->setColorMap(new ColorMap_Wavelength());
        rightAxis->setColorMap(QwtInterval(thisIntensityMin, thisIntensityMax), new ColorMap_Wavelength());
        thisColormap = spectrum_wavelength;
        break;
    }
    myReplot();
}
Esempio n. 20
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Plot::Plot(QWidget *parent):
    QwtPlot(parent)
{
    d_spectrogram = new QwtPlotSpectrogram();

    QwtLinearColorMap colorMap(Qt::darkCyan, Qt::red);
    colorMap.addColorStop(0.1, Qt::cyan);
    colorMap.addColorStop(0.6, Qt::green);
    colorMap.addColorStop(0.95, Qt::yellow);

    d_spectrogram->setColorMap(colorMap);

    d_spectrogram->setData(SpectrogramData());
    d_spectrogram->attach(this);

    QwtValueList contourLevels;
    for ( double level = 0.5; level < 10.0; level += 1.0 )
        contourLevels += level;
    d_spectrogram->setContourLevels(contourLevels);

    QwtScaleWidget *rightAxis = axisWidget(QwtPlot::yRight);
    rightAxis->setTitle("Intensity");
    rightAxis->setColorBarEnabled(true);
    rightAxis->setColorMap(d_spectrogram->data().range(),
        d_spectrogram->colorMap());

    setAxisScale(QwtPlot::yRight, 
        d_spectrogram->data().range().minValue(),
        d_spectrogram->data().range().maxValue() );
    enableAxis(QwtPlot::yRight);

    plotLayout()->setAlignCanvasToScales(true);
    replot();

    // LeftButton for the zooming
    // MidButton for the panning
    // RightButton: zoom out by 1
    // Ctrl+RighButton: zoom out to full size

    QwtPlotZoomer* zoomer = new QwtPlotZoomer(canvas());
#if QT_VERSION < 0x040000
    zoomer->setMousePattern(QwtEventPattern::MouseSelect2,
        Qt::RightButton, Qt::ControlButton);
#else
    zoomer->setMousePattern(QwtEventPattern::MouseSelect2,
        Qt::RightButton, Qt::ControlModifier);
#endif
    zoomer->setMousePattern(QwtEventPattern::MouseSelect3,
        Qt::RightButton);

    QwtPlotPanner *panner = new QwtPlotPanner(canvas());
    panner->setAxisEnabled(QwtPlot::yRight, false);
    panner->setMouseButton(Qt::MidButton);

    // Avoid jumping when labels with more/less digits
    // appear/disappear when scrolling vertically

    const QFontMetrics fm(axisWidget(QwtPlot::yLeft)->font());
    QwtScaleDraw *sd = axisScaleDraw(QwtPlot::yLeft);
    sd->setMinimumExtent( fm.width("100.00") );

    const QColor c(Qt::darkBlue);
    zoomer->setRubberBandPen(c);
    zoomer->setTrackerPen(c);
}
Esempio n. 21
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		void ComponentPlotter::plot(bool zoom)
		{
			qwt_plot_->clear();
			
			if(component_matrix_==NULL||component_matrix_->cols()==0) calculateComponents();
			if(component_matrix_==NULL||component_matrix_->cols()<2) return; // only 1 component
			
			double min_y=1e10;
			double max_y=-1e10;
			double min_x=1e10;
			double max_x=-1e10;
			const vector<string>* feature_names;
			if(!plot_loadings_) feature_names = model_item_->model()->getSubstanceNames();
			else feature_names = model_item_->model()->getDescriptorNames();
			const unsigned int size = feature_names->size();
			
			unsigned int comp_one=component_one_combobox_->itemData(component_one_combobox_->currentIndex()).toInt();
			unsigned int comp_two=component_two_combobox_->itemData(component_two_combobox_->currentIndex()).toInt();

			QwtLinearColorMap color_map;
			color_map.setColorInterval(QColor(255,0,0),QColor(0,255,0));
			QwtDoubleInterval interval(min_response_value_,max_response_value_);
			
			const QSARData* data = model_item_->inputDataItem()->data();
			
			for(unsigned int j=1; j<=size; j++)
			{
				QwtPlotMarker* marker= new QwtPlotMarker;
				QwtSymbol symbol = data_symbol;
				
				if(!plot_loadings_)
				{
					vector<double>* resp = data->getActivity(j-1);
					double response_value = (*resp)[selected_activity_];
					delete resp;
					QBrush b(QColor(color_map.rgb(interval,response_value)),Qt::SolidPattern);
					symbol.setBrush(b);
				}
			
				double x_j = (*component_matrix_)(j,comp_one);
				double y_j = (*component_matrix_)(j,comp_two);
				if(y_j<min_y) min_y=y_j;
				if(y_j>max_y) max_y=y_j;
				if(x_j<min_x) min_x=x_j;
				if(x_j>max_x) max_x=x_j;
				marker->setSymbol(symbol);
				marker->setValue(x_j,y_j);
				marker->attach(qwt_plot_); // attached object will be automatically deleted by QwtPlot
				
				if(show_data_labels)
				{
					QString s =(*feature_names)[j-1].c_str();
					QwtText label(s);
					label.setFont(data_label_font);
					marker->setLabel(label);
					marker->setLabelAlignment(data_label_alignment);
				}
			}

			QString s1 = component_one_combobox_->itemText(component_one_combobox_->currentIndex());
			QString s2 = component_two_combobox_->itemText(component_two_combobox_->currentIndex());
			LatentVariableModel* lv_model = dynamic_cast<LatentVariableModel*>(model_item_->model());
			const Eigen::MatrixXd* weights = lv_model->getWeights();
			
			if(!plot_loadings_)
			{
				s1 += "  c="; s1+=String((*weights)(comp_one,1)).c_str();
				s2 += "  c="; s2+=String((*weights)(comp_two,1)).c_str();
			}
			
			qwt_plot_->setAxisTitle(QwtPlot::yLeft,s2);
			qwt_plot_->setAxisTitle(QwtPlot::xBottom,s1);
			
			double x_border=(max_x-min_x)*0.05;
			double y_border=(max_y-min_y)*0.05;
			min_x-=x_border; min_y-=y_border;
			max_x+=x_border; max_y+=y_border;
			
			QwtPlotCurve* zero_line = new QwtPlotCurve;
			QwtPlotCurve* zero_line2 = new QwtPlotCurve;
			double x[2]; x[0]=min_x; x[1]=max_x;
			double y[2]; y[0]=0; y[1]=0;
			zero_line->setData(x,y,2);
			x[0]=0; x[1]=0;
			y[0]=min_y; y[1]=max_y;
			zero_line2->setData(x,y,2);
			QColor c(135,135,135); // grey
			QPen pen(c);
			zero_line->setPen(pen);
			zero_line->attach(qwt_plot_);
			zero_line2->setPen(pen);
			zero_line2->attach(qwt_plot_);
			
			if(zoom)
			{
				qwt_plot_->setAxisScale(QwtPlot::yLeft,min_y,max_y);
				qwt_plot_->setAxisScale(QwtPlot::xBottom,min_x,max_x);
			}
			
			if(!plot_loadings_)
			{	
				QwtScaleWidget* rightAxis = qwt_plot_->axisWidget(QwtPlot::yRight);
				rightAxis->setTitle("response value");
				rightAxis->setColorBarEnabled(true);
				rightAxis->setColorMap(interval,color_map);
				qwt_plot_->setAxisScale(QwtPlot::yRight,min_response_value_,max_response_value_);
			}
		}