void Plot::clear()
{
this->detachItems();
pointsArr.clear();
// ...a horizontal line at y = 1...
QwtPlotMarker *mY1 = new QwtPlotMarker();
mY1->setLabel( QString::fromLatin1( "y = 1" ) );
mY1->setLabelAlignment( Qt::AlignRight | Qt::AlignTop );
mY1->setLineStyle( QwtPlotMarker::HLine );
mY1->setYValue( 1.0 );
mY1->setLinePen(Qt::black, 1, Qt::DashLine);
mY1->attach( this );
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabel( QString::fromLatin1( "y = 0" ) );
mY->setLabelAlignment( Qt::AlignRight | Qt::AlignTop );
mY->setLineStyle( QwtPlotMarker::HLine );
mY->setYValue( 0.0 );
mY->attach( this );
// ...a vertical line at x = 0
QwtPlotMarker *mX = new QwtPlotMarker();
mX->setLabel( QString::fromLatin1( "x = 0" ) );
mX->setLabelAlignment( Qt::AlignLeft | Qt::AlignBottom );
mX->setLabelOrientation( Qt::Vertical );
mX->setLineStyle( QwtPlotMarker::VLine );
mX->setLinePen( Qt::black, 0, Qt::DashDotLine );
mX->setXValue( 0 );
mX->attach( this );
}
SimDialog::SimDialog( QWidget * parent, Qt::WFlags f)
: QDialog(parent, f)
{
setupUi(this);
// setup the plot ...
m_plot->setTitle("Comparing Similarity Measures");
m_plot->insertLegend(new QwtLegend(), QwtPlot::BottomLegend);
// set up the axes ...
m_plot->setAxisTitle(QwtPlot::xBottom, "Variations");
m_plot->setAxisScale(QwtPlot::xBottom, -10, 10);
m_plot->setAxisTitle(QwtPlot::yLeft, "Similarity");
m_plot->setAxisScale(QwtPlot::yLeft, -1.5, 1.5);
// enable grid ...
QwtPlotGrid *grid = new QwtPlotGrid;
grid->enableXMin(true);
grid->enableYMin(true);
grid->setMajPen(QPen(Qt::black, 0, Qt::DotLine));
grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
grid->attach(m_plot);
// Insert zero line at y = 0
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
mY->setLineStyle(QwtPlotMarker::HLine);
mY->setYValue(0.0);
mY->attach(m_plot);
// Insert zero line at x = 0
QwtPlotMarker *mX = new QwtPlotMarker();
mX->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
mX->setLineStyle(QwtPlotMarker::VLine);
mX->setXValue(0.0);
mX->attach(m_plot);
// Insert new curves
cReg = new QwtPlotCurve("Regular Similarity Measure");
cReg->attach(m_plot);
cOct = new QwtPlotCurve("Octree based Similarity Measure");
cOct->attach(m_plot);
// Set curve styles
cReg->setPen(QPen(Qt::red, 2));
cOct->setPen(QPen(Qt::blue, 2));
// Populate the volume combos ...
MainWindow* _win = (MainWindow *)this->parent();
viewer3d * _view = (viewer3d *) _win->getViewer();
QList<Volume*> _vols = _view->getVolumes();
// append Volume names to combo boxes ...
// Need to modify Volume class so that it stored patient name ...
// More importantly modify PatientBrowser so that the data can be directly
// loaded.
}
Plot::Plot()
{
setTitle("A Simple QwtPlot Demonstration");
insertLegend(new QwtLegend(), QwtPlot::RightLegend);
// Set axis titles
setAxisTitle(xBottom, "x -->");
setAxisTitle(yLeft, "y -->");
// Insert new curves
QwtPlotCurve *cSin = new QwtPlotCurve("y = sin(x)");
#if QT_VERSION >= 0x040000
cSin->setRenderHint(QwtPlotItem::RenderAntialiased);
#endif
cSin->setPen(QPen(Qt::red));
cSin->attach(this);
QwtPlotCurve *cCos = new QwtPlotCurve("y = cos(x)");
#if QT_VERSION >= 0x040000
cCos->setRenderHint(QwtPlotItem::RenderAntialiased);
#endif
cCos->setPen(QPen(Qt::blue));
cCos->attach(this);
// Create sin and cos data
const int nPoints = 100;
cSin->setData(SimpleData(::sin, nPoints));
cCos->setData(SimpleData(::cos, nPoints));
// Insert markers
// ...a horizontal line at y = 0...
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabel(QString::fromLatin1("y = 0"));
mY->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
mY->setLineStyle(QwtPlotMarker::HLine);
mY->setYValue(0.0);
mY->attach(this);
// ...a vertical line at x = 2 * pi
QwtPlotMarker *mX = new QwtPlotMarker();
mX->setLabel(QString::fromLatin1("x = 2 pi"));
mX->setLabelAlignment(Qt::AlignLeft | Qt::AlignBottom);
mX->setLabelOrientation(Qt::Vertical);
mX->setLineStyle(QwtPlotMarker::VLine);
mX->setLinePen(QPen(Qt::black, 0, Qt::DashDotLine));
mX->setXValue(2.0 * M_PI);
mX->attach(this);
}
void Variog_plot::mouseReleaseEvent(QMouseEvent * event)
{
std::cerr << "show_pairs_count() called " << std::endl;
if( event->button() != Qt::RightButton ) return;
const float offset=1.02;
QFont font;
font.setPointSize( 7 );
if( !pairs_shown_ ) {
for( unsigned int i=0; i < pairs_.size(); i++ ) {
QString label;
label.setNum( pairs_[i] );
QwtText T(label);
QwtPlotMarker * marker = new QwtPlotMarker();
marker->attach(this);
T.setFont(font);
marker->setValue(pairs_coord_x_[i], pairs_coord_y_[i]*offset);
marker->setLabel(T);
}
pairs_shown_ = true;
}
else {
detachItems(QwtPlotItem::Rtti_PlotMarker);
pairs_shown_ = false;
}
replot();
}
void PlotWindow::drawLapMarkers()
{
if (_data_log->numLaps() > 1)
{
for (int i=0; i < _data_log->numLaps(); ++i)
{
QwtPlotMarker* marker = new QwtPlotMarker;
marker->setLineStyle(QwtPlotMarker::VLine);
marker->setLinePen(QPen(Qt::DotLine));
if (_x_axis_measurement->currentIndex() == 0) // time
{
const double time = _data_log->time(_data_log->lap(i).second);
marker->setXValue(time);
}
else // distance
{
const double dist = _data_log->dist(_data_log->lap(i).second);
marker->setXValue(dist);
}
marker->attach(_plot);
marker->show();
_lap_markers.push_back(marker);
}
}
}
DataPlot::DataPlot(QWidget *parent, TelemetryStateReceiver* collector, OdometryStateReceiver* odometryReceiver,QMap<QString, QStringList> *list) :
QwtPlot(parent),
d_interval(0),
d_timerId(-1)
{
node=collector;
odom_receiver=odometryReceiver;
connect_status=false;
QObject::connect( node, SIGNAL( parameterReceived( )), this, SLOT( onParameterReceived( )));
data_count=0;
posicionBuffer=PLOT_SIZE;
colors_list <<"red"<<"blue"<<"green"<<"black"<<"yellow"<<"magenta"<<"cyan"<<"gray"<<"darkCyan"<<"darkMagenta"<<"darkYellow"<<"darkGray"<<"darkRed"<<"darkBlue"<<"darkGreen"<<"lightGray" <<"red"<<"blue"<<"green"<<"black"<<"yellow"<<"magenta"<<"cyan"<<"gray"<<"darkCyan"<<"darkMagenta"<<"darkYellow"<<"darkGray"<<"darkRed"<<"darkBlue"<<"darkGreen"<<"lightGray" <<"red"<<"blue"<<"green"<<"black"<<"yellow"<<"magenta"<<"cyan"<<"gray"<<"darkCyan"<<"darkMagenta"<<"darkYellow"<<"darkGray"<<"darkRed"<<"darkBlue"<<"darkGreen"<<"lightGray" <<"red"<<"blue"<<"green"<<"black"<<"yellow"<<"magenta"<<"cyan"<<"gray"<<"darkCyan"<<"darkMagenta"<<"darkYellow"<<"darkGray"<<"darkRed"<<"darkBlue"<<"darkGreen"<<"lightGray";
iterator_colors=0;
is_stop_pressed=false;
alignScales();
setAutoReplot(false);
parameters_list = setCurveLabels(*list);
current_min_limit=0;
current_max_limit=0;
QwtPlotZoomer* zoomer = new MyZoomer(canvas());
QwtPlotPanner *panner = new QwtPlotPanner(canvas());
panner->setAxisEnabled(QwtPlot::yRight, true);
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);
setGridPlot();
initTimeData();
#if 0
// Insert zero line at y = 0
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
mY->setLineStyle(QwtPlotMarker::HLine);
mY->setYValue(0.0);
mY->attach(this);
#endif
initAxisX();
initAxisY();
initCurves();
setTimerInterval(1000);// 1 second = 1000
}
void SweepInspector::loadSweep(int index) {
//load in new sweep values from data
if (data == NULL) return;
if ( (index < 0) || (index >= data->getNumSweeps())) return;
//remove old data and get new
if (d_curve) d_curve->attach(NULL);
detachItems();
fsweep sweep = data->getSweep(index);
d_curve = new QwtPlotCurve( data->timestampFromIndex(index) ); //Qwt will delete() this when its done with it
d_curve->setRenderHint( QwtPlotItem::RenderAntialiased );
d_curve->setStyle( QwtPlotCurve::Lines );
d_curve->setPen( QColor( Qt::yellow ), 2, Qt::SolidLine );
d_curve->setSamples( sweep );
d_curve->attach(this);
QwtInterval frange = data->limits(FREQ);
//setAxisScale(QwtPlot::xBottom, frange.minValue(), frange.maxValue(), (frange.maxValue() - frange.minValue())/ 5.0);
//setAxisScale(QwtPlot::yLeft, -135, 20, 10.0);
setTitle( QString("RF Sweep @ %1").arg(data->timestampFromIndex(index)) );
//set maximum zoom out
zoomer->setZoomBase(QRectF(QPointF(frange.minValue(), 40), QPointF(frange.maxValue(), -135)));
zoomer->zoomBase();
//find max, min, and average values and drop it on plot as well
double max = sweep.first().y(), min = sweep.first().y(), avg=0;
for(int i=0; i < sweep.size(); i++) {
max = std::max(max, sweep.at(i).y());
min = std::min(min, sweep.at(i).y());
avg += sweep.at(i).y();
} avg /= sweep.size();
//add markers onto the plot
QwtPlotMarker *one = new QwtPlotMarker(), *two = new QwtPlotMarker();
one->attach(this); one->setAxes(QwtPlot::xTop, QwtPlot::yRight);
two->attach(this); two->setAxes(QwtPlot::xTop, QwtPlot::yRight);
QwtText tone = QwtText(QString("Max: %1 dBm\nMin: %2 dBm\nAvg: %3 dBm").arg(max).arg(min).arg(avg));
tone.setFont( QFont( "Helvetica", 10, QFont::Bold ) );
tone.setColor( Qt::green );
tone.setRenderFlags(Qt::AlignTop | Qt::AlignLeft);
one->setLabel(tone);
one->setValue(0, 10);
one->setLabelAlignment(Qt::AlignBottom | Qt::AlignRight);
QwtText ttwo(data->plotText());
ttwo.setFont( QFont( "Helvetica", 10, QFont::Bold ) );
ttwo.setColor( Qt::white );
ttwo.setRenderFlags(Qt::AlignBottom | Qt::AlignRight);
two->setLabel(ttwo);
two->setValue(10, 10);
two->setLabelAlignment(Qt::AlignBottom | Qt::AlignLeft);
replot();
repaint();
}
void wykres::dodaj_naj(double d) {
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabel(QString::fromLatin1("Osobnik najlepszy = ")+QString::number(-d));
mY->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
mY->setLineStyle(QwtPlotMarker::HLine);
mY->setYValue(-d);
mY->attach(this);
}
void Plot_AddHLine(QwtPlot* plot, double value , double r , double g, double b)
{
QwtPlotMarker *marker = new QwtPlotMarker();
marker->setLineStyle ( QwtPlotMarker::HLine );
marker->setLinePen(QPen(QColor(r, g, b, 128), 1, Qt::DashDotLine));
marker->attach( plot );
marker->setYValue( value );
}
/**
* This is a helper method to create new band markers with the same line
* style and a custom color.
*
* @param color The color of the band marker
* @return The requested plot marker; ownership is passed to the caller
*/
QwtPlotMarker *SpectralPlotWindow::createMarker(QColor color) {
QPen markerPen(color);
markerPen.setWidth(1);
QwtPlotMarker *newMarker = new QwtPlotMarker;
newMarker->setLineStyle(QwtPlotMarker::LineStyle(2));
newMarker->setLinePen(markerPen);
newMarker->attach(plot());
newMarker->setVisible(false);
return newMarker;
}
/**
* Dodaje dodatkowy opis wykresu.
*
* @param caption opis wykresu
* @param x pozycja na wykresie w skali czasu
* @param y pozycja na wykresie w skali pionowej (np. częstotliwości)
*/
void SpectrogramPlot::setExtraCaption(QString caption, double x, double y)
{
QwtPlotMarker* marker = new QwtPlotMarker();
QwtText label(caption);
label.setColor(QColor::fromRgba(0x88FFFFFF));
label.setFont(QFont("Arial", 10, QFont::Bold));
marker->setLabel(label);
marker->setLineStyle(QwtPlotMarker::NoLine);
marker->setValue(x, y);
marker->setLabelAlignment(Qt::AlignRight | Qt::AlignBottom);
marker->attach(this);
}
void QgsCurveEditorWidget::addPlotMarker( double x, double y, bool isSelected )
{
QColor borderColor( 0, 0, 0 );
QColor brushColor = isSelected ? borderColor : QColor( 255, 255, 255, 0 );
QwtPlotMarker *marker = new QwtPlotMarker();
marker->setSymbol( new QwtSymbol( QwtSymbol::Ellipse, QBrush( brushColor ), QPen( borderColor, isSelected ? 2 : 1 ), QSize( 8, 8 ) ) );
marker->setValue( x, y );
marker->attach( mPlot );
marker->setRenderHint( QwtPlotItem::RenderAntialiased, true );
mMarkers << marker;
}
void Plot::populate()
{
// Insert new curves
QwtPlotCurve *cSin = new QwtPlotCurve("y = sin(x)");
cSin->setRenderHint(QwtPlotItem::RenderAntialiased);
cSin->setLegendAttribute(QwtPlotCurve::LegendShowLine, true);
cSin->setPen(QPen(Qt::red));
cSin->attach(this);
QwtPlotCurve *cCos = new QwtPlotCurve("y = cos(x)");
cCos->setRenderHint(QwtPlotItem::RenderAntialiased);
cCos->setLegendAttribute(QwtPlotCurve::LegendShowLine, true);
cCos->setPen(QPen(Qt::blue));
cCos->attach(this);
// Create sin and cos data
cSin->setData(new FunctionData(::sin));
cCos->setData(new FunctionData(::cos));
// Insert markers
// ...a horizontal line at y = 0...
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabel(QString::fromLatin1("y = 0"));
mY->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
mY->setLineStyle(QwtPlotMarker::HLine);
mY->setYValue(0.0);
mY->attach(this);
// ...a vertical line at x = 2 * pi
QwtPlotMarker *mX = new QwtPlotMarker();
mX->setLabel(QString::fromLatin1("x = 2 pi"));
mX->setLabelAlignment(Qt::AlignLeft | Qt::AlignBottom);
mX->setLabelOrientation(Qt::Vertical);
mX->setLineStyle(QwtPlotMarker::VLine);
mX->setLinePen(QPen(Qt::black, 0, Qt::DashDotLine));
mX->setXValue(2.0 * M_PI);
mX->attach(this);
}
void caStripPlot::addText(double x, double y, char* text, QColor c, int fontsize)
{
QwtPlotMarker *mY = new QwtPlotMarker();
QwtText txt;
txt.setText(text);
txt.setFont(QFont("Helvetica",fontsize, QFont::Bold));
txt.setColor(c);
mY->setLabel(txt);
mY->setLabelAlignment(Qt::AlignRight | Qt::AlignTop);
mY->setXValue(x);
mY->setYValue(y);
mY->attach(this);
replot();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RicGridStatisticsDialog::setMarkers(const Rim3dOverlayInfoConfig::HistogramData& histData, QwtPlot* plot)
{
auto scale = plot->axisScaleDiv(QwtPlot::yLeft);
QwtPlotMarker* marker;
if (histData.p10 != HUGE_VAL)
{
marker = createVerticalPlotMarker(Qt::red, histData.p10);
marker->attach(plot);
}
if (histData.p90 != HUGE_VAL)
{
marker = createVerticalPlotMarker(Qt::red, histData.p90);
marker->attach(plot);
}
if (histData.mean != HUGE_VAL)
{
marker = createVerticalPlotMarker(Qt::blue, histData.mean);
marker->attach(plot);
}
}
void QgsGradientColorRampDialog::addPlotMarker( double x, double y, const QColor &color, bool isSelected )
{
QColor borderColor = color.darker( 200 );
borderColor.setAlpha( 255 );
QColor brushColor = color;
brushColor.setAlpha( 255 );
QwtPlotMarker *marker = new QwtPlotMarker();
marker->setSymbol( new QwtSymbol( QwtSymbol::Ellipse, QBrush( brushColor ), QPen( borderColor, isSelected ? 2 : 1 ), QSize( 8, 8 ) ) );
marker->setValue( x, y );
marker->attach( mPlot );
marker->setRenderHint( QwtPlotItem::RenderAntialiased, true );
mMarkers << marker;
}
void MainWindow::setInitialTimeDisplay(int start)
{
std::size_t ncols = _vm["file.ncols"].as<int>();
std::size_t nrows = _vm["file.nrows"].as<int>();
//TODO: move plotting to appropiate method
std::size_t numofplottedsamples = _vm["plot.num.samples"].as<int>();
_gridPlot->p->detachItems();
_gridPlot->setoffset(start);
double interrowoffset = _vm["inter.row.offset"].as<double>();
for (std::size_t row=0; row<nrows; ++row){
// for (std::size_t row=0; row<1; ++row){
std::vector<double> xs(numofplottedsamples);
std::vector<double> ys(numofplottedsamples);
std::stringstream strst;
std::string strTitle = "Row";
strst << strTitle << "-" << row;
strTitle = strst.str();
QwtPlotCurve *tscurve = new QwtPlotCurve((char *)strTitle.c_str());
for (std::size_t x = 0; x < numofplottedsamples; ++x)
{
if (x+start<ncols){
xs[x] = (x+start)/_gridPlot->gridXpixelsperunit; //position in seconds
if (_bf!=NULL) {
ys[x] = row*interrowoffset + (*_bf)(row,x+start)/_gridPlot->gridYpixelsperunit; //y value of that sample
} else if (_bfsi!=NULL) {
ys[x] = row*interrowoffset + (*_bfsi)(row,x+start)/_gridPlot->gridYpixelsperunit; //y value of that sample
}
}
}
tscurve->setSamples(&xs[0],&ys[0],xs.size());
tscurve->setPen(QPen(Qt::black));
QwtPlotMarker *rowNameText = new QwtPlotMarker();
rowNameText->setLabel(QString(strTitle.c_str()));
rowNameText->setXValue(xs[0]+0.25);
rowNameText->setYValue(row*interrowoffset-0.5);
rowNameText->attach(_gridPlot->p);
tscurve->attach(_gridPlot->p);
}
_gridPlot->resetzoom();
}
void Graph::addMarker(double val, const QColor &color, int axis)
{
QwtPlotMarker *m = new QwtPlotMarker();
m->setLineStyle(axis == QwtPlot::xBottom ? QwtPlotMarker::VLine : QwtPlotMarker::HLine);
m->setLinePen(QPen(color));
m->setYAxis(axis);
m->setValue(val, val);
m->attach(this);
m->setLabel(QString::number(val));
if(axis == QwtPlot::xBottom)
m->setLabelAlignment(Qt::AlignLeft | Qt::AlignVCenter);
else
m->setLabelAlignment(Qt::AlignTop | Qt::AlignHCenter);
getMarkers(axis).push_back(m);
}
void QmitkTbssRoiAnalysisWidget::drawBar(int x)
{
m_Plot->detachItems(QwtPlotItem::Rtti_PlotMarker, true);
QwtPlotMarker *mX = new QwtPlotMarker();
//mX->setLabel(QString::fromLatin1("selected point"));
mX->setLabelAlignment(Qt::AlignLeft | Qt::AlignBottom);
mX->setLabelOrientation(Qt::Vertical);
mX->setLineStyle(QwtPlotMarker::VLine);
mX->setLinePen(QPen(Qt::black, 0, Qt::SolidLine));
mX->setXValue(x);
mX->attach(m_Plot);
this->Replot();
}
void QgsVectorGradientColorRampV2Dialog::addPlotMarker( double x, double y, const QColor& color, bool isSelected )
{
QColor borderColor = color.darker( 200 );
borderColor.setAlpha( 255 );
QColor brushColor = color;
brushColor.setAlpha( 255 );
QwtPlotMarker *marker = new QwtPlotMarker();
#if defined(QWT_VERSION) && QWT_VERSION>=0x060000
marker->setSymbol( new QwtSymbol( QwtSymbol::Ellipse, QBrush( brushColor ), QPen( borderColor, isSelected ? 2 : 1 ), QSize( 10, 10 ) ) );
#else
marker->setSymbol( QwtSymbol( QwtSymbol::Ellipse, QBrush( brushColor ), QPen( borderColor, isSelected ? 2 : 1 ), QSize( 10, 10 ) ) );
#endif
marker->setValue( x, y );
marker->attach( mPlot );
marker->setRenderHint( QwtPlotItem::RenderAntialiased, true );
mMarkers << marker;
}
void VectorPlot::addMarking(const std::vector<int> &marking)
{
QwtDoubleRect boundingRect(0, 1, marking.size() - 1, 2);
setupPlot(boundingRect);
// this is gonna be slow...
for(unsigned i = 0; i < marking.size(); ++i) {
QwtPlotMarker* marker = new QwtPlotMarker();
QwtText text;
text.setText(QString::number(marking[i]));
marker->setLabel(text);
marker->setXValue((double)i);
marker->setYValue(0.0);
marker->attach(plot);
}
}
void VectorPlot::addHorizontalLine(double value, QString labelText)
{
QPen pen(QColor(0, 0, 255));
QwtPlotMarker* horizontalLineMarker = new QwtPlotMarker();
horizontalLineMarker->setLineStyle(QwtPlotMarker::HLine);
horizontalLineMarker->setLinePen(pen);
horizontalLineMarker->setYValue(value);
QwtText label;
label.setText(labelText);
QFont font = label.font();
font.setPointSize(9);
label.setFont(font);
horizontalLineMarker->setLabel(label);
horizontalLineMarker->setLabelAlignment(Qt::AlignTop | Qt::AlignLeft);
horizontalLineMarker->attach(plot);
}
Psd::Psd(QWidget *parent) :
QWidget(parent),
ui(new Ui::Psd)
{
ui->setupUi(this);
ui->plot->setTitle("原信号：cos(2*PI*40*i)+3*cos(2*PI*100*i)+w(n)");
ui->plot->setAutoFillBackground( true );
ui->plot->insertLegend( new QwtLegend(), QwtPlot::RightLegend );
ui->plot->setAutoReplot( false );
QwtPlotCanvas *canvas = new QwtPlotCanvas();
canvas->setLineWidth( 1 );
canvas->setFrameStyle( QFrame::Box | QFrame::Plain );
canvas->setBorderRadius( 15 );
QPalette canvasPalette( Qt::white );
canvasPalette.setColor( QPalette::Foreground, QColor( 133, 190, 232 ) );
canvas->setPalette( canvasPalette );
ui->plot->setCanvas( canvas );
( void ) new QwtPlotPanner( canvas );
( void ) new QwtPlotMagnifier( canvas );
cSin->setRenderHint( QwtPlotItem::RenderAntialiased );
cSin->setLegendAttribute( QwtPlotCurve::LegendShowLine, false );
cSin->setPen( Qt::red );
cSin->attach( ui->plot );
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabelAlignment( Qt::AlignRight | Qt::AlignTop );
mY->setLineStyle( QwtPlotMarker::HLine );
mY->setYValue( 0.0 );
mY->attach( ui->plot );
init();
pf();
populate();
}
void QgsHistogramWidget::drawHistogram()
{
if ( !mVectorLayer || mSourceFieldExp.isEmpty() )
return;
QApplication::setOverrideCursor( Qt::WaitCursor );
if ( mValues.empty() )
{
bool ok;
mValues = mVectorLayer->getDoubleValues( mSourceFieldExp, ok );
if ( ! ok )
{
QApplication::restoreOverrideCursor();
return;
}
qSort( mValues.begin(), mValues.end() );
mHistogram.setValues( mValues );
mBinsSpinBox->blockSignals( true );
mBinsSpinBox->setValue( qMax( mHistogram.optimalNumberBins(), 30 ) );
mBinsSpinBox->blockSignals( false );
mStats.setStatistics( QgsStatisticalSummary::StDev );
mStats.calculate( mValues );
}
// clear plot
mpPlot->detachItems();
//ensure all children get removed
mpPlot->setAutoDelete( true );
// Set axis titles
mpPlot->setAxisTitle( QwtPlot::xBottom, QObject::tr( "Value" ) );
mpPlot->setAxisTitle( QwtPlot::yLeft, QObject::tr( "Count" ) );
mpPlot->setAxisAutoScale( QwtPlot::yLeft );
mpPlot->setAxisAutoScale( QwtPlot::xBottom );
// add a grid
QwtPlotGrid * grid = new QwtPlotGrid();
grid->enableX( false );
grid->setPen( mGridPen );
grid->attach( mpPlot );
// make colors list
mHistoColors.clear();
foreach ( QgsRendererRangeV2 range, mRanges )
{
mHistoColors << ( range.symbol() ? range.symbol()->color() : Qt::black );
}
//draw histogram
#if defined(QWT_VERSION) && QWT_VERSION>=0x060000
QwtPlotHistogram * plotHistogram = 0;
plotHistogram = createPlotHistogram( mRanges.count() > 0 ? mRanges.at( 0 ).label() : QString(),
mRanges.count() > 0 ? QBrush( mHistoColors.at( 0 ) ) : mBrush,
mRanges.count() > 0 ? Qt::NoPen : mPen );
#else
HistogramItem *plotHistogramItem = 0;
plotHistogramItem = createHistoItem( mRanges.count() > 0 ? mRanges.at( 0 ).label() : QString(),
mRanges.count() > 0 ? QBrush( mHistoColors.at( 0 ) ) : mBrush,
mRanges.count() > 0 ? Qt::NoPen : mPen );
#endif
#if defined(QWT_VERSION) && QWT_VERSION>=0x060000
QVector<QwtIntervalSample> dataHisto;
#else
// we safely assume that QT>=4.0 (min version is 4.7), therefore QwtArray is a QVector, so don't set size here
QwtArray<QwtDoubleInterval> intervalsHisto;
QwtArray<double> valuesHisto;
#endif
int bins = mBinsSpinBox->value();
QList<double> edges = mHistogram.binEdges( bins );
QList<int> counts = mHistogram.counts( bins );
int rangeIndex = 0;
int lastValue = 0;
for ( int bin = 0; bin < bins; ++bin )
{
int binValue = counts.at( bin );
//current bin crosses two graduated ranges, so we split between
//two histogram items
if ( rangeIndex < mRanges.count() - 1 && edges.at( bin ) > mRanges.at( rangeIndex ).upperValue() )
{
rangeIndex++;
#if defined(QWT_VERSION) && QWT_VERSION>=0x060000
plotHistogram->setSamples( dataHisto );
plotHistogram->attach( mpPlot );
plotHistogram = createPlotHistogram( mRanges.at( rangeIndex ).label(), mHistoColors.at( rangeIndex ) );
dataHisto.clear();
dataHisto << QwtIntervalSample( lastValue, mRanges.at( rangeIndex - 1 ).upperValue(), edges.at( bin ) );
#else
plotHistogramItem->setData( QwtIntervalData( intervalsHisto, valuesHisto ) );
plotHistogramItem->attach( mpPlot );
plotHistogramItem = createHistoItem( mRanges.at( rangeIndex ).label(), mHistoColors.at( rangeIndex ) );
intervalsHisto.clear();
valuesHisto.clear();
intervalsHisto.append( QwtDoubleInterval( mRanges.at( rangeIndex - 1 ).upperValue(), edges.at( bin ) ) );
valuesHisto.append( lastValue );
#endif
}
double upperEdge = mRanges.count() > 0 ? qMin( edges.at( bin + 1 ), mRanges.at( rangeIndex ).upperValue() )
: edges.at( bin + 1 );
#if defined(QWT_VERSION) && QWT_VERSION>=0x060000
dataHisto << QwtIntervalSample( binValue, edges.at( bin ), upperEdge );
#else
intervalsHisto.append( QwtDoubleInterval( edges.at( bin ), upperEdge ) );
valuesHisto.append( double( binValue ) );
#endif
lastValue = binValue;
}
#if defined(QWT_VERSION) && QWT_VERSION>=0x060000
plotHistogram->setSamples( dataHisto );
plotHistogram->attach( mpPlot );
#else
plotHistogramItem->setData( QwtIntervalData( intervalsHisto, valuesHisto ) );
plotHistogramItem->attach( mpPlot );
#endif
mRangeMarkers.clear();
foreach ( QgsRendererRangeV2 range, mRanges )
{
QwtPlotMarker* rangeMarker = new QwtPlotMarker();
rangeMarker->attach( mpPlot );
rangeMarker->setLineStyle( QwtPlotMarker::VLine );
rangeMarker->setXValue( range.upperValue() );
rangeMarker->setLabel( QString::number( range.upperValue() ) );
rangeMarker->setLabelOrientation( Qt::Vertical );
rangeMarker->setLabelAlignment( Qt::AlignLeft | Qt::AlignTop );
rangeMarker->show();
mRangeMarkers << rangeMarker;
}
//
// Initialize main window
//
DataPlot::DataPlot(QWidget *parent):
QwtPlot(parent),
d_interval(0),
d_timerId(-1)
{
// Disable polygon clipping
QwtPainter::setDeviceClipping(false);
// We don't need the cache here
canvas()->setPaintAttribute(QwtPlotCanvas::PaintCached, false);
canvas()->setPaintAttribute(QwtPlotCanvas::PaintPacked, false);
#if QT_VERSION >= 0x040000
#ifdef Q_WS_X11
/*
Qt::WA_PaintOnScreen is only supported for X11, but leads
to substantial bugs with Qt 4.2.x/Windows
*/
canvas()->setAttribute(Qt::WA_PaintOnScreen, true);
#endif
#endif
alignScales();
// Initialize data
for (int i = 0; i< PLOT_SIZE; i++)
{
d_x[i] = 0.5 * i; // time axis
d_y[i] = 0;
d_z[i] = 0;
}
// Assign a title
setTitle("A Test for High Refresh Rates");
insertLegend(new QwtLegend(), QwtPlot::BottomLegend);
// Insert new curves
QwtPlotCurve *cRight = new QwtPlotCurve("Data Moving Right");
cRight->attach(this);
QwtPlotCurve *cLeft = new QwtPlotCurve("Data Moving Left");
cLeft->attach(this);
// Set curve styles
cRight->setPen(QPen(Qt::red));
cLeft->setPen(QPen(Qt::blue));
// Attach (don't copy) data. Both curves use the same x array.
cRight->setRawData(d_x, d_y, PLOT_SIZE);
cLeft->setRawData(d_x, d_z, PLOT_SIZE);
#if 0
// Insert zero line at y = 0
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
mY->setLineStyle(QwtPlotMarker::HLine);
mY->setYValue(0.0);
mY->attach(this);
#endif
// Axis
setAxisTitle(QwtPlot::xBottom, "Time/seconds");
setAxisScale(QwtPlot::xBottom, 0, 100);
setAxisTitle(QwtPlot::yLeft, "Values");
setAxisScale(QwtPlot::yLeft, -1.5, 1.5);
setTimerInterval(0.0);
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow),
m_accelXPoints(100, QPointF(0, 0)), m_accelYPoints(100, QPointF(0, 0)),
m_gyroXPoints(100, QPointF(0, 0)), m_gyroYPoints(100, QPointF(0, 0)),
m_counter(0), m_power(0)
{
ui->setupUi(this);
// init scenes
xScene = new QGraphicsScene();
yScene = new QGraphicsScene();
xScene->setBackgroundBrush(Qt::white);
yScene->setBackgroundBrush(Qt::white);
ui->xGraphicsView->setScene(xScene);
ui->yGraphicsView->setScene(yScene);
m_tcpSocket = new QTcpSocket(this);
connect(m_tcpSocket, SIGNAL(readyRead()), this, SLOT(onTcpRead()));
m_controlSocket = new QTcpSocket(this);
connect(m_tcpSocket, SIGNAL(readyRead()), this, SLOT(onControlRead()));
// connecting
connect(ui->connectButton, SIGNAL(clicked()), this, SLOT(connectToServer()));
connect(ui->disconnectButton, SIGNAL(clicked()), this, SLOT(disconnectFromServer()));
// control buttons
connect(ui->up2Button, SIGNAL(clicked()), this, SLOT(handleControlButton()));
connect(ui->up1Button, SIGNAL(clicked()), this, SLOT(handleControlButton()));
connect(ui->zeroButton, SIGNAL(clicked()), this, SLOT(handleControlButton()));
connect(ui->down1Button, SIGNAL(clicked()), this, SLOT(handleControlButton()));
connect(ui->down2Button, SIGNAL(clicked()), this, SLOT(handleControlButton()));
// plotting setup
m_accelXData = new QwtPointSeriesData();
m_accelYData = new QwtPointSeriesData();
m_accelXCurve = new QwtPlotCurve("Accel X");
m_accelYCurve = new QwtPlotCurve("Accel Y");
m_accelXCurve->setPen( QPen( Qt::black ) );
m_accelYCurve->setPen( QPen( Qt::red));
m_accelXCurve->attach( ui->plot );
m_accelYCurve->attach(ui->plot);
m_gyroXData = new QwtPointSeriesData();
m_gyroYData = new QwtPointSeriesData();
m_gyroXCurve = new QwtPlotCurve("Gyro X");
m_gyroYCurve = new QwtPlotCurve("Gyro Y");
m_gyroXCurve->setPen( QPen( Qt::green ) );
m_gyroYCurve->setPen( QPen( Qt::blue));
m_gyroXCurve->attach( ui->plot );
m_gyroYCurve->attach(ui->plot);
ui->plot->setCanvasBackground(Qt::white);
// Axes
ui->plot->setAxisTitle( QwtPlot::xBottom, "Seconds" );
ui->plot->setAxisTitle( QwtPlot::yLeft, "Degrees" );
ui->plot->setAxisScale( QwtPlot::yLeft, -90, 90 );
// zero line
QwtPlotMarker* zeroMarker = new QwtPlotMarker();
zeroMarker->setLineStyle(QwtPlotMarker::HLine);
zeroMarker->setLinePen(QPen(Qt::DotLine));
zeroMarker->setSymbol(new QwtSymbol(QwtSymbol::HLine));
zeroMarker->setYValue(0);
zeroMarker->attach(ui->plot);
updatePlot(0, 0, 0, 0);
}
/*!
* Initializes the Main Window
*/
DataPlot::DataPlot(QWidget *parent):
QwtPlot(parent),
d_interval(0),
d_timerId(-1),
min(0),
max(10)
{
id = 0;
plotAccx = plotAccy = plotMgx = plotMgy = plotTemp = plotMic = plotVl = plotIr = true;
auto_scale = false;
filter = new dataFilter();
for(int i = 0; i < 8; i++)
attached[i] = true;
// Disable polygon clipping
QwtPainter::setDeviceClipping(false);
running = false;
// We don't need the cache here
canvas()->setPaintAttribute(QwtPlotCanvas::PaintCached, false);
canvas()->setPaintAttribute(QwtPlotCanvas::PaintPacked, false);
#if QT_VERSION >= 0x040000
#ifdef Q_WS_X11
/*
Qt::WA_PaintOnScreen is only supported for X11, but leads
to substantial bugs with Qt 4.2.x/Windows
*/
canvas()->setAttribute(Qt::WA_PaintOnScreen, true);
#endif
#endif
alignScales();
// Initialize data
for (int i = 0; i< PLOT_SIZE; i++)
{
d_x[i] = 0.5 * i; // time axis
d_mgx[i] = 0;
d_mgy[i] = 0;
d_accx[i] = 0;
d_accy[i] = 0;
d_mic[i] = 0;
d_ir[i] = 0;
d_temp[i] = 0;
}
// Assign a title
setTitle(QString("Sensors for Node %1").arg(id));
insertLegend(new QwtLegend(), QwtPlot::BottomLegend);
// Insert new curves
mgxPlot = new QwtPlotCurve("MGx");
//mgxFilteredPlot = new QwtPlotCurve("Filtered MGx");
mgyPlot = new QwtPlotCurve("MGy");
//mgyPlot = new QwtPlotCurve("Moving Average");
AccyPlot = new QwtPlotCurve("ACCy");
//AccyPlot = new QwtPlotCurve("e");
AccxPlot = new QwtPlotCurve("ACCx");
tempPlot = new QwtPlotCurve("Temp");
irPlot = new QwtPlotCurve("IR");
micPlot = new QwtPlotCurve("MIC");
vlPlot = new QwtPlotCurve("VL");
AccyPlot->attach(this);
AccxPlot->attach(this);
mgxPlot->attach(this);
//mgxFilteredPlot->attach(this);
mgyPlot->attach(this);
tempPlot->attach(this);
irPlot->attach(this);
micPlot->attach(this);
vlPlot->attach(this);
const QColor bgColor(255,255,255);
#if QT_VERSION < 0x040000
setPaletteBackgroundColor(bgColor);
#else
QPalette p = palette();
p.setColor(backgroundRole(), bgColor);
setPalette(p);
#endif
//! \todo Change line thickness
// Set curve styles
QPen *pen = new QPen(Qt::darkBlue);
pen->setWidth(2);
mgxPlot->setPen(*pen);
QwtSplineCurveFitter *f = new QwtSplineCurveFitter();
f->setFitMode(QwtSplineCurveFitter::Spline);
mgxPlot->setCurveFitter(f);
pen->setColor(Qt::darkMagenta);
//mgxFilteredPlot->setPen(*pen);
pen->setColor(Qt::red);
mgyPlot->setPen(*pen);
mgyPlot->setCurveFitter(f);
pen->setColor(Qt::green);
AccyPlot->setPen(*pen);
AccyPlot->setCurveFitter(f);
pen->setColor(Qt::darkGray);
AccxPlot->setPen(*pen);
AccxPlot->setCurveFitter(f);
pen->setColor(Qt::yellow);
tempPlot->setPen(*pen);
tempPlot->setCurveFitter(f);
pen->setColor(Qt::darkGreen);
irPlot->setPen(*pen);
irPlot->setCurveFitter(f);
pen->setColor(Qt::magenta);
micPlot->setPen(*pen);
micPlot->setCurveFitter(f);
pen->setColor(Qt::darkRed);
vlPlot->setPen(*pen);
vlPlot->setCurveFitter(f);
// Attach (don't copy) data. Both curves use the same x array.
mgxPlot->setRawData(d_x, d_mgx, PLOT_SIZE);
// mgxFilteredPlot->setRawData(d_x, d_fmgx, PLOT_SIZE);
mgyPlot->setRawData(d_x, d_mgy, PLOT_SIZE);
AccyPlot->setRawData(d_x, d_accy, PLOT_SIZE);
AccxPlot->setRawData(d_x, d_accx, PLOT_SIZE);
tempPlot->setRawData(d_x, d_temp, PLOT_SIZE);
irPlot->setRawData(d_x, d_ir, PLOT_SIZE);
micPlot->setRawData(d_x, d_mic, PLOT_SIZE);
vlPlot->setRawData(d_x, d_vl, PLOT_SIZE);
#if 0
// Insert zero line at y = 0
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
mY->setLineStyle(QwtPlotMarker::HLine);
mY->setYValue(0.0);
mY->attach(this);
#endif
// Axis
setAxisTitle(QwtPlot::xBottom, "Time/seconds");
setAxisScale(QwtPlot::xBottom, 0, 100);
setAxisTitle(QwtPlot::yLeft, "Values");
setAxisScale(QwtPlot::yLeft, 0, 10);
setTimerInterval(0.0);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuPvtPlotWidget::plotCurves(RiaEclipseUnitTools::UnitSystem unitSystem, const std::vector<RigFlowDiagSolverInterface::PvtCurve>& curveArr, double pressure, double pointMarkerYValue, QString pointMarkerLabel, QString plotTitle, QString yAxisTitle)
{
m_qwtPlot->detachItems(QwtPlotItem::Rtti_PlotCurve);
m_qwtPlot->detachItems(QwtPlotItem::Rtti_PlotMarker);
m_qwtCurveArr.clear();
m_pvtCurveArr.clear();
m_trackerPlotMarker = nullptr;
// Construct an auxiliary curve that connects the first point in all the input curves as a visual aid
// This should only be shown when the phase being plotted is oil
// Will not be added to our array of qwt curves since we do not expect the user to interact with it
{
std::vector<double> xVals;
std::vector<double> yVals;
for (size_t i = 0; i < curveArr.size(); i++)
{
const RigFlowDiagSolverInterface::PvtCurve& curve = curveArr[i];
if (curve.phase == RigFlowDiagSolverInterface::PvtCurve::OIL && curve.pressureVals.size() > 0 && curve.yVals.size() > 0)
{
xVals.push_back(curve.pressureVals[0]);
yVals.push_back(curve.yVals[0]);
}
}
if (xVals.size() > 1)
{
QwtPlotCurve* qwtCurve = new QwtPlotCurve();
qwtCurve->setSamples(xVals.data(), yVals.data(), static_cast<int>(xVals.size()));
qwtCurve->setStyle(QwtPlotCurve::Lines);
qwtCurve->setRenderHint(QwtPlotItem::RenderAntialiased, true);
QColor curveClr = Qt::darkGreen;
const QPen curvePen(curveClr);
qwtCurve->setPen(curvePen);
qwtCurve->attach(m_qwtPlot);
}
}
// Add the primary curves
for (size_t i = 0; i < curveArr.size(); i++)
{
const RigFlowDiagSolverInterface::PvtCurve& curve = curveArr[i];
QwtPlotCurve* qwtCurve = new QwtPlotCurve();
CVF_ASSERT(curve.pressureVals.size() == curve.yVals.size());
qwtCurve->setSamples(curve.pressureVals.data(), curve.yVals.data(), static_cast<int>(curve.pressureVals.size()));
qwtCurve->setStyle(QwtPlotCurve::Lines);
QColor curveClr = Qt::magenta;
if (curve.phase == RigFlowDiagSolverInterface::PvtCurve::GAS) curveClr = QColor(Qt::red);
else if (curve.phase == RigFlowDiagSolverInterface::PvtCurve::OIL) curveClr = QColor(Qt::green);
const QPen curvePen(curveClr);
qwtCurve->setPen(curvePen);
qwtCurve->setRenderHint(QwtPlotItem::RenderAntialiased, true);
QwtSymbol* curveSymbol = new QwtSymbol(QwtSymbol::Ellipse);
curveSymbol->setSize(6, 6);
curveSymbol->setPen(curvePen);
curveSymbol->setBrush(Qt::NoBrush);
qwtCurve->setSymbol(curveSymbol);
qwtCurve->attach(m_qwtPlot);
m_qwtCurveArr.push_back(qwtCurve);
}
m_pvtCurveArr = curveArr;
CVF_ASSERT(m_pvtCurveArr.size() == m_qwtCurveArr.size());
// Add vertical marker line to indicate cell pressure
if (pressure != HUGE_VAL)
{
QwtPlotMarker* lineMarker = new QwtPlotMarker;
lineMarker->setXValue(pressure);
lineMarker->setLineStyle(QwtPlotMarker::VLine);
lineMarker->setLinePen(QPen(QColor(128, 128, 255), 1, Qt::DashLine));
lineMarker->setLabel(QString("PRESSURE"));
lineMarker->setLabelAlignment(Qt::AlignTop | Qt::AlignRight);
lineMarker->setLabelOrientation(Qt::Vertical);
lineMarker->attach(m_qwtPlot);
}
// Then point marker
if (pressure != HUGE_VAL && pointMarkerYValue != HUGE_VAL)
{
QwtPlotMarker* pointMarker = new QwtPlotMarker;
pointMarker->setValue(pressure, pointMarkerYValue);
QColor markerClr(128, 0, 255);
QwtSymbol* symbol = new QwtSymbol(QwtSymbol::Ellipse);
symbol->setSize(13, 13);
symbol->setPen(QPen(markerClr, 2));
symbol->setBrush(Qt::NoBrush);
pointMarker->setSymbol(symbol);
if (!pointMarkerLabel.isEmpty())
{
QwtText text(pointMarkerLabel);
text.setRenderFlags(Qt::AlignLeft);
text.setColor(markerClr);
pointMarker->setLabel(text);
pointMarker->setLabelAlignment(Qt::AlignTop | Qt::AlignRight);
}
pointMarker->attach(m_qwtPlot);
}
m_qwtPlot->setTitle(plotTitle);
m_qwtPlot->setAxisTitle(QwtPlot::xBottom, QString("Pressure [%1]").arg(RiaEclipseUnitTools::unitStringPressure(unitSystem)));
m_qwtPlot->setAxisTitle(QwtPlot::yLeft, yAxisTitle);
updateTrackerPlotMarkerAndLabelFromPicker();
m_qwtPlot->replot();
}
Plot::Plot(QWidget *parent):
QwtPlot( parent )
{
setAutoFillBackground( true );
setPalette( QPalette( QColor( 165, 193, 228 ) ) );
updateGradient();
setTitle( "График аппроксимации" );
insertLegend( new QwtLegend(), QwtPlot::RightLegend );
// axes
setAxisTitle( xBottom, "" );
setAxisScale( xBottom, 0.0, 10.0 );
setAxisTitle( yLeft, "Функция принадлежности -->" );
setAxisScale( yLeft, 0, 2 );
// canvas
QwtPlotCanvas *canvas = new QwtPlotCanvas();
canvas->setLineWidth( 1 );
canvas->setFrameStyle( QFrame::Box | QFrame::Plain );
canvas->setBorderRadius( 15 );
QPalette canvasPalette( Qt::white );
canvasPalette.setColor( QPalette::Foreground, QColor( 133, 190, 232 ) );
canvas->setPalette( canvasPalette );
setCanvas( canvas );
// panning with the left mouse button
( void ) new QwtPlotPanner( canvas );
// zoom in/out with the wheel
( void ) new QwtPlotMagnifier( canvas );
// ...a horizontal line at y = 0...
QwtPlotMarker *mY = new QwtPlotMarker();
mY->setLabel( QString::fromLatin1( "y = 0" ) );
mY->setLabelAlignment( Qt::AlignRight | Qt::AlignTop );
mY->setLineStyle( QwtPlotMarker::HLine );
mY->setYValue( 0.0 );
mY->attach( this );
// ...a horizontal line at y = 1...
QwtPlotMarker *mY1 = new QwtPlotMarker();
mY1->setLabel( QString::fromLatin1( "y = 1" ) );
mY1->setLabelAlignment( Qt::AlignRight | Qt::AlignTop );
mY1->setLineStyle( QwtPlotMarker::HLine );
mY1->setYValue( 1.0 );
mY1->setLinePen(Qt::black, 1, Qt::DashLine);
mY1->attach( this );
// ...a vertical line at x = 0
QwtPlotMarker *mX = new QwtPlotMarker();
mX->setLabel( QString::fromLatin1( "x = 0" ) );
mX->setLabelAlignment( Qt::AlignLeft | Qt::AlignBottom );
mX->setLabelOrientation( Qt::Vertical );
mX->setLineStyle( QwtPlotMarker::VLine );
mX->setLinePen( Qt::black, 0, Qt::DashDotLine );
mX->setXValue( 0 );
mX->attach( this );
// curvePoints = new QwtPlotCurve();
// curvePoints->setStyle( QwtPlotCurve::Dots );
// curvePoints->attach( this );
}
void Plot::populate()
{
GridItem *gridItem = new GridItem();
#if 0
gridItem->setOrientations( Qt::Horizontal );
#endif
gridItem->attach( this );
const Qt::GlobalColor colors[] =
{
Qt::red,
Qt::blue,
Qt::darkCyan,
Qt::darkMagenta,
Qt::darkYellow
};
const int numColors = sizeof( colors ) / sizeof( colors[0] );
for ( int i = 0; i < QuoteFactory::NumStocks; i++ )
{
QuoteFactory::Stock stock = static_cast<QuoteFactory::Stock>( i );
QwtPlotTradingCurve *curve = new QwtPlotTradingCurve();
curve->setTitle( QuoteFactory::title( stock ) );
curve->setOrientation( Qt::Vertical );
curve->setSamples( QuoteFactory::samples2010( stock ) );
// as we have one sample per day a symbol width of
// 12h avoids overlapping symbols. We also bound
// the width, so that is is not scaled below 3 and
// above 15 pixels.
curve->setSymbolExtent( 12 * 3600 * 1000.0 );
curve->setMinSymbolWidth( 3 );
curve->setMaxSymbolWidth( 15 );
const Qt::GlobalColor color = colors[ i % numColors ];
curve->setSymbolPen( color );
curve->setSymbolBrush( QwtPlotTradingCurve::Decreasing, color );
curve->setSymbolBrush( QwtPlotTradingCurve::Increasing, Qt::white );
curve->attach( this );
showItem( curve, true );
}
for ( int i = 0; i < 2; i++ )
{
QwtPlotMarker *marker = new QwtPlotMarker();
marker->setTitle( QString( "Event %1" ).arg( i + 1 ) );
marker->setLineStyle( QwtPlotMarker::VLine );
marker->setLinePen( colors[ i % numColors ], 0, Qt::DashLine );
marker->setVisible( false );
QDateTime dt( QDate( 2010, 1, 1 ) );
dt = dt.addDays( 77 * ( i + 1 ) );
marker->setValue( QwtDate::toDouble( dt ), 0.0 );
marker->setItemAttribute( QwtPlotItem::Legend, true );
marker->attach( this );
}
// to show how QwtPlotZoneItem works
ZoneItem *zone1 = new ZoneItem( "Zone 1");
zone1->setColor( Qt::darkBlue );
zone1->setInterval( QDate( 2010, 3, 10 ), QDate( 2010, 3, 27 ) );
zone1->setVisible( false );
zone1->attach( this );
ZoneItem *zone2 = new ZoneItem( "Zone 2");
zone2->setColor( Qt::darkMagenta );
zone2->setInterval( QDate( 2010, 8, 1 ), QDate( 2010, 8, 24 ) );
zone2->setVisible( false );
zone2->attach( this );
}
