void PlotSectorHistogram::updateIntervals( const SectorHistogram &histogram)
{
_datasCurveIntervals->clear();
QVector<QwtIntervalSample> curveHistogramIntervalsDatas;
const int nbIntervals = histogram.nbIntervals();
if ( nbIntervals > 0 )
{
QVector< Interval<uint> >::ConstIterator begin = histogram.intervals().begin();
const QVector< Interval<uint> >::ConstIterator end = histogram.intervals().end();
const uint nbSectors = PieChartSingleton::getInstance()->nbSectors();
uint min, max, i;
qDebug() << "Intervalles d'angles' :";
while ( begin != end )
{
const Interval<uint> ¤tInterval = *begin++;
min = currentInterval.min();
max = currentInterval.max();
if ( currentInterval.isValid() )
{
_datasCurveIntervals->append(QwtPointPolar( PieChartSingleton::getInstance()->sector(min).minAngle(), 0. ));
for ( i=min ; i<=max ; ++i )
{
const PiePart ¤tSector = PieChartSingleton::getInstance()->sector(i);
_datasCurveIntervals->append(QwtPointPolar(currentSector.minAngle(),histogram[i]));
_datasCurveIntervals->append(QwtPointPolar(currentSector.maxAngle(), histogram[i]));
curveHistogramIntervalsDatas.append(QwtIntervalSample( histogram[i],currentSector.minAngle(),currentSector.maxAngle()));
}
_datasCurveIntervals->append(QwtPointPolar( PieChartSingleton::getInstance()->sector(max).maxAngle(), 0. ));
}
else
{
_datasCurveIntervals->append(QwtPointPolar( PieChartSingleton::getInstance()->sector(min).minAngle(), 0. ));
for ( i=min ; i<nbSectors ; ++i )
{
const PiePart ¤tSector = PieChartSingleton::getInstance()->sector(i);
_datasCurveIntervals->append(QwtPointPolar(currentSector.minAngle(), histogram[i]));
_datasCurveIntervals->append(QwtPointPolar(currentSector.maxAngle(), histogram[i]));
curveHistogramIntervalsDatas.append(QwtIntervalSample( histogram[i],currentSector.minAngle(),currentSector.maxAngle()));
}
for ( i=0 ; i<=max ; ++i )
{
const PiePart ¤tSector = PieChartSingleton::getInstance()->sector(i);
_datasCurveIntervals->append(QwtPointPolar(currentSector.minAngle(), histogram[i]));
_datasCurveIntervals->append(QwtPointPolar(currentSector.maxAngle(), histogram[i]));
curveHistogramIntervalsDatas.append(QwtIntervalSample( histogram[i],currentSector.minAngle(),currentSector.maxAngle()));
}
_datasCurveIntervals->append(QwtPointPolar( PieChartSingleton::getInstance()->sector(max).maxAngle(), 0. ));
}
qDebug() << " [ " << min << ", " << max << " ] => [" << PieChartSingleton::getInstance()->sector(min).minAngle()*RAD_TO_DEG_FACT << ", " << PieChartSingleton::getInstance()->sector(max).maxAngle()*RAD_TO_DEG_FACT << "] avec largeur = " << (max>min?max-min:360-min+max);
}
}
_histogramIntervals.setSamples(curveHistogramIntervalsDatas);
}
/*******************************
* Private functions
*******************************/
void PlotSectorHistogram::updateDatas( const SectorHistogram &histogram )
{
const int nbSectors = histogram.size();
QVector<QwtIntervalSample> datasHistogram(0);
if ( nbSectors > 0 )
{
datasHistogram.fill(QwtIntervalSample(),nbSectors);
_datasCurve->resize(2*nbSectors+1);
QVector<QwtPointPolar>::Iterator beginCurve = _datasCurve->begin();
QVector<QwtIntervalSample>::Iterator beginHist = datasHistogram.begin();
int i, value;
qreal left, right;
for ( i=0 ; i<nbSectors ; ++i )
{
const PiePart &part = PieChartSingleton::getInstance()->sector(i);
value = histogram[i];
left = part.maxAngle();
right = part.minAngle();
(*beginCurve).setAzimuth(right);
(*beginCurve++).setRadius(value);
(*beginCurve).setAzimuth(left);
(*beginCurve++).setRadius(value);
(*beginHist).value = value;
(*beginHist++).interval.setInterval(right,left);
}
(*beginCurve).setAzimuth(PieChartSingleton::getInstance()->sector(0).minAngle());
(*beginCurve).setRadius(histogram[0]);
}
else
{
_datasCurve->resize(0);
}
_histogramData.setSamples(datasHistogram);
}
void HistogramWindow::createHistogram(const QVector<int> &data,
QwtPlot *plot,
QwtPlotHistogram *hist,
HistogramWindow::Color color)
{
QVector<QwtIntervalSample> samples;
for(int i = 0; i < data.size(); i++)
samples.append(QwtIntervalSample(data[i],i, i+1));
hist->setSamples(samples);
hist->attach(plot);
QColor penColor, brushColor;
switch (color) {
case RED:
penColor = QColor(255, 0, 0, 100);
brushColor = QColor(255, 0, 0, 255);
break;
case GREEN:
penColor = QColor(0, 255, 0, 100);
brushColor = QColor(0, 255, 0, 255);
break;
case BLUE:
penColor = QColor(0, 0, 255, 100);
brushColor = QColor(0, 0, 255, 255);
break;
}
hist->setPen(QPen(penColor));
hist->setBrush(QBrush(brushColor));
plot->setAxisScale(2, 0, 255);
plot->setSizePolicy(this->sizePolicy());
plot->replot();
}
void QmitkHistogramWidget::SetHistogram(HistogramType::ConstPointer itkHistogram)
{
HistogramType::SizeType size = itkHistogram->GetSize();
HistogramType::IndexType index;
HistogramType::MeasurementVectorType currentMeasurementVector;
QVector<QwtIntervalSample> intervalSeries(size[0]);
for (unsigned int i = 0; i < size[0]; ++i)
{
index[0] = static_cast<HistogramType::IndexValueType> (i);
currentMeasurementVector = itkHistogram->GetMeasurementVector(index);
if (currentMeasurementVector[0] != 0.0)
{
intervalSeries[i] = QwtIntervalSample(static_cast<double> (itkHistogram->GetFrequency(index)),
Round(currentMeasurementVector[0]-1), Round(currentMeasurementVector[0]));
}
}
// rebuild the plot
m_Plot->detachItems();
m_Histogram = new QmitkHistogram();
m_Histogram->setColor(Qt::darkCyan);
m_Histogram->setData(QwtIntervalSeriesData(intervalSeries));
m_Histogram->attach(m_Plot);
this->InitializeMarker();
this->InitializeZoomer();
m_Plot->replot();
}
void CBandScope::setSamples(int16_t* data, int length) {
for (int i=minoffset; i < length+minoffset; i++) {
//qDebug() <<"data="<< data[i-minoffset];
samples[i] = QwtIntervalSample(data[i-minoffset],i,i+1);
}
bandscope->setSamples(samples);
qwtPlot->replot();
}
void Histogram::setValue(const double x, const double y)
{
QVector<QwtIntervalSample> samples(1);
QwtInterval interval(x - 0.4, x + 0.4);
interval.setBorderFlags(QwtInterval::ExcludeMaximum);
samples[0] = QwtIntervalSample(y, interval);
setData(new QwtIntervalSeriesData(samples));
}
void Sample::dataChangeHistogram(const Histogram::GraphicType& type)
{
QVector<QwtIntervalSample> histogramSamples;
QList<StatClass>::const_iterator it = m_classModel.constBegin();
switch(type){
case Histogram::Absolute:
while(it != m_classModel.constEnd()){
histogramSamples.append(QwtIntervalSample((*it).absoluteFrequency(),(*it).begin().toDouble(m_classModel.fix()),
(*it).end().toDouble(m_classModel.fix())));
it++;
}
m_histogram.setAxisTitle(QwtPlot::yLeft,"Absolute frequency");
break;
case Histogram::Relative:
while(it!= m_classModel.constEnd()){
histogramSamples.append(QwtIntervalSample((*it).relativeFrequency().toDouble(m_classModel.fix()),
(*it).begin().toDouble(m_classModel.fix()),(*it).end().toDouble(m_classModel.fix())));
it++;
}
m_histogram.setAxisTitle(QwtPlot::yLeft,"Relative frequency");
break;
case Histogram::Percents:
while(it !=m_classModel.constEnd()){
histogramSamples.append(QwtIntervalSample((*it).percents().toDouble(m_classModel.fix()),
(*it).begin().toDouble(m_classModel.fix()), (*it).end().toDouble(m_classModel.fix())));
it++;
}
m_histogram.setAxisTitle(QwtPlot::yLeft,"Percents %");
break;
default:
return;
break;
}
m_histogram.setNewSamples(histogramSamples);
m_histogram.replot();
return;
}
Plot::Plot( QWidget *parent ):
QwtPlot( parent )
{
setObjectName( "FriedbergPlot" );
setTitle( "Temperature of Friedberg/Germany" );
setAxisTitle( QwtPlot::xBottom, "2007" );
setAxisScaleDiv( QwtPlot::xBottom, yearScaleDiv() );
setAxisScaleDraw( QwtPlot::xBottom, new YearScaleDraw() );
setAxisTitle( QwtPlot::yLeft,
QString( "Temperature [%1C]" ).arg( QChar( 0x00B0 ) ) );
// grid
QwtPlotGrid *grid = new Grid;
grid->attach( this );
insertLegend( new QwtLegend(), QwtPlot::RightLegend );
const int numDays = 365;
QVector<QPointF> averageData( numDays );
QVector<QwtIntervalSample> rangeData( numDays );
for ( int i = 0; i < numDays; i++ )
{
const Temperature &t = friedberg2007[i];
averageData[i] = QPointF( double( i ), t.averageValue );
rangeData[i] = QwtIntervalSample( double( i ),
QwtInterval( t.minValue, t.maxValue ) );
}
insertCurve( "Average", averageData, Qt::black );
insertErrorBars( "Range", rangeData, Qt::blue );
// 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() );
zoomer->setRubberBandPen( QColor( Qt::black ) );
zoomer->setTrackerPen( QColor( Qt::black ) );
zoomer->setMousePattern( QwtEventPattern::MouseSelect2,
Qt::RightButton, Qt::ControlModifier );
zoomer->setMousePattern( QwtEventPattern::MouseSelect3,
Qt::RightButton );
QwtPlotPanner *panner = new QwtPlotPanner( canvas() );
panner->setMouseButton( Qt::MidButton );
canvas()->setPalette( Qt::darkGray );
canvas()->setBorderRadius( 10 );
}
void Task4::process()
{
const uint nexp = ui->nexp->value();
const quint8 dx = qFloor(3.32 * log10(nexp)) + 1;
QVector<qreal> experiments;
srand(QDateTime::currentDateTime().toTime_t());
for (uint i = nexp; i; --i)
experiments << 1.0 * rand() / RAND_MAX;
qSort(experiments);
uint j = 0;
uint captured[dx];
memset(captured, 0, dx * sizeof(uint));
foreach (const qreal& v, experiments)
{
if (v >= (j + 1.0)/dx)
++j;
++captured[j];
}
QVector<QwtIntervalSample> samples;
for (j = 0; j < dx; ++j)
{
ui->textBrowser->append(
QString::fromUtf8("Интервал [%2/%1; %3/%1]: %4 значений")
.arg(dx)
.arg(j)
.arg(j+1)
.arg(captured[j]));
samples << QwtIntervalSample(captured[j], 1.0 * j / dx, (j+1.0)/dx);
}
hist->setSamples(samples);
plot->replot();
qreal xi_emp = 0.0;
qreal expected = 1.0 * nexp / dx;
for (uint j = 0; j < dx; ++j)
xi_emp += (captured[j] - expected) * (captured[j] - expected) / expected;
ui->textBrowser->append(QString::fromUtf8(
"Хи теоретическое: %1. Хи эмперическое: %2.")
.arg(chi[dx-4])
.arg(xi_emp));
if (chi[dx-4] > xi_emp)
ui->textBrowser->append(QString::fromUtf8(
"Нет основание опровергать гипотезу о равномерности распределения"));
else
ui->textBrowser->append(QString::fromUtf8(
"Гипотеза не верна"));
}
void Histogram::setValues(uint numValues, QVector<float> *valores)
{
QVector<QwtIntervalSample> samples(numValues);
for (uint i = 0; i < numValues; i++ ) {
QwtInterval interval(double(i), i + 1);
interval.setBorderFlags(QwtInterval::IncludeBorders);
samples[i] = QwtIntervalSample((double)(valores->at(i)), interval);
}
setData(new QwtIntervalSeriesData(samples));
}
void Histogram::setValues( uint numValues, const double *values )
{
QVector<QwtIntervalSample> samples( numValues );
for ( uint i = 0; i < numValues; i++ )
{
QwtInterval interval( double( i ), i + 1.0 );
interval.setBorderFlags( QwtInterval::ExcludeMaximum );
samples[i] = QwtIntervalSample( values[i], interval );
}
setData( new QwtIntervalSeriesData( samples ) );
}
void CBandScope::setSamples(QString data)
{
// Offset of those samples
bool ok;
int offset = data.mid(3,2).toInt(&ok,16);
for(int i=0; i < 16; i++) {
// update sample at position with new value
double sample = data.mid(5+i*2,2).toInt(&ok,16);
samples[offset+i] = QwtIntervalSample(sample,offset+i,offset+i+1);
}
// Update samples
bandscope->setSamples(samples);
qwtPlot->replot();
}
int main( int argc, char **argv )
{
//using HistogramItem = QwtPlotItem;
using HistogramItem = QwtPlotHistogram;
//using QwtIntervalData = QwtSeriesData<QwtIntervalSample>;
QApplication a(argc, argv);
QwtPlot plot;
plot.setCanvasBackground(QColor(Qt::white));
plot.setTitle("Histogram");
QwtPlotGrid *grid = new QwtPlotGrid;
grid->enableXMin(true);
grid->enableYMin(true);
grid->setMajorPen(QPen(Qt::black, 0, Qt::DotLine));
grid->setMinorPen(QPen(Qt::gray, 0 , Qt::DotLine));
grid->attach(&plot);
HistogramItem *histogram = new HistogramItem;
//histogram->setColor(Qt::darkCyan);
const int numValues = 20;
//QwtArray<QwtDoubleInterval> intervals(numValues);
QwtArray<QwtIntervalSample> intervals(numValues);
QwtArray<double> values(numValues);
double pos = 0.0;
for ( int i = 0; i < (int)intervals.size(); i++ )
{
//const int width = 5 + rand() % 15;
const int value = rand() % 100;
//intervals[i] = QwtDoubleInterval(pos, pos + double(width));
intervals[i] = QwtIntervalSample(value, pos, pos + double(width));
//values[i] = value;
pos += width;
}
//histogram->setData(QwtIntervalData(intervals, values));
histogram->setSamples(intervals);
//histogram->setSamples(QwtIntervalData(intervals, values));
//QwtIntervalData d;
//histogram->setData(d);
histogram->attach(&plot);
plot.setAxisScale(QwtPlot::yLeft, 0.0, 100.0);
plot.setAxisScale(QwtPlot::xBottom, 0.0, pos);
plot.replot();
plot.resize(600,400);
plot.show();
return a.exec();
}
void PlotKnotPithProfile::update( const KnotPithProfile & histogram )
{
QVector<QwtIntervalSample> datasHistogram(0);
if ( histogram.size() > 0 )
{
datasHistogram.reserve(histogram.size());
int i=0;
QVector<qreal>::ConstIterator begin = histogram.begin();
const QVector<qreal>::ConstIterator end = histogram.end();
while ( begin != end )
{
datasHistogram.append(QwtIntervalSample(qAcos(*begin++)*RAD_TO_DEG_FACT,i,i+1));
++i;
}
}
_histogramData.setSamples(datasHistogram);
}
void PlotIntensityDistributionHistogram::updateDatas( const IntensityDistributionHistogram &histogram, const Interval<int> &intensityInterval )
{
QVector<QwtIntervalSample> datasHistogram(0);
if ( histogram.size() > 0 )
{
datasHistogram.reserve(histogram.size());
int i=intensityInterval.min();
QVector<qreal>::ConstIterator begin = histogram.begin();
const QVector<qreal>::ConstIterator end = histogram.end();
while ( begin != end )
{
datasHistogram.append(QwtIntervalSample(*begin++,i,i+1));
++i;
}
}
_histogramData.setSamples(datasHistogram);
}
void PlotEllipticalAccumulationHistogram::updateDatas( const EllipticalAccumulationHistogram & histogram )
{
QVector<QwtIntervalSample> datasHistogram(0);
if ( histogram.size() > 0 )
{
datasHistogram.reserve(histogram.size());
int i=0;
QVector<qreal>::ConstIterator begin = histogram.begin();
const QVector<qreal>::ConstIterator end = histogram.end();
while ( begin != end )
{
datasHistogram.append(QwtIntervalSample(*begin++,i,i+1));
++i;
}
}
_histogramData.setSamples(datasHistogram);
}
void PlotEllipticalAccumulationHistogram::updateMaximums( const EllipticalAccumulationHistogram & histogram )
{
QVector<QwtIntervalSample> datasMaximums(0);
if ( histogram.nbMaximums() > 0 )
{
datasMaximums.reserve(histogram.nbMaximums());
int slice;
QVector<uint>::ConstIterator begin = histogram.maximums().begin();
const QVector<uint>::ConstIterator end = histogram.maximums().end();
while ( begin != end )
{
slice = *begin++;
datasMaximums.append(QwtIntervalSample(histogram[slice],slice,slice+1));
}
}
_histogramMaximums.setSamples(datasMaximums);
}
int qfit::plotLinearData()
{
/* standard data */
data_plot = new QwtPlotCurve("data");
data_plot->setSamples(&xdata.at(0), &ydata.at(0), xdata.size());
data_plot->setSymbol(new QwtSymbol(QwtSymbol::XCross, Qt::NoBrush, QPen(Qt::black), QSize(8, 8)));
data_plot->setStyle(QwtPlotCurve::NoCurve);
data_plot->setRenderHint(QwtPlotItem::RenderAntialiased);
/* error bars */
range_plot = new QwtPlotIntervalCurve("range");
QVector<QwtIntervalSample> range(xdata.size());
for(int i = 0; i < (int)xdata.size(); i++) {
range[i] = QwtIntervalSample(xdata.at(i), ydata.at(i) - yerrors.at(i), ydata.at(i) + yerrors.at(i));
}
QwtIntervalSymbol *errorbar = new QwtIntervalSymbol(QwtIntervalSymbol::Bar);
errorbar->setPen(QPen(Qt::black, 1));
range_plot->setSamples(range);
range_plot->setSymbol(errorbar);
range_plot->setStyle(QwtPlotIntervalCurve::NoCurve);
/* model */
FitTools::LinearFitResult tmp = fit->getLinearResult();
double x[2], y[2];
x[0] = xdata.at(0);
x[1] = xdata.back();
y[0] = tmp.m * x[0] + tmp.q;
y[1] = tmp.m * x[1] + tmp.q;
model_plot = new QwtPlotCurve("y=mx+q");
model_plot->setSamples(x, y, 2);
model_plot->setPen(QPen(Qt::red, 1));
model_plot->setRenderHint(QwtPlotItem::RenderAntialiased);
data_plot->attach(qwtPlot);
range_plot->attach(qwtPlot);
model_plot->attach(qwtPlot);
return(0);
}
void RangeSelectWidget::updateHistogram()
{
const ndimdata::DataStatistic &statistic(m_statistic);
const QVector<size_t> bins = QVector<size_t>::fromStdVector(statistic.histogram);
double min = statistic.min;
double max = statistic.max;
double bin_width = (max - min) / bins.size();
double previous = min;
double current = min + bin_width;
QVector<QwtIntervalSample> samples;
for (int i = 0; i < bins.size(); ++i, previous = current, current += bin_width)
samples << QwtIntervalSample(bins[i] + std::numeric_limits<double>::epsilon(), previous, current);
histogram->setSamples(new HistogramSeriesData(samples));
// ui->histogram->setAxisScale(QwtPlot::xBottom, min, max);
zoneData->setInterval(QwtInterval(statistic.min, statistic.max));
}
void QgsCurveEditorWidget::updateHistogram()
{
if ( !mHistogram )
return;
//draw histogram
QBrush histoBrush( QColor( 0, 0, 0, 70 ) );
delete mPlotHistogram;
mPlotHistogram = createPlotHistogram( histoBrush );
QVector<QwtIntervalSample> dataHisto;
int bins = 40;
QList<double> edges = mHistogram->binEdges( bins );
QList<int> counts = mHistogram->counts( bins );
// scale counts to 0->1
double max = *std::max_element( counts.constBegin(), counts.constEnd() );
// scale bin edges to fit in 0->1 range
if ( !qgsDoubleNear( mMinValueRange, mMaxValueRange ) )
{
std::transform( edges.begin(), edges.end(), edges.begin(),
[this]( double d ) -> double { return ( d - mMinValueRange ) / ( mMaxValueRange - mMinValueRange ); } );
}
for ( int bin = 0; bin < bins; ++bin )
{
double binValue = counts.at( bin ) / max;
double upperEdge = edges.at( bin + 1 );
dataHisto << QwtIntervalSample( binValue, edges.at( bin ), upperEdge );
}
mPlotHistogram->setSamples( dataHisto );
mPlotHistogram->attach( mPlot );
mPlot->replot();
}
void PlotNearestPointsHistogram::updateIntervals( const NearestPointsHistogram & histogram )
{
QVector<QwtIntervalSample> dataIntervals(0);
if ( histogram.nbIntervals() > 0 )
{
dataIntervals.reserve(histogram.nbIntervals());
uint i, min, max;
QVector< Interval<uint> >::ConstIterator begin = histogram.intervals().begin();
const QVector< Interval<uint> >::ConstIterator end = histogram.intervals().end();
qDebug() << "Intervalles de nœuds :";
while ( begin != end )
{
min = (*begin).min();
max = (*begin++).max();
for ( i=min ; i<=max ; ++i )
{
dataIntervals.append(QwtIntervalSample(histogram[i],i,i+1));
}
qDebug() << " [ " << min << ", " << max << " ] avec largeur = " << max-min;
}
}
_histogramIntervals.setSamples(dataIntervals);
}
void caStripPlot::RescaleCurves(int width, units unit, double period)
{
HISTORY = width; // equals canvas width
if(unit == Millisecond) {
timeInterval = period / (double) HISTORY;
INTERVAL = period / 1000.0;
} else if(unit == Second) {
timeInterval = 1000.0 * period / (double) HISTORY;
INTERVAL = period;
} else if(unit == Minute) {
timeInterval = 1000.0 * period * 60.0 / (double) HISTORY;
INTERVAL = period * 60;
} else {
// printf("\nunknown unit\n");
timeInterval = 1000.0 * period * 60.0 / (double) HISTORY;
INTERVAL = period;
}
mutex.lock();
for(int i=0; i < MAXCURVES; i++) {
// define interval data for error and fill curves
rangeData[i].clear();
fillData[i].clear();
if(i==0) base.clear();
for ( int j = 0; j < MULTFOROVERLAPPINGTIMES * HISTORY; j++ ) {
rangeData[i].append(QwtIntervalSample(0, QwtInterval(0.0, 0.0)));
fillData[i].append(QwtIntervalSample(0, QwtInterval(0.0, 0.0)));
if(i==0) base.append(QwtIntervalSample(0, QwtInterval(0.0, 0.0)));
}
}
for(int i=0; i < NumberOfCurves; i++) {
if(thisStyle[i] == FillUnder) fillcurve[i]->setSamples(fillData[i].toVector());
errorcurve[i]->setSamples(rangeData[i].toVector());
}
mutex.unlock();
// define update rate
dataCount = 0;
updateRate = (int) (100.0 / timeInterval / 2.0);
if(updateRate < 1) updateRate=1;
//printf("\n width=%d period=%f timerInterval=%d updaterate=%d\n", HISTORY, period, (int) timeInterval, updateRate);
timerCount = 0;
if(timerID) {
// change display timer interval
int interval = qMax((int)timeInterval, 20);
Timer->setInterval(interval);
Timer->start();
// stop run method of thread and redefine repetition time then start run
emit timerThreadStop();
timerThread->wait(200);
timerThread->threadSetTimer((int) timeInterval);
timerThread->start();
}
replot();
}
// data collection done by timerthread
void caStripPlot::TimeOutThread()
{
int c, i;
double elapsedTime = 0.0;
QwtIntervalSample tmp;
double value = 0.0;
double elapsed=0.0;
if(!timerID) return;
mutex.lock();
int dataCountLimit = (int) (MULTFOROVERLAPPINGTIMES * HISTORY -1);
// we need an exact time scale
if(Start) {
Start = false;
ftime(&timeStart);
}
ftime(&timeNow);
elapsedTime = ((double) timeNow.time + (double) timeNow.millitm / (double)1000) -
((double) timeStart.time + (double) timeStart.millitm / (double)1000);
timeData = INTERVAL + elapsedTime;
if(dataCount > 1) {
// shift data and our timebase for the fixed scale
if(thisXaxisType != TimeScale) {
for (c = 0; c < NumberOfCurves; c++ ) {
// shift left and cur last
rangeData[c].prepend(tmp);
rangeData[c].removeLast();
if(thisStyle[c] == FillUnder) {
fillData[c].prepend(tmp);
fillData[c].removeLast();
}
}
base.prepend(tmp);
base.removeLast();
elapsed = elapsedTime + INTERVAL;
for (i = dataCount; i > 0; i-- ) {
value = base[i].value - elapsed;
// correct value to fit again inside the interval
if(Unit == Millisecond) {
value = value * 1000.0;
} else if(Unit == Minute) {
value = value / 60.0;
}
for (c = 0; c < NumberOfCurves; c++ ) {
rangeData[c][i].value = fillData[c][i].value = value;
}
}
// shift data
} else {
for (c = 0; c < NumberOfCurves; c++ ) {
rangeData[c].prepend(tmp);
if(thisStyle[c] == FillUnder) fillData[c].prepend(tmp);
rangeData[c].removeLast();
if(thisStyle[c] == FillUnder) fillData[c].removeLast();
}
}
}
// advance data points
if (dataCount < dataCountLimit) dataCount++;
// update last point
for (int c = 0; c < NumberOfCurves; c++ ) {
double y0, y1, y2, y3;
// smallest vertical width of error bar must not be zero
y0 = transform(QwtPlot::yLeft, minVal[c]);
y1 = transform(QwtPlot::yLeft, maxVal[c]);
if(qAbs(y1-y0) < 2.0) y0 = y0 + 1.0; y1= y1 - 1.0;
y2 = invTransform(QwtPlot::yLeft, (int) (y0+0.5));
y3 = invTransform(QwtPlot::yLeft, (int) (y1+0.5));
// set the range into the array
rangeData[c][0] = QwtIntervalSample( timeData, QwtInterval(y2, y3));
// and set also the base time
if(thisXaxisType != TimeScale) {
base[0] = QwtIntervalSample( timeData, QwtInterval(y2, y3));
}
// and to fillunder we add a range to the fill curve
if(thisStyle[c] == FillUnder) {
double value, height, y4, y5;
if(minVal[c] < 0.0) value = y0; else value = y1;
height = canvas()->contentsRect().height();
y1 = transform(QwtPlot::yLeft, 0.0);
if(y1 > height) y1 = height;
if(y1 < 0.0) y1 =0.0;
y4 = invTransform(QwtPlot::yLeft, (int) (value+0.5));
y5 = invTransform(QwtPlot::yLeft, (int) (y1+0.5));
// set the range into the array
fillData[c][0] = QwtIntervalSample( timeData, QwtInterval(y4, y5));
}
}
// keep max and min
for (int c = 0; c < NumberOfCurves; c++ ) {
maxVal[c] = minVal[c] = actVal[c];
realMax[c] = realMin[c] = realVal[c];
}
mutex.unlock();
}
//
// Fetch the new set of events, merging them into the existing sets
// - "Points" curve has an entry for *every* event to be displayed.
// - "Span" curve has an entry for all *begin/end* flagged events.
// These are initially unpaired, unless PMDA is playing games, and
// so usually min/max is used as a placeholder until corresponding
// begin/end event arrives.
// - "Drop" curve has an entry to match up events with the parents.
// The parent is the root "span" (terminology on loan from Dapper)
//
void
TracingItem::updateEventRecords(TracingEngine *engine, QmcMetric *metric, int index)
{
if (metric->error(index) == 0) {
QVector<QmcEventRecord> const &records = metric->eventRecords(index);
int slot = 0, parentSlot = -1;
QString name;
// First lookup the event "slot" (aka "span" / y-axis-entry)
// Strategy is to use the ID from the event (if one exists),
// which must be mapped to a y-axis integer-based index. If
// no ID, we fall back to metric instance ID, else just zero.
//
if (metric->hasInstances()) {
if (metric->explicitInsts())
index = 0;
slot = metric->instIndex(index);
name = metric->instName(index);
} else {
name = metric->name();
}
addTraceSpan(engine, name, slot);
for (int i = 0; i < records.size(); i++) {
QmcEventRecord const &record = records.at(i);
my.events.append(TracingEvent(record, metric->metricID(), index));
TracingEvent &event = my.events.last();
if (event.hasIdentifier() && name == QString::null) {
addTraceSpan(engine, event.spanID(), slot);
}
// this adds the basic point (ellipse), all events get one
my.points.append(QPointF(event.timestamp(), slot));
parentSlot = -1;
if (event.hasParent()) { // lookup parent in yMap
parentSlot = engine->getTraceSpan(event.rootID(), parentSlot);
if (parentSlot == -1)
addTraceSpan(engine, event.rootID(), parentSlot);
// do this on start/end only? (or if first?)
my.drops.append(QwtIntervalSample(event.timestamp(),
QwtInterval(slot, parentSlot)));
}
#if DESPERATE
QString timestamp = QmcSource::timeStringBrief(record.timestamp());
console->post(PmChart::DebugForce, "TracingItem::updateEventRecords: "
"[%s] span: %s (slot=%d) id=%s, root: %s (slot=%d,id=%s), start=%s end=%s",
(const char *)timestamp.toLatin1(),
(const char *)event.spanID().toLatin1(), slot,
event.hasIdentifier() ? "y" : "n",
(const char *)event.rootID().toLatin1(), parentSlot,
event.hasParent() ? "y" : "n",
event.hasStartFlag() ? "y" : "n", event.hasEndFlag() ? "y" : "n");
#endif
if (event.hasStartFlag()) {
if (!my.spans.isEmpty()) {
QwtIntervalSample &active = my.spans.last();
// did we get a start, then another start?
// (if so, just end the previous span now)
if (active.interval.maxValue() == my.maxSpanTime)
active.interval.setMaxValue(event.timestamp());
}
// no matter what, we'll start a new span here
my.spans.append(QwtIntervalSample(slot,
QwtInterval(event.timestamp(), my.maxSpanTime)));
}
if (event.hasEndFlag()) {
if (!my.spans.isEmpty()) {
QwtIntervalSample &active = my.spans.last();
// did we get an end, then another end?
// (if so, move previous span end to now)
if (active.interval.maxValue() == my.maxSpanTime)
active.interval.setMaxValue(event.timestamp());
} else {
// got an end, but we haven't seen a start
my.spans.append(QwtIntervalSample(index,
QwtInterval(my.minSpanTime, event.timestamp())));
}
}
// Have not yet handled missed events (i.e. event.missed())
// Could have a separate list of events? (render differently?)
}
} else {
#if DESPERATE
//
// TODO: need to track this failure point, and ensure that the
// begin/end spans do not cross this boundary.
//
console->post(PmChart::DebugForce,
"TracingItem::updateEventRecords: NYI error path: %d (%s)",
metric->error(index), pmErrStr(metric->error(index)));
#endif
}
}
void QgsHistogramWidget::drawHistogram()
{
// clear plot
mpPlot->detachItems();
//ensure all children get removed
mpPlot->setAutoDelete( true );
// Set axis titles
if ( !mXAxisTitle.isEmpty() )
mpPlot->setAxisTitle( QwtPlot::xBottom, mXAxisTitle );
if ( !mYAxisTitle.isEmpty() )
mpPlot->setAxisTitle( QwtPlot::yLeft, mYAxisTitle );
mpPlot->setAxisFont( QwtPlot::xBottom, this->font() );
mpPlot->setAxisFont( QwtPlot::yLeft, this->font() );
QFont titleFont = this->font();
titleFont.setBold( true );
QwtText xAxisText = mpPlot->axisTitle( QwtPlot::xBottom );
xAxisText.setFont( titleFont );
mpPlot->setAxisTitle( QwtPlot::xBottom, xAxisText );
QwtText yAxisText = mpPlot->axisTitle( QwtPlot::yLeft );
yAxisText.setFont( titleFont );
mpPlot->setAxisTitle( QwtPlot::yLeft, yAxisText );
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();
Q_FOREACH ( const QgsRendererRange &range, mRanges )
{
mHistoColors << ( range.symbol() ? range.symbol()->color() : Qt::black );
}
//draw histogram
QwtPlotHistogram *plotHistogram = nullptr;
plotHistogram = createPlotHistogram( !mRanges.isEmpty() ? mRanges.at( 0 ).label() : QString(),
!mRanges.isEmpty() ? QBrush( mHistoColors.at( 0 ) ) : mBrush,
!mRanges.isEmpty() ? Qt::NoPen : mPen );
QVector<QwtIntervalSample> dataHisto;
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++;
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 ) );
}
double upperEdge = !mRanges.isEmpty() ? qMin( edges.at( bin + 1 ), mRanges.at( rangeIndex ).upperValue() )
: edges.at( bin + 1 );
dataHisto << QwtIntervalSample( binValue, edges.at( bin ), upperEdge );
lastValue = binValue;
}
plotHistogram->setSamples( dataHisto );
plotHistogram->attach( mpPlot );
mRangeMarkers.clear();
Q_FOREACH ( const QgsRendererRange &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;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RicGridStatisticsDialog::setHistogramData(RimGridView* view)
{
deletePlotItems(m_historgramPlot);
deletePlotItems(m_aggregatedPlot);
if (view && view->overlayInfoConfig())
{
Rim3dOverlayInfoConfig* overlayInfo = view->overlayInfoConfig();
auto hist = new QwtPlotHistogram("Histogram");
auto aggr = new QwtPlotCurve("Aggregated");
hist->setBrush(QBrush(QColor(Qt::darkCyan)));
hist->setZ(-1);
aggr->setStyle(QwtPlotCurve::Steps);
aggr->setCurveAttribute(QwtPlotCurve::Inverted);
Rim3dOverlayInfoConfig::HistogramData histogramData = overlayInfo->histogramData();
if (histogramData.isValid())
{
QVector<QwtIntervalSample> histSamples;
QVector<QPointF> aggrSamples;
double xStep = (histogramData.max - histogramData.min) / (*histogramData.histogram).size();
double xCurr = histogramData.min;
double aggrValue = 0.0;
for (size_t value : *histogramData.histogram)
{
double xNext = xCurr + xStep;
histSamples.push_back(QwtIntervalSample(value, xCurr, xNext));
aggrValue += value;
aggrSamples.push_back(QPointF(xCurr, aggrValue));
xCurr = xNext;
}
// Axis
double xAxisSize = histogramData.max - histogramData.min;
double xAxisExtension = xAxisSize * 0.02;
m_historgramPlot->setAxisScale(QwtPlot::xBottom, histogramData.min - xAxisExtension, histogramData.max + xAxisExtension);
m_aggregatedPlot->setAxisScale(QwtPlot::xBottom, histogramData.min - xAxisExtension, histogramData.max + xAxisExtension);
// Set y axis label area width
m_historgramPlot->axisScaleDraw(QwtPlot::yLeft)->setMinimumExtent(60);
m_aggregatedPlot->axisScaleDraw(QwtPlot::yLeft)->setMinimumExtent(60);
// Samples
hist->setSamples(histSamples);
aggr->setSamples(aggrSamples);
hist->attach(m_historgramPlot);
aggr->attach(m_aggregatedPlot);
// Markers
setMarkers(histogramData, m_historgramPlot);
setMarkers(histogramData, m_aggregatedPlot);
}
}
// Refresh plot
m_historgramPlot->replot();
m_aggregatedPlot->replot();
}
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;
}