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plotTab.cpp
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#include "plotTab.h"
#include "ui_plottab.h"
#include "mainwindow.h"
#include "dataprovider.h"
#include <chrono>
#include <thread>
PlotTab::PlotTab(QWidget *parent) :
QWidget(parent),
ui(new Ui::PlotTab)
{
ui->setupUi(this);
ui->leftMotorSlider->setMinimum(0);
ui->leftMotorSlider->setMaximum(1023);
ui->rightMotorSlider->setMinimum(0);
ui->rightMotorSlider->setMaximum(1023);
connect(ui->reloadReportButton, SIGNAL(clicked()), this, SLOT(reloadReport()));
connect(ui->savePlotButton, SIGNAL(clicked()), this, SLOT(savePlot()));
connect(ui->setMotorsButton, SIGNAL(clicked()), this, SLOT(setMotors()));
/*QVector<double> x(101), y(101); // initialize with entries 0..100
for (int i=0; i<101; ++i)
{
x[i] = i/50.0 - 1; // x goes from -1 to 1
y[i] = x[i]*x[i]; // let's plot a quadratic function
}
// create graph and assign data to it:
ui->spikePlot->addGraph();
ui->spikePlot->graph(0)->setData(x, y);
// give the axes some labels:
ui->spikePlot->xAxis->setLabel("x");
ui->spikePlot->yAxis->setLabel("y");
// set axes ranges, so we see all data:
ui->spikePlot->xAxis->setRange(-1, 1);
ui->spikePlot->yAxis->setRange(0, 1);
ui->spikePlot->replot();*/
// include this section to fully disable antialiasing for higher performance:
/*
ui->spikePlot->setNotAntialiasedElements(QCP::aeAll);
QFont font;
font.setStyleStrategy(QFont::NoAntialias);
ui->spikePlot->xAxis->setTickLabelFont(font);
ui->spikePlot->yAxis->setTickLabelFont(font);
ui->spikePlot->legend->setFont(font);
*/
/*ui->spikePlot->addGraph(); // blue dot
ui->spikePlot->graph(2)->setPen(QPen(Qt::blue));
ui->spikePlot->graph(2)->setLineStyle(QCPGraph::lsNone);
ui->spikePlot->graph(2)->setScatterStyle(QCPScatterStyle::ssDisc);
ui->spikePlot->addGraph(); // red dot
ui->spikePlot->graph(3)->setPen(QPen(Qt::red));
ui->spikePlot->graph(3)->setLineStyle(QCPGraph::lsNone);
ui->spikePlot->graph(3)->setScatterStyle(QCPScatterStyle::ssDisc);*/
ui->spikePlot->xAxis->setTickLabelType(QCPAxis::ltDateTime);
ui->spikePlot->xAxis->setDateTimeFormat("mm:ss");
ui->spikePlot->xAxis->setAutoTickStep(false);
ui->spikePlot->xAxis->setTickStep(1);
ui->spikePlot->axisRect()->setupFullAxesBox();
ui->spikePlot->yAxis->setTickLabelFont(QFont(QFont().family(), 8));
ui->spikePlot->yAxis->setAutoTicks(false);
ui->spikePlot->yAxis->setAutoTickLabels(false);
ui->spikePlot->yAxis->setTickVector(QVector<double>() << 5 << 55);
ui->spikePlot->yAxis->setTickVectorLabels(QVector<QString>() << "not so\nhigh" << "Very\nhigh");
ui->spikePlot->yAxis2->setAutoTicks(false);
ui->spikePlot->yAxis2->setTickVector(QVector<double>() << 5 << 55);
ui->spikePlot->yAxis->setRange(0, 60);
//ui->spikePlot->yAxis->setAutoTickStep(false);
ui->spikePlot->yAxis->setAutoSubTicks(false);
//ui->spikePlot->yAxis->setTickStep(1.0);
ui->spikePlot->yAxis->setSubTickCount(0);
//ui->spikePlot->yAxis2->setAutoTickStep(false);
ui->spikePlot->yAxis2->setAutoSubTicks(false);
//ui->spikePlot->yAxis2->setTickStep(1.0);
ui->spikePlot->yAxis2->setSubTickCount(0);
// make left and bottom axes transfer their ranges to right and top axes:
connect(ui->spikePlot->xAxis, SIGNAL(rangeChanged(QCPRange)), ui->spikePlot->xAxis2, SLOT(setRange(QCPRange)));
connect(ui->spikePlot->yAxis, SIGNAL(rangeChanged(QCPRange)), ui->spikePlot->yAxis2, SLOT(setRange(QCPRange)));
DataProvider::getInstance()->setSpikePlot(ui->spikePlot);
DataProvider::getInstance()->setupReportWatcher();
DataProvider::getInstance()->setupAppRunningWatcher();
// set these values as you wish!
this->showPastTime = 2.0;
this->windowWidth = 10.5;
this->rightBlankTime = 0.5;
// setup a timer that repeatedly calls MainWindow::realtimeDataSlot:
this->updateFrequency = this->windowWidth - this->showPastTime - this->rightBlankTime;
this->timeSpiNNakerStartBefore = DataProvider::getInstance()->getTimeSpiNNakerStartInMs();
this->plotStartTime = std::floor((QDateTime::currentDateTime().toMSecsSinceEpoch()/1000.0 - this->timeSpiNNakerStartBefore/1000.0) - this->updateFrequency);
connect(&dataTimer, SIGNAL(timeout()), this, SLOT(realtimeDataSlot()));
dataTimer.start(1000); // 50! Interval 0 means to refresh as fast as possible
/*
QVector<QCPScatterStyle::ScatterShape> shapes;
shapes << QCPScatterStyle::ssCross;
shapes << QCPScatterStyle::ssPlus;
shapes << QCPScatterStyle::ssCircle;
shapes << QCPScatterStyle::ssDisc;
shapes << QCPScatterStyle::ssSquare;
shapes << QCPScatterStyle::ssDiamond;
shapes << QCPScatterStyle::ssStar;
shapes << QCPScatterStyle::ssTriangle;
shapes << QCPScatterStyle::ssTriangleInverted;
shapes << QCPScatterStyle::ssCrossSquare;
shapes << QCPScatterStyle::ssPlusSquare;
shapes << QCPScatterStyle::ssCrossCircle;
shapes << QCPScatterStyle::ssPlusCircle;
shapes << QCPScatterStyle::ssPeace;
shapes << QCPScatterStyle::ssCustom;
// set scatter style:
if(shapes.at(i) != QCPScatterStyle::ssCustom)
{
customPlot->graph()->setScatterStyle(QCPScatterStyle(shapes.at(i), 10));
}
else
{
QPainterPath customScatterPath;
for(int i=0; i<3; ++i)
customScatterPath.cubicTo(qCos(2*M_PI*i/3.0)*9, qSin(2*M_PI*i/3.0)*9, qCos(2*M_PI*(i+0.9)/3.0)*9, qSin(2*M_PI*(i+0.9)/3.0)*9, 0, 0);
customPlot->graph()->setScatterStyle(QCPScatterStyle(customScatterPath, QPen(), QColor(40, 70, 255, 50), 10));
}*/
}
PlotTab::~PlotTab()
{
}
void PlotTab::setMainWindow(MainWindow* mainWindow_)
{
this->mainWindow = mainWindow_;
}
void PlotTab::realtimeDataSlot()
{
qint64 timeSpiNNakerStart = DataProvider::getInstance()->getTimeSpiNNakerStartInMs();
if(timeSpiNNakerStart != this->timeSpiNNakerStartBefore)
{
this->timeSpiNNakerStartBefore = timeSpiNNakerStart;
this->plotStartTime = std::floor((QDateTime::currentDateTime().toMSecsSinceEpoch()/1000.0 - this->timeSpiNNakerStartBefore/1000.0) - this->updateFrequency);
for(int i=0; i<ui->spikePlot->graphCount(); i++)
ui->spikePlot->graph(i)->clearData();
}
double time = QDateTime::currentDateTime().toMSecsSinceEpoch()/1000.0 - timeSpiNNakerStart/1000.0;
if(time - this->plotStartTime > this->updateFrequency)
{
this->plotStartTime += this->updateFrequency;
for(int i=0; i<ui->spikePlot->graphCount(); i++)
ui->spikePlot->graph(i)->removeDataBefore(this->plotStartTime - this->showPastTime);
ui->spikePlot->xAxis->setRange(this->plotStartTime - this->showPastTime, this->windowWidth, Qt::AlignLeft);
}
ui->spikePlot->replot();
static double lastFpsKey = 0;
static int frameCount;
++frameCount;
if(time-lastFpsKey > 1) // average fps over x seconds
{
int dataCount = 0;
for(int i=0; i<ui->spikePlot->graphCount(); i++)
dataCount += ui->spikePlot->graph(i)->data()->count();
mainWindow->showMessageStatusBar(
QString("%1 FPS, %2 Graphs, Total Data points: %3")
.arg(frameCount/(time-lastFpsKey), 0, 'f', 0)
.arg(ui->spikePlot->graphCount())
.arg(dataCount)
, 0);
lastFpsKey = time;
frameCount = 0;
}
}
void PlotTab::reloadReport()
{
qDebug() << "Reload latest report ...";
DataProvider::getInstance()->parseLatestReport();
}
void PlotTab::setMotors()
{
if(!DataProvider::getInstance()->serial->isOpen())
return;
QString valueHexString = QString::number(ui->leftMotorSlider->value(), 16);
QString string = "@FEFFFE30.00000";
for(int i=0; i<3-valueHexString.length(); i++)
string.append("0");
string += valueHexString;
string.append("\n");
QByteArray data(string.toStdString().c_str());
qDebug() << "setLeftMotor: " << string << " (" << string.length() << ")";
DataProvider::getInstance()->serial->write(data);
std::this_thread::sleep_for(std::chrono::milliseconds(10));
valueHexString = QString::number(ui->rightMotorSlider->value(), 16);
string = "@FEFFFE31.00000";
for(int i=0; i<3-valueHexString.length(); i++)
string.append("0");
string += valueHexString;
string.append("\n");
QByteArray data2(string.toStdString().c_str());
qDebug() << "setRightMotor: " << string << " (" << string.length() << ")";
DataProvider::getInstance()->serial->write(data2);
}
void PlotTab::savePlot()
{
QString filename = "spikePlot";
ui->spikePlot->savePdf(filename+".pdf", false, 0, 0);
//ui->spikePlot->savePdf(filename+"noCosmetics.pdf", true); // better for editing in Inkscape?
//ui->spikePlot->setAntialiasedElements(QCP::aeAll);
ui->spikePlot->savePng(filename+".png", 0, 0, 2.0, 100);
}