forked from daborton/RTVT
/
rtvtplotwindow.cpp
124 lines (89 loc) · 3.65 KB
/
rtvtplotwindow.cpp
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#include "rtvtplotwindow.h"
#include "ui_rtvtplotwindow.h"
// QWT
#include "External-Code/fftreal_wrapper.h"
RTVTPlotWindow::RTVTPlotWindow(QWidget *parent) :
QWidget(parent),
ui(new Ui::RTVTPlotWindow)
{
ui->setupUi(this);
connect(ui->plotChannelListView, SIGNAL(clicked(QModelIndex)), this, SLOT(curveSelected(QModelIndex)));
// Setup curves
numberOfCurves = 10;
startColorIndex = 0;
channelListStringModel = new QStringListModel();
channelListStringModel->setStringList(channelStringList);
ui->plotChannelListView->setModel(channelListStringModel);
// Setup the plot view
ui->plotQwtView->setCanvasBackground(QColor(Qt::darkBlue));
ui->plotQwtView->setTitle("Frequency Response of Amplifier");
ui->plotQwtView->setTitle("Amplitude");
ui->plotQwtView->setAxisTitle(QwtPlot::yLeft,"dBm");
ui->plotQwtView->setAxisTitle(QwtPlot::xBottom,"Frequency (Hz)");
// grid
QwtPlotGrid *grid = new QwtPlotGrid;
grid->enableXMin(true);
grid->setMajPen(QPen(Qt::white, 0, Qt::DotLine));
grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
grid->attach(ui->plotQwtView);
ui->plotQwtView->setAxisMaxMajor(QwtPlot::xBottom, 6);
ui->plotQwtView->setAxisMaxMinor(QwtPlot::xBottom, 10);
ui->plotQwtView->setAxisScaleEngine(QwtPlot::xBottom, new QwtLog10ScaleEngine);
//QwtPlotGrid *gridy = new QwtPlotGrid();
//gridy->attach(ui->plotQwtView);
/*QwtLog10ScaleEngine * log10SE = new QwtLog10ScaleEngine();
double x1=0.0, x2=4.3, stepSize=0.1;
log10SE->autoScale(100, x1, x2, stepSize);
QwtLinearScaleEngine * yAxisEngine = new QwtLinearScaleEngine();
double y1=-100.0, y2 = 10.0, yStep = 10.0;
yAxisEngine->autoScale(10, y1, y2, yStep);*/
//ui->plotQwtView->setAxisScaleEngine(QwtPlot::xBottom,log10SE);
//ui->plotQwtView->setAxisScaleEngine(QwtPlot::yLeft,yAxisEngine);
//ui->plotQwtView->setAxis
ui->plotQwtView->replot();
}
RTVTPlotWindow::~RTVTPlotWindow()
{
delete ui;
}
void RTVTPlotWindow::curveSelected(QModelIndex mi)
{
Q_UNUSED(mi);
QModelIndexList selectionIndexList = ui->plotChannelListView->selectionModel()->selectedIndexes();
// foreach(QwtPlotItem *theItem, ui->plotQwtView->itemList())
// if(qobject_cast<QObject *>(theItem)->metaObject()->className() == "QwtPlotCurve")
// qobject_cast<QwtPlotCurve *>(theItem)->detach();
ui->plotQwtView->detachItems(QwtPlotItem::Rtti_PlotCurve, false);
foreach(QModelIndex selectedIndex, selectionIndexList)
curves.at(selectedIndex.row())->attach(ui->plotQwtView);
ui->plotQwtView->replot();
}
void RTVTPlotWindow::addCurveWithDataFromChannel(QVector<qreal> frequency, QVector<qreal> amplitude, unsigned int channel)
{
QwtPlotCurve *curve = new QwtPlotCurve(QString("Channel " + QString::number(channel)));
curve->setPen(selectPen());
curve->setSamples(frequency, amplitude);
curve->setAxes(QwtPlot::xBottom, QwtPlot::yLeft);
curves << curve;
channelStringList << curve->title().text();
channelListStringModel->setStringList(channelStringList);
}
QPen RTVTPlotWindow::selectPen()
{
unsigned short colors[]= {3,2,7,13,8,14,9,15,10,16,11,17,12,18,5,4,6,19,0,1};
// Set different colors...
QColor Color((Qt::GlobalColor) colors[startColorIndex]);
startColorIndex++;
if(startColorIndex == sizeof(colors))
{
startColorIndex = 0;
}
return QPen(Color);
}
void RTVTPlotWindow::addCurvesToList()
{
// QStringList list;
// foreach(QwtPlotCurve)
// list << "a" << "b" << "c";
// model->setStringList(list);
}