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This commit is contained in:
feiyangqingyun
2022-05-18 17:39:04 +08:00
parent 96938b94f9
commit a155ad45d3
32 changed files with 145 additions and 322 deletions
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8
third/qcustomplotdemo/frmexample/frmsincscatter.cpp
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@@ -21,6 +21,7 @@ void frmSincScatter::initForm()
ui->customPlot->setLocale(QLocale(QLocale::English, QLocale::UnitedKingdom));
// add confidence band graphs:
ui->customPlot->addGraph();
QPen pen;
pen.setStyle(Qt::DotLine);
pen.setWidth(1);
@@ -32,6 +33,7 @@ void frmSincScatter::initForm()
ui->customPlot->legend->removeItem(ui->customPlot->legend->itemCount() - 1); // don't show two confidence band graphs in legend
ui->customPlot->graph(1)->setPen(pen);
ui->customPlot->graph(0)->setChannelFillGraph(ui->customPlot->graph(1));
// add theory curve graph:
ui->customPlot->addGraph();
pen.setStyle(Qt::DashLine);
@@ -39,12 +41,14 @@ void frmSincScatter::initForm()
pen.setColor(Qt::red);
ui->customPlot->graph(2)->setPen(pen);
ui->customPlot->graph(2)->setName("Theory Curve");
// add data point graph:
ui->customPlot->addGraph();
ui->customPlot->graph(3)->setPen(QPen(Qt::blue));
ui->customPlot->graph(3)->setName("Measurement");
ui->customPlot->graph(3)->setLineStyle(QCPGraph::lsNone);
ui->customPlot->graph(3)->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCross, 4));
// add error bars:
QCPErrorBars *errorBars = new QCPErrorBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
errorBars->removeFromLegend();
@@ -62,6 +66,7 @@ void frmSincScatter::initForm()
yConfLower[i] = y0[i] - 0.15;
x0[i] *= 1000;
}
QVector<double> x1(50), y1(50), y1err(50);
for (int i = 0; i < 50; ++i) {
// generate a gaussian distributed random number:
@@ -74,6 +79,7 @@ void frmSincScatter::initForm()
x1[i] *= 1000;
y1err[i] = 0.15;
}
// pass data to graphs and let Qui->customPlot determine the axes ranges so the whole thing is visible:
ui->customPlot->graph(0)->setData(x0, yConfUpper);
ui->customPlot->graph(1)->setData(x0, yConfLower);
@@ -82,12 +88,14 @@ void frmSincScatter::initForm()
errorBars->setData(y1err);
ui->customPlot->graph(2)->rescaleAxes();
ui->customPlot->graph(3)->rescaleAxes(true);
// setup look of bottom tick labels:
ui->customPlot->xAxis->setTickLabelRotation(30);
ui->customPlot->xAxis->ticker()->setTickCount(9);
ui->customPlot->xAxis->setNumberFormat("ebc");
ui->customPlot->xAxis->setNumberPrecision(1);
ui->customPlot->xAxis->moveRange(-10);
// make top right axes clones of bottom left axes. Looks prettier:
ui->customPlot->axisRect()->setupFullAxesBox();
ui->customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);