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Auto-normalize multiplot widgets

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This commit is contained in:
Alex Spataru 2021-11-02 00:30:26 -06:00
parent 5987900c3a
commit 4d2b290975
2 changed files with 27 additions and 19 deletions
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12
src/JSON/Generator.cpp
View File

@ -114,7 +114,8 @@ Generator::OperationMode Generator::operationMode() const
/**
* Returns @c true if JSON frames shall be generated in a separate thread
*/
bool Generator::processFramesInSeparateThread() const {
bool Generator::processFramesInSeparateThread() const
{
return m_processInSeparateThread;
}
@ -213,7 +214,8 @@ void Generator::setOperationMode(const JSON::Generator::OperationMode mode)
/**
* Enables or disables multi-threaded frame processing
*/
void Generator::setProcessFramesInSeparateThread(const bool threaded) {
void Generator::setProcessFramesInSeparateThread(const bool threaded)
{
m_processInSeparateThread = threaded;
emit processFramesInSeparateThreadChanged();
}
@ -301,9 +303,11 @@ void Generator::readData(const QByteArray &data)
m_frameCount++;
// Create new worker thread to read JSON data
if (processFramesInSeparateThread()) {
if (processFramesInSeparateThread())
{
QThread *thread = new QThread;
JSONWorker *worker = new JSONWorker(data, m_frameCount, QDateTime::currentDateTime());
JSONWorker *worker
= new JSONWorker(data, m_frameCount, QDateTime::currentDateTime());
worker->moveToThread(thread);
connect(thread, SIGNAL(started()), worker, SLOT(process()));
connect(worker, SIGNAL(finished()), thread, SLOT(quit()));

32
src/Widgets/MultiPlot.cpp
View File

@ -71,6 +71,7 @@ MultiPlot::MultiPlot(const int index)
->setAttribute(QwtScaleEngine::Floating, true);
// Create curves from datasets
bool normalize = true;
auto group = dash->getMultiplot(m_index);
QVector<QString> colors = theme->widgetColors();
for (int i = 0; i < group->datasetCount(); ++i)
@ -80,21 +81,8 @@ MultiPlot::MultiPlot(const int index)
auto dataset = group->getDataset(i);
if (dataset)
{
// Update curve title
title = group->getDataset(i)->title();
// Update graph scale
auto max = dataset->max();
auto min = dataset->min();
if (max > min)
{
if (m_max < max)
m_max = max;
if (m_min > min)
m_min = min;
m_plot.setAxisScale(QwtPlot::yLeft, m_min, m_max);
}
normalize &= dataset->max() > dataset->min();
}
// Create curve
@ -121,6 +109,10 @@ MultiPlot::MultiPlot(const int index)
m_plot.setAxisTitle(QwtPlot::xBottom, tr("Samples"));
m_plot.insertLegend(&m_legend, QwtPlot::BottomLegend);
// Normalize data curves
if (normalize)
m_plot.setAxisScale(QwtPlot::yLeft, 0, 1);
// Show plot
updateRange();
m_plot.replot();
@ -158,6 +150,18 @@ void MultiPlot::updateData()
auto data = m_yData[i].data();
auto count = m_yData[i].count();
memmove(data, data + 1, count * sizeof(double));
// Normalize dataset value
if (dataset->max() > dataset->min())
{
auto vmin = dataset->min();
auto vmax = dataset->max();
auto v = dataset->value().toDouble();
m_yData[i][count - 1] = (v - vmin) / (vmax - vmin);
}
// Plot dataset value directly
else
m_yData[i][count - 1] = dataset->value().toDouble();
// Widget not enabled, do not redraw