##// END OF EJS Templates
onRangeChanged is now based on the good range (the new one)...
onRangeChanged is now based on the good range (the new one) setTimeRange is now connected to rescaleAxes and replot methods

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VisualizationGraphHelper.cpp
157 lines | 5.1 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationGraphHelper.cpp
#include "Visualization/VisualizationGraphHelper.h"
#include "Visualization/qcustomplot.h"
#include <Data/ScalarSeries.h>
#include <Variable/Variable.h>
#include <QElapsedTimer>
Q_LOGGING_CATEGORY(LOG_VisualizationGraphHelper, "VisualizationGraphHelper")
namespace {
/// Format for datetimes on a axis
const auto DATETIME_TICKER_FORMAT = QStringLiteral("yyyy/MM/dd \nhh:mm:ss");
/// Generates the appropriate ticker for an axis, depending on whether the axis displays time or
/// non-time data
QSharedPointer<QCPAxisTicker> axisTicker(bool isTimeAxis)
{
if (isTimeAxis) {
auto dateTicker = QSharedPointer<QCPAxisTickerDateTime>::create();
dateTicker->setDateTimeFormat(DATETIME_TICKER_FORMAT);
return dateTicker;
}
else {
// default ticker
return QSharedPointer<QCPAxisTicker>::create();
}
}
void updateScalarData(QCPAbstractPlottable *component, ScalarSeries &scalarSeries,
const SqpDateTime &dateTime)
{
QElapsedTimer timer;
timer.start();
if (auto qcpGraph = dynamic_cast<QCPGraph *>(component)) {
// Clean the graph
// NAIVE approch
const auto &xData = scalarSeries.xAxisData()->data();
const auto &valuesData = scalarSeries.valuesData()->data();
const auto count = xData.count();
qCInfo(LOG_VisualizationGraphHelper()) << "TORM: Current points in cache" << xData.count();
auto xValue = QVector<double>(count);
auto vValue = QVector<double>(count);
int n = 0;
for (auto i = 0; i < count; ++i) {
const auto x = xData[i];
if (x >= dateTime.m_TStart && x <= dateTime.m_TEnd) {
xValue[n] = x;
vValue[n] = valuesData[i];
++n;
}
}
xValue.resize(n);
vValue.resize(n);
qCInfo(LOG_VisualizationGraphHelper()) << "TORM: Current points displayed" << xValue.count()
<< dateTime;
qcpGraph->setData(xValue, vValue);
// Display all data
// component->parentPlot()->xAxis->setRange(dateTime.m_TStart, dateTime.m_TEnd);
component->rescaleAxes();
component->parentPlot()->replot();
}
else {
/// @todo DEBUG
}
}
QCPAbstractPlottable *createScalarSeriesComponent(ScalarSeries &scalarSeries, QCustomPlot &plot,
const SqpDateTime &dateTime)
{
auto component = plot.addGraph();
if (component) {
// // Graph data
component->setData(scalarSeries.xAxisData()->data(), scalarSeries.valuesData()->data(),
true);
updateScalarData(component, scalarSeries, dateTime);
// Axes properties
/// @todo : for the moment, no control is performed on the axes: the units and the tickers
/// are fixed for the default x-axis and y-axis of the plot, and according to the new graph
auto setAxisProperties = [](auto axis, const auto &unit) {
// label (unit name)
axis->setLabel(unit.m_Name);
// ticker (depending on the type of unit)
axis->setTicker(axisTicker(unit.m_TimeUnit));
};
setAxisProperties(plot.xAxis, scalarSeries.xAxisUnit());
setAxisProperties(plot.yAxis, scalarSeries.valuesUnit());
// Display all data
component->rescaleAxes();
plot.replot();
}
else {
qCDebug(LOG_VisualizationGraphHelper())
<< QObject::tr("Can't create graph for the scalar series");
}
return component;
}
} // namespace
QVector<QCPAbstractPlottable *> VisualizationGraphHelper::create(std::shared_ptr<Variable> variable,
QCustomPlot &plot) noexcept
{
auto result = QVector<QCPAbstractPlottable *>{};
if (variable) {
// Gets the data series of the variable to call the creation of the right components
// according to its type
if (auto scalarSeries = dynamic_cast<ScalarSeries *>(variable->dataSeries())) {
result.append(createScalarSeriesComponent(*scalarSeries, plot, variable->dateTime()));
}
else {
qCDebug(LOG_VisualizationGraphHelper())
<< QObject::tr("Can't create graph plottables : unmanaged data series type");
}
}
else {
qCDebug(LOG_VisualizationGraphHelper())
<< QObject::tr("Can't create graph plottables : the variable is null");
}
return result;
}
void VisualizationGraphHelper::updateData(QVector<QCPAbstractPlottable *> plotableVect,
IDataSeries *dataSeries, const SqpDateTime &dateTime)
{
if (auto scalarSeries = dynamic_cast<ScalarSeries *>(dataSeries)) {
if (plotableVect.size() == 1) {
updateScalarData(plotableVect.at(0), *scalarSeries, dateTime);
}
else {
qCCritical(LOG_VisualizationGraphHelper()) << QObject::tr(
"Can't update Data of a scalarSeries because there is not only one component "
"associated");
}
}
else {
/// @todo DEBUG
}
}