OilfieldToolsNet/ResInsight
4
0
Fork 0
mirror of https://github.com/OPM/ResInsight.git synced 2025-02-25 18:55:39 -06:00
Code Issues Packages Projects Releases Wiki Activity

#870 Show closest curve point y-value and a plot marker

Browse Source
This commit is contained in:
Magne Sjaastad 2016-11-09 09:09:50 +01:00
parent cb468f0c48
commit cfe9b5626d
2 changed files with 148 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

178
ApplicationCode/UserInterface/RiuSummaryQwtPlot.cpp
View File

@ -32,15 +32,60 @@
#include "qwt_plot_curve.h"
#include "qwt_plot_grid.h"
#include "qwt_plot_layout.h"
#include "qwt_plot_marker.h"
#include "qwt_plot_panner.h"
#include "qwt_plot_picker.h"
#include "qwt_plot_zoomer.h"
#include "qwt_scale_engine.h"
#include "qwt_symbol.h"
#include <QEvent>
#include <QWheelEvent>
#include <float.h>
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
class RiuQwtPlotPicker : public QwtPlotPicker
{
public:
RiuQwtPlotPicker(QWidget *canvas)
: QwtPlotPicker(canvas)
{
}
protected:
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
virtual QwtText trackerText(const QPoint& pos) const override
{
QwtText txt;
const RiuSummaryQwtPlot* sumPlot = dynamic_cast<const RiuSummaryQwtPlot*>(this->plot());
if (sumPlot)
{
int closestYAxis = QwtPlot::yLeft;
QPointF closestPoint = sumPlot->closestCurvePoint(pos, &closestYAxis);
if (!closestPoint.isNull())
{
QString str = QString::number(closestPoint.y());
txt.setText(str);
}
RiuSummaryQwtPlot* nonConstPlot = const_cast<RiuSummaryQwtPlot*>(sumPlot);
nonConstPlot->updateClosestCurvePointMarker(closestPoint, closestYAxis);
}
return txt;
}
};
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
@ -75,6 +120,15 @@ RiuSummaryQwtPlot::RiuSummaryQwtPlot(RimSummaryPlot* plotDefinition, QWidget* pa
RiuQwtScalePicker* scalePicker = new RiuQwtScalePicker(this);
connect(scalePicker, SIGNAL(clicked(int, double)), this, SLOT(onAxisClicked(int, double)));
// Create a plot picker to display values next to mouse cursor
m_plotPicker = new RiuQwtPlotPicker(this->canvas());
m_plotPicker->setTrackerMode(QwtPicker::AlwaysOn);
m_plotMarker = new QwtPlotMarker;
// QwtPlotMarker takes ownership of the symbol, it is deleted in destructor of QwtPlotMarker
m_plotMarker->setSymbol(new QwtSymbol(QwtSymbol::Ellipse, Qt::NoBrush, QPen(Qt::black), QSize(9, 9)));
}
//--------------------------------------------------------------------------------------------------
@ -89,6 +143,9 @@ RiuSummaryQwtPlot::~RiuSummaryQwtPlot()
{
m_plotDefinition->handleViewerDeletion();
}
m_plotMarker->detach();
delete m_plotMarker;
}
//--------------------------------------------------------------------------------------------------
@ -135,6 +192,84 @@ void RiuSummaryQwtPlot::setZoomWindow(const QwtInterval& leftAxis, const QwtInte
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QPointF RiuSummaryQwtPlot::closestCurvePoint(const QPoint& pos, int* yAxis) const
{
QPointF p;
QwtPlotCurve* closestCurve = nullptr;
double distMin = DBL_MAX;
int closestPointIndex = -1;
const QwtPlotItemList& itmList = itemList();
for (QwtPlotItemIterator it = itmList.begin(); it != itmList.end(); it++)
{
if ((*it)->rtti() == QwtPlotItem::Rtti_PlotCurve)
{
QwtPlotCurve* candidateCurve = static_cast<QwtPlotCurve*>(*it);
double dist = DBL_MAX;
int pointIndexCandidate = candidateCurve->closestPoint(pos, &dist);
if (dist < distMin)
{
closestCurve = candidateCurve;
distMin = dist;
closestPointIndex = pointIndexCandidate;
}
}
}
if (closestCurve && distMin < 50)
{
p = closestCurve->sample(closestPointIndex);
if (yAxis) *yAxis = closestCurve->yAxis();
}
return p;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RiuSummaryQwtPlot::updateClosestCurvePointMarker(const QPointF& closestPoint, int yAxis)
{
bool replotRequired = false;
if (!closestPoint.isNull())
{
if (!m_plotMarker->plot())
{
m_plotMarker->attach(this);
replotRequired = true;
}
if (m_plotMarker->value() != closestPoint)
{
m_plotMarker->setValue(closestPoint.x(), closestPoint.y());
// Set y-axis to be able to support more than one y-axis. Default y-axis is left axis.
// TODO : Should use a color or other visual indicator to show what axis the curve relates to
m_plotMarker->setYAxis(yAxis);
replotRequired = true;
}
}
else
{
if (m_plotMarker->plot())
{
m_plotMarker->detach();
replotRequired = true;
}
}
if (replotRequired) this->replot();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
@ -207,47 +342,12 @@ bool RiuSummaryQwtPlot::eventFilter(QObject* watched, QEvent* event)
{
if(watched == canvas())
{
QWheelEvent* wheelEvent = dynamic_cast<QWheelEvent*>(event);
if(wheelEvent)
QMouseEvent* mouseEvent = dynamic_cast<QMouseEvent*>(event);
if(mouseEvent)
{
#if 0
if(!m_plotDefinition)
if(mouseEvent->button() == Qt::LeftButton && mouseEvent->type() == QMouseEvent::MouseButtonRelease)
{
return QwtPlot::eventFilter(watched, event);
}
if(wheelEvent->modifiers() & Qt::ControlModifier)
{
QwtScaleMap scaleMap = canvasMap(QwtPlot::yLeft);
double zoomCenter = scaleMap.invTransform(wheelEvent->pos().y());
if(wheelEvent->delta() > 0)
{
plotDefinition->setDepthZoomByFactorAndCenter(RIU_SCROLLWHEEL_ZOOMFACTOR, zoomCenter);
}
else
{
plotDefinition->setDepthZoomByFactorAndCenter(1.0/RIU_SCROLLWHEEL_ZOOMFACTOR, zoomCenter);
}
}
else
{
plotDefinition->panDepth(wheelEvent->delta() < 0 ? RIU_SCROLLWHEEL_PANFACTOR : -RIU_SCROLLWHEEL_PANFACTOR);
}
event->accept();
return true;
#endif
}
else
{
QMouseEvent* mouseEvent = dynamic_cast<QMouseEvent*>(event);
if(mouseEvent)
{
if(mouseEvent->button() == Qt::LeftButton && mouseEvent->type() == QMouseEvent::MouseButtonRelease)
{
selectClosestCurve(mouseEvent->pos());
}
selectClosestCurve(mouseEvent->pos());
}
}
}

9
ApplicationCode/UserInterface/RiuSummaryQwtPlot.h
View File

@ -27,6 +27,8 @@ class QwtPlotCurve;
class QwtPlotGrid;
class QwtPlotZoomer;
class QwtInterval;
class QwtPicker;
class QwtPlotMarker;
class RimSummaryPlot;
@ -52,12 +54,16 @@ public:
const QwtInterval& rightAxis,
const QwtInterval& timeAxis);
QPointF closestCurvePoint(const QPoint& pos, int* yAxis) const;
void updateClosestCurvePointMarker(const QPointF& pos, int yAxis);
protected:
virtual bool eventFilter(QObject* watched, QEvent* event);
private:
void setDefaults();
void selectClosestCurve(const QPoint& pos);
void showToolTip(const QPoint& pos);
private slots:
void onZoomedSlot( );
@ -65,6 +71,9 @@ private slots:
private:
QwtPlotGrid* m_grid;
QwtPicker* m_plotPicker;
QwtPlotMarker* m_plotMarker;
caf::PdmPointer<RimSummaryPlot> m_plotDefinition;
QPointer<QwtPlotZoomer> m_zoomerLeft;