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First approach to plot quality

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jfmcarreira
2015-03-12 21:48:32 +00:00
parent 204a07cb93
commit 738582392d
4 changed files with 147 additions and 45 deletions
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app/PlotSubWindow.cpp
+61 -39
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@@ -27,6 +27,15 @@
namespace plaYUVer
{
Void PlotSubWindow::definePlotColors()
{
m_arrayColorList.append( Qt::blue );
m_arrayColorList.append( Qt::red );
m_arrayColorList.append( Qt::green );
m_arrayColorList.append( Qt::black );
m_arrayColorList.append( Qt::cyan );
}
PlotSubWindow::PlotSubWindow( QWidget * parent ) :
SubWindowHandle( parent, SubWindowHandle::PLOT_SUBWINDOW )
{
@@ -39,26 +48,6 @@ PlotSubWindow::PlotSubWindow( QWidget * parent ) :
m_cPlotArea = new QCustomPlot( this );
setWidget( m_cPlotArea );
Example();
}
Void PlotSubWindow::Example()
{
// add two new graphs and set their look:
m_cPlotArea->addGraph();
m_cPlotArea->graph( 0 )->setPen( QPen( Qt::blue ) ); // line color blue for first graph
m_cPlotArea->graph( 0 )->setBrush( QBrush( QColor( 0, 0, 255, 20 ) ) ); // first graph will be filled with translucent blue
m_cPlotArea->addGraph();
m_cPlotArea->graph( 1 )->setPen( QPen( Qt::red ) ); // line color red for second graph
// generate some points of data (y0 for first, y1 for second graph):
QVector<double> x( 250 ), y0( 250 ), y1( 250 );
for( int i = 0; i < 250; ++i )
{
x[i] = i;
y0[i] = exp( -i / 150.0 ) * cos( i / 10.0 ); // exponentially decaying cosine
y1[i] = exp( -i / 150.0 ); // exponential envelope
}
// configure right and top axis to show ticks but no labels:
// (see QCPAxisRect::setupFullAxesBox for a quicker method to do this)
m_cPlotArea->xAxis2->setVisible( true );
@@ -68,19 +57,30 @@ Void PlotSubWindow::Example()
// make left and bottom axes always transfer their ranges to right and top axes:
connect( m_cPlotArea->xAxis, SIGNAL( rangeChanged(QCPRange) ), m_cPlotArea->xAxis2, SLOT( setRange(QCPRange) ) );
connect( m_cPlotArea->yAxis, SIGNAL( rangeChanged(QCPRange) ), m_cPlotArea->yAxis2, SLOT( setRange(QCPRange) ) );
// pass data points to graphs:
m_cPlotArea->graph( 0 )->setData( x, y0 );
m_cPlotArea->graph( 1 )->setData( x, y1 );
// let the ranges scale themselves so graph 0 fits perfectly in the visible area:
m_cPlotArea->graph( 0 )->rescaleAxes();
// same thing for graph 1, but only enlarge ranges (in case graph 1 is smaller than graph 0):
m_cPlotArea->graph( 1 )->rescaleAxes( true );
// Note: we could have also just called m_cPlotArea->rescaleAxes(); instead
// Allow user to drag axis ranges with mouse, zoom with mouse wheel and select graphs by clicking:
definePlotColors();
m_uiNumberPlots = 0;
m_cPlotArea->setInteractions( QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectPlottables );
}
Void PlotSubWindow::Example()
{
// generate some points of data (y0 for first, y1 for second graph):
QVector<double> x( 250 ), y0( 250 ), y1( 250 );
for( int i = 0; i < 250; ++i )
{
x[i] = i;
y0[i] = exp( -i / 150.0 ) * cos( i / 10.0 ); // exponentially decaying cosine
y1[i] = exp( -i / 150.0 ); // exponential envelope
}
addPlot( x, y0 );
addPlot( x, y1 );
}
PlotSubWindow::~PlotSubWindow()
{
delete m_cPlotArea;
@@ -106,15 +106,37 @@ Void PlotSubWindow::scaleView( Double scale, QPoint center )
}
//QSize PlotSubWindow::sizeHint() const
//{
//
//}
//
//
//QSize PlotSubWindow::sizeHint( const QSize & maxSize ) const
//{
//
//}
QSize PlotSubWindow::sizeHint() const
{
QSize maxSize;
QWidget *p = parentWidget();
if( p )
{
maxSize = p->size();
}
else
{
maxSize = QApplication::desktop()->availableGeometry().size();
}
return sizeHint( maxSize );
}
QSize PlotSubWindow::sizeHint( const QSize & maxSize ) const
{
return maxSize;
}
Void PlotSubWindow::addPlot( const QVector<Double> &key, const QVector<Double> &value )
{
QCPGraph *newPlot = m_cPlotArea->addGraph();
newPlot->setPen( QPen( m_arrayColorList.at( m_uiNumberPlots ) ) ); // line color blue for first graph
newPlot->setBrush( QBrush( QColor( 0, 0, 255, 20 ) ) ); // first graph will be filled with translucent blue
// pass data points to graphs:
newPlot->setData( key, value );
// let the ranges scale themselves so graph 0 fits perfectly in the visible area:
newPlot->rescaleAxes( m_uiNumberPlots > 1 ? true : false );
m_uiNumberPlots++;
}
} // NAMESPACE