Problems with SetMajPen after upgrading QT to 4.8.4 and QWT6.1

[KenJustKen]

I just reinstalled OSX to the latest and upgraded QT(4.74->4.8.4) and QWT(6.01->6.1). After getting my project to compile I can finally run my code if I comment out a couple of qwt calls that I don't understand. Below is my code. I am getting the following compile errors

/Users/KenS/QT_Projects/ep1/plot.cpp:127: error: 'setMajPen' was not declared in this scope
/Users/KenS/QT_Projects/ep1/plot.cpp:128: error: 'setMinPen' was not declared in this scope

I did not get these errors before the upgrade. Does anyone have an idea of what I am doing wrong or what I could have not configured correctly when I rebuilt my machine?

Ken

#include "plot.h"
//   include "friedberg2007.h"
#include <qwt_plot_zoomer.h>
#include <qwt_plot_panner.h>
#include <qwt_plot_marker.h>
#include <qwt_plot_grid.h>
#include <qwt_plot_curve.h>
#include <qwt_plot_intervalcurve.h>
#include <qwt_legend.h>
#include <qwt_interval_symbol.h>
#include <qwt_symbol.h>
#include <qwt_series_data.h>
#include <qwt_text.h>
#include <qwt_scale_draw.h>
#include <qwt_plot_renderer.h>
#include <qdatetime.h>
#include <qfiledialog.h>
#include <qimagewriter.h>
#include <qprintdialog.h>
#include <qfileinfo.h>
 
...
...
...
 
class Grid: public QwtPlotGrid
{
public:
    Grid()
    {
       enableXMin( true );
       setMajPen( QPen( Qt::white, 0, Qt::DotLine ) );
       setMinPen( QPen( Qt::gray, 0 , Qt::DotLine ) );
    }
 
 
    virtual void updateScaleDiv( const QwtScaleDiv &xMap,
        const QwtScaleDiv &yMap )
    {
        QList<double> ticks[QwtScaleDiv::NTickTypes];
 
        ticks[QwtScaleDiv::MajorTick] = 
            xMap.ticks( QwtScaleDiv::MediumTick );
        ticks[QwtScaleDiv::MinorTick] = 
            xMap.ticks( QwtScaleDiv::MinorTick );
 
        QwtPlotGrid::updateScaleDiv(
            QwtScaleDiv( xMap.lowerBound(), xMap.upperBound(), ticks ),
            yMap );
    }
};

#include "plot.h"
//   include "friedberg2007.h"
#include <qwt_plot_zoomer.h>
#include <qwt_plot_panner.h>
#include <qwt_plot_marker.h>
#include <qwt_plot_grid.h>
#include <qwt_plot_curve.h>
#include <qwt_plot_intervalcurve.h>
#include <qwt_legend.h>
#include <qwt_interval_symbol.h>
#include <qwt_symbol.h>
#include <qwt_series_data.h>
#include <qwt_text.h>
#include <qwt_scale_draw.h>
#include <qwt_plot_renderer.h>
#include <qdatetime.h>
#include <qfiledialog.h>
#include <qimagewriter.h>
#include <qprintdialog.h>
#include <qfileinfo.h>

...
...
...

class Grid: public QwtPlotGrid
{
public:
    Grid()
    {
       enableXMin( true );
       setMajPen( QPen( Qt::white, 0, Qt::DotLine ) );
       setMinPen( QPen( Qt::gray, 0 , Qt::DotLine ) );
    }


    virtual void updateScaleDiv( const QwtScaleDiv &xMap,
        const QwtScaleDiv &yMap )
    {
        QList<double> ticks[QwtScaleDiv::NTickTypes];

        ticks[QwtScaleDiv::MajorTick] = 
            xMap.ticks( QwtScaleDiv::MediumTick );
        ticks[QwtScaleDiv::MinorTick] = 
            xMap.ticks( QwtScaleDiv::MinorTick );

        QwtPlotGrid::updateScaleDiv(
            QwtScaleDiv( xMap.lowerBound(), xMap.upperBound(), ticks ),
            yMap );
    }
};

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[Uwe]

/Users/KenS/QT_Projects/ep1/plot.cpp:127: error: 'setMajPen' was not declared in this scope
/Users/KenS/QT_Projects/ep1/plot.cpp:128: error: 'setMinPen' was not declared in this scope

What about spending 5 seconds on reading the 6.1 class documentation of QwtPlotGrid ?

Uwe