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C++ QwtPlot::axisScaleDiv方法代码示例

本文整理汇总了C++中QwtPlot::axisScaleDiv方法的典型用法代码示例。如果您正苦于以下问题：C++ QwtPlot::axisScaleDiv方法的具体用法？C++ QwtPlot::axisScaleDiv怎么用？C++ QwtPlot::axisScaleDiv使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QwtPlot的用法示例。


在下文中一共展示了QwtPlot::axisScaleDiv方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: rescale

void QwtPlotZoomer::rescale()
{
    QwtPlot *plt = plot();
    if ( !plt )
        return;

    const QRectF &rect = d_data->zoomStack[d_data->zoomRectIndex];
    if ( rect != scaleRect() )
    {
        const bool doReplot = plt->autoReplot();
        plt->setAutoReplot( false );

        double x1 = rect.left();
        double x2 = rect.right();
        if ( !plt->axisScaleDiv( xAxis() ).isIncreasing() )
            qSwap( x1, x2 );

        plt->setAxisScale( xAxis(), x1, x2 );

        double y1 = rect.top();
        double y2 = rect.bottom();
        if ( !plt->axisScaleDiv( yAxis() ).isIncreasing() )
            qSwap( y1, y2 );

        plt->setAxisScale( yAxis(), y1, y2 );

        plt->setAutoReplot( doReplot );

        plt->replot();
    }
}
开发者ID:facontidavide，项目名称:PlotJuggler，代码行数:31，代码来源:qwt_plot_zoomer.cpp

示例2: updateScales

/*!
   Update the axes scales

   \param intervals Scale intervals
*/
void QwtPlotRescaler::updateScales(
    QwtInterval intervals[QwtPlot::axisCnt] ) const
{
    if ( d_data->inReplot >= 5 )
    {
        return;
    }

    QwtPlot *plt = const_cast<QwtPlot *>( plot() );

    const bool doReplot = plt->autoReplot();
    plt->setAutoReplot( false );

    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
    {
        if ( axis == referenceAxis() || aspectRatio( axis ) > 0.0 )
        {
            double v1 = intervals[axis].minValue();
            double v2 = intervals[axis].maxValue();

            if ( plt->axisScaleDiv( axis )->lowerBound() >
                plt->axisScaleDiv( axis )->upperBound() )
            {
                qSwap( v1, v2 );
            }

            if ( d_data->inReplot >= 1 )
            {
                d_data->axisData[axis].scaleDiv = *plt->axisScaleDiv( axis );
            }

            if ( d_data->inReplot >= 2 )
            {
                QList<double> ticks[QwtScaleDiv::NTickTypes];
                for ( int i = 0; i < QwtScaleDiv::NTickTypes; i++ )
                    ticks[i] = d_data->axisData[axis].scaleDiv.ticks( i );

                plt->setAxisScaleDiv( axis, QwtScaleDiv( v1, v2, ticks ) );
            }
            else
            {
                plt->setAxisScale( axis, v1, v2 );
            }
        }
    }

    const bool immediatePaint = 
        plt->canvas()->testPaintAttribute( QwtPlotCanvas::ImmediatePaint );
    plt->canvas()->setPaintAttribute( QwtPlotCanvas::ImmediatePaint, false );

    plt->setAutoReplot( doReplot );

    d_data->inReplot++;
    plt->replot();
    d_data->inReplot--;

    plt->canvas()->setPaintAttribute( 
        QwtPlotCanvas::ImmediatePaint, immediatePaint );
}
开发者ID:Alex-Rongzhen-Huang，项目名称:OpenPilot，代码行数:64，代码来源:qwt_plot_rescaler.cpp

示例3: updateScales

/*!
   Update the axes scales 

   \param intervals Scale intervals
*/
void QwtPlotRescaler::updateScales(
    QwtDoubleInterval intervals[QwtPlot::axisCnt]) const
{
    if ( d_data->inReplot >= 5 )
    {
        return;
    }

    QwtPlot *plt = (QwtPlot *)plot();

    const bool doReplot = plt->autoReplot();
    plt->setAutoReplot(false);

    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
    {
        if ( axis == referenceAxis() || aspectRatio(axis) > 0.0 )
        {
            double v1 = intervals[axis].minValue();
            double v2 = intervals[axis].maxValue();

            if ( plt->axisScaleDiv(axis)->lowerBound() >
                plt->axisScaleDiv(axis)->upperBound() )
            {
                qSwap(v1, v2);
            }

            if ( d_data->inReplot >= 1 )
            {
                d_data->axisData[axis].scaleDiv = *plt->axisScaleDiv(axis);
            }

            if ( d_data->inReplot >= 2 )
            {
                QwtValueList ticks[QwtScaleDiv::NTickTypes];
                for ( int i = 0; i < QwtScaleDiv::NTickTypes; i++ )
                    ticks[i] = d_data->axisData[axis].scaleDiv.ticks(i);

                plt->setAxisScaleDiv(axis, QwtScaleDiv(v1, v2, ticks));
            }
            else
            {
                plt->setAxisScale(axis, v1, v2);
            }
        }
    }

    plt->setAutoReplot(doReplot);

    d_data->inReplot++;
    plt->replot();
    d_data->inReplot--;
}
开发者ID:AlexKraemer，项目名称:RFID_ME_HW_GUI，代码行数:57，代码来源:qwt_plot_rescaler.cpp

示例4: rescale

/*! 
   Zoom in/out the axes scales
   \param factor A value < 1.0 zooms in, a value > 1.0 zooms out.
*/
void QwtPlotMagnifier::rescale(double factor)
{
    factor = qwtAbs(factor);
    if ( factor == 1.0 || factor == 0.0 )
        return;

    bool doReplot = false;
    QwtPlot* plt = plot();

    const bool autoReplot = plt->autoReplot();
    plt->setAutoReplot(false);

    for ( int axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
    {
        const QwtScaleDiv *scaleDiv = plt->axisScaleDiv(axisId);
        if ( isAxisEnabled(axisId) && scaleDiv->isValid() )
        {
            const double center =
                scaleDiv->lowerBound() + scaleDiv->range() / 2;
            const double width_2 = scaleDiv->range() / 2 * factor;

            plt->setAxisScale(axisId, center - width_2, center + width_2);
            doReplot = true;
        }
    }

    plt->setAutoReplot(autoReplot);

    if ( doReplot )
        plt->replot();
}
开发者ID:AlexKraemer，项目名称:RFID_ME_HW_GUI，代码行数:35，代码来源:qwt_plot_magnifier.cpp

示例5: showColorScale

void Spectrogram::showColorScale(int axis, bool on)
{
  if (hasColorScale() == on && color_axis == axis)
    return;

  QwtPlot *plot = this->plot();
  if (!plot)
    return;

  QwtScaleWidget *colorAxis = plot->axisWidget(color_axis);
  colorAxis->setColorBarEnabled(false);

  color_axis = axis;

  // We must switch main and the color scale axes and their respective scales
  int xAxis = this->xAxis();
  int yAxis = this->yAxis();
  int oldMainAxis = yAxis;
  if (axis == QwtPlot::xBottom || axis == QwtPlot::xTop)
  {
    oldMainAxis = xAxis;
    xAxis = 5 - color_axis;
  }
  else if (axis == QwtPlot::yLeft || axis == QwtPlot::yRight)
  {
    oldMainAxis = yAxis;
    yAxis = 1 - color_axis;
  }

  // First we switch axes
  setAxis(xAxis, yAxis);

  // Next we switch axes scales
  QwtScaleDiv *scDiv = plot->axisScaleDiv(oldMainAxis);
  if (axis == QwtPlot::xBottom || axis == QwtPlot::xTop)
    plot->setAxisScale(xAxis, scDiv->lBound(), scDiv->hBound());
  else if (axis == QwtPlot::yLeft || color_axis == QwtPlot::yRight)
    plot->setAxisScale(yAxis, scDiv->lBound(), scDiv->hBound());

  colorAxis = plot->axisWidget(color_axis);
  plot->setAxisScale(color_axis, data().range().minValue(), data().range().maxValue());
  colorAxis->setColorBarEnabled(on);
  colorAxis->setColorMap(data().range(), colorMap());
  if (!plot->axisEnabled(color_axis))
    plot->enableAxis(color_axis);
  colorAxis->show();
  plot->updateLayout();
}
开发者ID:stothe2，项目名称:mantid，代码行数:48，代码来源:Spectrogram.cpp

示例6: moveCanvas

/*!
   Adjust the enabled axes according to dx/dy

   \param dx Pixel offset in x direction
   \param dy Pixel offset in y direction

   \sa QwtPanner::panned()
*/
void QwtPlotPanner::moveCanvas( int dx, int dy )
{
    if ( dx == 0 && dy == 0 )
        return;

    QwtPlot *plot = this->plot();
    if ( plot == NULL )
        return;

    const bool doAutoReplot = plot->autoReplot();
    plot->setAutoReplot( false );

    for ( int axisPos = 0; axisPos < QwtAxis::PosCount; axisPos++ )
    {
        const int axesCount = plot->axesCount( axisPos );
        for ( int i = 0; i < axesCount; i++ )
        {
            const QwtAxisId axisId( axisPos, i );

            if ( !isAxisEnabled( axisId ) )
                continue;

            const QwtScaleMap map = plot->canvasMap( axisId );

            const double p1 = map.transform( plot->axisScaleDiv( axisId ).lowerBound() );
            const double p2 = map.transform( plot->axisScaleDiv( axisId ).upperBound() );

            double d1, d2;
            if ( QwtAxis::isXAxis( axisPos ) )
            {
                d1 = map.invTransform( p1 - dx );
                d2 = map.invTransform( p2 - dx );
            }
            else
            {
                d1 = map.invTransform( p1 - dy );
                d2 = map.invTransform( p2 - dy );
            }

            plot->setAxisScale( axisId, d1, d2 );
        }
    }

    plot->setAutoReplot( doAutoReplot );
    plot->replot();
}
开发者ID:27sparks，项目名称:GoldenCheetah，代码行数:54，代码来源:qwt_plot_panner.cpp

示例7: moveCanvas

/*!
   Adjust the enabled axes according to dx/dy

   \param dx Pixel offset in x direction
   \param dy Pixel offset in y direction

   \sa QwtPanner::panned()
*/
void QwtPlotPanner::moveCanvas(int dx, int dy)
{
    if ( dx == 0 && dy == 0 )
        return;

    QwtPlot *plot = QwtPlotPanner::plot();
    if ( plot == NULL )
        return;
    
    const bool doAutoReplot = plot->autoReplot();
    plot->setAutoReplot(false);

    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
    {
        if ( !d_data->isAxisEnabled[axis] )
            continue;

        const QwtScaleMap map = plot->canvasMap(axis);

        const int i1 = map.transform(plot->axisScaleDiv(axis)->lowerBound());
        const int i2 = map.transform(plot->axisScaleDiv(axis)->upperBound());

        double d1, d2;
        if ( axis == QwtPlot::xBottom || axis == QwtPlot::xTop )
        {
            d1 = map.invTransform(i1 - dx);
            d2 = map.invTransform(i2 - dx);
        }
        else
        {
            d1 = map.invTransform(i1 - dy);
            d2 = map.invTransform(i2 - dy);
        }

        plot->setAxisScale(axis, d1, d2);
    }

    plot->setAutoReplot(doAutoReplot);
    plot->replot();
}
开发者ID:BijanZarif，项目名称:coolfluid3，代码行数:48，代码来源:qwt_plot_panner.cpp

示例8: scaleDivChanged

void PlotMatrix::scaleDivChanged()
{
    if ( d_data->inScaleSync )
        return;

    d_data->inScaleSync = true;

    QwtPlot *plt = NULL;
    int axisId = -1;
    int rowOrColumn = -1;

    // find the changed axis
    for ( int row = 0; row < numRows(); row++ )
    {
        for ( int col = 0; col < numColumns(); col++ )
        {
            QwtPlot *p = plot( row, col );
            if ( p )
            {
                for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
                {
                    if ( p->axisWidget( axis ) == sender() )
                    {
                        plt = p;
                        axisId = axis;
                        if ( axisId == QwtPlot::xBottom || axisId == QwtPlot::xTop )
                            rowOrColumn = col;
                        else
                            rowOrColumn = row;

                    }
                }
            }
        }
    }

    if ( plt )
    {

        // synchronize the axes
        if ( axisId == QwtPlot::xBottom || axisId == QwtPlot::xTop )
        {
            for ( int row = 0; row < numRows(); row++ )
            {
                QwtPlot *p = plot( row, rowOrColumn );
                if ( p != plt )
                    p->setAxisScaleDiv( axisId, plt->axisScaleDiv( axisId ) );
            }
        }
        else
        {
            for ( int col = 0; col < numColumns(); col++ )
            {
                QwtPlot *p = plot( rowOrColumn, col );
                if ( p != plt )
                    p->setAxisScaleDiv( axisId, plt->axisScaleDiv( axisId ) );
            }
        }

        updateLayout();
    }

    d_data->inScaleSync = false;
}
开发者ID:0vermind，项目名称:NeoLoader，代码行数:64，代码来源:plotmatrix.cpp


注：本文中的QwtPlot::axisScaleDiv方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。