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QwtPlotCurve * curve = new QwtPlotCurve;
curve->setPen(color); // 设线条颜色
// 设置曲线样式
switch (type)
{
case Lines:
curve->setStyle(QwtPlotCurve::Lines);
break;
case Sticks:
curve->setStyle(QwtPlotCurve::Sticks);
// 添加头状效果,删除后无头状效果
curve->setSymbol( new QwtSymbol( QwtSymbol::Ellipse,
QColor( Qt::gray ), QColor( Qt::yellow ), QSize( 4, 3 ) ) );
break;
case Dots:
curve->setStyle(QwtPlotCurve::Dots);
break;
case BoldLine:
curve->setStyle(QwtPlotCurve::Lines);
curve->setPen(color, 2);
break;
default:
curve->setStyle(QwtPlotCurve::Lines);
}
curve->attach(this);
curve->setSamples(vecData)
QwtPlotCurve * curve = new QwtPlotCurve;
curve->setPen(color); // 设线条颜色
// 设置曲线样式
switch (type)
{
case Lines:
curve->setStyle(QwtPlotCurve::Lines);
break;
case Sticks:
curve->setStyle(QwtPlotCurve::Sticks);
// 添加头状效果,删除后无头状效果
curve->setSymbol( new QwtSymbol( QwtSymbol::Ellipse,
QColor( Qt::gray ), QColor( Qt::yellow ), QSize( 4, 3 ) ) );
break;
case Dots:
curve->setStyle(QwtPlotCurve::Dots);
break;
case BoldLine:
curve->setStyle(QwtPlotCurve::Lines);
curve->setPen(color, 2);
break;
default:
curve->setStyle(QwtPlotCurve::Lines);
}
curve->attach(this);
curve->setSamples(vecData)
[/quote]QwtPlotCurve * curve = new QwtPlotCurve;
curve->setPen(color); // 设线条颜色
// 设置曲线样式
switch (type)
{
case Lines:
curve->setStyle(QwtPlotCurve::Lines);
break;
case Sticks:
curve->setStyle(QwtPlotCurve::Sticks);
// 添加头状效果,删除后无头状效果
curve->setSymbol( new QwtSymbol( QwtSymbol::Ellipse,
QColor( Qt::gray ), QColor( Qt::yellow ), QSize( 4, 3 ) ) );
break;
case Dots:
curve->setStyle(QwtPlotCurve::Dots);
break;
case BoldLine:
curve->setStyle(QwtPlotCurve::Lines);
curve->setPen(color, 2);
break;
default:
curve->setStyle(QwtPlotCurve::Lines);
}
curve->attach(this);
curve->setSamples(vecData)