how to deal with two QBarSeries overlapping ?

joy_yelehuan

Widget::Widget(QWidget *parent) :
QWidget(parent),
ui(new Ui::Widget)
{
ui->setupUi(this);
mMainLayout = new QHBoxLayout(this);
mChartView = new QChartView(this);

mMainLayout->addWidget(mChartView);

mChart = new QChart();
mChartView->setChart(mChart);

xAxis = new QValueAxis;
mChart->addAxis(xAxis, Qt::AlignBottom);
xAxis->setRange(0, 5);

yLeftAxis = new QValueAxis;
mChart->addAxis(yLeftAxis, Qt::AlignLeft);
yLeftAxis->setRange(1, 5);

yRightAxis = new QValueAxis;
mChart->addAxis(yRightAxis, Qt::AlignRight);
yRightAxis->setRange(10, 90);

// twoSeries();
oneSeries();
this->resize(800, 600);
}

void Widget::oneSeries(){
QBarSeries *barSeries2 = new QBarSeries(mChart);
mChart->addSeries(barSeries2);
barSeries2->attachAxis(xAxis);
barSeries2->attachAxis(yRightAxis);
barSeries2->setBarWidth(0.1);
QBarSet *rightData = new QBarSet("right");
rightData->append(QList<qreal>() << 10 << 40 << 30 << 40 << 20);
barSeries2->append(rightData);
barSeries2->setOpacity(0.5);

mChart->setGeometry(100, 30, 40, 50);
mChart->setPos(QPointF(100, 20));
QBarSeries *barSeries1 = new QBarSeries(mChart);
mChart->addSeries(barSeries1);

barSeries1->attachAxis(xAxis);
barSeries1->attachAxis(yLeftAxis);
QBarSet *leftData = new QBarSet("left");
leftData->append(QList<qreal>() << 1 << 2 << 3 << 4 << 4);
barSeries1->append(leftData);
barSeries1->setOpacity(0.5);
barSeries1->setBarWidth(0.5);

}

void Widget::twoSeries(){
QBarSeries *barSeries2 = new QBarSeries(mChart);
mChart->addSeries(barSeries2);
barSeries2->attachAxis(xAxis);
barSeries2->attachAxis(yRightAxis);
barSeries2->setBarWidth(0.1);
QBarSet *rightData = new QBarSet("right");
rightData->append(QList<qreal>() << 10 << 40 << 30 << 40 << 20);
barSeries2->append(rightData);
barSeries2->setOpacity(0.5);

QBarSeries *barSeries1 = new QBarSeries(mChart);
mChart->addSeries(barSeries1);

barSeries1->attachAxis(xAxis);
barSeries1->attachAxis(yLeftAxis);
QBarSet *leftData = new QBarSet("left");
leftData->append(QList<qreal>() << 1 << 2 << 3 << 4 << 4);
barSeries1->append(leftData);
barSeries1->setOpacity(0.5);
barSeries1->setBarWidth(0.5);

}

Widget::~Widget()
{
delete ui;
}