1. 首先,需要创建一个名为QBarSet的类。
2. 在QBarSet类中,定义所需的属性和方法。
3. 属性可能包括条形的名称、颜色、值等。
4. 方法可能包括添加条形、删除条形、计算总和等。
5. 确保QBarSet类能够与QBar类协同工作,以便在图表中显示数据。
1. 首先,需要创建一个名为QStackedBarSeries的类。
2. 在QStackedBarSeries类中,定义所需的属性和方法。
3. 属性可能包括系列的名称、颜色、数据集合等。
4. 方法可能包括添加数据、删除数据、计算总和等。
5. 确保QStackedBarSeries类能够与其他图表元素协同工作,以便在图表中显示堆叠条形图。
1. 首先,需要创建一个名为QBarCategoryAxis的类。
2. 在QBarCategoryAxis类中,定义所需的属性和方法。
3. 属性可能包括轴的名称、颜色、刻度标签等。
4. 方法可能包括设置刻度标签、计算类别宽度等。
5. 确保QBarCategoryAxis类能够与其他图表元素协同工作,以便在图表中显示条形图的类别轴。
1. 首先,需要创建一个名为QValueAxis的类。
2. 在QValueAxis类中,定义所需的属性和方法。
3. 属性可能包括轴的名称、颜色、最小值、最大值等。
4. 方法可能包括设置最小值、设置最大值、计算刻度间隔等。
5. 确保QValueAxis类能够与其他图表元素协同工作,以便在图表中显示条形图的数值轴。
#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtCharts/QChartView>
#include <QtCharts/QStackedBarSeries>
#include <QtCharts/QBarSet>
#include <QtCharts/QLegend>
#include <QtCharts/QBarCategoryAxis>
#include <QtCharts/QValueAxis>
//QT_CHARTS_USE_NAMESPACE
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
//![1]
QBarSet *set0 = new QBarSet("Jane");
QBarSet *set1 = new QBarSet("John");
QBarSet *set2 = new QBarSet("Axel");
QBarSet *set3 = new QBarSet("Mary");
QBarSet *set4 = new QBarSet("Samantha");
*set0 << 1 << 2 << 3 << 4 << 5 << 6;
*set1 << 5 << 0 << 0 << 4 << 0 << 7;
*set2 << 3 << 5 << 8 << 13 << 8 << 5;
*set3 << 5 << 6 << 7 << 3 << 4 << 5;
*set4 << 9 << 7 << 5 << 3 << 1 << 2;
//![1]
//![2]
QStackedBarSeries *series = new QStackedBarSeries();
series->append(set0);
series->append(set1);
series->append(set2);
series->append(set3);
series->append(set4);
//![2]
//![3]
QChart *chart = new QChart();
chart->addSeries(series);
chart->setTitle("简单的堆叠条形图示例");
chart->setAnimationOptions(QChart::SeriesAnimations);
//![3]
//![4]
QStringList categories;
categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
QBarCategoryAxis *axisX = new QBarCategoryAxis();
axisX->append(categories);
chart->addAxis(axisX, Qt::AlignBottom);
series->attachAxis(axisX);
QValueAxis *axisY = new QValueAxis();
chart->addAxis(axisY, Qt::AlignLeft);
series->attachAxis(axisY);
//![4]
//![5]
chart->legend()->setVisible(true);
chart->legend()->setAlignment(Qt::AlignBottom);
//![5]
//![6]
QChartView *chartView = new QChartView(chart);
chartView->setRenderHint(QPainter::Antialiasing);
//![6]
//![7]
QMainWindow window;
window.setWindowTitle("公众号:Qt历险记");
window.setCentralWidget(chartView);
window.resize(420, 300);
window.show();
//![7]
return a.exec();
}
#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtCharts/QChartView>
#include <QtCharts/QBarSeries>
#include <QtCharts/QBarSet>
#include <QtCharts/QLegend>
#include <QtCharts/QBarCategoryAxis>
#include <QtCharts/QStackedBarSeries>
#include <QtCharts/QValueAxis>
//QT_CHARTS_USE_NAMESPACE
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
//![1]
QBarSet *low = new QBarSet("Min");
QBarSet *high = new QBarSet("Max");
*low << -52 << -50 << -45.3 << -37.0 << -25.6 << -8.0
<< -6.0 << -11.8 << -19.7 << -32.8 << -43.0 << -48.0;
*high << 11.9 << 12.8 << 18.5 << 26.5 << 32.0 << 34.8
<< 38.2 << 34.8 << 29.8 << 20.4 << 15.1 << 11.8;
//![1]
//![2]
QStackedBarSeries *series = new QStackedBarSeries();
series->append(low);
series->append(high);
//![2]
//![3]
QChart *chart = new QChart();
chart->addSeries(series);
chart->setTitle("温度记录(摄氏度)");
chart->setAnimationOptions(QChart::SeriesAnimations);
//![3]
//![4]
QStringList categories = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
QBarCategoryAxis *axisX = new QBarCategoryAxis();
axisX->append(categories);
axisX->setTitleText("月份");
chart->addAxis(axisX, Qt::AlignBottom);
QValueAxis *axisY = new QValueAxis();
axisY->setRange(-52, 52);
axisY->setTitleText("Temperature [°C]");
chart->addAxis(axisY, Qt::AlignLeft);
series->attachAxis(axisX);
series->attachAxis(axisY);
//![4]
//![5]
chart->legend()->setVisible(true);
chart->legend()->setAlignment(Qt::AlignBottom);
//![5]
//![6]
QChartView *chartView = new QChartView(chart);
chartView->setRenderHint(QPainter::Antialiasing);
//![6]
//![7]
QMainWindow window;
window.setCentralWidget(chartView);
window.resize(600, 300);
window.show();
//![7]
return a.exec();
}
1. 首先,需要创建一个名为QPercentBarSeries的类。
2. 在QPercentBarSeries类中,定义所需的属性和方法。
3. 属性可能包括系列的名称、颜色、数据集合等。
4. 方法可能包括添加数据、删除数据、计算总和等。
5. 确保QPercentBarSeries类能够与其他图表元素协同工作,以便在图表中显示堆叠百分比条形图。
#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtCharts/QChartView>
#include <QtCharts/QPercentBarSeries>
#include <QtCharts/QBarSet>
#include <QtCharts/QLegend>
#include <QtCharts/QBarCategoryAxis>
#include <QtCharts/QValueAxis>
//QT_CHARTS_USE_NAMESPACE
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
//![1]
QBarSet *set0 = new QBarSet("Jane");
QBarSet *set1 = new QBarSet("John");
QBarSet *set2 = new QBarSet("Axel");
QBarSet *set3 = new QBarSet("Mary");
QBarSet *set4 = new QBarSet("Samantha");
*set0 << 1 << 2 << 3 << 4 << 5 << 6;
*set1 << 5 << 0 << 0 << 4 << 0 << 7;
*set2 << 3 << 5 << 8 << 13 << 8 << 5;
*set3 << 5 << 6 << 7 << 3 << 4 << 5;
*set4 << 9 << 7 << 5 << 3 << 1 << 2;
//![1]
//![2]
QPercentBarSeries *series = new QPercentBarSeries();
series->append(set0);
series->append(set1);
series->append(set2);
series->append(set3);
series->append(set4);
//![2]
//![3]
QChart *chart = new QChart();
chart->addSeries(series);
chart->setTitle("Simple percentbarchart example");
chart->setAnimationOptions(QChart::SeriesAnimations);
//![3]
//![4]
QStringList categories;
categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
QBarCategoryAxis *axisX = new QBarCategoryAxis();
axisX->append(categories);
chart->addAxis(axisX, Qt::AlignBottom);
series->attachAxis(axisX);
QValueAxis *axisY = new QValueAxis();
chart->addAxis(axisY, Qt::AlignLeft);
series->attachAxis(axisY);
//![4]
//![5]
chart->legend()->setVisible(true);
chart->legend()->setAlignment(Qt::AlignBottom);
//![5]
//![6]
QChartView *chartView = new QChartView(chart);
chartView->setRenderHint(QPainter::Antialiasing);
//![6]
//![7]
QMainWindow window;
window.setCentralWidget(chartView);
window.resize(420, 300);
window.show();
//![7]
return a.exec();
}
原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。
原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。