QChart is a QGraphicsWidget that you can show in a QGraphicsScene. It manages the graphical representation of different types of series and other chart related objects like legend and axes. To simply show a chart in a layout, the convenience class QChartView can …

The QChart class manages the graphical representation of different types of series and other chart related objects, such as legend and axes. QChart is a QGraphicsWidget that can be shown in a QGraphicsScene. A simpler solution is to display a chart in a layout by using the convenience class QChartView instead of QChart.

First we customize the series and the chart's title and background. Then we customize the axes. Then the axis label values and ranges. Once the axes are ready, we set them to be used by the chart. Finally, we create a view containing the chart. Now we are ready to show the chart on a …

Spend less time charting.

2025年3月11日 · 如果需要在QT中使用QChart类，需要在安装的时候勾选QChart选项，在工程的 .pro 文件里面添加QT += charts 语句，包含 QChart 头文件就行了。 对于图表的显示，可以先拖出来一个控件，比如 widget、Graphics等控件，将其提升为 QChartView 类用于显示 chart。右键该控件选择提升，输入内容可以以图片中的形式作为 ...

QChart * chart = new QChart (); chart-> setTitle("Line chart"); A common set of random data is generated and placed in a list. This list is used in each chart type to add data to the series of the chart. For the line series, QLineSeries instances are created and added to the chart.

The QChartView is a standalone widget that can display charts. More... A chart view does not require a QGraphicsScene object to work. To display a chart in an existing QGraphicsScene, the QChart or QPolarChart class should be used instead. See also QChart and QPolarChart.

QChart is a QGraphicsWidget that you can show in a QGraphicsScene. It manages the graphical representation of different types of series and other chart related objects like legend and axes. If you simply want to show a chart in a layout, you can use the convenience class QChartView instead of QChart. See also QChartView and QPolarChart.

To create a line chart, a QLineSeries instance is needed. Let's create one. Then we add data to the series. We can use the append () member function or use the stream operator. series -> append(0, 6); series -> append(2, 4); series -> append(3, 8); series -> append(7, 4); series …

QChart is a QGraphicsWidget that you can show in a QGraphicsScene. It manages the graphical representation of different types of series and other chart related objects like legend and axes. To simply show a chart in a layout, the convenience class QChartView can …