Represents one item in a box-and-whiskers chart. 更多...
导入语句: | import QtCharts 2.2 |
实例化: | QBoxSet |
A box-and-whiskers item is a graphical representation of a range and three median values that is constructed from five different values. There are two ways to specify the values. The first one is by using a constructor or the append() method. The values have to be specified in the following order: lower extreme, lower quartile, median, upper quartile, and upper extreme.
The second way is to create an empty BoxSet instance and specify the values using the setValue() 方法。
另请参阅 BoxPlotSeries .
brushFilename : string |
The name of the file used as a brush for the box-and-whiskers item.
count : int |
The number of values of the box-and-whiskers item.
label : string |
The label of the category of the box-and-whiskers item.
values : list |
The values of the box-and-whiskers item. The following enumerations can be used as indexes when accessing the list of values:
常量 | 描述 |
---|---|
BoxSet.LowerExtreme
|
The smallest value of the box-and-whiskers item. |
BoxSet.LowerQuartile
|
The median value of the lower half of the box-and-whiskers item. |
BoxSet.Median
|
The median value of the box-and-whiskers item. |
BoxSet.UpperQuartile
|
The median value of the upper half of the box-and-whiskers item. |
BoxSet.UpperExtreme
|
The largest value of the box-and-whiskers item. |
另请参阅 at() and setValue() .
cleared () |
This signal is emitted when all the values of the box-and-whiskers item are set to 0.
The corresponding signal handler is
onCleared()
.
注意:
相应处理程序是
onCleared
.
clicked () |
This signal is emitted when the user clicks a box-and-whiskers item in the chart.
The corresponding signal handler is
onClicked()
.
注意:
相应处理程序是
onClicked
.
doubleClicked () |
This signal is emitted when the user double-clicks a box-and-whiskers item.
The corresponding signal handler is
onDoubleClicked()
.
注意:
相应处理程序是
onDoubleClicked
.
hovered ( bool status ) |
This signal is emitted when a mouse is hovered over a box-and-whiskers item in a chart. When the mouse moves over the item,
status
turns
true
, and when the mouse moves away again, it turns
false
.
The corresponding signal handler is
onHovered()
.
注意:
相应处理程序是
onHovered
.
pressed () |
This signal is emitted when the user clicks a box-and-whiskers item in the chart and holds down the mouse button.
The corresponding signal handler is
onPressed
.
注意:
相应处理程序是
onPressed
.
released () |
This signal is emitted when the user releases the mouse press on a box-and-whiskers item.
The corresponding signal handler is
onReleased()
.
注意:
相应处理程序是
onReleased
.
valueChanged ( int index ) |
This signal is emitted when the value of the box-and-whiskers item specified by index 改变。
The corresponding signal handler is
onValueChanged()
.
注意:
相应处理程序是
onValueChanged
.
valuesChanged () |
This signal is emitted when multiple values of the box-and-whiskers item change.
The corresponding signal handler is
onValuesChanged()
.
注意:
相应处理程序是
onValuesChanged
.
void append ( qreal value ) |
Appends the new value specified by value to the end of the box-and-whiskers item.
void at ( int index ) |
Returns the value in the position specified by index .
void clear () |
Sets all the values of the box-and-whiskers item to 0.
void setValue ( int index , qreal value ) |
Sets the value specified by value in the position specified by index .