BarCategoryAxis QML Type

Adds categories to a graph's axes. More...

Import Statement:	import QtGraphs
Instantiates:	QBarCategoryAxis
Inherits:	AbstractAxis

List of all members, including inherited members
BarCategoryAxis is part of Qt Graphs QML Types for 2D.

Properties

categories : list
count : int
max : string
min : string

Signals

categoryRangeChanged(string min, string max)

Methods

void clear()

Detailed Description

The BarCategoryAxis type can be set up to show an axis line with tick marks, grid lines, and shades. Categories are drawn between the ticks.

The following QML snippet illustrates how to use BarCategoryAxis:

GraphsView {
    anchors.fill: parent
    axisX: BarCategoryAxis {
        categories: ["2023", "2024", "2025"]
        lineVisible: false
    }
    axisY: ValueAxis { }
    BarSeries {
        BarSet {
            values: [7, 6, 9]
        }
    }
}

Property Documentation

categories : list

The categories of an axis.

count : int [read-only]

The number of categories of an axis.

max : string

The maximum value on the axis. The given value should be contained in categories.

min : string

The minimum value on the axis. The given value should be contained in categories.

Signal Documentation

categoryRangeChanged(string min, string max)

This signal is emitted when min or max value of the axis changes.

The corresponding signal handler is onCategoryRangeChanged.

Note: The corresponding handler is onCategoryRangeChanged.

Method Documentation

void clear()

Removes all categories. Sets the maximum and minimum values of the axis range to QString::null.

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