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Axes in React Linear Gauge component

30 Sep 2022 / 8 minutes to read

Axis is used to indicate the numeric values in the linear scale. The Linear Gauge component can have any number of axes. The sub-elements of an axis are line, ticks, labels, ranges, and pointers.

Setting the start value and end value of the axis

The start value and end value for the Linear Gauge can be set using the minimum and maximum properties in the AxisDirective respectively. By default, the start value of the axis is 0 and the end value of the axis is 100.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
        <AxesDirective>
            <AxisDirective minimum={20} maximum={200}>
            </AxisDirective>
        </AxesDirective>
    </LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
    <LinearGaugeComponent id='gauge'>
        <AxesDirective>
            <AxisDirective minimum={20} maximum={200}>
            </AxisDirective>
        </AxesDirective>
    </LinearGaugeComponent>,document.getElementById('gauge'));

Line Customization

The following properties in the line can be used to customize the axis line in the Linear Gauge.

height - To set the length of the axis line.
width - To set the thickness of the axis line.
color - To set the color of the axis line.
offset - To render the axis line with the specified distance from the Linear Gauge.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective line={{ height: 150, width: 2, color: '#4286f4', offset: 2 }}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective line={ { height:150, width:2, color:'#4286f4', offset:2 } }>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

Ticks Customization

Ticks are used to specify the interval in the axis. Ticks are of two types, major ticks and minor ticks. The following properties in the majorTicks and minorTicks can be used to customize the major ticks and minor ticks respectively.

height - To set the length of the major and minor ticks in pixel values.
color - To set the color of the major and minor ticks of the Linear Gauge.
width - To set the thickness of the major and minor ticks in pixel values.
interval - To set the interval for the major ticks and minor ticks in the Linear Gauge.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective minimum={20} maximum={140} majorTicks={{ interval: 20 }} minorTicks={{ interval: 5, color: 'red' }}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective minimum={20} maximum={140} majorTicks={ { interval:20 } } minorTicks={ { interval:5, color:'red' } } >
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

Positioning the ticks

The minor and major ticks can be positioned by using the offset and position properties. The offset is used to render the ticks with the specified distance from the axis. By default, the offset value is 0. The possible values of the position property are Inside, Outside, Cross, and Auto. By default, the ticks will be placed inside the axis.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective majorTicks={{ interval: 20, position: "Outside", color: "green" }} minorTicks={{ interval: 5, position: "Cross", color: "red" }}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective majorTicks={ { interval:20, position: "Outside", color: "green" } } minorTicks={ { interval:5, position: "Cross", color: "red"  } } >
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

Labels Customization

The style of the labels can be customized using the following properties in the font property in labelStyle.

color - To set the color of the axis label.
fontFamily - To set the font family of the axis label.
fontStyle - To set the font style of the axis label.
fontWeight - To set the font weight of the axis label.
opacity - To set the opacity of the axis label.
size - To set the size of the axis label.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective labelStyle={{ font: { color: 'red' } }}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective labelStyle={ { font:{color:'red' } } }>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

Positioning the axis label

Labels can be positioned by using offset and position properties in the labelStyle. The offset defines the distance between the labels and ticks. By default, the offset value is 0. The possible values of the position property are Inside, Outside, Cross, and Auto. By default, labels will be placed inside the axis.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective labelStyle={{ position: "Cross" }}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective labelStyle={ { position: "Cross" } }>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

Customizing the display of the last label

If the last label is not in the visible range, it will be hidden by default. The last label can be made visible by setting the showLastLabel property as true in the AxisDirective.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective minimum={20} maximum={170} showLastLabel={true} majorTicks={{ interval: 20 }} minorTicks={{ interval: 5 }}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective minimum={20} maximum={170} showLastLabel={true} majorTicks={ { interval:20 } } minorTicks={ { interval:5 } }>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

Label Format

Axis labels in the Linear Gauge control can be formatted using the format property in the labelStyle. It is used to render the axis labels in a certain format or to add a user-defined unit in the label. It works with the help of placeholder like {value}°C, where value represents the axis value. For example, 20°C.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective labelStyle={{ format: "{value}°C" }}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective labelStyle={ { format: "{value}°C" } }>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

Displaying numeric format in labels

The numeric formats such as currency, percentage, and so on can be displayed in the labels of the Linear Gauge using the format property in the LinearGaugeComponent. The following table describes the result of applying some commonly used label formats on numeric values.

Label Value	Label Format property value	Result	Description
1000	n1	1000.0	The number is rounded to 1 decimal place.
1000	n2	1000.00	The number is rounded to 2 decimal place.
1000	n3	1000.000	The number is rounded to 3 decimal place.
0.01	p1	1.0%	The number is converted to percentage with 1 decimal place.
0.01	p2	1.00%	The number is converted to percentage with 2 decimal place.
0.01	p3	1.000%	The number is converted to percentage with 3 decimal place.
1000	c1	* ,000.0	The currency symbol is appended to number and number is rounded to 1 decimal place.
1000	c2	* ,000.00	The currency symbol is appended to number and number is rounded to 2 decimal place.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge' format='c'>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
 <LinearGaugeComponent id='gauge' format='c'>
</LinearGaugeComponent>,document.getElementById('gauge'));

Orientation

By default, the Linear Gauge is rendered vertically. To change its orientation, the orientation property must be set to Horizontal.

% tab template=“linear-gauge/axis”, compileJsx=true, sourceFiles=“app/*/.tsx” %}

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge' orientation='Horizontal'>
    <AxesDirective>
        <AxisDirective minimum={20} maximum={140}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

{% endtab %}

Inverted Axis

The axis of the Linear Gauge component can be inversed by setting the isInversed property to true in the AxisDirective.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective isInversed={true}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective isInversed={true}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

Opposed Axis

To place an axis opposite from its original position, opposedPosition property in the AxisDirective must be set as true.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective opposedPosition={true}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective opposedPosition={true}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

Multiple Axes

Multiple axes can be added to the Linear Gauge by adding multiple AxisDirective in the AxesDirective and customization can be done with the AxisDirective. Each axis can be customized separately as shown in the following example.

Source

Preview

index.jsx

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';
ReactDOM.render(<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective labelStyle={{ format: '{value}°C' }}>
        </AxisDirective>
        <AxisDirective opposedPosition={true} labelStyle={{ format: '{value}°F' }}>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>, document.getElementById('gauge'));

import * as React from "react";
import * as ReactDOM from "react-dom";
import { LinearGaugeComponent, AxesDirective, AxisDirective } from '@syncfusion/ej2-react-lineargauge';

ReactDOM.render(
<LinearGaugeComponent id='gauge'>
    <AxesDirective>
        <AxisDirective labelStyle={ { format:'{value}°C' } }>
        </AxisDirective>
        <AxisDirective opposedPosition={true} labelStyle={ { format:'{value}°F' } }>
        </AxisDirective>
    </AxesDirective>
</LinearGaugeComponent>,document.getElementById('gauge'));

Contents

Setting the start value and end value of the axis
Line Customization
Ticks Customization
Positioning the ticks
Labels Customization
Positioning the axis label
Customizing the display of the last label
Label Format
Displaying numeric format in labels
Orientation
Inverted Axis
Opposed Axis
Multiple Axes

Contents

Setting the start value and end value of the axis
Line Customization
Ticks Customization
Positioning the ticks
Labels Customization
Positioning the axis label
Customizing the display of the last label
Label Format
Displaying numeric format in labels
Orientation
Inverted Axis
Opposed Axis
Multiple Axes

Please provide additional information

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