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JavaScript/jQuery Chart - StackedLineSeries

Describes settings supported by a series of the stacked line type.

Type:

Object

All the settings in this section are specified as follows:

  • The commonSeriesSettings object
    Specifies settings for all series in a Chart.

  • The commonSeriesSettings.stackedline object
    Specifies settings for all series of the stackedline type.

  • An object in the series array
    Specifies settings for an individual series.

View Demo

DevExtreme HTML5 Charts StackedLineSeriesType

aggregation

Configures data aggregation for the series.

Type:

Object

If the Chart contains many series points, displaying all of them may lower its performance. In this case, it is better to aggregate the series points, or replace a group of them with a single point. The group includes only those points that fall within the same interval on the argument axis. See aggregationInterval and aggregationGroupWidth for details on dividing the axis into intervals.

The Chart provides several aggregation methods, which differ depending on the series type, and a capability to implement a custom aggregate function. To enable data aggregation for the series, set the aggregation.enabled option to true.

See Also

argumentField

Specifies which data source field provides arguments for series points.

Type:

String

Default Value: 'arg'
Cannot be used in themes.

In the Cartesian coordinate system, each point is characterized by a pair of coordinates (X, Y). In the Chart widget, X's are provided by the argumentField; Y's are provided by the valueField.

NOTE
Certain series types have more than one value field, or require additional data fields to be set. Refer to the valueField option description for details.

Commonly, a chart contains several series, and many of them have the same argument field. In this case, assign the name of this field to the argumentField property of the commonSeriesSettings object. If a series must have a unique argument field, specify the same property, but do so in the series object within the series array.

axis

Binds the series to a value axis.

Type:

String

Default Value: undefined

When there are multiple value axes in a chart, series need to know exactly which axis they are bound to. By default, all of them are bound to the first axis in the valueAxis array. To bind a series to another axis, assign the name of the axis to the axis series property.

View Demo

color

Specifies the color of the series.

Type:

String

Default Value: undefined

This option supports the following colors:

Specified in the commonSeriesSettings object, this option colors all series in the chart. To color an individual series, specify this option in the series object within the series array.

dashStyle

Specifies the dash style of the series line. Applies only to line-like series.

Type:

String

Default Value: 'solid'
Accepted Values: 'dash' | 'dot' | 'longDash' | 'solid'

The following dash styles are available:

  • solid
    The border is a solid, continuous line.

  • longDash
    The border is displayed using long dashes.

  • dash
    The border is displayed using dashes.

  • dot
    The border is displayed using dots.

  • Any combination of 'longDash', 'dash' and 'dot'
    The border is displayed by repeating the specified combination. For instance, 'dashdotdash'.

Use the DashStyle enum to specify this option when the widget is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: Solid, LongDash, Dash, and Dot.

hoverMode

Specifies series elements to be highlighted when a user points to a series.

Type:

String

Default Value: 'nearestPoint'
Accepted Values: 'nearestPoint' | 'includePoints' | 'excludePoints' | 'none'

When a user points to a series, it may react in one of the following ways depending on the value of the hoverMode option.

hoverMode Result
"nearestPoint"
"includePoints"
"excludePoints"
"none"

Use the ChartSeriesHoverMode enum to specify this option when the widget is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: NearestPoint, IncludePoints, ExcludePoints, and None. Note that although this enum accepts more values, only the listed ones can be applied to a stacked line series.

See Also
  • hoverStyle - specifies the appearance of series in the hover state.
  • point.hoverMode - specifies the hover mode of series points.

hoverStyle

Configures the appearance adopted by the series when a user points to it.

Type:

Object

Declared in commonSeriesSettings, hoverStyle applies to all series in the chart. Declared in a series configuration object, hoverStyle applies to this particular series only. The series-specific hoverStyle overrides the common one.

ignoreEmptyPoints

Specifies whether the series should ignore null data points.

Type:

Boolean

Default Value: false

Data points that have the null value do not produce actual series points. Because of this, series may be drawn with unnecessary gaps where missing points should have been. To remove these gaps, set the ignoreEmptyPoints option to true.

label

Configures point labels.

Type:

Object

Declared in commonSeriesSettings, the label settings apply to all point labels in the chart. Declared in a series configuration object, the label settings apply only to the point labels that belong to this particular series. The series-specific label settings override the common ones.

jQuery
JavaScript
$(function() {
    $("#chartContainer").dxChart({
        // ...
        series: [{
            label: {
                // Settings for all point labels of an individual series
            }
        }, {
            // ...  
        }],
        commonSeriesSettings: {
            label: {
                // Settings for all point labels in the Chart
            }
        }
    });
});
Angular
app.component.html
app.component.ts
app.module.ts
<dx-chart ... >
    <dxi-series>
        <dxo-label ... >
            <!-- Settings for all point labels of an individual series -->
        </dxo-label>
    </dxi-series>
    <dxo-common-series-settings ... >
        <dxo-label ... >
            <!-- Settings for all point labels in the Chart -->
        </dxo-label>
    </dxo-common-series-settings>
</dx-chart>
import { Component } from '@angular/core';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.css']
})
export class AppComponent {
    // ...
}
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';

import { DxChartModule } from 'devextreme-angular';

@NgModule({
    declarations: [
        AppComponent
    ],
    imports: [
        BrowserModule,
        DxChartModule
    ],
    providers: [ ],
    bootstrap: [AppComponent]
})
export class AppModule { }
Vue
App.vue
<template>
    <DxChart ... >
        <DxSeries ... >
            <DxLabel ...>
                <!-- Settings for all point labels of an individual series -->
            </DxLabel>
        </DxSeries>
        <DxCommonSeriesSettings ... >
            <DxLabel ... >
                <!-- Settings for all point labels in the Chart -->
            </DxLabel>
        </DxCommonSeriesSettings>
    </DxChart>
</template>

<script>
import DxChart, {
    DxSeries,
    DxLabel,
    DxCommonSeriesSettings
} from 'devextreme-vue/chart';

export default {
    components: {
        DxChart,
        DxSeries,
        DxLabel,
        DxCommonSeriesSettings
    },
    // ...
}
</script>
React
App.js
import React from 'react';

import Chart, {
    Series,
    Label,
    CommonSeriesSettings
} from 'devextreme-react/chart';

class App extends React.Component {
    render() {
        return (
            <Chart ... >
                <Series ... >
                    <Label ... >
                        // Settings for all point labels of an individual series
                    </Label>
                </Series>
                <CommonSeriesSettings ... >
                    <Label ... >
                        // Settings for all point labels in the Chart
                    </Label>
                </CommonSeriesSettings>
            </Chart>
        );
    }
}
export default App;

View Demo

See Also

maxLabelCount

Specifies a limit for the number of point labels.

Type:

Number

Default Value: undefined

If the number of points in a series increases over time, there comes a time when it becomes so massive that displaying labels for them makes the chart too cluttered. In this instance, to keep the chart clear to the viewer, specify a limit for the number of point labels using the maxLabelCount option. Once this limit is exceeded, all point labels of the series will be hidden.

pane

Specifies which pane the series should belong to. Accepts the name of the pane.

Type:

String

Default Value: 'default'

If this option is not specified, the series will belong to the default pane.

See Also
  • panes - declares a collection of panes.

View Demo

point

Configures series points in scatter, line- and area-like series.

Type:

Object

Declared in commonSeriesSettings, the point settings apply to all points in the chart. Declared in a series configuration object, the point settings apply only to the points that belong to this particular series. The series-specific point settings override the common ones.

See Also
  • customizePoint - сustomizes the appearance of an individual series point.

selectionMode

Specifies series elements to be highlighted when a user selects a series.

Type:

String

Default Value: 'includePoints'
Accepted Values: 'includePoints' | 'excludePoints' | 'none'

NOTE
Though not provided out of the box, the selection capability can be implemented using the widget API. Refer to the onSeriesClick option description for details.

When a user selects a series, it may react in one of the following ways depending on the value of the selectionMode option.

selectionMode Result
"includePoints"
"excludePoints"
"none"

Use the ChartSeriesSelectionMode enum to specify this option when the widget is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: IncludePoints, ExcludePoints, and None. Note that although this enum accepts more values, only the listed ones can be applied to a stacked line series.

See Also
  • seriesSelectionMode - specifies whether only one or several series can stay selected.
  • series.selectionStyle - specifies the appearance of a series in the selected state.
  • series.point.selectionMode - specifies the selection mode of series points.
  • seriesSelectionChanged - an event that fires after the selection state of a series has been changed.

selectionStyle

Configures the appearance adopted by the series when a user selects it.

Type:

Object

NOTE
Though not provided out of the box, the selection capability can be implemented using the widget API. Refer to the onPointClick option description for details.

Declared in commonSeriesSettings, selectionStyle applies to all series in the chart. Declared in a series configuration object, selectionStyle applies to this particular series only. The series-specific selectionStyle overrides the common one.

showInLegend

Specifies whether to show the series in the legend or not.

Type:

Boolean

Default Value: true

tagField

Specifies which data source field provides auxiliary data for series points.

Type:

String

Default Value: 'tag'
Cannot be used in themes.

This option allows you to associate virtually any required data with a series point. This data will be stored in the tag field of the Point object.

Commonly, a chart contains several series, and many of them have the same tagField value. In this case, specify the tagField property in the commonSeriesSettings object. If a series must have a unique tagField value, specify the same property, but do so in the series object within the series array.

See Also
  • series.tag - associates data with an entire series.

valueField

Specifies which data source field provides values for series points.

Type:

String

Default Value: 'val'
Cannot be used in themes.

In the Cartesian coordinate system, each point is characterized by a pair of coordinates (X, Y). In a common case, X's are provided by the argumentField; Y's are provided by the valueField.

Certain series types require more than one value field, because their points are characterized by a larger number of coordinates. These series types are:

  • Range-like series types
    Range bar and range area require two value fields: rangeValue1Field and rangeValue2Field.
  • Financial series types
    Stock and candlestick require four value fields: openValueField, closeValueField, highValueField and lowValueField.

If you use a series template, specify the value field properties in the commonSeriesSettings object. Otherwise, do this in the series object within the series array.

visible

Specifies whether the series is visible or not.

Type:

Boolean

Default Value: true

NOTE
When the series is invisible, the marker of its legend item is faded.
See Also
  • Series.show() - shows the series at runtime.
  • Series.hide() - hides the series at runtime.

width

Specifies the width of the series line in pixels. Applies only to line-like series.

Type:

Number

Default Value: 2