Api technicalIndicator in EJ2 TypeScript Chart control

8 May 20235 minutes to read

Defines how to represent the market trend using technical indicators

Properties

animation AnimationModel

Options to customizing animation for the series.

bandColor string

Options for customizing the BollingerBand in the indicator.

Defaults to ‘rgba(211,211,211,0.25)’

close string

The DataSource field that contains the close value of y It is applicable for series and technical indicators

Defaults to ’’

dPeriod number

Defines the period, the price changes over which will define the %D value in stochastic indicators

Defaults to 3

dashArray string

Defines the pattern of dashes and gaps to stroke the lines in Line type series.

Defaults to ‘0’

dataSource Object | DataManager

Specifies the DataSource for the series. It can be an array of JSON objects or an instance of DataManager.

<div id='Chart'></div>

let dataManager: DataManager = new DataManager({
        url: 'http://mvc.syncfusion.com/Services/Northwnd.svc/Tasks/'
});
let query: Query = new Query().take(50).where('Estimate', 'greaterThan', 0, false);
let chart: Chart = new Chart({
...
    series: [{
       dataSource: dataManager,
       xName: 'Id',
       yName: 'Estimate',
       query: query
   }],
...
});
chart.appendTo('#Chart');

Defaults to ’’

fastPeriod number

Sets the fast period to define the Macd line

Defaults to 26

field string

Defines the field to compare the current value with previous values

Defaults to ‘Close’

fill string

The fill color for the series that accepts value in hex and rgba as a valid CSS color string.
It also represents the color of the signal lines in technical indicators.
For technical indicators, the default value is ‘blue’ and for series, it has null.

Defaults to null

high string

The DataSource field that contains the high value of y
It is applicable for series and technical indicators

Defaults to ’’

kPeriod number

Defines the look back period, the price changes over which will define the %K value in stochastic indicators

Defaults to 14

low string

The DataSource field that contains the low value of y
It is applicable for series and technical indicators

Defaults to ’’

lowerLine ConnectorModel

Defines the appearance of lower line in technical indicators

macdLine ConnectorModel

Defines the appearance of the the MacdLine of Macd indicator

Defaults to { color: ‘#ff9933’, width: 2 }

macdNegativeColor string

Defines the color of the negative bars in Macd indicators

Defaults to ‘#e74c3d’

macdPositiveColor string

Defines the color of the positive bars in Macd indicators

Defaults to ‘#2ecd71’

macdType string

Defines the type of the Macd indicator.

Defaults to ‘Both’

open string

The DataSource field that contains the open value of y
It is applicable for series and technical indicators

Defaults to ’’

overBought number

Defines the over-bought(threshold) values. It is applicable for RSI and stochastic indicators

Defaults to 80

overSold number

Defines the over-sold(threshold) values. It is applicable for RSI and stochastic indicators

Defaults to 20

period number

Defines the period, the price changes over which will be considered to predict the trend

Defaults to 14

periodLine ConnectorModel

Defines the appearance of period line in technical indicators

pointColorMapping string

The DataSource field that contains the color value of point
It is applicable for series

Defaults to ’’

query Query

Specifies query to select data from DataSource. This property is applicable only when the DataSource is ej.DataManager.

Defaults to null

segmentAxis string

Defines the axis, based on which the line series will be split.

segments ChartSegmentModel[]

Defines the collection of regions that helps to differentiate a line series.

seriesName string

Defines the name of the series, the data of which has to be depicted as indicator

Defaults to ’’

showZones boolean

Enables/Disables the over-bought and over-sold regions

Defaults to true

slowPeriod number

Sets the slow period to define the Macd line

Defaults to 12

standardDeviation number

Sets the standard deviation values that helps to define the upper and lower bollinger bands

Defaults to 2

type string

Defines the type of the technical indicator

Defaults to ‘Sma’

upperLine ConnectorModel

Defines the appearance of the upper line in technical indicators

volume string

Defines the data source field that contains the volume value in candle charts
It is applicable for financial series and technical indicators

Defaults to ’’

width number

The stroke width for the series that is applicable only for Line type series.
It also represents the stroke width of the signal lines in technical indicators.

Defaults to 1

xAxisName string

The name of the horizontal axis associated with the series. It requires axes of the chart.
It is applicable for series and technical indicators

<div id='Chart'></div>

let chart: Chart = new Chart({
...
    columns: [{ width: '50%' },
              { width: '50%' }],
    axes: [{
               name: 'xAxis 1',
               columnIndex: 1,
           }],
    series: [{
               dataSource: data,
               xName: 'x', yName: 'y',
               xAxisName: 'xAxis 1',
    }],
});
chart.appendTo('#Chart');

Defaults to null

xName string

The DataSource field that contains the x value.
It is applicable for series and technical indicators

Defaults to ’’

yAxisName string

The name of the vertical axis associated with the series. It requires axes of the chart.
It is applicable for series and technical indicators

<div id='Chart'></div>

let chart: Chart = new Chart({
...
    rows: [{ height: '50%' },
           { height: '50%' }],
    axes: [{
               name: 'yAxis 1',
               rowIndex: 1,
           }],
    series: [{
               dataSource: data,
               xName: 'x', yName: 'y',
               yAxisName: 'yAxis 1'
    }],
});
chart.appendTo('#Chart');

Defaults to null