AlgoTradeSoft

getCalculatedLength (SDK Trading)

getCalculatedLength is a Fintechee API to get the length of the custom indicator's data that have been calculated.

getCalculatedLength(context) ⇒ number

Indicator SDK This function gets the length of data calculated.

Kind: global function
Returns: number - the length of data calculated.

Param Type Description
context object the name should be the same with the name of parameter of indicatorFunction

getCalculatedLength (SDK Trading)

registerIndicator("name", "desciption", function (context) {
    var dataInput = getDataInput(context, 0)
    var dataOutput = getDataOutput(context, "output")
    var shift = getIndiParameter(context, "shift")

    var calculatedLength = getCalculatedLength(context)
    var i = calculatedLength

    if (i == 0) {
        dataOutput[0] = 0
        i++
    } else {
        i--
    }

    while (i < dataInput.length) {
        dataOutput[i] = Math.random()
        i++
    }

    if (shift != null && calculatedLength == 0) {
        setIndiShift(context, "output", shift)
    }
},[{
    name: "shift",
    value: 5,
    required: true,
    type: "Integer",
    range: [-10,10]
}],
[{
    name: DATA_NAME.CLOSE,
    index: 0
}],
[{
    name: "output",
    visible: true,
    renderType: RENDER_TYPE.HISTOGRAM,
    color: "steelblue"
}],
WHERE_TO_RENDER.SEPARATE_WINDOW)