Caplin Trader 5.1.0

Class: module:ct-chart/study/Volume

module:ct-chart/study/Volume(alias, derivationParams, listener, configOverridesopt)

new module:ct-chart/study/Volume(alias, derivationParams, listener, configOverridesopt)

Constructs a new Volume.

A study that extracts the volume data from inbound series data.

This study requires no derivation options. By default it will use the `volume` field as the value for calculating the study data. If you require a different field, set a `field` property in the derivation options. See module:ct-chart/series/Fields for details.

This study is aliased by the caplin.chart-volume-study alias. To create a new instance of this study use the module:ct-chart/study/Factory.

Parameters:
Name Type Attributes Description
alias Object

The Study alias.

derivationParams Object

Study derivation options.

listener Object

A listener object that implements the module:ct-chart/study/StudyListener interface.

configOverrides Object <optional>

Configuration overrides passed to the parent class. This study overrides the representationTypes and isolate options.

Implements:

Methods

evaluate(data)

Extracts the volume data from the inbound series data.

Once completed it will invoke the module:ct-chart/study/StudyListener#onStudyData method on its listener.

The format of the calculated data is: [[timestamp, volume], ...]

Parameters:
Name Type Description
data Array

Chart series data in the Caplin Format.

Implements:
See: