ChartDirector 6.0 (Ruby Edition)

JsChartViewer.getValueAtViewPort


Usage

getValueAtViewPort(id, vpCoor [, isLogScale ])

Description

Converts a viewport coordinate to a value of the specified data scale.

Please refer to WebChartViewer.setFullRange on how to define a data scale.

Arguments

ArgumentDefaultDescription
id(Mandatory)The name of the data scale.
vpCoor(Mandatory)The viewport coordinate.
isLogScalefalsetrue if the conversion is based on a logarithmic scale. false if the conversion is based on a non-logarithmic scale.

Return Value

The value of the specified data scale at the viewport coordinate.