trait AreaOpacityTrait (View source)

Methods

areaOpacity( float $areaOpacity)

The default opacity of the colored area under a chart series

Details

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Chart areaOpacity( float $areaOpacity)

The default opacity of the colored area under a chart series

0.0 is fully transparent and 1.0 is fully opaque. To specify opacity for an individual series, set the areaOpacity value in the series property.

Parameters

float $areaOpacity

Return Value

Chart

Exceptions

InvalidConfigValue