Calculates the arc tangent of a value; the returned angle is in the range -π/2 through π/2.
Function Traits: FieldComputationFunction
Parameter | Type | Required | Default | Description |
---|---|---|---|---|
as | string | optional | _arctan | The name of the output field. |
field [a] | string | required | The name of the input field. | |
The parameter name for field
can be omitted; the following forms are equivalent:
logscale
math:arctan("value")
and:
logscale
math:arctan(field="value")