Calculates the natural logarithm (base e) of the value in a double field.
Function Traits: FieldComputationFunction
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
as | string | optional | _log | 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:log("value")and:
logscale
math:log(field="value")