Calculates the arc tangent of a value; the returned angle is in the range -π/2 through π/2.
Hide omitted argument names for this function
Omitted Argument NamesThe argument name for
field
can be omitted; the following forms of this function are equivalent:logscale Syntaxmath:arctan("value")
and:
logscale Syntaxmath:arctan(field="value")
These examples show basic structure only.