atan

atan

Inverse tangent

Result = atan(expression)
expression
spatial, non spatial scalar
Result
dimension of expression directional

Options

if expression is a number: --degrees or --radians

--degrees
direction is given in degrees (default)
--radians
direction is given in radians

Operation

For each cell, calculates the inverse tangent of the cell value on expression and assigns it to Result.

Notes

A cell with missing value on expression is assigned a missing value on Result.

Group

This operation belongs to the group of Arithmetic operators

Examples

  1. • pcrcalc
    binding
    Result = Result.map;
    Expr = Expr.map;
    initial
    report Result = atan(Expr);

    • python
    Expr = readmap(“Expr.map”)
    Result = atan(Expr)
    Result.map Expr.map
    _images/atan_Result.png _images/atan_Expr.png

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