### 15.5.1. area

The `area` function is used to calculate the area of a 2D locator.

    area[_<Axis>[_<Coord Frame>] ]()@<Location>

where:

- `<Axis>` is x, y, or z

- `<Coord Frame>` is the coordinate frame

- `<Location>` is any 2D region (such as a boundary or interface).

An error is raised if the location specified is not a 2D object. If an axis is not specified, the total area of the location is calculated.

`area()@Isosurface1` calculates the total area of the location, and `Isosurface1.area_y()@Isosurface1` calculates the projected area of `Isosurface1` onto a plane normal to the Y axis.

#### 15.5.1.1. Tools > Command Editor Example

    >calculate area, <Location>, [<Axis>]

The specification of an axis is optional. If an axis is not specified, the value held in the object will be used. To calculate the total area of the location, the axis specification should be left blank (that is, type a comma after the location specification).

`>calculate area, myplane` calculates the area of the locator `myplane` projected onto a plane normal to the axis specification in the `CALCULATOR` object.

`>calculate area, myplane,` calculates the area of the locator `myplane`. Note that adding the comma after `myplane` removes the axis specification.

#### 15.5.1.2. Tools > Function Calculator Example

The following example will calculate the total area of the locator `Plane1`:

Function: area, Location: `Plane1`.

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