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# VNGeometryUtils

Utility methods to determine the geometries of various Vision types.

```
class VNGeometryUtils
```

## Topics

### Calculating Bounding Circles

[`boundingCircle(for:)`](/documentation/Vision/VNGeometryUtils/boundingCircle(for:)-423ll)

Calculates a bounding circle for the specified contour object.

[`boundingCircle(for:)`](/documentation/Vision/VNGeometryUtils/boundingCircle(for:)-9dggv)

Calculates a bounding circle for the specified array of points.

[`boundingCircle(forSIMDPoints:pointCount:)`](/documentation/Vision/VNGeometryUtils/boundingCircle(forSIMDPoints:pointCount:))

Calculates a bounding circle for the specified points.

### Calculating Area and Perimeter

[`calculateArea(_:for:orientedArea:)`](/documentation/Vision/VNGeometryUtils/calculateArea(_:for:orientedArea:))

Calculates the area for the specified contour.

[`calculatePerimeter(_:for:)`](/documentation/Vision/VNGeometryUtils/calculatePerimeter(_:for:))

Calculates the perimeter of a closed contour.


---

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