---
title: quadratureTolerance
framework: vision
role: symbol
role_heading: Instance Property
path: vision/vndetectrectanglesrequest/quadraturetolerance
---

# quadratureTolerance

A float specifying the number of degrees a rectangle corner angle can deviate from 90°.

## Declaration

```swift
var quadratureTolerance: VNDegrees { get set }
```

## Discussion

Discussion The tolerance value should range from 0 to 45, inclusive. The default tolerance is 30.

## See Also

### Configuring Detection

- [minimumAspectRatio](vision/vndetectrectanglesrequest/minimumaspectratio.md)
- [maximumAspectRatio](vision/vndetectrectanglesrequest/maximumaspectratio.md)
- [VNAspectRatio](vision/vnaspectratio.md)
- [VNDegrees](vision/vndegrees.md)
- [minimumSize](vision/vndetectrectanglesrequest/minimumsize.md)
- [minimumConfidence](vision/vndetectrectanglesrequest/minimumconfidence.md)
- [VNConfidence](vision/vnconfidence.md)
- [maximumObservations](vision/vndetectrectanglesrequest/maximumobservations.md)