---
title: outputPixelFormat
framework: vision
role: symbol
role_heading: Instance Property
path: vision/vntrackopticalflowrequest/outputpixelformat
---

# outputPixelFormat

The pixel format type of the output value.

## Declaration

```swift
var outputPixelFormat: OSType { get set }
```

## Discussion

Discussion The valid values are kCVPixelFormatType_TwoComponent32Float and kCVPixelFormatType_TwoComponent16Half. The default value is kCVPixelFormatType_TwoComponent32Float.

## See Also

### Configuring the Request

- [computationAccuracy](vision/vntrackopticalflowrequest/computationaccuracy-swift.property.md)
- [VNTrackOpticalFlowRequest.ComputationAccuracy](vision/vntrackopticalflowrequest/computationaccuracy-swift.enum.md)
- [keepNetworkOutput](vision/vntrackopticalflowrequest/keepnetworkoutput.md)