---
title: CVImageChromaField.SampleLocation.left
framework: corevideo
role: symbol
role_heading: Case
path: corevideo/cvimagechromafield/samplelocation/left
---

# CVImageChromaField.SampleLocation.left

Chroma sample is horizontally co-sited with the left column of luma samples, but centered vertically.

## Declaration

```swift
case left
```