---
title: CVImageFieldDetail.spatialFirstLineLate
framework: corevideo
role: symbol
role_heading: Case
path: corevideo/cvimagefielddetail/spatialfirstlinelate
---

# CVImageFieldDetail.spatialFirstLineLate

The image buffer contains interleaved fields. The first line of image data corresponds to the first bottom, even-numbered, field.

## Declaration

```swift
case spatialFirstLineLate
```