---
title: rectilinear
framework: coremedia
role: symbol
role_heading: Type Property
path: coremedia/cmformatdescription/extensions-swift.struct/value/projectionkind/rectilinear
---

# rectilinear

Indicates rectilinear projection. Generally less than 90 degree field of view with no barrel distortion.

## Declaration

```swift
static let rectilinear: CMFormatDescription.Extensions.Value.ProjectionKind
```