---
title: is3DProjection()
framework: spatial
role: symbol
role_heading: Instance Method
path: spatial/projectivetransform3d/is3dprojection()
---

# is3DProjection()

Returns a Boolean value that indicates whether the transform is a 3D projection.

## Declaration

```swift
func is3DProjection() -> Bool
```

## See Also

### Checking characteristics

- [isUniform(overDimensions:)](spatial/projectivetransform3d/isuniform(overdimensions:).md)
- [isAffine](spatial/projectivetransform3d/isaffine.md)
- [isInvertible](spatial/projectivetransform3d/isinvertible.md)