---
title: v
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/vimage_perpsectivetransform/v
---

# v

The homogeneous scale factor.

## Declaration

```swift
var v: Float
```

## See Also

### Inspecting a projective-transformation structure’s properties

- [a](accelerate/vimage_perpsectivetransform/a.md)
- [b](accelerate/vimage_perpsectivetransform/b.md)
- [c](accelerate/vimage_perpsectivetransform/c.md)
- [d](accelerate/vimage_perpsectivetransform/d.md)
- [tx](accelerate/vimage_perpsectivetransform/tx.md)
- [ty](accelerate/vimage_perpsectivetransform/ty.md)
- [vx](accelerate/vimage_perpsectivetransform/vx.md)
- [vy](accelerate/vimage_perpsectivetransform/vy.md)