---
title: thicknessRequiredInRuler
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nsrulermarker/thicknessrequiredinruler
---

# thicknessRequiredInRuler

The amount of the receiver’s image that’s displayed above or to the left of the ruler view’s baseline.

## Declaration

```swift
var thicknessRequiredInRuler: CGFloat { get }
```

## Discussion

Discussion The amount of the receiver’s image that’s displayed above or to the left of the ruler view’s baseline, the height for a horizontal ruler or width for a vertical ruler.

## See Also

### Setting the image

- [image](appkit/nsrulermarker/image.md)
- [imageOrigin](appkit/nsrulermarker/imageorigin.md)
- [imageRectInRuler](appkit/nsrulermarker/imagerectinruler.md)