---
title: sharpness
framework: phase
role: symbol
role_heading: Instance Property
path: phase/phasecardioiddirectivitymodelsubbandparameters/sharpness
---

# sharpness

The amount that the shape overlaps with bordering subbands.

## Declaration

```swift
var sharpness: Double { get set }
```

## Discussion

Discussion This property condenses the shape of the pattern such that higher values extend the shape frontwards. Increasing sharpness for dipole (a pattern value of 1.0), extends the shape frontwards and backwards. The default value is 1.0. Values greater than 1.0 increase sharpness. The framework clamps the value to the range [1.0, greatestFiniteMagnitude].

## See Also

### Shaping Directivity

- [pattern](phase/phasecardioiddirectivitymodelsubbandparameters/pattern.md)