---
title: calculationMode
framework: scenekit
role: symbol
role_heading: Instance Property
path: scenekit/scnmorpher/calculationmode
---

# calculationMode

The interpolation formula for blending between target geometries.

## Declaration

```swift
var calculationMode: SCNMorpherCalculationMode { get set }
```

## Discussion

Discussion The default value of this property is SCNMorpherCalculationMode.normalized. See SCNMorpherCalculationMode for allowed values.