---
title: InterpolationMethod
framework: charts
role: symbol
role_heading: Structure
path: charts/interpolationmethod
---

# InterpolationMethod

The ways in which line or area marks interpolate their data.

## Declaration

```swift
@frozen struct InterpolationMethod
```

## Topics

### Type Properties

- [cardinal](charts/interpolationmethod/cardinal.md)
- [catmullRom](charts/interpolationmethod/catmullrom.md)
- [linear](charts/interpolationmethod/linear.md)
- [monotone](charts/interpolationmethod/monotone.md)
- [stepCenter](charts/interpolationmethod/stepcenter.md)
- [stepEnd](charts/interpolationmethod/stepend.md)
- [stepStart](charts/interpolationmethod/stepstart.md)

### Type Methods

- [cardinal(tension:)](charts/interpolationmethod/cardinal(tension:).md)
- [catmullRom(alpha:)](charts/interpolationmethod/catmullrom(alpha:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Copyable](swift/copyable.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Escapable](swift/escapable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Mark configuration

- [MarkStackingMethod](charts/markstackingmethod.md)
- [MarkDimension](charts/markdimension.md)
- [BasicChartSymbolShape](charts/basicchartsymbolshape.md)
- [ChartSymbolShape](charts/chartsymbolshape.md)
- [AnyChartSymbolShape](charts/anychartsymbolshape.md)