---
title: sampleOrdering
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/photogrammetrysession/configuration-swift.struct/sampleordering-swift.property
---

# sampleOrdering

The order of the image samples.

## Declaration

```swift
var sampleOrdering: PhotogrammetrySession.Configuration.SampleOrdering
```

## Discussion

Discussion By default, RealityKit assumes that image samples aren’t in any particular order. If you’re providing the images in order, with adjacent images next to each other, specifying PhotogrammetrySession.Configuration.SampleOrdering.sequential for this value may result in better performance. This setting has no impact on the quality of the produced object.

## See Also

### Configuring sample ordering

- [PhotogrammetrySession.Configuration.SampleOrdering](realitykit/photogrammetrysession/configuration-swift.struct/sampleordering-swift.enum.md)