<!--
{
  "availability" : [
    "iOS: 17.0.0 -",
    "iPadOS: 17.0.0 -",
    "macCatalyst: 15.0.0 -",
    "macOS: 12.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "RealityKit",
  "identifier" : "/documentation/RealityKit/PhotogrammetrySession/Configuration-swift.struct/sampleOrdering-swift.property",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Property",
  "symbol" : {
    "kind" : "Instance Property",
    "modules" : [
      "RealityKit"
    ],
    "preciseIdentifier" : "s:17RealityFoundation21PhotogrammetrySessionC13ConfigurationV14sampleOrderingAE06SampleG0Ovp"
  },
  "title" : "sampleOrdering"
}
-->

# sampleOrdering

The order of the image samples.

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

## 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`](/documentation/RealityKit/PhotogrammetrySession/Configuration-swift.struct/SampleOrdering-swift.enum/sequential)
for this value may result in better performance.

This setting has no impact on the quality of the produced object.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)