---
title: overlap
framework: modelio
role: symbol
role_heading: Instance Property
path: modelio/mdlstereoscopiccamera/overlap
---

# overlap

The amount, as a fraction of image width, by which the images from the camera’s two viewpoints overlap.

## Declaration

```swift
var overlap: Float { get set }
```

## Discussion

Discussion Some stereoscopic rendering processes require shifting the location of each viewpoint’s rendered image in a framebuffer before display. Use this property to determine the distance to shift images by during rendering.

## See Also

### Modeling Stereoscopic Imaging

- [interPupillaryDistance](modelio/mdlstereoscopiccamera/interpupillarydistance.md)
- [leftVergence](modelio/mdlstereoscopiccamera/leftvergence.md)
- [rightVergence](modelio/mdlstereoscopiccamera/rightvergence.md)