---
title: contourCount
framework: vision
role: symbol
role_heading: Instance Property
path: vision/vncontoursobservation/contourcount
---

# contourCount

The total number of detected contours.

## Declaration

```swift
var contourCount: Int { get }
```

## Discussion

Discussion Use this value to determine the number of indices available for calling contour(at:).

## See Also

### Inspecting the Observation

- [normalizedPath](vision/vncontoursobservation/normalizedpath.md)
- [topLevelContours](vision/vncontoursobservation/toplevelcontours.md)
- [topLevelContourCount](vision/vncontoursobservation/toplevelcontourcount.md)
- [contour(at:)](vision/vncontoursobservation/contour(at:)-9on0y.md)
- [contour(at:)](vision/vncontoursobservation/contour(at:)-52odo.md)
- [VNContour](vision/vncontour.md)