# `GSGuideType`

*Enumeration*

The geometry of a guide.

## Declaration

```swift
enum GSGuideType
```

```objc
enum GSGuideType : uint8_t;
```

```python
GSGuideType
```

## Topics

### Enumeration Cases

- [`GSGuideType.GSGuideTypeCircle`](/Core/GlyphsCore/GSGuideType/GSGuideTypeCircle) — An elliptical guide centered on its position.
- [`GSGuideType.GSGuideTypeLine`](/Core/GlyphsCore/GSGuideType/GSGuideTypeLine) — A straight guide.
- [`GSGuideType.GSGuideTypeRect`](/Core/GlyphsCore/GSGuideType/GSGuideTypeRect) — A rectangular guide centered on its position.

## See Also

### Legacy API

- [`GSGuide.type`](/Core/GlyphsCore/GSGuide/type) — The type of the guide.
- [`GSGuide.length`](/Core/GlyphsCore/GSGuide/length) — The length of the guide.
- [`GSGuide.size`](/Core/GlyphsCore/GSGuide/size) — The size of the guide.