# GVRHeadTransform.h File

[Classes](https://developers.google.com/vr/ios/reference/g_v_r_head_transform_8h#nested-classes) \| [Functions](https://developers.google.com/vr/ios/reference/g_v_r_head_transform_8h#func-members) GVRHeadTransform.h File Reference [GVRHeadTransform.h](https://developers.google.com/vr/ios/reference/g_v_r_head_transform_8h "GVRHeadTransform.h File. ") File.
[More...](https://developers.google.com/vr/ios/reference/g_v_r_head_transform_8h#details)

|---|---|
| ## Classes ||
| struct | [GVRFieldOfView](https://developers.google.com/vr/ios/reference/struct_g_v_r_field_of_view) |
|   | Defines a struct to hold half field of view angles, in degrees, for an `GVREye` eye. [More...](https://developers.google.com/vr/ios/reference/struct_g_v_r_field_of_view#details) |
|   ||
| class | [GVRHeadTransform](https://developers.google.com/vr/ios/reference/interface_g_v_r_head_transform) |
|   | Defines a class to represent the head transformation for a render frame. [More...](https://developers.google.com/vr/ios/reference/interface_g_v_r_head_transform#details) |
|   ||

|---|---|
| ## Functions ||
| typedef | **NS_ENUM** (NSInteger, GVREye) |
|   ||

## Detailed Description

[GVRHeadTransform.h](https://developers.google.com/vr/ios/reference/g_v_r_head_transform_8h "GVRHeadTransform.h File. ") File.