| Value | Description | Progression |
| iewLinear | Linear progression of gradient from start to end | 0-9-18-27-36-45-55-64-73-82-91-100 |
| iewStartAndEnd | Ease In/Out progression of gradient, i.e. weighted towards the start and end | 0-0-0-9-23-41-59-77-91-100-100-100 |
| iewStart | Gradient that lingers at the start, i.e. weighted towards initial values | 0-0-0-0-9-18-27-41-55-68-82-100 |
| iewEnd | Gradient that lingers at the end, i.e. weighted towards the ending values | 0-18-32-45-59-73-82-91-100-100-100-100 |
| iewMiddle | Gradient that lingers at the center, i.e. center-weighted | 0-14-27-36-45-45-55-55-64-73-86-100 |
