sFractal is a solid fractal texture that returns a scalar value.
| Argument Name | Absolute Range | Useful Range | Default | Description |
| threshold | 0, 1 | 0, 1 | 0.0 | Additive threshold |
| xripples | 0, infinity | 0, 100 | 1.0 | Fundamental frequencies for noise function |
| yripples | 0, infinity | 0, 100 | 1.0 | " " " " |
| zripples | 0, infinity | 0, 100 | 1.0 | " " " " |
| level_min | 0, infinity | 0, 50 | 0.0 | Minimum allowed level of iteration |
| level_max | 0, infinity | 0, 50 | 20.0 | Maximum allowed level of iteration |
| amplitude | -infinity, infinity | 0, 1 | 1.0 | Scaling factor for noise before clipping |
| xripples | 0, infinity | 0, 100 | 1.0 | Fundamental frequencies for noise function |
| yripples | 0, infinity | 0, 100 | 1.0 | " " |
| zripples | 0, infinity | 0, 100 | 1.0 | " " |
| level_min | 0, infinity | 0, 50 | 0.0 | Minimum allowed level of iteration |
| level_max | 0, infinity | 0, 50 | 20.0 | Maximum allowed level of iteration |
| ratio | 0, 1 | 0, 1 | 0.707 | Ratio for fractal noise |
| transformation_name | no default. |
