matei jordache
d4c5cf4670
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926 B
926 B
Sphere Revolve
Subtract a spherical cap background. A sphere of the given radius is rolled under the surface, and the envelope it traces is subtracted as the background.
Inputs
| Name | Type | Required | Description |
|---|---|---|---|
| field | DATA_FIELD | Yes | Input field |
Outputs
| Name | Type | Description |
|---|---|---|
| leveled | DATA_FIELD | Field with spherical background subtracted |
| background | DATA_FIELD | The estimated spherical background |
Controls
| Name | Type | Default | Description |
|---|---|---|---|
| radius | INT | 20 | Sphere radius in pixels (1–500) |
Notes
- Works like Arc Revolve but in two dimensions — suitable for bowl-shaped or dome-shaped backgrounds.
- Larger radii produce smoother backgrounds. Very small radii will track individual features.
- Deep outliers are suppressed before fitting.