matei jordache
d4c5cf4670
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29 lines
926 B
Markdown
29 lines
926 B
Markdown
# Sphere Revolve
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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.
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## Inputs
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| Name | Type | Required | Description |
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|------|------|----------|-------------|
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| field | DATA_FIELD | Yes | Input field |
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## Outputs
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| Name | Type | Description |
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|------|------|-------------|
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| leveled | DATA_FIELD | Field with spherical background subtracted |
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| background | DATA_FIELD | The estimated spherical background |
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## Controls
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| Name | Type | Default | Description |
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|------|------|---------|-------------|
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| radius | INT | 20 | Sphere radius in pixels (1–500) |
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## Notes
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- Works like Arc Revolve but in two dimensions — suitable for bowl-shaped or dome-shaped backgrounds.
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- Larger radii produce smoother backgrounds. Very small radii will track individual features.
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- Deep outliers are suppressed before fitting.
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