matei jordache
d4c5cf4670
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1.0 KiB
1.0 KiB
Unrotate
Auto-detect and correct in-plane scan rotation. Computes a slope angle histogram, finds the dominant feature direction for the given symmetry, and rotates the image to align features with the axes.
Inputs
| Name | Type | Required | Description |
|---|---|---|---|
| field | DATA_FIELD | Yes | Input field to correct |
Outputs
| Name | Type | Description |
|---|---|---|
| leveled | DATA_FIELD | Field with rotation corrected |
Controls
| Name | Type | Default | Description |
|---|---|---|---|
| symmetry | dropdown | 4-fold | Expected symmetry of the surface features: 2-fold, 3-fold, 4-fold, or 6-fold |
Notes
- Best suited for crystalline or patterned surfaces where features have a clear preferred direction.
- 4-fold symmetry is the most common choice for cubic crystal surfaces and rectangular gratings.
- If the detected rotation is less than 0.01°, the data is returned unchanged.
- Uses bilinear interpolation; edges are handled with nearest-neighbor extension.