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add keywords for all nodes

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matei jordache
2026-04-04 14:58:56 -07:00
parent 69f1d1bebd
commit a0d3b22f18
195 changed files with 437 additions and 198 deletions
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docs/nodes/Polynomial Distortion.md
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@@ -18,16 +18,16 @@ Correct nonlinear scanner distortions by applying polynomial coordinate warping
| Name | Type | Default | Description |
|------|------|---------|-------------|
| k1_x | FLOAT | 0.0 | Linear distortion coefficient for the x axis (-1.0–1.0) |
| k2_x | FLOAT | 0.0 | Quadratic distortion coefficient for the x axis (-1.0–1.0) |
| k3_x | FLOAT | 0.0 | Cubic distortion coefficient for the x axis (-1.0–1.0) |
| k1_y | FLOAT | 0.0 | Linear distortion coefficient for the y axis (-1.0–1.0) |
| k2_y | FLOAT | 0.0 | Quadratic distortion coefficient for the y axis (-1.0–1.0) |
| k3_y | FLOAT | 0.0 | Cubic distortion coefficient for the y axis (-1.0–1.0) |
| k1_x | FLOAT | 0.0 | Linear distortion coefficient for the x axis (-1.0-1.0) |
| k2_x | FLOAT | 0.0 | Quadratic distortion coefficient for the x axis (-1.0-1.0) |
| k3_x | FLOAT | 0.0 | Cubic distortion coefficient for the x axis (-1.0-1.0) |
| k1_y | FLOAT | 0.0 | Linear distortion coefficient for the y axis (-1.0-1.0) |
| k2_y | FLOAT | 0.0 | Quadratic distortion coefficient for the y axis (-1.0-1.0) |
| k3_y | FLOAT | 0.0 | Cubic distortion coefficient for the y axis (-1.0-1.0) |
## Notes
- k1 controls linear stretching/compression, k2 controls barrel/pincushion-like quadratic distortion, and k3 controls cubic (S-shaped) distortion.
- Coefficients for x and y are independent, allowing correction of anisotropic scanner nonlinearities.
- Small values (0.01–0.1) are typical for real scanner corrections; large values produce extreme warping.
- Small values (0.01-0.1) are typical for real scanner corrections; large values produce extreme warping.
- Set all coefficients to 0.0 to pass the field through unchanged.