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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/Facet Analysis.md
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@@ -18,12 +18,12 @@ Compute the facet orientation distribution of a surface. Outputs a 2D histogram
| Name | Type | Default | Description |
|------|------|---------|-------------|
| n_bins | INT | 180 | Number of azimuthal bins; theta bins = n_bins/4 (30–720) |
| kernel_size | INT | 3 | Sobel gradient kernel size in pixels (3–9, odd) |
| n_bins | INT | 180 | Number of azimuthal bins; theta bins = n_bins/4 (30-720) |
| kernel_size | INT | 3 | Sobel gradient kernel size in pixels (3-9, odd) |
## Notes
- The output is a normalised probability density — it sums to 1.0.
- X-axis: azimuthal angle phi (0–360°). Y-axis: inclination theta (0° = flat, max = steepest facet).
- X-axis: azimuthal angle phi (0-360°). Y-axis: inclination theta (0° = flat, max = steepest facet).
- A flat surface produces a single bright spot near theta=0. A surface with distinct facets shows multiple peaks.
- Larger kernel_size smooths the gradient estimate, reducing noise sensitivity.