more quality of life updates
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@@ -20,7 +20,7 @@ Compute the spatial gradient using a Sobel operator. Outputs the gradient magnit
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| component | dropdown | magnitude | Output component: magnitude (√(gx²+gy²)), x (horizontal gradient), y (vertical gradient), or azimuth (angle in degrees) |
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## Limitations
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## Notes
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- Gradient components are in units of z_unit/xy_unit; azimuth is in degrees.
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- Sobel operator uses a 3×3 kernel; sub-pixel features smaller than one pixel cannot be resolved.
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