Overview
Threshold a fixed grayscale relief map to replace a terrain plate with its inverse view.
Build
- 01
Generate a deterministic grayscale relief map.
- 02
Sweep a luminance threshold with a narrow soft boundary.
- 03
Apply the resulting alpha to the complete incoming frame and hold the endpoint.
Example source React / TSX
examples/luma-contour-reveal.tsx · Uses the catalog’s shared composition helpers.
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