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N-05 Luminosity Masking

JHPixelProLuminosityMasking creates Photoshop-style luminosity masks with a soft partition across shadows, midtones, and highlights. It is a color-grade and dodge/burn helper for tonal selections.

Schema

Name Kind Type / default Description
image Input IMAGE Source image.
luminance_source Widget COMBO, default lab_l Uses lab_l, ycbcr_y, or hsv_v as luminance basis.
shadow_end Widget FLOAT, default 0.33 Upper edge of the shadow band.
highlight_start Widget FLOAT, default 0.67 Lower edge of the highlight band.
soft_edge Widget FLOAT, default 0.1 Smooth transition width between tonal bands.
mask_shadows Output MASK Shadow selection mask.
mask_midtones Output MASK Midtone selection mask.
mask_highlights Output MASK Highlight selection mask.

Workflow JSON

workflows/S-05-luminosity-masking.json