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Documentation

Sharpness

VFX Loom 1.0 reference for the Sharpness node.

Filters processing.sharpness
The Sharpness node on the VFX Loom graph canvas.
Fig. 1 The Sharpness node in its resting, collapsed state on the VFX Loom graph canvas.

Overview

Sharpens local image detail with an alpha-safe unsharp mask.

Alpha-safe unsharp mask. Amount 0 preserves the input exactly; edge sampling uses Clamp.

Category
Filters
Internal ID
processing.sharpness
Version
VFX Loom 1.0

Inputs

InputTypeRequiredDefaultMeaning
in Image Required — See the overview for the node's documented behavior.

Properties

PropertyTypeDefaultAnimatableRange / optionsEffect
Amount Scalar .5 Yes — Animatable control; changing it over time varies the node response.

Outputs

OutputTypeMeaning
out Image The production node output described by the overview.

Usage

In practice

  • Use Sharpness when the graph needs Sharpens local image detail with an alpha-safe unsharp mask.
  • Alpha-safe unsharp mask. Amount 0 preserves the input exactly; edge sampling uses Clamp.
  • Place it after the image or mask it should process, and check its alpha and edge behavior before using the result in a tiled graph.

Notes / limitations

  • No step is declared for Amount.
  • Blur Gaussian-approximate blur, with tileable wrapping.
  • Directional Blur Centered line blur for motion streaks, trails, smoke, and directional energy.
  • Glow / Bloom Thresholds bright source pixels, blurs the contribution, tints it, and optionally composites it over the source.