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title: module-FreiChenShader category: Unknown layout: docs

FreiChenShader

Import

FreiChenShader is an addon, and must be imported explicitly, see Installation#Addons.

import { FreiChenShader } from 'three/addons/shaders/FreiChenShader.js';

Properties

.FreiChenShader : ShaderMaterial~Shader (inner, constant)

Edge Detection Shader using Frei-Chen filter. Based on http://rastergrid.com/blog/2011/01/frei-chen-edge-detector.

aspect: vec2 of (1/width, 1/height)

Source

examples/jsm/shaders/FreiChenShader.js