Notch Notch Manual 0.9.23
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Edge Detect

Edge Detect

Detect the edges in an image.

image

Method #

This node evaluates an image to try and identify details and edges within. Useful for creating neon effects from a simple video image with a Glow node, or for highlighting edges of an image when in additive mode.

Parameters

These properties control the core behaviours of the node.

ParameterDetails
ActiveEnables or disables the effect. Disabling the effect means it will no longer compute, so disabling a node when not in use can improve performance.
Blend AmountChanges the opacity of the new effect over the original image.
Blend Mode (RGB)Change how the generated effect blends with the parent image RGB.
Blend Mode (Alpha)Change how the generated effect blends with the parent image alpha.
ModeChange which edge detection method is used.
ColourEdit the colour of the edge
ThresholdChange the threshold for the edge detection.
ScaleScale the brightness for the effect.
WidthChange the width of the output lines detected.
Pixel WidthWhen sobel mode is chosen pixel width defines the width of the edge

Inputs

NameDescriptionTypical Input
ActiveEnables or disables the effect. Disabling the effect means it will no longer compute, so disabling a node when not in use can improve performance.Envelope Modifier