EdgeBlur node — Natron 2.5.0 documentation

# EdgeBlur node

This documentation is for version 1.0 of EdgeBlur (fr.inria.EdgeBlur).

## Description

Blur the image where there are edges in the alpha/matte channel.

## Inputs

Input | Description | Optional
--- | --- | ---
Source |  | No
Mask |  | Yes
Matte |  | Yes

## Controls

Parameter / script name | Type | Default | Function
--- | --- | --- | ---
Convert to Group / `convertToGroup` | Button |  | Converts this node to a Group: the internal node-graph and the user parameters will become editable
R / `Blur1NatronOfxParamProcessR` | Boolean | On |
G / `Blur1NatronOfxParamProcessG` | Boolean | On |
B / `Blur1NatronOfxParamProcessB` | Boolean | On |
A / `Blur1NatronOfxParamProcessA` | Boolean | On |
External Matte / `externalMatte` | Boolean | Off | Use the edges from the Matte input instead of the alpha channel of the source image.
Size / `size` | Double | 3 |
Filter / `filter` | Choice | Gaussian | Simple (simple): Gradient is estimated by centered finite differences. Sobel (sobel): Compute gradient using the Sobel 3x3 filter. Rotation Invariant (rotinvariant): Compute gradient using a 3x3 rotation-invariant filter. Quasi-Gaussian (quasigaussian): Quasi-Gaussian filter (0-order recursive Deriche filter, faster) - IIR (infinite support / impulsional response). Gaussian (gaussian): Gaussian filter (Van Vliet recursive Gaussian filter, more isotropic, slower) - IIR (infinite support / impulsional response). Box (box): Box filter - FIR (finite support / impulsional response). Triangle (triangle): Triangle/tent filter - FIR (finite support / impulsional response). Quadratic (quadratic): Quadratic filter - FIR (finite support / impulsional response).
Crop To Format / `cropToFormat` | Boolean | On |
Edge Mult / `edgeMult` | Double | 2 | Sharpness of the borders of the blur area.
Invert Mask / `Merge1maskInvert` | Boolean | Off |
Mix / `Blur1mix` | Double | 1 |