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The Mesh Filter node applies image processing filters to the input image using all neighbors around the pixel that is being processed. These neighbors include pixels in different uv islands.
Input image and 3D object
The image to be processed with a mesh image filter.
The processed image.
The image processing filter applied to the input image. relax. computes the average color of all pixels around the pixel being processed.
swap. swaps the pixel color with the color of one of its neighbors.
min. sets the color with the minimum value on each channel.
max. sets the color with the maximum value on each channel.
min value. sets the color to the color with the minimum value.
max value. sets the color to the color with the maximum value.
Seed for the random engine used by the swap filter.
Defines the size of the ring of pixels around the rendered zones, which prevents filtering issues when the model and textures are 3D rendered.
This video tutorial shows how to use the Mesh Cells, Mesh Filter and Mesh To Normal nodes to create a reptile skin surface texture.