Pixaflux
Surface Distance node
Left Toolbar > 
Mesh Nodes > 
Surface Distance
The Surface Distance node takes as input a surface value and a surface image value with black pixels that represent the 0 distance elements, and the node computes the distance from each surface pixel to the closest 0 value pixel.
For more information about surfaces see surface workflow.
input
Surface Image with 0 values (black dots)
output
Surface Image
Procedure
To break the groups on a Surface:
- On the left toolbar choose Mesh Nodes > Surface Distance. >
- Connect the Surface Distance node to a Surface value and an Image value.
Inputs
Surface
The surface value.
Image
The surface image with the zero value pixels.
Outputs
Surface
The surface value.
Image
The surface image with the distances to the zero values.
Attributes Panel
Normalize
Scales the output values to be within 0.0 and 1.0.