A filter pack to help indicating the luminosity levels of objects, to help out manual tracing -possible use for creating gradient meshes over a photograph, it makes mesh node placement easier. A convolve matrix filter primitive is used to draw a 1 px wide line around the same tone levels of the source. Colour of the contours can be set by the flood fill at the start of the filter link.
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luminosity levels filter pack 2 free icon was designed by Lazur URH for icons Png and presented to its users.
Lazur URH
11/24/2017