All effects and presets

Effect

Contour

Trace edges and contours for a line-drawn or embossed look.

Contour and emboss filters exaggerate edges so form reads as line or relief. Printmaking and technical drawing have long used outline to explain structure; digital edge operators made the same move available on photographs.

The result can feel engraved, stamped or sketched depending on strength and lighting direction.

Contour example
Example

Properties

  • Spacing

    isolines across tone range

    Range
    2 to 48
    Default
    12

  • Thickness

    line weight

    Range
    0.05 to 1
    Default
    0.35

  • Invert

    flip paper/ink

    Range
    0 to 1
    Default
    0

  • Fill mix

    keep some original tone under lines

    Range
    0 to 1
    Default
    0.15

  • Ink

    Range
    Colour
    Default
    0.05, 0.05, 0.06

  • Paper

    Range
    Colour
    Default
    0.97, 0.96, 0.94

Command line

Requires Rethings Pro. Install the tool from Rethings → Install Command Line Tool… 

rethings apply --effect contour --set spacing=12 --set thickness=0.35 -i input.jpg -o output.png

Gallery

  • Contour example 1
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