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Thread: Underpaint experiment result tutorial

  1. #1
    Join Date
    Feb 2007
    Location
    Denmark
    Posts
    386

    Underpaint experiment result tutorial

    Hi all

    In threads
    http://www2.ambientdesign.com/forums...pic.php?t=8510
    http://www2.ambientdesign.com/forums...pic.php?t=8520
    underpaint have been displayed/debated. A definition of underpaint is available here:
    http://painting.about.com/od/artglos...underpaint.htm


    I have experimented a little with underpaint in ArtRage. I will here mention two of the methods I have found - not exactly a tutorial, but feel free to experiment yourself. As I have NO experience from real world underpaint I don't know if it works the same. This is just my adoption.

    The basic idea is to split painting in two layers. In one layer I do the tonal values using only grays (monochrome painting / luminance).
    In another layer I do color (the combination of Hue and Saturation). The colors are usually painted with Luminance fixed at 50%.
    And then I let the paper texture come from a third layer.

    Method 1 (Hard Light):
    Top layer is the monochrome layer. Blend mode is set to Hard Light. Paper is Coarse Weave.
    Middle layer is the color layer. Normal blend mode. Paper is Coarse Weave.
    Lower layer is the texture layer. Paper is Coarse Weave with 81% Roughness, scale 36% and 5% Metal.

    Method 2 (Overlay):
    Top layer is the color layer. Blend mode is set to Overlay. Paper is Coarse Weave.
    Middle layer is the monochrome layer. Normal blend mode. Paper is Coarse Weave.
    Lower layer is the texture layer. Paper is Coarse Weave with 81% Roughness, scale 36% and 5% Metal.

    Note: Sometimes I notice a difference between the two methods. This will especially happen if I do not fix the luminance of the color layer to 50% - or if I add color to the monochrome layer, e.g. painting in sepia.

    Happy DoodLS
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  2. #2
    Join Date
    Feb 2007
    Location
    Denmark
    Posts
    386
    As a postscript; also do have a look at Fashmirs great glazing tutorial. http://www2.ambientdesign.com/forums...pic.php?t=3085
    DoodLS

  3. #3
    Join Date
    Feb 2007
    Location
    Denmark
    Posts
    386
    I thouht I would add a link to this article
    http://www.completedigitalphotography.com/?p=47
    I think he did a good job explaining the method. It's an article about photoshop, but since the mergemodes are identical it works in ArtRage too.

    DoodLS

  4. #4
    Join Date
    Feb 2007
    Location
    China
    Posts
    7,500
    Thanks for the info and the explanation.

  5. #5
    Join Date
    Sep 2010
    Location
    dayton, OH
    Posts
    52
    Thank you for posting an extra link. After Ambient Design redecorated its webpage, the first link was deleted.

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