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sword
03-10-2014, 05:12 PM
Attempt to make a highly adjustable skin tone pattern template to save time and allow more work on highlights and dark details.
The source is my blue drawing of face shading. Three separate grayscale
selections, Gimp > menu > Colors > Threshold, from the blue are shown combined beside the blue sample. Next, three separate ‘orange stripe’ layers are made with the grayscale layers as templates as shown below blue. Tone shading results from combining the grayscale and ‘orange stripe’ layers.
Details: Gimp_2.8.10 run in Linux Puppy FatDog64. Original work done at 489 px x 369 px and 72 ppi. The ‘orange stripe’ from which the layers are made is the trickiest part to make. A pattern of 2 px wide vertical stripes, alternating with 2 px wide transparent vertical stripes, is made to fill a 512 px x 512 px area. The overall transparency is reduced to about 60% and a gaussian blur is applied at 4 x 4 px. This layer is erased except in the regions that are meant to be saved as the ‘orange stripe’ layers mentioned above. Note: the effect of layering a semi-transparent orange stripe over different values, such as those shown in the grayscale sample, is very strong. The grayscale sample is shown at about 50% opacity but the best results seem to be when the grayscale layers are at about 12% opacity. Some texturing of the grayscale layers can be seen in the finished example where Gimp menu > Filters > Noise > Pick > Random seed 10, Randomization 50%, Repeat 8 was used.

luvcowhorses
03-11-2014, 03:02 PM
Your finished example is very very nice! I love the look you have achieved.

b'anna
03-11-2014, 03:34 PM
Thanks For sharing!
Barb