Tattoos

This is a simple black tattoo on a single layer.

1 Is your tattoo map.

2 is your gamma node for setting your gamma correction on the tattoo so it will function as a mask. We are doing that here instead of on the image map so we can also use the image map for color.

3 is a brightness/contrast node to de-saturate the tattoo. tattoos are UNDER the skin, not painted on top of the skin so their colors are not full and saturated.

4 The mix node mixes the skin map with the tattoo map using the tattoo map itself as a mask

Color tattoos would probably need two maps, one for the color and one for a mask that was just black and white.

Also I used a grey scale image for the tattoo so there ends up being a white border around the tattoo. Probably need to use a high res 1 bit image for this instead.

W10, Ryzen 5 1600x, 16Gb,RTX2060Super+GTX980, PP11, 11.3.740