Stephen Andrews (artist) to his own experience of living with HIV. Andrews’ method of homemade colour separation evokes both the 19th-century painting technique of Pointillism: “in which small, distinct dots of pure color are applied in patterns to form an image”, and the Ben-Day dots of mechanical printing. Beyond these references, Andrews’ uses the technique to, at the same time, evoke the alchemy of vision and break its mechanics down. As a result, Andrews creates works that “hover at legibility.” “The pixilation or dot matrix completely obscures details, making specifics impossible to see. We can't grasp the full picture.“ The series of rubbed-crayon
Blend modes down) and Vivid Light, Linear Light and Pin Light. Multiply blend mode multiplies the numbers for each pixel of the top layer with the corresponding pixel for the bottom layer. The result is a darker picture. formula_3, where "a" is the base layer value and "b" is the top layer value. This mode is "symmetric": exchanging two layers does not change the result. If the two layers contain the same picture, multiply blend mode is equivalent to a quadratic curve, or gamma correction with γ=2. (For image editing it is sometimes more convenient to simply go to the Curves dialog