Page 178 - (DK) Advanced Photography Guide

176 APPLYING | CROSS PROCESSING

ADJUSTING COLOR

Cross processing is a darkroom method in which colors are no longer true to life, most notably in
one type of film, such as print, is developed in the shadows and highlights. You can simulate the
chemicals that are normally meant for a different effects of cross processing digitally by adjusting the
type of film, such as transparency. Contrast relative brightness of an image’s individual color
is heightened in the resulting images and the channels: red, green, and blue.

SOLARIZATION

A photo is solarized when either its
shadows or its highlights are tonally
inverted. The effect works best with Layers
high-contrast photos. Using the Kind
Curves tool, add a control point Normal Opacity: 100%
halfway along the tone curve. To Fill: 100%
solarize shadows pull the point down Background
to the bottom of the Curves box, then Curves…
Gradient…
pull the shadow control point in the Pattern…
bottom left corner up to the top. To Brightness/Contrast…
Levels…
solarize highlights, pull the control Curves…
Exposure…
point to the top of the box, then
move the highlight control point, ASSESS YOUR IMAGE SELECT CURVES
in the top right, to Select a photo that you think the Add a Curves adjustment layer
the bottom. technique might suit. Simple, colorful to the photo. This will make it easier to
images with a single subject work well, change afterward. You also have the
especially if they have strong shadows option to change the layer’s Opacity
and highlights. to vary the strength of the effect.

Curves Curves
▲ SOLARIZED SHADOWS Custom Custom
Green Auto Blue Auto

Input: Output: Input: Output:

ADJUST THE GREEN CHANNEL ADJUST THE BLUE CHANNEL
Select the Green channel and add Select the Blue channel and add
two control points. Pull the left-hand point two control points. Pull the left-hand
▲ SOLARIZED HIGHLIGHTS down and the right-hand point up, though point up and the right-hand point down
not as far as for the Red channel. to produce an inverted S shape.

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