User Guide

Using Image Effects286
The lighting sphere with a light indicator.
The Display slider beneath the sphere
controls the brightness of the sphere
so that it’s easier to see light positions.
It does not affect the lights themselves.
To change a light’s position:
• On the lighting sphere, drag a light
indicator.
Tip
•
You can also change a light’s position
by selecting a light indicator on the sphere
and enabling one of the Light Direction
options.
Setting Light Properties
The three Light Controls sliders let
you set the properties of a light source.
You can also change a light’s color.
• Brightness indicates the intensity
of the light.
• Conc (concentration) adjusts the
spread of the light’s shine over the
surface.
• Exposure globally adjusts the
overall lighting amount from
darkest to brightest.
To change light color:
1 Click the Light Color icon.
2 In the color picker, choose a color.
Other Surface Control
Effects
The Surface Control effects let you
manipulate paper, color, and light to
produce a variety of interesting visual
effects. Many of these effects also let
you add texture to an image,
producing the illusion of paint on a
canvas or paper.
Apply Screen
Apply Screen is another way to add
texture to an image. It combines
luminance, the selected paper texture,
and the three colors you pick, to add a
three-color screen to animage.
Apply Screen using Image Luminance.
To apply a screen:
1 Select a layer or area of the canvas.
If you want to apply the effect to
the entire image, make sure there
are no selections.
2 Choose Effects menu > Surface
Control > Apply Screen.
3 In the Apply Screen dialog box,
choose three colors by clicking
each color icon and choosing a
color from the color picker.
4 Move the Threshold 1 slider to
determine how much of the
second and third colors will be in
the image.
Moving the slider to the left
increases the amount of the third