Lighting options – Adobe Illustrator CS4 User Manual

Page 260

Advertising
background image

253

USING ADOBE ILLUSTRATOR CS4

Reshaping objects

Light Intensity

Controls the light intensity between 0% and 100%.

Ambient Light

Controls the global lighting, which changes the brightness of all the object’s surfaces uniformly. Enter

a value between 0% and 100%.

Highlight Intensity

Controls how much the object reflects light, with values ranging from 0% to 100%. Lower values

produce a matte surface, and higher values create a shinier-looking surface.

Highlight Size

Controls the size of the highlight from large (100%) to small (0%).

Blend Steps

Controls how smoothly the shading appears across the object’s surfaces. Enter a value between 1 and 256.

Higher numbers produce smoother shades and more paths than lower numbers.

Draw Hidden Faces

Displays the object’s hidden backfaces. The backfaces are visible if the object is transparent, or if

the object is expanded and then pulled apart.

Note: If your object has transparency and you want the hidden backfaces to display through the transparent front faces,
apply the Object > Group command to the object before you apply the 3D

effect.

Preserve Spot Color (Extrude & Bevel effect, Revolve effect, and Rotate effect)

Lets you preserve spot colors in the

object. Spot colors can’t be preserved if you chose Custom for the Shading Color option.

Examples of different surface shading choices

A. Wireframe B. No shading C. Diffuse shading D. Plastic shading

Lighting options

Light

Defines where the light is. Drag the light to where you want it on the sphere.

Move Light Back button

Moves the selected light behind the object.

Move Light Front button

Moves the selected light in front of the object.

New Light button

Adds a light. By default, new lights appear in the front center of the sphere.

Delete Light button

Deletes the selected light.

Note: By default, 3D Effects assigns one light to an object. You can add and delete lights, but the object must always have
at least one light.

Light Intensity

Changes the selected light’s intensity between 0% and 100%.

Shading Color

Controls the object’s shading color, depending on the command you choose:

None

Adds no color to the shading.

A

B

C

D

Advertising