Adobe Illustrator CS4 Manual de usuario descargar pdf (Pagina 86)

USING ADOBE ILLUSTRATOR CS4

Drawing

Min Stroke Length Specifies the minimum length of features in the original image that can be stroked. Features

smaller than the minimum length are omitted from the tracing result.

Path Fitting Controls the distance between the traced shape and the original pixel shape. Lower values create a tighter

path fitting; higher values create a looser path fitting.

Minimum Area Specifies the smallest feature in the original image that will be traced. For example, a value of 4 specifies

that features smaller than 2 pixels wide by 2 pixels high will be omitted from the tracing result.

Corner Angle Specifies the sharpness of a turn in the original image that is considered a corner anchor point in the

tracing result. For more information on the difference between a corner anchor point and a smooth anchor point, see

“About paths” on page 53.

Raster Specifies how to display the bitmap component of the tracing object. This view setting is not saved as part of

the tracing preset.

Vector Specifies how to display the tracing result. This view setting is not saved as part of the tracing preset.

Select Preview in the Tracing Options dialog box to preview the result of the current settings.To set the default tracing

options, deselect all objects before you open the Tracing Options dialog box. When you’re finished setting options, click

Set Default.

For a video on using Live Trace, see www.adobe.com/go/vid0043. For a tutorial on tweaking Live Trace options for the

best possible results, see www.adobe.com/go/learn_ai_tutorials_livetrace_en.

Change the display of a tracing object

A tracing object is made up of two components: the original source image and the tracing result (which is the vector

artwork). By default, only the tracing result is visible. However, you can change the display of both the original image

and the tracing result to best suit your needs.

1 Select the tracing object.

By default, all tracing objects are named “Tracing” in the Layers panel.

2 Do any of the following:

• To change the display of the tracing result, click the Vector View button in the Control panel or choose

Object > Live Trace, and select a display option: No Tracing Result, Tracing Result, Outlines, or Outlines With

Tracing.

• To change the display of the source image, click the Raster View button in the Control panel or choose

Object > Live Trace, and select a display option: No Image, Original Image, Adjusted Image (which displays the

image with any adjustments that are applied during tracing), or Transparent Image.

Note: In order to view the source image, you must first change the Vector View to No Tracing Result or Outlines.

Adjust the results of a tracing

Once you create a tracing object, you can adjust the results at any time.

1 Select the tracing object.

2 Do any of the following:

• Set basic options in the Control panel.

• Click the Tracing Options Dialog button in the Control panel to view all tracing options. Alternatively,

choose Object > Live Trace > Tracing Options. Adjust the options, and click Trace.

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Adobe Illustrator CS4 Manual de usuario Pagina 86