Adobe illustrator 10 Manuale Utente
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Adobe Illustrator Help
Using Transparency, Gradients, and Patterns
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Use the Layers palette to target an object, group of objects, or layer when applying trans-
parency effects. (See
parency effects. (See
.) This is the only way to ensure that the effect is applied only to the artwork you
want to target. When you make transparency changes on a targeted layer, the changes are
applied to the layer as a whole, not to objects on the layer. Objects moved out of the layer
do not retain the layer’s transparency values.
applied to the layer as a whole, not to objects on the layer. Objects moved out of the layer
do not retain the layer’s transparency values.
To change the opacity of an object, group, or layer:
1 Select the object, group, layer, or sublayer using one of the following methods:
•
Use the selection tool or direct-selection tool to select the object, or target it in the
Layers palette.
•
Use the selection tool to select a group on the artboard. To select more than one group,
hold down Shift and click the other groups.
•
In the Layers palette, click the target icon of the desired layer or group. To select more
than one layer or group, hold down Shift, and click their target icons.
2 In the Transparency palette, drag the Opacity slider or enter a transparency value.
Changing the display of transparent artwork
You use the Document Setup dialog box to set transparency preferences, which
determine how transparent artwork displays. Using these settings, you can change the
size or color of the Transparency Grid, or you can adjust the quality or printing speed of
transparent artwork.
determine how transparent artwork displays. Using these settings, you can change the
size or color of the Transparency Grid, or you can adjust the quality or printing speed of
transparent artwork.
To set transparency preferences:
1 Choose File > Document Setup.
2 Choose Transparency from the menu at the top of the Document Setup dialog box.
3 In the Grid Size menu, choose the desired checkerboard size.
4 In the Grid Colors pop-up menu, do one of the following:
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Choose a preset pair of grid colors.
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Create a custom pair of grid colors by clicking each color swatch to the right of the Grid
Colors pop-up menu. In the color picker, select a color, and then click OK.
5 Check the Simulate Paper option to view your document as it might appear when
printed on paper whose color matches the top swatch. For example, if you were to draw a
blue object on a yellow artboard background, the object would appear green. The
simulation is only performed when the transparency grid is not shown.
printed on paper whose color matches the top swatch. For example, if you were to draw a
blue object on a yellow artboard background, the object would appear green. The
simulation is only performed when the transparency grid is not shown.
In CMYK documents, choosing the Simulate Paper option is even useful with a white
background, as it gives you a more accurate preview of how non-opaque artwork will
background, as it gives you a more accurate preview of how non-opaque artwork will
print.
6 Click OK.