Adobe Fireworks CS3 Manuale Utente
ADOBE FIREWORKS CS3
User Guide
82
Original; after sharpening
To sharpen an image using a sharpen option:
1
Select the image.
2
Do one of the following to select a sharpen option:
•
In the Property inspector, click the Add Live Filters button, and then select Sharpen > Sharpen or Sharpen More
from the Filters pop-up menu.
from the Filters pop-up menu.
•
Select Filters > Sharpen > Sharpen or Sharpen More.
Note: Applying a filter from the Filters menu is destructive; that is, it cannot be undone except when Edit > Undo is an
option. To maintain the ability to adjust, turn off, or remove this filter, apply it as a Live Filter, as described in the first
bulleted option in this step. For more information, see “Using Live Filters” on page 147.
option. To maintain the ability to adjust, turn off, or remove this filter, apply it as a Live Filter, as described in the first
bulleted option in this step. For more information, see “Using Live Filters” on page 147.
To sharpen an image using Unsharp Mask:
1
Select the image.
2
Do one of the following to open the Unsharp Mask dialog box:
•
In the Property inspector, click the Add Live Filters button, and then select Sharpen > Unsharp Mask from the
Filters pop-up menu.
Filters pop-up menu.
•
Select Filters > Sharpen > Unsharp Mask.
Note: Applying a filter from the Filters menu is destructive; that is, it cannot be undone except when Edit > Undo is an
option. To maintain the ability to adjust, turn off, or remove this filter, apply it as a Live Filter, as described in the first
bulleted option in this step. For more information, see “Using Live Filters” on page 147.
option. To maintain the ability to adjust, turn off, or remove this filter, apply it as a Live Filter, as described in the first
bulleted option in this step. For more information, see “Using Live Filters” on page 147.
3
Drag the Sharpen Amount slider to select the amount of sharpening effect from 1% to 500%.
4
Drag the Pixel Radius slider to select a radius from 0.1 to 250.
An increase in radius results in a greater area of sharp contrast surrounding each pixel edge.
5
Drag the Threshold slider to select a threshold of 0 to 255.
Values between 2 and 25 are most commonly used. An increase in threshold sharpens only those pixels of a higher
contrast in the image. A decrease in threshold includes pixels of lower contrast. A threshold of 0 sharpens all pixels
in the image.
contrast in the image. A decrease in threshold includes pixels of lower contrast. A threshold of 0 sharpens all pixels
in the image.
6
Click OK.