ACD Systems ACDSEE 12, User Manual, Page: 145 / 232

Chapter 5: Edit mode
Applying a Pixelate effect
A pixel is the smallest piece of a digital image, arranged in rows and columns. When you reduce the resolution of your image, the
size of the pixel increases and produces blurring. You can use the Pixelate effect to increase the size of the pixels in your image, and
save your options as a
preset for future use.
To apply a Pixelate effect:
1. In Edit mode, in the Add group, click Special Effect .
2. Click Pixelate .
3. On the Pixelate tab, drag the Width and Height sliders to set the size of the pixels in your image. Select the Square check
box to make the width and height equal.
4. Do one of the following:
Click Done to accept your changes and close the pane.
Click Cancel to discard your changes and close the pane.
Applying a Posterize effect
You can use the Posterize effect to reduce the number of brightness levels in your image. You can select or change the Posterize
options to apply this effect to your image, and save your options as a
preset for use at another time.
To apply a Posterize effect:
1. In Edit mode, in the Add group, click Special Effect .
2. Click Posterize .
3. On the Posterize tab, drag the Brightness levels slider to adjust the variance of colors in the image. The lower the value,
the fewer colors used in the image.
4. Do one of the following:
Click Done to accept your changes and close the pane.
Click Cancel to discard your changes and close the pane.
Applying a Radial Waves effect
You can use the Radial Waves effect to display waves radiating from a center point in the photo. You can change the center point in
the photo and you can also control the appearance of the waves. You can save your options as a
preset for use at another time.
To apply a Radial Waves effect:
1. In Edit mode, in the Add group, click Special Effect .
2. Click Radial Waves .
3. On the Radial waves tab, set the options as described below.
4. Do one of the following:
Click Done to accept your changes and close the pane.
Click Cancel to discard your changes and close the pane.
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