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<ul class="navigation"><li class="prev"><a accesskey="p" class="prev" href="WSfd1234e1c4b69f30ea53e41001031ab64-787ba.html" title="Adjustment and fill layers"><img src="images/blank.gif" alt="Previous" width="17" height="17" /></a></li><li class="next"><a accesskey="n" class="next" href="WS5A7BAC5F-EF4C-4fd1-94BB-6ACA59C8E73Fa.html" title="Create adjustment and fill layers"><img src="images/blank.gif" alt="Next" width="17" height="17" /></a></li></ul><div class="hierarchy" id="hierarchy"><a href="WSfd1234e1c4b69f30ea53e41001031ab64-78e4a.html">Layers</a> /
     <a href="WSfd1234e1c4b69f30ea53e41001031ab64-787ba.html"><b>Adjustment and fill layers</b></a> 
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                <h1>
                    About adjustment layers and fill layers
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                <div><p>An adjustment layer applies color and
tonal adjustments to your image without permanently changing pixel
values. For example, rather than making a Levels or Curves adjustment
directly to your image, you can create a Levels or Curves adjustment
layer. The color and tonal adjustments are stored in the adjustment layer
and apply to all the layers below it. You can discard your changes
and restore the original image at any time.</p>
<p>Adjustment layer choices match the commands available in the
Adjustments panel. Choosing an adjustment layer from the Layers
panel displays the corresponding command settings controls in the
Adjustments panel. If the Adjustments panel is closed, you can open
it by double-clicking the adjustment layer thumbnail in the Layers
panel.</p>
<p>Fill layers
let you fill a layer with a solid color, a gradient, or a pattern.
Unlike adjustment layers, fill layers do not affect the layers underneath
them. </p>
<p>Adjustment layers provide the following advantages:</p>
<ul><li><p>Nondestructive edits. You can try different settings
and re‑edit the adjustment layer at any time. You can also reduce
the effect of the adjustment by lowering the opacity of the adjustment
layer. </p>
</li>
<li><p>Selective editing. Paint on the adjustment layer’s image
mask to apply an adjustment to part of an image. Later you can control
which parts of the image are adjusted by re-editing the layer mask.
You can vary the adjustment by painting on the mask with different
tones of gray. </p>
</li>
<li><p>Ability to apply adjustments to multiple images. Copy and
paste adjustment layers between images to apply the same color and
tonal adjustments. </p>
</li>
</ul>
<p>Adjustment layers increase the image’s file size, though less
than other layers. If you are working with many layers, you may
want to reduce file size by merging the adjustment layers into the
pixel content layers. Adjustment layers have many of the same characteristics
as other layers. You can adjust their opacity and blending mode,
and you can group them to apply the adjustment to specific layers.
You can turn their visibility on and off to apply their effect or
to preview the effect.</p>
<div class="fignone"><img alt="" id="la_13" src="images/la_13.png" /><div class="figdesc">Original (left); adjustment layer applied to barn only (center),
which brings out detail in the barn; and adjustment layer applied
to entire image (right), which lightens the entire image and pixelates the
clouds</div><br /></div><p>An adjustment layer affects all the layers below it: you can
correct multiple layers by making a single adjustment, rather than
adjusting each layer separately.</p>
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