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Mask layers with clipping masks
A clipping
mask lets you use the content of a layer to mask the layers
above it. The masking is determined by the content of the bottom
or base layer. The non-transparent content of the base
layer clips (reveals), the content of the layers above it in the
clipping mask. All other content in the clipped layers is masked
out.
 Clipping mask: content of the clipped layer (Potatoes) is
only visible within the content of the base layer (Logo) You
can use multiple layers in a clipping mask, but they must be successive
layers. The name of the base layer in the mask is underlined, and
the thumbnails for the overlying layers are indented. The overlying
layers display a clipping mask icon .
The Blend
Clipped Layers As Group option in the Layer Style dialog box determines
whether the blending mode of the base affects the whole group or
just the base. (See Group blend effects.)
Create a clipping mask- Arrange the layers in the Layers panel
so that the base layer with the mask is below the layers that you
want to mask.
- Do one of the following:
Hold down Alt (Windows) or Option (Mac OS),
position the pointer over the line in the Layers panel dividing
the base layer and the first layer above it that you want to include
in the clipping mask (the pointer changes to two overlapping circles ), and
click.
Select the first layer above the base layer in the
Layers panel, and choose Layer > Create Clipping Mask.
- To add additional layers to the clipping mask, use either
method in step 2, and work your way upward one level at
a time in the Layers panel.
Note: If you create a new layer between layers in a clipping
mask, or drag an unclipped layer between layers in a clipping mask,
the layer becomes part of the clipping mask.
Layers in the clipping mask are assigned the opacity
and mode attributes of the base layer.
Remove a layer from a clipping mask Do one of the following:Hold down Alt (Windows) or Option (Mac OS),
position the pointer over the line separating two grouped layers
in the Layers panel (the pointer changes to two overlapping circles ), and
click.
In the Layers panel, select a layer in the clipping
mask, and choose Layer > Release Clipping Mask. This
command removes the selected layer and any layers above it from
the clipping mask.
Release all layers in a clipping mask- In the Layers panel, select the clipping
mask layer just above the base layer.
- Choose
Layer > Release Clipping Mask.
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