CLIPPING MASK
CLIPPING MASK
Locking transparency is the most basic way of working with a
fixed alpha. Using CLIPPING MASKS is a way of using an older layers
transparency without altering the new layer.
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Using the file from the previous example, turn
off all the locks.
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Create a new layer and fill it with lots of
colours.
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Right-click on the layer in the layers palette
and choose ‘create clipping mask’ or hold Alt and click on the line dividing the two layers or press Ctrl+Alt+G
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Create a new layer, repeat step 2 and 3. The new
layer conforms to the opacity of the first layer and not the second layer. This
means you can make a layer and have many other layers (including adjustment
layers) inherit its opacity.
Now if you start blurring, distorting or erasing parts of
the original layer, all the clipped layers above it will inherit the new
opacity.