Working with Layers in the GIMP
Many images consist of a stack of two or more layers. An image is generally easier to manipulate when its elements are on different layers, allowing an individual element to be worked on without disturbing the other elements. A layer has four basic attributes:
Active/inactive: You can only change the active layer.
Opacity: An image is a stack of layers. Opacity is the degree to which you can see through a layer to the layer beneath it.
Visible: A layer can be visible or invisible. You can't see an invisible layer at all. However, it's still there.
Position: The location of the layer in the stack of layers—top, bottom, or somewhere in between.
To see layer information, click Dialogs and select Layers, which opens ...
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