Layers
Layers are exactly what the name suggests, like layers of an Onion or a cake but more like panes of glass placed on top of each other, making the image (as long as its viewed from above) appear as a single image..
0 Layers Visible |
1 Layer Visible |
2 Layers Visible |
All 3 Layers Visible |
Used for:
Layers are a way to edit the image but maintain the ability to revert to the original image, this can be very handy as some times a particular effect can look great at first and then you may change your mind..
Black and White is applied on a separate layer to the original image |
Black and White layer hidden (with option to restore at any time) |
More complex usage
Layers don't really get more complex, what does get complex however, is managing the layers when working with multiple layers , Naming each layer (helps if the name is descriptive) is highly recommended when working with multiple layers, it makes specific layers easier to find at a later date.