Layers

• A layer is simply one image stacked on top of another.
• You use layers to perform tasks such as compositing multiple images, adding text to an image, or adding vector graphic shapes.
• You can apply a layer style to add a special effect such as a drop shadow or a glow.

Layers panel overview

• The layers panel in photoshop lists all layers, layer groups, and layer effects in an image.
• You can use the layers panel to show and hide layers, create new layers, and work with groups of layers.

• A. Layers panel menu B. Filter C. Layer Group D. Layer E. Expand/Collapse Layer effects F. Layer effect G. Layer thumbnail.

Using layers

• Open a image in Photoshop.

• Duplicate the layer by pressing Ctrl+J (or go to Layer>Duplicate layer).

• Now go to filter>Blur>Gaussian blur and enter a value around 10px.

• At this point we have two layer: the bottom one which is the original layer, and the upper one which is blurred.
• To create the til-shift effect we have to remove the blurred effect from a specific area – the one you want to emphasize. So create a layer mask.

• Grab a black soft brush (reduce hardness to 0%) and start painting over the bridge.
• Painting over the mask using a black brush we remove that area. In this way an area of the below layer will reappear:

• Here is the til-shift effect! In case you’re not satisfied with the result. you can always use the white brush to replace the pixels.

Why work on layers at all?

• They do not destroy your original photo.
• You are working on top of or on copies of that photo.
• You will have more control.
• You can use blending modes to change the way layers interact.
• You can change the opacity of any effects.