Photoshop: Getting to Know Layers

Computer Information Technology

Section 61

Objectives

The student will:Understand and use layersUse Layer masksUnderstand clipping masksUse Marquee tools to create shapes

Layers

Layers are like clear pieces of film each containing it’s own imageLayers can be stacked on top of each otherEach layer is independent and can have it’s

contents and opacity changedLayers can be reordered Blending modes can be changed to create

interesting overlays

Creating a New Blank File

So far we have edited existing images, but sometimes you want to build a file from scratch

Choose File>New

New Layer Dialog BoxSize in either inches or pixels

Resolution (72 is good for viewing on PC)

Color Mode – RGB is best

Background – White, a color or transparent

Adding Shapes Use the Shape Marquee tool to add a

shape to the image

Naming a Layer

Sometimes it’s easier if layers are given namesDouble click on a layer name to edit the name

Using Masks in Layers

Using a layer mask allows for better blending and more realistic compositions

Mask allow special effects to be added Gradients, etc

Adding a Shadow

Holding the ALT key when moving a layer will make a copy of the layer

Change Color Add a Gaussian Blur to make the shadow

more realistic (Filter>Blur>Gaussian Blur)

Rest of Today Complete the exercise from yesterday

Two Choices:

1. Pots… Take the black and white picture of the wall and the pots (ps0602)

1. Select Image > Mode > RGB Color

2. Color 3 of the pots

3. Remove the window from the wall

2. Dandelion… Take the picture of the girl and the dandelion (ps0201)

1. Color the girl’s sweater a different color

2. Remove the dandelion from her hand.