Post on 19-Dec-2015
transcript
USING PHOTOSHOPON PC (WINDOWS)
SHORT COURSE SECTION I
OFFERED BY
INSTRUCTIONAL COMPUTING UNIVERSITY OF MISSOURI – ST.LOUIS
Photoshop 101
Can be found at: Start > Programs > Education > Adobe Photoshop
Copyright issuesSetting up the work areaAdjusting and retouching imagesEditing imagesCompositing imagesWorking with type
Copyright IssuesNever pass a copyrighted image off as
your own, even if you have made changes to the image
Be especially careful when publishing images to the web
Examining the Photoshop Window
The Workspace includes the following elements:Work areaCommand menuTools paletteStatus barPalettes
Command Menu Palettes
Tools Work Area
Status Bar
Using Tools and Palettes
You can rearrange the toolbar and palettes to create the best workspace for your needs
To select a tool, simply click on itIf you are unsure what a tool does,
hover the mouse over the tool, and a description will come up
Using Tools and Palettes
You can bring a background palette to the foreground by clicking its name
To see palette options, click on the arrow on the top right of the palette
Opening Images in Photoshop
If you want to work on a digital image, simply click on File -> Open, and then browse to the file and double-click to open it
If you want to work on a printed image, you must first scan the image in to a digital format
You can also create an image from scratch by clicking File -> New
Undo
Undo is perhaps the greatest function that Photoshop offers
You can experiment as much as you want, knowing that you can always go back
Click Edit > Undo, or hold down [Ctrl] and hit Z to undo
You can also undo a large amount of steps using the History palette
Adjusting and Retouching ImagesAdjusting Levels and Auto Levels
Used to change the image color settings
Adjusting and Retouching Images
Color Dodge and BurnUsed to lighten or darken specific areas of an
image
Adjusting and Retouching ImagesClone Stamp
Alt-Click to define source area, then click and drag over the destination area to “clone” part of an image This tool in effect
allows you to copy and paste part of an image
Adjusting and Retouching Images
Applying FiltersThere are over 100 filters
to choose fromFilters allow you to make
pre-defined changes to all or part of an image to create a desired effect
Each filter has changeable settings
Filters are very powerful and extremely useful
Various Selection Types
Selection Tools allow you to select a specific part of an image for editing or moving
Marquee- Shape Select Tool
Various Selection Types
Magic Wand – Select similar tool
o Select a spot on an image, and Magic Wand will select all adjacent areas that are a similar color range
o This is a very useful tool
Various Selection Types
• Lasso, Polygon Lasso and Magnetic LassooUser-defined Select tools
oMagnetic Lasso actually “clings” to the edge of image areas
Resizing Images
Click on Image, then Image Size to resize the image
You can Constrain Proportions
You can choose the size unit type before resizing
Transforming Images
Used to make geometric changes to a selection
Select the part of the image to which you want to apply a Transformation
Click on Edit > Transform and choose a Transform type
Using Layers
Layers allow you to make changes to part of an image without affecting other parts
The Layers palette shows all of the layers in an image and allows layer-specific editing
You can change the visibility of a layer, adjust the layer’s blending options and stack layers in a different order
Using Layers
When editing multi-layer documents, always make sure you have the proper layer selected!
JPEG, the most popular image format, does not support layers. If you save an image as JPEG, the layers will merge down into a single layer
Combining Images
Photoshop allows you to combine multiple images into a single image, using layersStart with a background image
Combining Images
Extract the necessary parts of one or more foreground images by selecting Filter>Extract, then drawing an outline to create a selection and filling in the shapes
Combining Images
You can then copy and paste the extracted image(s) onto the background image by choosing Select All, then Copy on the source image and Paste on the destination image.
Questions?
If any further questions arise, please contact a lab consultant in any of the following Instructional
Computing Labs.SSB 103 SSB 452
Math TLC (UC 050) Ward E. Barnes Library
Thomas Jefferson Research Commons
Additional Information
http://www.micros.umsl.eduThe Microcomputer Program at the
University of Missouri-St. Louis offers day and evening computer courses as part of the Chancellor's Certificate series.
http://www.umsl.edu/stg The Online Student Technology Guide has
answers to many computing questions.http://help.umsl.edu
Online self-service solutions for UMSL Technology Issues