Difference between revisions of "Visualizing Microbial Seascapes - Intro to Photoshop"
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===Saving your work=== | ===Saving your work=== | ||
'''File > Save as'''. Choose '''Photoshop''' as the file format. This will create a uncompressed Photoshop native image file format (.psd). It's a good idea to keep an uncompressed copy of your images. | '''File > Save as'''. Choose '''Photoshop''' as the file format. This will create a uncompressed Photoshop native image file format (.psd). It's a good idea to keep an uncompressed copy of your images. | ||
+ | ====Saving for web==== | ||
+ | #Saving for web: '''File > Save for Web & Devices''' | ||
+ | #*Choose the highest quality with the best (smallest) file size. | ||
===Working with [http://artist.tizag.com/photoshopTutorial/photoshoplayers.php Layers]=== | ===Working with [http://artist.tizag.com/photoshopTutorial/photoshoplayers.php Layers]=== | ||
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[[Category:2015-2016]] | [[Category:2015-2016]] |
Revision as of 15:10, 11 May 2016
Scanning
- See step by step instructions: Scanning from a Macintosh
- Recommended scanning resolution for Zoetrope strips to Quicktime = 150dpi, for print = 300-600 dpi
- Opening a file File > Open and navigate to your file. Never open a file over the network (if your file is on Orca, first copy it to your local hard drive).
- Intro to basics Photoshop interface elements
- navigating an image
- Zoom: Cmd +/-
- Hand tool: Space Bar (used to move around an image)
Image size and resolution
- What is a pixel? Zoom all the way in on your image.
- What are the dimensions of your image?
- Go to Image > image Size to see the overall size in pixels of your image
- Resizing photos for various usages including: Web, email attachment, and print
- What is the resolution or pixel density of your image? Why does it matter? See more in discussion depth on resolution.
- Cropping - using the crop tool to remove portions of the image outside of the crop selection
- You can set the image size to crop to in the properties bar i.e. 400 px (remember the px)
Saving your work
File > Save as. Choose Photoshop as the file format. This will create a uncompressed Photoshop native image file format (.psd). It's a good idea to keep an uncompressed copy of your images.
Saving for web
- Saving for web: File > Save for Web & Devices
- Choose the highest quality with the best (smallest) file size.
Working with Layers
- Create new layers
- Hiding and linking layers
- Copying between layers and duplicating layers
- Adjustment layers - try adding a Levels adjustment to improve the contrast of your scanned image
Working with selections
- intro to selection tools: marquee, lasso, magic wand etc.
- Extract an object from the background
- adjusting selections
- copying selections to another layer