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.
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====Saving for web====
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#Saving for web: '''File > Save for Web & Devices'''
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#*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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===Saving for web===
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#Saving for web: '''File > Save for Web & Devices'''
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#*Choose the highest quality with the best (smallest) file size.
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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

Photoshop interface and navigating an image

  1. 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).
  2. Intro to basics Photoshop interface elements
  3. navigating an image
    • Zoom: Cmd +/-
    • Hand tool: Space Bar (used to move around an image)

Image size and resolution

  1. What is a pixel? Zoom all the way in on your image.
  2. 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
  3. What is the resolution or pixel density of your image? Why does it matter? See more in discussion depth on resolution.
  4. 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

  1. 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

Animated GIFs