OV 2 - 1 Copyright © 2012 Logical Operations, Inc. All rights reserved. Beginning with Image Basics  Manage Image Elements and Formats  Work with Digital.

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Presentation transcript:

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Beginning with Image Basics  Manage Image Elements and Formats  Work with Digital Devices

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Magnified at 300% the image with the higher resolution (300 ppi) has more clarity than the image with the smaller resolution (72 ppi)... but the file size is larger. Pixels, Resolution, and Image Size 300 ppi resolution 2 MB file size 72ppi resolution 84 KB file size

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Retains the pixel width and height Retains any styles applied to layers Controls image data Image Size Dialog Box Resolution based on inches or centimeters Number of pixels wide and high based on pixels or percent Document size based on Inches, Picas, Percent, and other units of measure

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Image Size vs. Canvas Size Canvas size increased to add a picture border

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Resampling Size Enlarged to 15 x 10 Resample On Resolution 72 Pixels 1080 x 718 File Size 2.22M Size Enlarged to 15 x 10 Resample Off Resolution 38.4 Pixels 576 x 383 File Size 646.3K Original Size = 8 x 5 Resolution = 72 Pixels 576 x 383 File Size 646.3K Document size enlarged Resample OFF Result: Lower resolution, same number of pixels, same file size Document size enlarged Resample ON Result: Same resolution as original, greater number of pixels, larger size file.

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Pixelation Increase Resolution; Resample On Increased resolution Original image resolution When resolution is increased with resampling, pixels and file size increases, document size remains the same

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Pixelation Increase Resolution; Resample Off Increase resolution Original image resolution Increased resolution When resolution is increased without resampling pixels and file size remain the same, document size decreases.

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Raster Image: Pixel Color Variation Chalk Actual Pixels at 100% Chalk Magnified to 800% Chalk Magnified to 800%

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Pixelation

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Pixelation Vector Image: Lines, Curves, Points

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Pixelation Color Modes

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Color Settings sRGB Three Color Channel Best for Digital, Web, Monitor Display Photoshop Color Settings Default sRGB

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. File Formats File Format Menu

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Activity: Working with Image Size Pixels of original image zoomed to 200% Pixels of reduced and resampled image zoomed to 200%

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Digital Capture of Grayscale Pixels CCD converts analog light into grayscale pixels

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Info Panel Grayscale Values RGB grayscale values for an area of the pink shirt as recorded by the digital camera.

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Adobe Bridge CS6 Photo Downloader

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Adobe Bridge CS6 Photo Downloader (Cont.)

OV Copyright © 2012 Logical Operations, Inc. All rights reserved. Reflective Questions 1. Now that you have been introduced to some of the basic elements and factors relating to digital images and devices, what information or Photoshop features did you find most valuable for use when working with images in the future? 2. Do you own or use a digital camera? What mode(s) are you most comfortable using?