By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with...
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![Page 1: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/1.jpg)
By
Philip
Lawson
Digital Imaging 5•The Basics - Scanning and Printing•The Master Image•Working with Layers•Working with Channels•Black and White
![Page 2: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/2.jpg)
Greyscale• By Black and White we really mean
a Monochromatic Greyscale Image• Or a Duotone• Or a Line Drawing
![Page 3: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/3.jpg)
Greyscale Printing• Printing Greyscale images is
Problematic• Printing in Colour Inks leads to
– Colour casts– Lack of decent blacks
• Printing in Black Ink leads to– Lack of decent gradation
• Best to use Greyscale Ink Printers– Differing density inks and– Differing dot sizes
![Page 4: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/4.jpg)
Greyscale• By Black and White we really mean
a Monochromatic Greyscale Image• Or a Duotone• Or a Tritone• Or a Line Drawing
![Page 5: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/5.jpg)
Creating Greyscale 1• Scan in Monochrome• “Image->Mode->Greyscale”• “Image->Adjust->Desaturate”• Copy a Channel to a New Greyscale
Image
![Page 6: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/6.jpg)
Creating Greyscale 2• Create a new Layer and Flood fill
with Filter Colour of your choice• Create a Hue/Saturation Adjustment
Layer and set Saturation to –100%• Manipulate Opacity to
obtain desired effect• Flatten Layers• Change Mode to Greyscale
![Page 7: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/7.jpg)
Adjusting Greyscale: Before• Almost all accurate adjustment is
done to Greyscale images with the Levels tools
![Page 8: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/8.jpg)
Adjusting Greyscale: After 1• Trim Dynamic Range and Contrast
![Page 9: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/9.jpg)
Adjusting Greyscale: After 2• Trim Printer Dynamic Range (Output
levels)
![Page 10: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/10.jpg)
Adjusting Greyscale: After 3• Curves can be used for greater
precision or special effects
![Page 11: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/11.jpg)
Tones 1• Toned prints can be made from
Greyscale images converted back to Colour
• Then Overlay a Colour Layer and Blend
![Page 12: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/12.jpg)
Tones 2• Alternatively, convert Greyscale to
Duotone and select ink colour and transfer function
• Use dark/dense inks
![Page 13: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/13.jpg)
Duotones 1• Duotones (and others) do not create
extra channels
![Page 14: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/14.jpg)
Duotones 2• Colours are mixed according to the
precise transfer functions created• Double click to edit function or
colour
![Page 15: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/15.jpg)
Line Art and Liths 1• Good Line Art requires very high
resolution scans• Line Art should ideally only be Black
and White – no Greys• Convert to Bitmap
– very poor
![Page 16: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/16.jpg)
Line Art and Liths 2• Add a Threshold Adjustment Layer
for much greater Control
![Page 17: By Philip Lawson Digital Imaging 5 The Basics - Scanning and Printing The Master Image Working with Layers Working with Channels Black and White.](https://reader035.fdocuments.net/reader035/viewer/2022062803/56649f575503460f94c7c6e3/html5/thumbnails/17.jpg)
Line Art and Liths 3• For more effects play with Blend
Modes and Opacity of Adjustment Layer
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End of Black and White
Photographs courtesy of Janet Edwards