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Adjustment Layers

The Visual Dictionary of Pre-Press & Production

AVA Publishing, 2010

eBook

...Here, the base image is left unchanged, underneath an adjustment layer that has added colour to the image. Additional adjustment layers can further alter the image while leaving the original intact.A layer used for making changes...

DPI / PPI / LPI / SPI

The Visual Dictionary of Pre-Press & Production

AVA Publishing, 2010

eBook

...DPI (dots per inch) refers to the number of dots produced by a printer. For example, in lithography, 300dpi is standard. When a printer requests an image at a certain dpi, they actually mean ppi (see below). PPI (pixels per inch...

Vector

Mark Wigan

Mark Wigan was subject leader for illustration at Camberwell College, UK, and later for Graphic Design at the University of Salford, UK. He is currently a lecturer in illustration at Hull College, UK. Author affiliation details are correct at time of print publication.

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The Visual Dictionary of Illustration

AVA Publishing SA, 2009

eBook

...The vector image (top, left) and its detail, show how enlarging does not degrade quality. The vector is made of mathematical points and is scalable. The raster image (above, left) however, degrades when enlarged as it is made of squares...

Noise

Gavin Ambrose

Gavin Ambrose is an author, educator and practicing graphic designer whose client base includes the art sector, galleries, publishers and advertising agencies. He has written and designed numerous books on graphic design, branding and packaging. He currently teaches the Graphic Design BA at the University of Brighton. Author affiliation details are correct at time of print publication.

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Paul Harris

Paul Harris is a freelance writer and editor. His work has appeared extensively in magazines and journals in both the US and the UK. Author affiliation details are correct at time of print publication.

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The Visual Dictionary of Graphic Design

AVA Publishing SA, 2007

eBook

...Random and unobtrusive degradation of digital image quality. Often used to replicate the grain of photographic film in order to give a gritty cast to an image. Noise adds a raw and spontaneous element to an image, suggesting immediacy...

Raster

Gavin Ambrose

Gavin Ambrose is an author, educator and practicing graphic designer whose client base includes the art sector, galleries, publishers and advertising agencies. He has written and designed numerous books on graphic design, branding and packaging. He currently teaches the Graphic Design BA at the University of Brighton. Author affiliation details are correct at time of print publication.

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Paul Harris

Paul Harris is a freelance writer and editor. His work has appeared extensively in magazines and journals in both the US and the UK. Author affiliation details are correct at time of print publication.

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The Visual Dictionary of Graphic Design

AVA Publishing SA, 2007

eBook

...An image format in which information is stored in a grid of pixels and the colour of each pixel is individually defined. Also called bitmaps, raster images are not scalable because they have a fixed resolution. Pictured is a raster image...

Vector

Gavin Ambrose

Gavin Ambrose is an author, educator and practicing graphic designer whose client base includes the art sector, galleries, publishers and advertising agencies. He has written and designed numerous books on graphic design, branding and packaging. He currently teaches the Graphic Design BA at the University of Brighton. Author affiliation details are correct at time of print publication.

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Paul Harris

Paul Harris is a freelance writer and editor. His work has appeared extensively in magazines and journals in both the US and the UK. Author affiliation details are correct at time of print publication.

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The Visual Dictionary of Graphic Design

AVA Publishing SA, 2007

eBook

...An image that contains many individual and scalable objects that are defined by mathematical formulae. Vector graphics can be displayed at any size and are resolution independent, but they are unsuitable for reproducing the subtle...

Digital Printing

The Visual Dictionary of Pre-Press & Production

AVA Publishing, 2010

eBook

...The reproduction of digital material on a physical surface without the use of printing plates. Digital printing is a highly flexible method that differs from traditional printing techniques, such as lithography, flexography, gravure...

JPEG

The Visual Dictionary of Pre-Press & Production

AVA Publishing, 2010

eBook

...The insert shows the available options for saving a JPEG. Images are saved uncompressed to maintain maximum quality and avoid the appearance of jaggies.A digital file format that contains 24-bit colour information – such as 6.7 million...

RAW

The Visual Dictionary of Pre-Press & Production

AVA Publishing, 2010

eBook

...A file format used for storing high-quality photographic digital images. A RAW file contains a very high degree of colour information. The RAW format is a lossless format that records all the information present when the photograph...

Resolution

Gavin Ambrose

Gavin Ambrose is an author, educator and practicing graphic designer whose client base includes the art sector, galleries, publishers and advertising agencies. He has written and designed numerous books on graphic design, branding and packaging. He currently teaches the Graphic Design BA at the University of Brighton. Author affiliation details are correct at time of print publication.

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Paul Harris

Paul Harris is a freelance writer and editor. His work has appeared extensively in magazines and journals in both the US and the UK. Author affiliation details are correct at time of print publication.

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The Visual Dictionary of Graphic Design

AVA Publishing SA, 2007

eBook

...The amount of information contained in a digital image. The higher the resolution the more information the image has and therefore the more detailed it is. Higher resolution also means an image can be reproduced at a large scale without...