This document discusses key concepts in digital graphics and design including: Vector graphics use mathematical equations to represent images while raster graphics use a grid of pixels. Anti-aliasing tricks the eye into perceiving jagged edges as smooth. File formats like JPEG, GIF, TIFF, EPS, PSD, and PDF are used to encode images for storage with different formats suited to different types of images. Color models also differ between RGB used for computer displays and CMYK used for printed materials. Adobe Photoshop, Illustrator, and InDesign are prominent design software, with Photoshop allowing image editing and the others specialized for vector graphics and page layout respectively.

1. BTec Level 3
Extended Diploma in Creative Media Production

2. BTec Level 3
Extended Diploma in Creative Media Production
Vector and Rector Images.
Vector graphics is the use of geometrical primitives such as points,lines,curves, and
shapes or polygons which are all based on mathematical equations, to represent
images in computer graphics.
A raster graphic (bit-map) is a data structure representing a generally rectangular
grid of pixels, or points of colour viewable via a monitor, paper or other display
medium.
A vector
A raster
graphic
graphic

3. BTec Level 3
Extended Diploma in Creative Media Production
HA1 - Technical File – Carrie Deans.
Antialiasing
Anti-Aliasing is a method of tricking the eye that a jagged edge is really smooth.
Anti-Aliasing is often referred in games and on graphics cards. In games especially
the chance to smooth edges of the images goes a long way to creating a realistic
3D image on the screen.

4. BTec Level 3
Extended Diploma in Creative Media Production
Image at left hasFilehigher pixel count
HA1 - Technical a – Carrie Deans.
than the one to the right, but is still
Resolution
of worse spatial resolution
Image resolution describes the detail an image holds. The term applies to raster
digital images, film images, and other types of images. Higher resolution means
more image detail.
Image on the right has higher
resolution than the image on the
left.

5. BTec Level 3
Extended Diploma in Creative Media Production
HA1 - Technical File – Carrie Deans.
Aspect Ratio
The aspect ratio of an image is the ratio of the width of the image to its
height, expressed as two numbers separated by a colon. The most common
aspect ratios used today in the presentation of films in movie theaters are
1.85:1 and 2.39:1. Two common videographic aspect ratios are 4:3 (1.33:1),
the universal video format of the 20th century and ; 16:9 (1.77:1), universal
for high-definition television and European digital television.

6. BTec Level 3
Extended Diploma in Creative Media Production
HA1 - Technical File – Carrie Deans.
File Formats.
A file format is a particular way that information is encoded for storage in a computer file.
For Example- Gif, Jpeg, Tiff, Eps, PSD and PDF.
A Gif is a Graphics Interchange Format - Images using a fixed colour palette. The GIF
format uses compression for smaller files and faster downloads. This format is best for
images with solid colours or areas of uniform colour such as illustrations and logos.
A Jpeg JPEG - Joint Photographic Experts Group - Used for photographic images. Unlike
GIF files the JPEG format can take advantage of the full spectrum of colours.
TIFF - Tagged-Image File Format - Used for bitmaps only. The TIFF format is supported
by virtually all graphics applications.
EPS - Encapsulated PostScript- A file format used for both vector graphics and bitmaps.
EPS files contain a PostScript description of the graphic data within them. EPS files are
unique in that you can use them for vector graphics, bitmap images, type or even entire
pages.
The Adobe Portable Document Format (PDF) is used for publishing electronic documents
to be distributed over the Internet and other online services.
A PSD (Photoshop Document) is a file created and saved in Adobe Photoshop, a graphics
editing software. It is a proprietary file that still contains layers.

7. BTec Level 3
Extended Diploma in Creative Media Production
HA1 - Technical File – Carrie Deans.
Colour models-
A color model is an abstract mathematical model
describing the way colours can be represented as
tuplesof numbers, typically as three or four values or
colours components.
The different colour formats are RGB and CMYK.
RGB is an Additive colour model RGB COLOUR
For computer displays MODEL.
Uses light to display colour
Colours result from transmitted light
Red+Green+Blue=White.
CMYK is an Subtractive colour model
For printed material
Uses ink to display colour
Colours result from reflected light
Cyan+Magenta+Yellow=Black
CMYK COLOUR
MODEL.

8. BTec Level 3
Extended Diploma in Creative Media Production
HA1 - Technical File – Carrie Deans.
Adobe Photoshop
Adobe Photoshop is a graphics editing program developed and published by Adobe
Systems Incorporated.
Some of its features include: Crop an image, Moving an image on to the background of
another image, changing the colours of an image and changing the shape and size of an
image.

9. BTec Level 3
Extended Diploma in Creative Media Production
HA1 - Technical File – Carrie Deans.
Adobe Illustrator
Adobe Illustrator is a vector graphics editor developed and marketed by
Adobe Systems. Illustrator is similar in scope, intended market, and
functionality to its competitors, CorelDraw and Macromedia FreeHand.

10. BTec Level 3
Extended Diploma in Creative Media Production
HA1 - Technical File – Carrie Deans.
Adobe InDesign
Adobe InDesign is a software application produced
by Adobe Systems. It can be used to create works
such as posters, flyers, brochures, magazines,
newspapers and books

11. BTec Level 3
Extended Diploma in Creative Media Production
Bibliography.
Vector Graphics; http://en.wikipedia.org/wiki/Vector_graphics
Raster Graphics; http://en.wikipedia.org/wiki/Raster_graphics
Antialiasing; http://www.pantherproducts.co.uk/Articles/Graphics/anti_aliasing.shtml
Antialiasing Image;
http://www.google.co.uk/search?um=1&hl=en&safe=active&tbm=isch&sa=X&ei=O_R6TryUE8bO0QWRpMyjAw&ved=0CDoQBSgA&q=Anti+Aliasing&spell=
Antialiasing image 2;
http://www.google.co.uk/search?um=1&hl=en&safe=active&tbm=isch&sa=X&ei=O_R6TryUE8bO0QWRpMyjAw&ved=0CDoQBSgA&q=Anti+Aliasing&spell=
Resolution; http://en.wikipedia.org/wiki/Image_resolution
Resolution second image;
http://www.google.co.uk/search?hl=en&q=image+resolution&bav=on.2,or.r_gc.r_pw.&biw=1280&bih=827&wrapid=tlif131668147262210&um=1&safe=active
File formats; http://en.wikipedia.org/wiki/File_format
Colour model info and images; http://en.wikipedia.org/wiki/Color_model
Info on photoshop- http://en.wikipedia.org/wiki/Adobe_Photoshop
Image on photoshop- http://en.wikipedia.org/wiki/File:Photomontage_(Forggensee_Panorama)_-2.jpg
Adobe illsustrator http://en.wikipedia.org/wiki/Adobe_Illustrator
Adobe indesign http://en.wikipedia.org/wiki/Adobe_InDesign
Information from slide 7 and pictures taken from teachers example.