file type pro

1. Digital Graphics
File Formats
Your name here

2. Raster Graphics
• Raster graphics are images made up of bitmaps
• Bitmaps are made up of tiny cells called pixels.
• A Bitmap graphic is usually made up of pixels/bits of different colour
information. Because the images are made up of many pixels the image file
size can be quite large as every single pixel needs storing to the computer
make up the image.
• Bitmap images have a fixed resolution of 300 dpi (dots per inch). A problem
with Bitmap files is that when you resize a Raster graphic it can tend to lose
quality and cause distortion.
• In photographs image sizes are talked about in megapixels, this is the number
of pixels/bits the picture is split into. 1 Mega pixel = 1,000,000 and because of
the large quantities of information (pixels) used in pictures online images
online can become pixelated because the image has been compressed into
less megapixels
• Bitmap files are used for Photographs, short digital animations and Web
formats and can be saved as JPEG files, Tiff Files, Giff Files & BMP Files.

3. Vector Graphics
• Vector graphics are made up of vectors known as paths and strokes.
• Vectors are defined by a start and end point with curves, points and
angles between them.
• This means that the path can be a line, a triangle, a square or even
a curvy shape.
• It is possible to edit each object separately, for example, change the
shape, colour, size and position.
• Even if an object in a vector graphic is quite large, it doesn't need a
lot of computer memory. Therefore the file size of a vector graphic
is often very small.
• Vector graphics are scalable - ie when you resize them, they do not
lose quality. They are perfect for images that need to be both large
and small ie Company Logo.
• Vector Graphics can be saved as PSD files, AI files, Flash Files and
WMF files.

4. Raster Graphics

5. JPEG
Stands For Joint Photographic Experts Group
Used For/Example Photographs and Web Formats –
Used in Print industry
Advantage Easy to export and small in file size
Disadvantage Loses quality with multiple edits due to
compression and recompression each time
it is edited

6. TIFF
Stands For Tagged Image File Format
Used For/Example Desktop publishing
Used In Graphic Design
Advantage Adobe In Design docs saved as Tiffs can
save multi page documents to a single file.
Don’t lose any quality due to compression
as they have the option of Lossless
compression.
Disadvantage Large File sizes which use large amounts of
memory.

7. GIF
Stands For Graphics Interchange Format
Used For/Example Short animations on the internet
Facebook
Advantage Can produce a series of images in a loop
which appear as a short video
Can be inserted into a power point
Disadvantage They only animate in browsers that
support animated gifs
Low Quality

8. BMP
Stands For Bitmap Image File
Used For/Example Photographs, graphic images
Magazines & print media
Advantage No quality loss in compression gives clear
crisp images.
Disadvantage Large file sizes that cant be compressed

9. Vector Graphics

10. PSD
Stands For Photoshop Document
Used For/Example Image manipulation, magazine cover
design
Graphic Designers
Advantage Supports transparency
Saves layers, page formatting information
and Swatches etc.
Disadvantage PSD files tend to be extremely large
making them difficult to email or transfer

11. AI
Stands For Adobe Illustrator Art
Used For/Example Logo Creation and images that need to be
scalable.
Graphic Design
Advantage The images are scalable so can be made
big or small with no loss of quality
Disadvantage To create images some amount of skill or
training is require to master it

12. FLA
Stands For Flash File
Used For/Example Used to create animations and games
Games industry
Advantage Can produce high quality files with a small
file size
Can include sound and video
Disadvantage Compatibility problem viewing the
animations on certain devices

13. WMF
Stands For Windows Metafile
Used For/Example Used for logos
Graphic Design
Advantage Can be scaled big and small as vectors
have no loss in definition
Can contain BOTH vector and bitmap
components
Disadvantage Few applications support direct editing of
metafiles

14. File Format Capture
and Optimising

15. Compression
Definition Compression is the way in which a files
size is reduced
Advantage The advantage of compressing a file size is
that is smaller in size this means its takes
up less memory and is easier to export and
receive
Disadvantage Images become more pixelated as they are
compressed as they save smaller amounts
of pixels each time.

16. Image Capture
Method Scanner
How is it used for image capture of
graphics
You can digitise physical images like hand
drawn sketches, documents, photographs
and mixed media images.
Method Camera
How is it used for image capture of
graphics
Taking pictures
Method Graphics Tablet
How is it used for image capture of
graphics
This is is a piece of technology that
controls the mouse like a pen allowing
enhanced control of drawing, selection &
digital handwriting.

17. Optimising
Why would you optimise? To ensure easier viewing on the web.
Images load quicker when optimised as
their file sizes are reduced
How can you optimise? You can optimise an image by Reducing its
image size, bit depth (colour of individual
pixels) & resolution (amount of pixels
within image).
You can also optimise for the web buy
changing “image size” in photoshop.
Advantage to optimising Smaller file size faster to upload
Images easier to view online
Disadvantage to optimising Images can not be more than 500 pixels
wide

18. Storage

19. File Size
What could affect a Working Scale
(Photoshop) document file size?
The size of the image and the detail
within it.
How could you reduce the file size of a
Working Scale document without
affecting quality?
I would compress the image
What is an advantage of scaling up images
before exporting?
The advantage of scaling up images before
exporting is that when they receive the
image and scale it down it will be less
pixelated
What is a disadvantage of scaling up
images before exporting?
Large file size makes the image harder to
send

20. File Naming Conventions
What naming conventions could you use
when creating your video game assets?
• Name each file for each individual part
of the game/character also set up
separate files for separate sections.
Why is it a good idea to accurately name
your assets?
It is good to name files accurately and in
an ordered so they can be re found with
ease when needed and also filed correctly
for future use of yourself and others

21. Asset Management
Why would you use folders when storing
your assets?
I would use files when storing assets to
make assets fast and easy to find and
organised.
What folders would you create and what
would you save within them
I would create files for music, characters
and scenes and I would save them within a
Folder named with the project title.