file types pro forma
TRANSCRIPT
Digital Graphics File Formats
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Raster Graphics
• a raster graphic is a graphic or image that is made up of small pixels or point of colour this means that it can be stored in a variety of different ways but when enlarging will become pixelated and lose its detail.
Vector Graphics
• vector graphics work differently from raster graphics this is because they work in lines or paths as they are sometimes called this allows enlarging with ought having the problem of pixillation tis type of graphic is mainly used of rethinks like billboards where pictures need to be blown up so they can fit the billboard.
Raster Graphics
JPEGStands For joint photographic experts group
Used For/Example storing images on the web swell as in digital cameras
Advantage small file easy to download and see online
Disadvantage poor image quality when enlarged
TIFFStands For Tagged Image File Forma
Used For/Example special occasions or fine art images.
Advantage better image quality than a jpeg.good for editing
Disadvantage very large file sizepixilation when enlarged as it is a raster graphics file format.
GIFStands For graphic interchange format
Used For/Example due to its wide availability it is mainly used on the internet.
Advantage easy to storecan be animatedgood for images with limited colour
Disadvantage large file size enlarging creates pixilationnot good for photographs
BMPStands For Bitmap graphics
Used For/Example photographsgraphics with wide ranges of colours
Advantage these files may be easily createdgood photo quality
Disadvantage limited to rgb imagesnot detailed when compressed or expandednoy supported well on multiple platforms
Vector Graphics
PSDStands For photoshop document
Used For/Example photoshop
Advantage can edit in photoshopgood quality even when enlarging
Disadvantage can only open in photoshop
AIStands For Adobe Illustrator
Used For/Example logo creation
Advantage good quality even when enlarged
Disadvantage big file size
FLAStands For Flash File
Used For/Example animation and games
Advantage good quality files with small size for easy downloadcan include sound and video
Disadvantage limited in why it can do.
WMFStands For Windows metafile
Used For/Example logosbillboards
Advantage can be expanded to huge image with ought loosing detailcan contain both bitmap and vector components
Disadvantage big files meaning slow download from internet.
File Format Capture and Optimising
CompressionDefinition compress an image or make an image
smaller in size
Advantage easy to redownload as small file
Disadvantage upon re sizing the image will become pixelated and loose its detail
Image CaptureMethod Scanner
scanners are used to scan 3d object into a computer creating a 2d image of the
object
Method Camera
cameras are used by both public and professionals alike to capture images as
the photographer sees it.
Method Graphics Tablet
a graphics tablet is a tablet in which you can draw on and use like a pen and paper.
OptimisingWhy would you optimise? to make sure that images are easy to view
on the web
How can you optimise? the most used way of optimising is by using photoshop and “image size”
Advantage to optimising makes optimised images very easy to download of the internet
Disadvantage to optimising when downloaded the image will be much smaller or in less detail than it was when it was taken