Pixels
- Short for Picture element
- Smallest possible component of a digital image
- Each pixel has positional information and intensity information
Intensity Information - the intensity of the colour within the pixel (RBG or CMYK)
Resolution - Number of pixels within a given area
Raster Graphics
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Example of enlarging a raster graphic
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- Also known as bitmap graphics
- Cannot scale up without loss of quality
- Good for photographs
- Larger file size than a vector graphic
- Used extensivley on the internet
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Logo produced using Vector Graphics |
Vector Graphics
- Based on instructions
- Smaller file size than Raster
- Made up of curves/vectors
- Used for logos/fonts
- Used for illustration
- No Loss of quality if enlarged, regardless of how big
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Vector Vs Raster |
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