Raster Graphics

What are Raster Images?  

- Raster images are pixel‑based graphics.  

- They are ideal for detailed visuals such as photographs.  

- Common formats: JPEG, PNG, GIF, BMP, TIFF.  

Characteristics of Raster Graphics  

- Pixel‑based: Composed of a grid of pixels, each storing colour information.  

- Resolution‑dependent: Quality depends on resolution (measured in DPI or PPI).  

- Editing limitations: Scaling can cause pixelation and loss of quality.  

Applications of Raster Graphics  

- Photography: Most digital photos are raster images captured by cameras.  

- Web graphics: Widely used in web design and digital media, optimised for screen display.  

Advantages of Raster Graphics  

- Realistic: Can represent complex photographic images and detailed visuals.  

- Familiarity: Supported across most software and platforms.  

Popular Raster Graphics Software  

- Adobe Photoshop  

- Corel Painter  

- Pixlr  

- Procreate  

- Clip Studio Paint  

- GIMP (GNU Image Manipulation Program)  

- Affinity Photo  

- Paint.NET  

- Krita  

- Photoshop Elements