• 1. Computer Graphics
  • 1.1. Screen
    • 1.1.1. Have a Look!
    • 1.1.2. Pixels and Resolution
    • 1.1.3. Coordinate System of a Screen
    • 1.1.4. Unit-Summary
  • 1.2. Colours
  • 1.3. Rasterisation
  • 1.4. Anti-Aliasing
  • 1.5. Geometric Transformations
  • 1.6. Curves
  • 1.7. Paths
  • 1.8. Self Assessment
  • 1.9. Summary
  • 1.10. Recommended Reading
  • 1.11. Glossary
  • 1.12. Bibliography
  • 1.13. Metadata

1.1.3. Coordinate System of a Screen

The coordinate system of the screen is a cartesian coordinate system. The origin (0,0) is at the top left of the screen. Positive x increases toward the right and positive y increases toward the bottom.

Coordinate system of a screen

The pixels are always centred around the grid points.

Update: 26.1.2012 (eLML) - Contact - Print (PDF) - © CartouCHe 2004-2007 (Creative Commons) - layout based on YAML