MedicalVisualization

OpenGL Terminology

Graphic Concepts | | OpenGL Pipeline

  • 3D stream processor
    • graphics chip
    • GPU (Graphics Processing Unit)
  • 3D graphics data
    • Scene, World: Composition of all objects to be rendered
    • World coordinates: Common global coordinate system of all objects
    • Object: Freely movable unit of the scene
    • Object coordinates: Local coordinate system of a single object
    • Camera coordinates: Local coordinate system of the camera
    • Transformation: Mapping from one coordinate system to another one
    • Primitive: smallest graphical 3D unit, that can be handled by the graphics hardware (e.g. triangle)
    • Vertex: attributed corner point of a graphical primitive
    • Fragment: attributed raster point of a graphical primitive
    • Pixel: Picture element = colored raster point


Graphic Concepts | | OpenGL Pipeline

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