TAILIEUCHUNG - Lecture Computer graphics - Chapter 1: Introduction Computer Graphics

This chapter presents the following content: Basic graphics system, grahpics areas, the programmer’s interface, object specification, raster graphics, display technologies, major applications,. | Introduction Computer Graphics 1 Computer Graphics Computer graphics deals with all aspects of creating images with a computer Hardware Software Applications 2 Basic Graphics System 3 Input devices Output device Image formed in Frame Buffer 3 Grahpics Areas 4 Modeling Rendering Animation User interaction Virtual reality Visualization Image processing 3D scanning Computational photography The Programmer’s Interface Programmer sees the graphics system through an interface: Application Programming Interface (API) 5 Object Specification Most APIs support a limited set of primitives including Points (1D object) Line segments (2D objects) Polygons (3D objects) Some curves and surfaces Quadrics Parametric polynomial All are defined through locations in space or vertices 6 Example glBegin(GL_POLYGON) glVertex3f(, , ); glVertex3f(, , ); glVertex3f(, , ); glEnd(); 7 type of object location of vertex end of object definition Modeling Package Digital Content Creation

• Đồ họa - Thiết kế - Flash
• Computer graphics
• Đồ họa máy tính
• Lecture Computer graphics
• OpenGL programming
• Đồ họa 2D
• Graphical User Interfaces
• Interactive computer graphics
• Interactive computer
• A graphics system
• Graphics system
• Graphics programming
• Bài giảng Đồ họa máy tính
• Graphics systems
• Monochrome adaptor
• Color graphics adaptor
• Video display devices
• Raster scan systems
• Drawing elementary figures
• Interactive graphics
• Passive graphics
• Geometric modeling
• Computer graphics applications
• Mathematics of parametric equations
• Display devices
• Colored displays
• Graphics applications
• Layout design
• Architectural simulations
• Text mode colors
• Graphics mode colors
• Video memory directly
• Computer forensics
• Computer investigations
• Computer forensics and investigations
• Recovering graphics files
• Graphics file
• Vector graphics
• Programmable shaders
• Procedural methods
• Advanced rendering