1. Rendering Process of producing “realistic” images or pictures
Elements:
Electromagnetic Radiation
Materials (optical properties)
Human visual system
Light
Eyes (Detectors)
Light-Material interaction

2. Rendering Classification
1. Photo-Realistic Rendering - Electromagnetic/Quantum Theory
2. Non-Photo-Realistic Rendering
3. Scientific Visualization Rendering
2. Techniques
2.1 Surface Rendering
2.2 Volume Rendering
2.3 Image Based Rendering
2.4 Texture Based Rendering

3. Photo-Realistic Rendering

4. Texture Effects

5. Reflection, Shadows and Refraction effects

6. Non-Photorealistic Rendering

7. Scientific Visualization Rendering

8. Volume Rendering
Voxels
Display
Ilumination Model
Data Structurel

9. Volume Rendering Espectral

10. Texture Based Rendering

11. Image-Based Rendering

12. Image-Based Rendering

13. Light-Surface Interaction
Absortion, Reflexion and Transmission
Reflexion: Diffuse and Specular
Simple Model
Ambient Contribution:

14. Shading for Polygonal Surfaces
Flat Shading
Simple Local Ilumination Model:

15. Gourand Shading

16. Phong Shading

17. Shading Stytes
Faceted Gouraud Phong

18. 3D Visualization Model: Without transparency, shadows and global effects
Clipping 3D
Hidden Surfaces
Projection
Clipping 2D
Scan conversion
Shadding for each pixel
Display the result

19. Global Illumination Model by Ray Tracing

20. Rendering Effects Refraction Shadows
Light source, spectral effects, etc

21. Texture Effects

22. Ray Tracing with Global Illumination Model
Reflection, Shadows and Refraction effects