lorentzo/IntroductionToComputerGraphics

About:

Introduction to Computer Graphics course made for DHBW, Mannheim, Winter/Spring 2023.

This course is mostly based on:

• Scratchapixel: https://www.scratchapixel.com/
• PBRT: https://pbrt.org/
• Real-Time-Rendering Book: https://www.realtimerendering.com/

Amazing projects done by students

• Ray-tracing with GLTF support using Rust: https://github.com/precompiledB/rei
• Blender modeling, animation and rendering: https://drive.google.com/drive/folders/1GCEoIqOUJ-KyT1ON3Yw87Xno3CoE5PDo
• Blender modeling, animation and rendering: https://github.com/Sandario/VaseOnTable
• Ray-tracing in Rust with CLI and configuration support: https://github.com/0x6e66/raytracer
• Ray-tracing: https://github.com/Code-Addiction/Project_Raytracing_Renderer
• Ray-tracing: https://gitlab.com/simon-sp/raytracing
• Ray-tracing: https://github.com/EinePriseCode/Rendering
• 2.5D rendering engine with features: https://github.com/0x7477/2.5D-Engine
• Blender modeling: https://drive.google.com/drive/folders/15nLf2M1pDCEnkyPPuoP1sZsRVdAYcbPG

News and updates for lectures:

Exam: 29.3.2023., 16h, Raum 136.1B

Project deadline: 8.4.2023., 23:59h

• 1.2.2023. document

  • Grading, Projects, Exam, Errata, Email
  • 3D cloth, 3D characters, path and ray tracing

• 8.2.2023. document

  • New exam date (29.3.2023., 16h, Raum 136.1B), exam questions
  • Project documentation guidelines

• 15.2.2023. document

  • New exam date (29.3.2023., 16h, Raum 136.1B)
  • Project deadline: 8.4.2023.
  • Homogeneous coordinates and look-at matrix and camera rays generation

• 22.2.2023. document

  • Exam date reminder: 29.3.2023., 16h, Raum 136.1B
  • Project reminder: 8.4.2023.

• 1.3.2023. document

  • height maps, texture atlas, ptex, camera lens

• 8.3.2023. document

  • perspective problems, XYZ colorspace

• 22.3.2023. document

  • Lecture evaluation
  • Exam reminder: 29.3.2023., 16h, Raum 136.1B
  • Project reminder: 8.4.2023., 23:59h

• 29.3.2023. document

  • Clipping, look at transform, hair modeling
  • Project reminder: 8.4.2023., 23:59h

Lectures

1. Introduction

• Computer graphics: what and why
• Glimpse of image synthesis
• Course organization

Introduction lecture presentation

Introduction lecture questions

2. Overview of image generation

Pillars of image generation

• 3D scene
• Rendering algorithm
• Image and display

Overview of image generation lecture presentation

Overview of image generation lecture questions

3. 3D scene overview

Foundational elements of 3D scene:

• 3D objects
  • Shape representation
  • Material
• Light sources
• Cameras

3D scene overview lecture presentation

3D scene overview lecture questions

4. Transforms

• 3D space
• Transformations
• Scene organization

Transforms lecture presentation

Transforms lecture questions

5. 3D objects: mesh shape representation

• Polygon mesh
• Subdivision surfaces
• Mesh and rendering
• Mesh data-structures
• Mesh modeling and acquisition

3D objects: mesh lecture presentation

3D objects: mesh lecture questions

6. 3D objects: parametric curves and surfaces, implicit surfaces

• Parametric curves
• parametric surfaces
• Implicit surfaces

3D objects: parametric curves and surfaces, implicit surfaces presentation

3D objects: parametric curves and surfaces, implicit surfaces questions

7. 3D Objects: material

• Material observation
• Physics (optics) models for CG
• Material models in CG
  • Scattering models

3D objects: material lecture presentation

3D objects: material lecture questions

8. 3D Objects: texture

• Texturing pipeline
• Image and procedural textures
• Texture and material modeling

3D Objects: texture lecture presentation

3D Objects: texture lecture questions

9. Light

• Light and color
• Real-world light sources
• Light models
  • Physical lights
  • Non-physical lights
  • Environment illumination
• Shadows

Light lecture presentation

Light lecture questions

10. Camera

• Real camera system
• Image formation
• Pinhole camera model
• Virtual pinhole camera

Camera lecture presentation

Camera lecture questions

11. Rendering overview

• Rendering big picture
• Practical rendering
  • Ray-tracing
  • Rasterization
• Intuition via ray-tracing

Rendering overview lecture presentation

Rendering overview lecture questions

12. Rendering: ray-tracing

• Ray-tracing overview
• Camera rays
• Intersections (visibility)
• Shading
• Light transport

Rendering: ray-tracing lecture presentation

Rendering: ray-tracing lecture questions

13. Rendering: rasterization

• Rasterization: the visibility solution core
• Graphics rendering pipeline: using rasterization for rendering
• Graphics rendering pipeline: logical GPU model, API

Rendering: rasterization lecture presentation

Rendering: rasterization lecture questions

14. Image

• Image-space effects
• Digital imagery
• Aliasing and anti-aliasing
• Scene to screen

Image lecture presentation

15. Animation (Optional)

• Traditional animation in computer graphics
• Procedural animation
  • Physically-based
  • Empirical

Advanced topics (Optional)

More on 3D scene

• Voxels

More on rendering

• Light transport for global illumination:
  • Monte-Carlo ray-tracing: path-tracing, bidirectional path-tracing, metropolis light transport, importance sampling, light sampling, BRDF sampling
  • Finite elements methods: radiosity
• Light transport for volumetric media: participating media and sub-surface-scattering

More on image

Outro

• Review
• Where to next?

Outro presentation

Projects

Ray-tracing based rendering from scratch

Project task and guide

Rasterization-based rendering, animation and interaction in three.js

Project task and guide

Modeling and animation in Blender

Project task and guide

Additional learning material

Wiki