Python-Raytracer

A basic Ray Tracer that exploits numpy arrays and functions to work reasonably fast compared with a pure Python implementation. The code is written keeping as much readability as possible.

• [x] Refraction
• [x] Thin film interference
• [x] Textures
• [x] Monte Carlo Ray Tracing with importance sampling

Installation

Just clone or download this repo. You'll need to install two packages.

1. Pillow is a fork of the PIL package. It provides the Image module for this application. to install it run the following.

   pip install pillow

2. Numpy is a scientific package that helps with mathematical functions.

   pip install numpy

Examples

See the examples to see how to render the following images:

python example1.py

python example2.py

python example3.py

python example4.py

python example_cornell_box.py

Some animations: https://www.youtube.com/watch?v=vt9vAcZQT4A

A basic version of this raytracer can be found here: https://www.excamera.com/sphinx/article-ray.html

A C++ version of this raytracer can be found here: https://github.com/rafael-fuente/sightpy-weekend-raytracer