1. Core Functionality¶

Core functionality examples¶
Name	Description	Preview
Ray Intersection Points	Tracking of and visualisation of where rays intersect with objects in the scene.
Point Inside A Material	Finding all primitives which contain a test point.
Energy conservation	Checking all emitted light is collected correctly on a 3D enclosing surface.
Multiple Importance Sampling	The classic multiple importance sampling demo re-implemented from E. Veach’s PhD thesis.

2. Materials¶

Examples of the different material properties available¶
Name	Description	Preview
Emissive colours	Simple coloured emissive materials.
Diffuse colours	Simple diffuse coloured materials.
Metals	Loading metal materials from the library.
Glass	Loading glass materials from the library.
Diamond	Making a diamond material.
Surface roughness	Material properties can be varied from smooth to rough with a material roughness modifier.
Anisotropic surface emitters	Make an anisotropic material with a custom emission function.
Custom volume emitters	Make a custom volume emitter with your own 3D function.
Tetrahedral volume mesh emitters	Make a tetrahedral volume mesh emitter.
Polar BRDF plots	Producing polar plots of material BRDFs.
3D surface BRDF plots	Producing 3D surface plots of material BRDFs.

Examples of the different types of observers¶
Name	Description	Preview
Cornell Box	An industry standard test scene for benchmarking ray-tracers. Also demonstrates how to setup and configure a basic pinhole camera in Raysect.
Orthographic camera	Using the orthographic camera.
Optical fibre	Spectral observations from an optical fibre.
Mesh Observers	Making observations on a mesh surface.
Making a camera 1	Making a camera from components.
Making a camera 2	Another example of making a camera from components.
Making animations	Looping over the observe loop whilst changing the position of primitives generates an animation.

Example scenes¶
Name	Description	Preview
Prism dispersion	White light is split into its component colours as it passes through a glass prism.
Etendue	Calculating the etendue of a pinhole with ray-tracing.