Ray trace ellipsoid-shaped domes. Find intersection points and refract/reflect according to the refractive indices.
9 Stars
Updated Last
2 Years Ago
Started In
July 2017


Build status Build Status codecov.io

This Julia package allows for geometric ray tracing with ellipsoids (actually domes shaped as ellipsoids). It includes intersection and refraction/reflection of rays with arbitrary ellipsoids. It accomplishes that in about 100 lines of code thanks to heavy use of CoordinateTransformations.jl and StaticArrays.jl.

These ellipsoid-domes are defined with Ellipsoid (see details with help?> Ellipsoid). The normal and refractive indices are defined within the Interface type. These two are baked into a single OpticUnit.

Rays advance! to intersect with the Ellipsoids and bend! at the Interfaces. The raytrace! function includes these two actions, taking in a Ray and an OpticUnit, updating the location and direction of the ray.


  • add rotated ellipsoids
  • add more shapes, so it's not only RayTrace**Ellipsoid**

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