Spectral Ray Tracing

• mitsuba3

  14 1,847 9.3 C++

  Mitsuba 3: A Retargetable Forward and Inverse Renderer

  

Some examples of Spectral ray tracers

Mitsuba is an open source research renderer with lots of cool features like differentiable rendering. https://www.mitsuba-renderer.org/

Maxwell has two spectral modes of varying accuracy. The more complex method is often used for optics. https://maxwellrender.com/

Manuka by Wētā FX is spectral and has been used in several feature films https://dl.acm.org/doi/10.1145/3182161 and https://www.wetafx.co.nz/research-and-tech/technology/manuka

• Lambda

  2 63 2.6 C++

  Spectral Path Tracer (by TomCrypto)

If you want to look under the hood and find the big production ones like too complex, I can recommend peeking at this one. It's a great example example of just the minimum of a spectral path tracer https://github.com/TomCrypto/Lambda

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• pbrt-v3

  17 4,826 2.3 C++

  Source code for pbrt, the renderer described in the third edition of "Physically Based Rendering: From Theory To Implementation", by Matt Pharr, Wenzel Jakob, and Greg Humphreys.

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