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Demetri Spanos – Foliated Distance Fields – BSC 2025

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Demetri Spanos

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Description

This Better Software Conference 2025 talk by Demetri Spanos is a recorded conference presentation titled around foliated distance fields. It is one free YouTube video of a live BSC session with Q and A, not a written paper.

It covers signed distance fields versus level sets, SDF rasters and bilinear limits, why MSDF improves glyphs without widening the problem class, and a small mathematical experiment that extends glyphs with continuous monotonic pen transitions using a foliation-style index over distances. The speaker emphasizes scope control and practical simplifications such as storing an extra pen-state value instead of heavy theory.

It is for intermediate systems, graphics, and math-curious programmers who know basic SDFs for text or icons and want insight into how computational mathematicians explore small extensions. Heavy differential geometry is intentionally avoided.

Access is a free YouTube upload from the Better Software Conference channel, including introduction, talk, and audience questions.

It is useful as a conference talk that demystifies math-driven graphics experiments while staying grounded in SDF practice rather than shipping a production renderer.