Simulating Dynamic Flags on a Boat – GeoTracker for Houdini Tutorial
KeenTools
Jul 31, 2026 10:51
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Chapters
Tracking a fast-moving speedboat in GeoTracker for Houdini and integrating dynamic 3D flags with Vellum. This workflow breakdown covers both camera and geometry tracking, smoothing track data with CHOPs, Vellum simulation, and final rendering setup — all in Houdini.
Huge thanks to David Torno (@vfxman222) for creating this awesome workflow breakdown and preparing the materials for this video!
Download GeoTracker for Houdini: https://link.keentools.io/gth-tut-sb
Project examples for quick tests: https://keentools.io/help/examples
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