Houdini tooling to import GIFT files and create animations for Matt Parkers 2021 500 LED Xmas Tree (youtube, github).
Tested with Houdini 19.
Install the asset library (otl/xmas_tree_tools.hdanc) and you will find the tools in the SOP context tab menu under "Xmas Tree".
See examples/xmastree2021_for_houdini_sample.hipnc for a usage example and explanations.