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"Evolutive" outputs can be obtained with the -s option, e.g. -s 1000 computes an analysis for every 1000 points.
Source code available at repository below.
Note: There are two branches, "main" contains a new swift package manager version, which can also be compiled for Linux/Windows, and "Accelerate" the original macOS specific one that uses the LinearAlgebra system library.
https://paloz.marum.de/bitbucket/scm/essp/hpnaff.git
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