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Topological Data Analysis Library for NDDAV System

Project description


Topological data analysis library for NDDAV (n-dimensional data analysis and visualization) system (


python3, swig3, numpy, cmake (3.12 or up), ANN (Approximate Nearest Neighbor, original repo:, for compiling with CMake:

The hdtopology library also incorporated the core functionality of the NGL library (developed by Carlos Correa) for empty region graph computation, the full NGL code base can be access at:


  1. Install (e.g., apt-get install libann-dev on linux, or port install ann on mac) or compile ANN library from source.

  2. Compile the hdtopology library and python wrapper:

mkdir build
cd build
cmake .. -DENABLE_PYTHON=ON -DANN_INCLUDE_DIR=path/to/ann/include -DANN_LIBRARY=path/to/ann/libANN.a
make install

Released under LLNL-CODE-772013

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