# Installation instructions for Ubuntu 24.04

  1. Install packages

     * ```sudo apt-get update```
     * ```sudo apt-get install g++ cmake git cmake-extras```
     * ```sudo apt-get install libqt6opengl6t64 libqt6openglwidgets6t64 libqt6svg6 libqt6widgets6t64 libqt6xml6t64 qt6-base-dev qt6-svg-dev```
     * ```sudo apt-get install libboost-dev libboost-program-options-dev```
     * ```sudo apt-get install libgmp-dev libmpfr-dev zlib1g-dev libeigen3-dev```

  2. Download code

     * ```cd```
     * ```git clone https://github.com/CGAL/cgal.git```
     * ```cd cgal```
     * ```git checkout b0e2e44894e5615e30dd53e2b9556970e061f781``` *# CGAL master version on july 17th 2025*
     * ```cd ..```
     * ```git clone https://gitlab.liris.cnrs.fr/gdamiand/generic-query-modify```
     * ```cd generic-query-modify```

  3. Compile the three programs ```tet2hex```,  ```query_replace_multiple_cells``` and ```generate-terrain```

     * ```mkdir builds```
     * ```cd builds```
     * ```mkdir release```
     * ```cd release```
     * ```cmake -DCMAKE_BUILD_TYPE=Release -DCGAL_DIR=../../../cgal/ ../../```
     * ```make```

  4. Then follow [RUN.md](RUN.md) for running instructions allowing to reproduce some results of the paper.