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Installing CGAL: A Comprehensive Guide for Windows, Unix, and MacOS Users

Learn how to install the Computational Geometry Algorithms Library (CGAL) effectively on Windows, Unix-like systems, and MacOS. This guide covers all prerequisites, including compilers, CMake, and the Boost library. Follow step-by-step instructions for configuring and compiling CGAL, ensuring you have everything set up correctly. With CGAL’s powerful data structures and geometry processing algorithms, you’ll gain easy access to efficient and reliable geometric computations essential for your projects. Visit the CGAL manual for more resources.

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Installing CGAL: A Comprehensive Guide for Windows, Unix, and MacOS Users

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  1. Yuanzhen Wang How to install CGAL

  2. What is CGAL • Computational Geometry Algorithms Library • “Provide easy access to efficient and reliable geometric algorithms in the form of a C++ library” • Current Version: • 3.6.1 • 3.7-beta1 • License • Open Source • OS • Windows, Unix-like systems and MacOS X

  3. What does CGAL offers • Data structures & Algorithms • Triangulations • Mesh generation • Geometry Processing • More on this link: http://www.cgal.org/Manual/latest/doc_html/cgal_manual/packages.html#Part:Polyhedra

  4. How to install CGAL • Prerequisites • Compilers • Cmake • Boost/Boostpro • Miscellaneous ( like QT) • Configuring CGAL • Compiling

  5. Prerequisites • Compiler • Visual Studio 2005 and/or Visual Studio 2008 • Cmake • A cross-platform software • Generate project solution file for different platforms • e.g. .sln file for Visual Studio; make file in linux • Boost • Powerful library for extending the C++ STL

  6. CMake • Download • http://www.cmake.org/cmake/resources/software.html • Install • Time • 5 min

  7. BoostPro • Download • http://www.boostpro.com/download/ • Install • Time • 2 hours • Depends on network speed

  8. Configuring CGAL • Reboot before configuring CGAL • Open Cmake-gui • Choose where is the CGAL source code • Choose where to put the project solution files

  9. Configuring CGAL • Click “configure” • Cmake will pop-up a windows to let you choose your compiler.

  10. Configuring CGAL • Hopefully, everything is OK. And you will see “Configuring done”

  11. Configuring CGAL • However, it's possible to see some error information. • e.g. can not find BOOST_INCLUDE_DIR • You have to add this entry manually. • Click “add entry” • Input the entry's name showed in the error message • Choose type of that entry • Give value to that entry

  12. Configuring CGAL • Then click “Configure” again. • The “Generate” button should be available now.

  13. Configuring CGAL • Go the directory which is input at the first step. • The .sln solution file should be there.

  14. Compiling CGAL • Simply open the CGAL.sln file. • Choose “Rebuild all”

  15. Compiling CGAL • Rebuid “INSTALL” separately • It completes two jobs: • Copy source codes • Copy compiled libs

  16. We’re done!

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