This directory contains the Gmsh C++ tutorials, written using the Gmsh C++ API.
To compile and run the C++ tutorials, you need the Gmsh dynamic library and the
associated header file (`gmsh.h'). These can be either obtained
- from the binary Software Development Kit (SDK) available on the Gmsh website
https://gmsh.info/bin/, for Windows, Linux and macOS. Download and uncompress
the relevant gmsh*-sdk.* archive for your operating system. To compile the
first tutorial, assuming that you are currently in the root directory of the
SDK and that you are using the g++ compiler:
g++ -o t1 -Iinclude share/doc/gmsh/tutorial/c++/t1.cpp -Llib -lgmsh
Then run
./t1
If your compiler has a different ABI than the compiler used to generate the
binary SDK (see the top-level `README.txt' file in the SDK for additional
information), you should use the `gmsh.h_cwrap' header instead of `gmsh.h'.
For example, to compile a C++ example with Microsoft Visual Studio 2017 in the
Visual Studio shell:
C:\gmsh-git-Windows64-sdk> ren include\gmsh.h gmsh.h_original
C:\gmsh-git-Windows64-sdk> ren include\gmsh.h_cwrap gmsh.h
C:\gmsh-git-Windows64-sdk> cl /Iinclude share\doc\gmsh\tutorial\c++\t1.cpp lib\gmsh.lib
C:\gmsh-git-Windows64-sdk> cd lib
C:\gmsh-git-Windows64-sdk\lib> ..\t1.exe
- by compiling the Gmsh source code. Follow these steps in the top-level
directory of the Gmsh source code:
mkdir build
cd build
cmake -DENABLE_BUILD_DYNAMIC=1 ..
make
make install
cd ..
Then, assuming that you are using the g++ compiler:
g++ -o t1 t1.cpp -lgmsh
./t1
For other C++ API examples, see the `demos/api' directory.
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