dll, etc.) into an independent directory, and modifies the system environment variables for your convenience.īUILD_SHARED_LIBS: Check to build DLLs. While it is okay not to “install” VTK after building it - you can simply reference the build directory - the installation process extracts the “essence” of the built VTK files (.h. I changed the default path to a non-privileged location (C:/toolchain/VTK/VTK-8.2.0) so as to avoid dealing with permissions. CMake will first prompt you to choose the generator.ĬMAKE_INSTALL_PREFIX: This is rather important, as it sets the installation path of your compiled binaries. It is preferable to put the build directory outside the source directory.Ĭlick “Configure” to have CMake sort out the compilation variables. Set the “Where to build the binaries” blank to “C:/toolchain/VTK/VTK-8.2.0-bld”. Extract VTK code source to “C:/toolchain/VTK/VTK-8.2.0-src”. I put all of my dev tools under the same directory (C:\toolchain). Generate Visual Studio project using CMake This is for the Microsoft Visual C++ compilers, so be sure to select them during installation. Prerequisitesĭownload and install Visual Studio. There is also the VTK Mailing List if you’d like to reach out to the VTK community directly. In addition, the VTK Wiki contains lots of useful information. I assume this document gets the maintainers’ first attention whenever something is changed between releases. I found that the best guide for building the latest release is directly hosted on VTK’s development GitLab repository: build_windows_vs.md. In fact, by the time you saw this blog post, it has probably become outdated in many ways. This means that if you google “compile vtk” like I did, you will likely end up with obsolete tutorials. VTK is under active development by Kitware, Inc. Where to find the most up-to-date compiling/building guide? To build against VTK using C++, it’s better to compile directly from source code, which is available at vtk.org under BSD license. The Python bindings expose the VTK function signatures, but there are no equivalent C/C++ header files in this PIP-installed VTK directory. You can call methods within these DLLs through the Python bindings. On Windows, pip downloads pre-compiled DLLs into the “site-packages\vtk” directory of your Python distribution. VTK wheels for all major platforms are available. The easiest approach that I found to obtain pre-compiled binaries is through PyPI. These are my notes on compiling VTK 8.2.0 from source under Windows 10 after trial-and-error and copious amount of googling, for future reference I hope they can help you save some time, if you happen to be in the same shoes. I found its learning curve to be somewhat steep for a beginner, mostly due to the scarcity of up-to-date tutorials. For my own clinical project, I have recently started learning and using VTK. Perhaps lesser known, VTK provides a built-in high performance DICOM parser, because of its deep roots within the biomedical community. It is also the cornerstone of several advanced 3D-enabled biomedical applications, such as ParaView and 3D Slicer. The Visualization Toolkit (VTK) is the 3D engine behind many scientific visualization applications, such as MayaVi, the popular scientific data visualizer for Python.
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