vtksys/Configure.hxx

Support
1

Hello,
I’m creating a C++ application that can read images and display/render them.
Adding the this header #include <vtk-9.3/vtkImageReader2.h> on one of my hpp file generates the following error:

/usr/local/include/vtk-9.3/vtksys/SystemTools.hxx:6:10: fatal error: vtksys/Configure.hxx: No such file or directory
    6 | #include <vtksys/Configure.hxx>

what is this Configure.hxx file? how to fix that?

Thanks in advance!

2

You’re missing VTK’s include directories. You should have them set up via CMake and, failing that, your code needs to have #include <vtkImageReader2.h> and the vtk-9.3 part provided via -I.

3

Provided that you are using CMake, you can do something along the lines of

cmake_minimum_required(VERSION 3.8)

project(YourProjectName
  LANGUAGES
  CXX)

find_package(VTK 9.3 REQUIRED COMPONENTS
  IOImage
  # other packages that you need
)
add_executable(${PROJECT_NAME} main.cpp)
target_link_libraries(${PROJECT_NAME} PRIVATE 
${VTK_LIBRARIES})
4

Many thanks for your reply!

I’m completely lost now with VTK, I dont know what I’m missing here. I know in the past it was not easy to setup.
I have built this time VTK8 instead of VTK9 for future dev with Qt library and I used CMake gui version.
I’m developing on a Linux machine and I’m using vscode as IDE.
I included all necessary headers, well part of them, in tasks.json file

				/* VTK includes */
				"--include-directory=/home/massilinux/VTK8/src/**",
				"--include-directory=/home/massilinux/VTK8/build/**",
                "--include-directory=/home/massilinux/VTK8/src/Interaction/Image",
                "--include-directory=/home/massilinux/VTK8/src/Rendering/Core",
                "--include-directory=/home/massilinux/VTK8/src/Common/ExecutionModel",
                "--include-directory=/home/massilinux/VTK8/src/IO/Image",
				"--include-directory=/home/massilinux/VTK8/src/Common/Core",
				"--include-directory=/home/massilinux/VTK8/build/Common/Core",
				"--include-directory=/home/massilinux/VTK8/build/IO/Image",
				"--include-directory=/home/massilinux/VTK8/build/Common/ExecutionModel",
				"--include-directory=/home/massilinux/VTK8/build/Interaction/Image",
				"--include-directory=/home/massilinux/VTK8/build/Rendering/Core",
				"--include-directory=/home/massilinux/VTK8/build/Filters/Core",
				"--include-directory=/home/massilinux/VTK8/build/Utilities/KWIML",
				"--include-directory=/home/massilinux/VTK8/src/Utilities/KWIML/vtkkwiml/include/kwiml",
				"--include-directory=/home/massilinux/VTK8/src/Utilities/KWIML/vtkkwiml/",

All these includes seems laborious and the compilation still complain about missing header such as:

/home/massilinux/VTK8/build/Utilities/KWIML/vtk_kwiml.h:19:10: fatal error: vtkkwiml/abi.h: No such file or directory
   19 | #include "vtkkwiml/abi.h"

I dont know why this header for reading just a PNG file. Any thoughts?

5

If I were you, I would simply clone the ImageViewer in the Examples/GUI/Qt directory. Check if this works with your Qt installation. The examples are self-contained and search for VTK and Qt. Remember that the Qt directory should be the lib/cmake/vtk-8 folder of your Qt build or your Qt installation.

6

I would also suggest that you install VTK before using it; you should only need a handful of include paths, not one per module.

KWIML is used to know what 64bit types (long, long long, __int64) are available.

8

Thanks for your reply,
This is my c_cpp_properties file

{
    "configurations": [
        {
            "name": "Linux",
            "includePath": [
                "${workspaceFolder}/**",
                "${workspaceFolder}/*",
                "/home/massilinux/VTK8/include/**",
                "/usr/local/Qt-5.15.2/include/**",
                "/usr/local/Qt-5.15.2/lib/**"
            ],
            "defines": [
                "_DEBUG",
                "UNICODE",
                "_UNICODE"
            ],
            "compilerPath": "/usr/bin/clang",
            "cStandard": "c17",
            "cppStandard": "c++17",
            "intelliSenseMode": "linux-clang-x64"
        }
    ],
    "version": 4
}

Is it enough ? because I’m still getting this error now:

/home/massilinux/Desktop/Project/ImageReader/ImageRead.hpp:18:10: fatal error: vtkImageReader2.h: No such file or directory
   18 | #include <vtkImageReader2.h>

here is my code where the error occurs

/// @headerfile External headers
#include <vtkImageReader2.h>

/// @brief 
namespace IMG
{
/// @brief 
/// @tparam T 
template < typename T = vtkImageReader2 >
class ImageRead : public IReader
{
public:
    /// @brief 
    ImageRead();
    /// @brief 
    ~ImageRead() = default;
    /// @brief 
    /// @param filepath 
    /// @return 
    auto setFileName(const char * filepath) -> void override;
    /// @brief 
    auto display() -> void override;
    /// @brief 
    /// @return 
    vtkAlgorithmOutput *getOutput() const override;
private:
    std::unique_ptr<T> mptr {nullptr};
};
} // namespace IMG
9

It’ll fail if vtkImageReader2’s module is not enabled (IO/Image).

10

I would really suggest that you use CMake. It will add the necessary include directories (they are many) both for VTK and Qt.