[vtkusers] Can't generate executable file from Cone.cxx example

[Cory Quammen]

Paolo,

Did you get an error when configuring with ccmake? It looks like the VTK
include directories are not being set properly.

I would also recommend putting the example code and CMakeLists.txt file in
a directory outside your VTK build directory. I'm not sure that this is
causing the problem, but it is good practice to build dependent projects
outside the VTK build directory.

Also, in your CMakeLists.txt file, I think you can access your HOME
environment variable with

$ENV{HOME}

not

$HOME

Thanks,
Cory

On Fri, Jul 17, 2015 at 6:56 AM, Paolo Grossi <smoldino at gmail.com> wrote:

> Greetings to the whole community of VTK,
> I'm a newbie user!
>
> After the installation of VTK on my PC (Ubuntu 14.04.2), I was trying to
> run the example linked here:
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/GeometricObjects/Cone
> During the installation I selected the "BUILD EXAMPLE" option.
> I also unselected the "BUILD SHARED LIBS" option, because I can't proceed
> with the installation if I had selected it.
>
> My steps were:
> 1) created the file Cone.cxx into the directory
> "$HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CmakeFiles/Cone.dir" with the
> text:
>
> #include <vtkConeSource.h>
> #include <vtkPolyData.h>
> #include <vtkSmartPointer.h>
> #include <vtkPolyDataMapper.h>
> #include <vtkActor.h>
> #include <vtkRenderWindow.h>
> #include <vtkRenderer.h>
> #include <vtkRenderWindowInteractor.h>
>
> int main(int, char *[])
> {
>   //Create a cone
>   vtkSmartPointer<vtkConeSource> coneSource =
> vtkSmartPointer<vtkConeSource>::New();
>   coneSource->Update();
>
>   //Create a mapper and actor
>   vtkSmartPointer<vtkPolyDataMapper> mapper =
> vtkSmartPointer<vtkPolyDataMapper>::New();
>   mapper->SetInputConnection(coneSource->GetOutputPort());
>
>   vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
>   actor->SetMapper(mapper);
>
>   //Create a renderer, render window, and interactor
>   vtkSmartPointer<vtkRenderer> renderer =
> vtkSmartPointer<vtkRenderer>::New();
>   vtkSmartPointer<vtkRenderWindow> renderWindow =
> vtkSmartPointer<vtkRenderWindow>::New();
>   renderWindow->AddRenderer(renderer);
>   vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
> vtkSmartPointer<vtkRenderWindowInteractor>::New();
>   renderWindowInteractor->SetRenderWindow(renderWindow);
>
>   //Add the actors to the scene
>   renderer->AddActor(actor);
>   renderer->SetBackground(.3, .2, .1); // Background color dark red
>
>   //Render and interact
>   renderWindow->Render();
>   renderWindowInteractor->Start();
>
>   return EXIT_SUCCESS;
> }
>
> 2) created the file CMakeLists.txt into the same directory above with the
> text:
>
> cmake_minimum_required(VERSION 2.8)
> project(Cone)
> set(VTK_DIR $HOME/build-VTK)
> find_package(VTK REQUIRED)
> include(${VTK_USE_FILE})
> add_executable(Cone Cone.cxx)
> if(VTK_LIBRARIES)
>   target_link_libraries(Cone ${VTK_LIBRARIES})
> else()
>   target_link_libraries(Cone vtkHybrid vtkWidgets)
> endif()
>
> 3) typed the command "ccmake ." into the same directory above, pressed the
> C button and the G button
>
> 4) typed the command "make" into the same directory above, receiving the
> error explained below:
>
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:19:27:
> error: vtkConeSource.h: No such file or directory
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:20:31:
> error: vtkPolyDataMapper.h: No such file or directory
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:21:29:
> error: vtkRenderWindow.h: No such file or directory
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:22:23:
> error: vtkCamera.h: No such file or directory
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:23:22:
> error: vtkActor.h: No such file or directory
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:24:25:
> error: vtkRenderer.h: No such file or directory
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:
> In function ‘int main()’:
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:34:
> error: ‘vtkConeSource’ was not declared in this scope
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:34:
> error: ‘cone’ was not declared in this scope
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:34:
> error: ‘vtkConeSource’ is not a class or namespace
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:46:
> error: ‘vtkPolyDataMapper’ was not declared in this scope
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:46:
> error: ‘coneMapper’ was not declared in this scope
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:46:
> error: ‘vtkPolyDataMapper’ is not a class or namespace
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:56:
> error: ‘vtkActor’ was not declared in this scope
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:56:
> error: ‘coneActor’ was not declared in this scope
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:56:
> error: ‘vtkActor’ is not a class or namespace
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:65:
> error: ‘vtkRenderer’ was not declared in this scope
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:65:
> error: ‘ren1’ was not declared in this scope
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:65:
> error: ‘vtkRenderer’ is not a class or namespace
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:74:
> error: ‘vtkRenderWindow’ was not declared in this scope
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:74:
> error: ‘renWin’ was not declared in this scope
> $HOME/build-VTK/Examples/Tutorial/Step1/Cxx/CMakeFiles/Cone.dir/Cone.cxx:74:
> error: ‘vtkRenderWindow’ is not a class or namespace
> make[2]: *** [CMakeFiles/Cone.dir/Cone.cxx.o] Error 1
> make[1]: *** [CMakeFiles/Cone.dir/all] Error 2
> make: *** [all] Error 2
>
> I have really no idea about the solution of this problem.
> Sorry for my incompetence!
> I'm looking forward to hear you.
>
> Thanks,
> Paolo Grossi.
>
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-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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