[Insight-users] extracting an application

[Severino Fernandez]

I am getting just started using ITK (I just used it shortly a couple of years ago) and I am having some problems in my first intent to get an application with a GUI generated outside the ITK applications project.
I am trying to do all this with Visual C++ 6.0.
I have installed FLTK and VTK following the instructions.
I have taken from the applications some directories to try to build ImageRegistration2D. I copied also FltkImageViewer and vtk from InsightApplications-2.6.0\Auxiliary, and changed their respective CMakeLists.txt according to the instructions Luis gave to George on december 5th 2003 regarding the compilation of GaussianFilter outside InsightApplications.
Everything seems to work OK with both FltkImageViewer and vtk (at least I can compile them using their respective .dsw without errors or warnings) but when I try to compile ImageRegistration2D some *.h are not located by Visual C++:

C:\INTA\pleyades\InsightToolkit\MisProyectos\vtk\itkImageToVTKImageFilter.h(21) : fatal error C1083: Cannot open include file: 'vtkImageImport.h': No such file or directory

I have seen that this is a *.h within the generated VTK directory. I supposed that the CMakeLists.txt command:

  FIND_PACKAGE(VTK)
  IF(VTK_FOUND)
    INCLUDE_DIRECTORIES(${VTK_INCLUDE_DIR})
  ENDIF(VTK_FOUND)

would take care of this, but it seems I am totally wrong. In fact, it is the first time I try to understand how CMake works.

I get one more warning from Visual C++:

Build : warning : failed to (or don't know how to) build 'C:\INTA\pleyades\InsightToolkit\MisProyectos\ImageRegistration2D\bin\fluid'

but I do not understand at all where it comes from.

I would very much appreciate if somebody can point me to any resources I can study in order to understand what happens at all.

I paste here the CMakeLists.txt of ImageRegistration2D I modified. As you see, I had to define explicitly the paths of the source and binary directories for FltkImageViewer and vtk, but this is because I did not know other perhaps more correct and elegant solution.

PROJECT(ImageRegistration2D)

SET (USE_FLTK ON)
SET (USE_VTK ON)

IF( NOT BUILD_OUTSIDE_INSIGHT_APPLICATIONS )

  FIND_PACKAGE(ITK)
  IF(ITK_FOUND)
    INCLUDE(${ITK_USE_FILE})
  ELSE(ITK_FOUND)
    MESSAGE(FATAL_ERROR
            "Cannot build InsightApplications without ITK.  Please set ITK_DIR.")
  ENDIF(ITK_FOUND)

  FIND_PACKAGE(FLTK)
  IF(FLTK_FOUND)
    INCLUDE_DIRECTORIES(${FLTK_INCLUDE_DIR})
  ENDIF(FLTK_FOUND)

  FIND_PACKAGE(VTK)
  IF(VTK_FOUND)
    INCLUDE_DIRECTORIES(${VTK_INCLUDE_DIR})
  ENDIF(VTK_FOUND)

  #FIND_PACKAGE(FltkImageViewer)
  #IF(FltkImageViewer_FOUND)
  #  MESSAGE("FltkImageViewer_USE_FILE = ${FltkImageViewer_USE_FILE}")
  #  INCLUDE(${FltkImageViewer_USE_FILE})
  #ELSE(FltkImageViewer_FOUND)
    #INCLUDE($ENV{HOME}/src/InsightApplications-1.4/FindFltkImageViewer.cmake)
  #  MESSAGE(FATAL_ERROR "Cannot build ImageRegistration2D without FltkImageViewer.  Please set FltkImageViewer_DIR.")
  #ENDIF(FltkImageViewer_FOUND)


ENDIF( NOT BUILD_OUTSIDE_INSIGHT_APPLICATIONS )

INCLUDE_REGULAR_EXPRESSION(".*")

SET (FltkImageViewer_SOURCE_DIR "C:/INTA/pleyades/InsightToolkit/MisProyectos/FltkImageViewer")
SET (FltkImageViewer_BINARY_DIR "C:/INTA/pleyades/InsightToolkit/MisProyectos/FltkImageViewer/bin")
SET (vtk_SOURCE_DIR "C:/INTA/pleyades/InsightToolkit/MisProyectos/vtk")
SET (vtk_BINARY_DIR "C:/INTA/pleyades/InsightToolkit/MisProyectos/vtk/bin")

INCLUDE_DIRECTORIES(
  ${FltkImageViewer_SOURCE_DIR}
  ${FltkImageViewer_BINARY_DIR}
  ${vtk_SOURCE_DIR}
  ${vtk_BINARY_DIR}
  ${ImageRegistration2D_SOURCE_DIR}
  ${ImageRegistration2D_BINARY_DIR}
)

MESSAGE("el directorio FltkImageViewer es aqui ${FltkImageViewer_SOURCE_DIR}")
MESSAGE("el directorio vtk es aqui ${vtk_SOURCE_DIR}")
MESSAGE("el directorio ImageRegistration2D es aqui ${ImageRegistration2D_SOURCE_DIR}")

MACRO(ADD_GUI_EXECUTABLE name sources)
  ADD_EXECUTABLE(${name} ${sources})
ENDMACRO(ADD_GUI_EXECUTABLE)

MACRO(ITK_DISABLE_FLTK_GENERATED_WARNINGS files)
  IF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.6)
    IF(CMAKE_COMPILER_IS_GNUCXX)
      FOREACH(f ${files})
        STRING(REGEX REPLACE "\\.fl$" ".cxx" SRC "${f}")
        STRING(REGEX REPLACE ".*/([^/]*)$" "\\1" SRC "${SRC}")
        SET_SOURCE_FILES_PROPERTIES(${SRC} PROPERTIES COMPILE_FLAGS -w)
      ENDFOREACH(f)
    ENDIF(CMAKE_COMPILER_IS_GNUCXX)
ENDIF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.6)
ENDMACRO(ITK_DISABLE_FLTK_GENERATED_WARNINGS)



FLTK_WRAP_UI(ImageRegistration2D ImageRegistrationConsoleGUI.fl)
ITK_DISABLE_FLTK_GENERATED_WARNINGS(ImageRegistrationConsoleGUI.fl)

SET(ImageRegistration2D_SRCS
  ImageRegistrationConsole.cxx
  ImageRegistrationConsoleBase.cxx
  ImageRegistration2D.cxx
  ${ImageRegistration2D_FLTK_UI_SRCS}
  )

ADD_GUI_EXECUTABLE(ImageRegistration2D "${ImageRegistration2D_SRCS}")

TARGET_LINK_LIBRARIES(ImageRegistration2D ITKFltkImageViewer ITKIO
                      ITKNumerics ITKBasicFilters ITKStatistics
                      vtkRendering vtkGraphics vtkHybrid
                      vtkImaging vtkIO vtkFiltering vtkCommon
)

Thank you very much in advance for any help or advice.
Best regards
Severino Fernandez
INTA
Departamento de Teledeteccion
Ctra. de Ajalvir Km 4
28850 Torrejon de Ardoz
Spain
email: fdezas at inta.es,severinofer at recol.es
Tel +34916487800, +34915206362
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