Merge pull request #2 from OpenCMT/andrea-dev

fix export to Vti

CMake/uLibCommon.cmake

@@ -15,16 +15,16 @@ set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin CACHE PATH "build path for
 mark_as_advanced(EXECUTABLE_OUTPUT_PATH)
 
 ## Install directories ##
-set(PACKAGE_INSTALL_BIN_DIR bin CACHE PATH "Installation directory for executables")
-set(PACKAGE_INSTALL_LIB_DIR lib/${PACKAGE_NAME} CACHE PATH "Installation directory for libraries")
-set(PACKAGE_INSTALL_INC_DIR include/${PACKAGE_NAME} CACHE PATH "Installation directory for headers")
-set(PACKAGE_INSTALL_DATA_DIR share/${PACKAGE_NAME} CACHE PATH "Installation directory for data files")
+set(INSTALL_BIN_DIR bin CACHE PATH "Installation directory for executables")
+set(INSTALL_LIB_DIR lib/${PACKAGE_NAME} CACHE PATH "Installation directory for libraries")
+set(INSTALL_INC_DIR include/${PACKAGE_NAME} CACHE PATH "Installation directory for headers")
+set(INSTALL_DATA_DIR share/${PACKAGE_NAME} CACHE PATH "Installation directory for data files")
 if(WIN32 AND NOT CYGWIN)
  set(DEF_INSTALL_CMAKE_DIR CMake)
 else()
  set(DEF_INSTALL_CMAKE_DIR lib/cmake/${PACKAGE_NAME})
 endif()
-set(PACKAGE_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
+set(INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
 
 # Make relative paths absolute (needed later on)
 foreach(p LIB BIN INC DATA CMAKE)
@@ -58,7 +58,7 @@ endif()
 set(CMAKE_CXX_WARNING_OPTION "" CACHE STRING "Warning level -WAll to verbose all warnings")
 set(CMAKE_VERBOSE_MAKEFILE FALSE CACHE STRING "Verbose compile output switch")
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x ${CMAKE_CXX_WARNING_OPTION}")
+# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x ${CMAKE_CXX_WARNING_OPTION}")
 
 
 

CMake/uLibTargetMacros.cmake

@@ -41,15 +41,15 @@ macro(uLib_add_shared_library name)
 
   install(TARGETS ${mname}
          EXPORT "${PROJECT_NAME}Targets"
-         RUNTIME DESTINATION ${PACKAGE_INSTALL_BIN_DIR} COMPONENT bin
-         LIBRARY DESTINATION ${PACKAGE_INSTALL_LIB_DIR} COMPONENT lib
-  #         PUBLIC_HEADER DESTINATION ${PACKAGE_INSTALL_INC_DIR} COMPONENT dev
+         RUNTIME DESTINATION ${INSTALL_BIN_DIR} COMPONENT bin
+         LIBRARY DESTINATION ${INSTALL_LIB_DIR} COMPONENT lib
+  #         PUBLIC_HEADER DESTINATION ${INSTALL_INC_DIR} COMPONENT dev
   )
  endif(SOURCES)
 
  if(HEADERS)
   foreach(header ${HEADERS})
-   install(FILES ${header} DESTINATION ${PACKAGE_INSTALL_INC_DIR}/${name})
+   install(FILES ${header} DESTINATION ${INSTALL_INC_DIR}/${name})
   endforeach(header)
   endif(HEADERS)
 
@@ -70,7 +70,7 @@ macro(uLib_add_target name)
 
     install(TARGETS ${name}
             EXPORT "${PROJECT_NAME}Targets"
-            RUNTIME DESTINATION ${PACKAGE_INSTALL_BIN_DIR} COMPONENT bin
+            RUNTIME DESTINATION ${INSTALL_BIN_DIR} COMPONENT bin
            )
 ENDMACRO(uLib_add_target)
 

CMakeLists.txt

@@ -3,7 +3,7 @@
 ##### CMAKE LISTS ##############################################################
 ################################################################################
 
-cmake_minimum_required (VERSION 2.6)
+cmake_minimum_required (VERSION 3.26)
 
 ## -------------------------------------------------------------------------- ##
 
@@ -11,7 +11,7 @@ project(uLib)
 
 # The version number.
 set(PROJECT_VERSION_MAJOR 0)
-set(PROJECT_VERSION_MINOR 4)
+set(PROJECT_VERSION_MINOR 6)
 set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}")
 set(PROJECT_SOVERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}")
 
@@ -33,19 +33,31 @@ message(STATUS "Module path = ${CMAKE_MODULE_PATH}")
 
 ## GLOBALS ------------------------------------------------------------------ ##
 
-set(PACKAGE_INSTALL_BIN_DIR ${CMAKE_INSTALL_PREFIX}/bin 
-    CACHE PATH "Installation directory for executables")
-set(PACKAGE_INSTALL_LIB_DIR ${CMAKE_INSTALL_PREFIX}/lib/
-    CACHE PATH "Installation directory for libraries")
-set(PACKAGE_INSTALL_INC_DIR ${CMAKE_INSTALL_PREFIX}/include/${PACKAGE_NAME}
-    CACHE PATH "Installation directory for headers")
-set(PACKAGE_INSTALL_DATA_DIR ${CMAKE_INSTALL_PREFIX}/share/${PACKAGE_NAME}
-    CACHE PATH "Installation directory for data files")
-set(PACKAGE_INSTALL_CMAKE_DIR ${CMAKE_INSTALL_PREFIX}/lib/cmake/${PACKAGE_NAME}
-    CACHE PATH "Installation directory for CMake files")
+# -- move to GnuInstallDirs
+# ref: https://cmake.org/cmake/help/latest/module/GNUInstallDirs.html
+include(GNUInstallDirs)
+set(INSTALL_INC_DIR ${CMAKE_INSTALL_INCLUDEDIR}/${PACKAGE_NAME}
+    CACHE PATH "Location of header files (.../include)" )
+set(INSTALL_ETC_DIR ${CMAKE_INSTALL_SYSCONFDIR}/${PACKAGE_NAME}
+    CACHE PATH "Location of configuration files (.../etc)" )
+set(INSTALL_BIN_DIR ${CMAKE_INSTALL_BINDIR}/${PACKAGE_NAME}
+    CACHE PATH "Location of executable files (.../bin)" )
+set(INSTALL_LIB_DIR ${CMAKE_INSTALL_LIBDIR}
+    CACHE PATH "Location of library files (.../lib)" )
+set(INSTALL_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/${PACKAGE_NAME}
+    CACHE PATH "Location of cmake files (.../lib/cmake)" )   
+set(INSTALL_DATA_DIR ${CMAKE_INSTALL_DATADIR}/${PACKAGE_NAME}
+    CACHE PATH "Location of data files (.../share)" )
+
+
+
 
 set(SRC_DIR ${PROJECT_SOURCE_DIR}/src)
 
+# this is used to be exported in build target 
+# ( to compile against build directory instead of install )
+set(ULIB_SOURCE_DIR ${PROJECT_SOURCE_DIR})
+
 if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
     message(STATUS "Setting build type to 'Release' as none was specified.")
     set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the type of build." FORCE)
@@ -60,10 +72,12 @@ set(CMAKE_CXX_WARNING_OPTION ""
 set(CMAKE_VERBOSE_MAKEFILE FALSE
     CACHE STRING "Verbose compile output switch")
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x ${CMAKE_CXX_WARNING_OPTION}")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_WARNING_OPTION}")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -UULIB_SERIALIZATION_ON")
 
-#enable_testing()
+# CTEST framework
+enable_testing()
+
 
 ## FIND PACKAGES ------------------------------------------------------------ ##
 
@@ -79,8 +93,36 @@ include(${EIGEN3_USE_FILE})
 find_package(ROOT CONFIG REQUIRED)
 include(${ROOT_USE_FILE})
 
-find_package(VTK CONFIG REQUIRED)
-include(${VTK_USE_FILE})
+find_package(VTK REQUIRED)
+# include(${VTK_USE_FILE})
+
+
+
+option(CENTOS_SUPPORT "VTK definitions for CentOS" OFF)
+if(CENTOS_SUPPORT)
+    find_package(VTK CONFIG REQUIRED)
+    include(${VTK_USE_FILE})
+else()
+    find_package(VTK REQUIRED
+                     COMPONENTS CommonColor
+                                CommonCore
+                                FiltersCore
+                                FiltersModeling
+                                FiltersSources
+                                IOLegacy
+                                IOXML
+                                IOXMLParser
+                                ImagingCore
+                                InteractionStyle
+                                InteractionWidgets
+                                RenderingAnnotation
+                                RenderingContextOpenGL2
+                                RenderingCore
+                                RenderingFreeType
+                                RenderingGL2PSOpenGL2
+                                RenderingOpenGL2
+                                RenderingVolumeOpenGL2)
+endif()
 
 set(CMAKE_REQUIRED_INCLUDES CMAKE_REQUIRED_INCLUDES math.h)
 set(CMAKE_REQUIRED_LIBRARIES CMAKE_REQUIRED_LIBRARIES m)
@@ -119,7 +161,7 @@ configure_file("${PROJECT_SOURCE_DIR}/CMakeConfig.in.h"
                "${PROJECT_BINARY_DIR}/config.h")
 
 install(FILES "${PROJECT_BINARY_DIR}/config.h"
-        DESTINATION ${PACKAGE_INSTALL_INC_DIR})
+        DESTINATION ${INSTALL_INC_DIR})
 
 ## ADD LIBRARIES SUBDIRECTORIES --------------------------------------------- ##
 
@@ -164,8 +206,8 @@ add_subdirectory(${SRC_DIR}/Vtk)
 
 
 # Create the FooBarConfig.cmake and FooBarConfigVersion files
-file(RELATIVE_PATH REL_INCLUDE_DIR "${PACKAGE_INSTALL_CMAKE_DIR}"
-   "${PACKAGE_INSTALL_INC_DIR}")
+# file(RELATIVE_PATH REL_INCLUDE_DIR "${INSTALL_CMAKE_DIR}"
+#    "${INSTALL_INC_DIR}")
 
 # ... for the build tree
 #set(CONF_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/src" "${PROJECT_BINARY_DIR}")
@@ -174,21 +216,53 @@ file(RELATIVE_PATH REL_INCLUDE_DIR "${PACKAGE_INSTALL_CMAKE_DIR}"
 
 # ... for the install tree
 set(CONF_INCLUDE_DIRS "\${ULIB_CMAKE_DIR}/${REL_INCLUDE_DIR}")
-configure_file(uLibConfig.cmake.in
-               "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/uLibConfig.cmake"
-               @ONLY)
+# [ removed for the configure_config_file ]
+# configure_file(uLibConfig.cmake.in
+#                "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/uLibConfig.cmake"
+#                @ONLY)
 
 # ... for both
 configure_file(uLibConfigVersion.cmake.in
-               "${PROJECT_BINARY_DIR}/uLibConfigVersion.cmake" @ONLY)
+                "${PROJECT_BINARY_DIR}/uLibConfigVersion.cmake" @ONLY)
 
-install(FILES "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/uLibConfig.cmake"
+
+# from CMake 3.x configure file shall be created using a dedicated function
+# see: https://cmake.org/cmake/help/latest/module/CMakePackageConfigHelpers.html
+#
+include(CMakePackageConfigHelpers)
+configure_package_config_file(uLibConfig.cmake.in
+                              "${PROJECT_BINARY_DIR}/uLibConfig.cmake"
+                              INSTALL_DESTINATION ${INSTALL_CMAKE_DIR}
+                              PATH_VARS 
+                                INSTALL_LIB_DIR 
+                                INSTALL_INC_DIR 
+                                INSTALL_BIN_DIR 
+                                INSTALL_CMAKE_DIR 
+                                INSTALL_ETC_DIR 
+                                INSTALL_DATA_DIR
+                                ULIB_SOURCE_DIR
+                                ULIB_SHARED_LIBRARIES
+                              # NO_SET_AND_CHECK_MACRO
+                              # NO_CHECK_REQUIRED_COMPONENTS_MACRO
+                              )
+
+install(FILES "${PROJECT_BINARY_DIR}/uLibConfig.cmake"
               "${PROJECT_BINARY_DIR}/uLibConfigVersion.cmake"
-        DESTINATION "${PACKAGE_INSTALL_CMAKE_DIR}"
+        DESTINATION "${INSTALL_CMAKE_DIR}"
         COMPONENT dev)
 
+
+# this is a special target file for the build tree
+# it is used also to identify if we are using a build direcory
+# to link a project against uLib. see: uLibConfig.cmake ( IF )
+export (TARGETS ${ULIB_SHARED_LIBRARIES}
+        FILE "${PROJECT_BINARY_DIR}/uLibTargets-build.cmake"
+        # NAMESPACE "uLib::"
+)        
+
 # Install the export set for use with the install-tree
-install(EXPORT "${PROJECT_NAME}Targets"
-        DESTINATION "${PACKAGE_INSTALL_CMAKE_DIR}"
+install(EXPORT "uLibTargets"
+        FILE "uLibTargets.cmake"
+        DESTINATION "${INSTALL_CMAKE_DIR}"
         COMPONENT dev)
 

src/Core/CMakeLists.txt

@@ -18,10 +18,10 @@ target_link_libraries(${libname} ${LIBRARIES})
 
 install(TARGETS ${libname}
         EXPORT "${PROJECT_NAME}Targets"
-        RUNTIME DESTINATION ${PACKAGE_INSTALL_BIN_DIR} COMPONENT bin
-        LIBRARY DESTINATION ${PACKAGE_INSTALL_LIB_DIR} COMPONENT lib)
+        RUNTIME DESTINATION ${INSTALL_BIN_DIR} COMPONENT bin
+        LIBRARY DESTINATION ${INSTALL_LIB_DIR} COMPONENT lib)
 
-install(FILES ${HEADERS} DESTINATION ${PACKAGE_INSTALL_INC_DIR}/Core)
+install(FILES ${HEADERS} DESTINATION ${INSTALL_INC_DIR}/Core)
 
 
 

src/Core/Options.cpp

@@ -31,6 +31,9 @@
 
 #include <boost/program_options.hpp>
 
+#include <boost/property_tree/ptree.hpp>
+#include <boost/property_tree/ini_parser.hpp>
+
 
 //class boost::program_options::error_with_option_name;
 //template<> boost::program_options::typed_value<int> boost::program_options::value<int>();
@@ -74,6 +77,23 @@ void Options::parse_config_file(const char *fname)
     }
 }
 
+void Options::save_config_file(const char *fname) {
+    std::ofstream os;
+    os.open(fname);
+    
+    using boost::property_tree::ptree;
+
+    ptree root;
+
+
+    std::cout << m_configuration << "\n";
+    std::cout << m_global << "\n";
+
+    write_ini( std::cout, root );
+
+}
+
+
 bool Options::count(const char *str) const
 {
     return (m_vm.count(str));

src/Core/Options.h

@@ -160,6 +160,8 @@ public:
 
     void parse_config_file(const char *fname);
 
+    void save_config_file(const char *fname);
+
     template <typename T>
     static inline boost::program_options::typed_value<T>* value(T *v, T dvalue) {
         boost::program_options::typed_value<T> *r = boost::program_options::value<T>(v);

src/Detectors/CMakeLists.txt

@@ -2,5 +2,6 @@ set(HEADERS MuonScatter.h MuonError.h MuonEvent.h)
 
 set(ULIB_SELECTED_MODULES ${ULIB_SELECTED_MODULES} Detectors PARENT_SCOPE)
 
+
 install(FILES ${HEADERS}
-        DESTINATION ${PACKAGE_INSTALL_INC_DIR}/Detectors)
+        DESTINATION ${INSTALL_INC_DIR}/Detectors)

src/Math/BitCode.h

@@ -27,6 +27,8 @@
 #ifndef U_MATH_BITCODE_H
 #define U_MATH_BITCODE_H
 
+#include <iostream>
+
 #include <boost/static_assert.hpp>
 #include <boost/type_traits.hpp>
 #include <boost/mpl/vector_c.hpp>
@@ -34,6 +36,7 @@
 
 #include <Math/Dense.h>
 
+
 namespace uLib {
 
 

src/Math/CMakeLists.txt

@@ -1,3 +1,4 @@
+
 set(HEADERS ContainerBox.h
             Dense.h
             Geometry.h
@@ -32,7 +33,8 @@ set(SOURCES VoxRaytracer.cpp
             Structured4DGrid.cpp)
 
 set(LIBRARIES ${Eigen_LIBRARY}
-              ${ROOT_LIBRARIES})
+              ${ROOT_LIBRARIES}
+              ${VTK_LIBRARIES})
 
 set(libname ${PACKAGE_LIBPREFIX}Math)
 set(ULIB_SHARED_LIBRARIES ${ULIB_SHARED_LIBRARIES} ${libname} PARENT_SCOPE)
@@ -44,10 +46,15 @@ set_target_properties(${libname} PROPERTIES
                       SOVERSION ${PROJECT_SOVERSION})
 target_link_libraries(${libname} ${LIBRARIES})
 
+
 install(TARGETS ${libname}
         EXPORT "${PROJECT_NAME}Targets"
-        RUNTIME DESTINATION ${PACKAGE_INSTALL_BIN_DIR} COMPONENT bin
-        LIBRARY DESTINATION ${PACKAGE_INSTALL_LIB_DIR} COMPONENT lib)
+        RUNTIME DESTINATION ${INSTALL_BIN_DIR} COMPONENT bin
+        LIBRARY DESTINATION ${INSTALL_LIB_DIR} COMPONENT lib)
 
-install(FILES ${HEADERS} DESTINATION ${PACKAGE_INSTALL_INC_DIR}/Math)
+install(FILES ${HEADERS} DESTINATION ${INSTALL_INC_DIR}/Math)
+
+# TESTING
+# include(uLibTargetMacros)
+# add_subdirectory(testing)
 

src/Math/Dense.h

@@ -139,7 +139,6 @@ typedef Eigen::Vector4f Vector4f;
 
 
 
-
 ////////////////////////////////////////////////////////////////////////////////
 // Vector String interaction ///////////////////////////////////////////////////
 ////////////////////////////////////////////////////////////////////////////////

src/Math/Transform.h

@@ -110,6 +110,17 @@ public:
 
     inline void Rotate(const Matrix3f &m) { this->m_T.rotate(m); }
 
+    inline void Rotate(const float angle, Vector3f axis)
+    {
+        axis.normalize(); // prehaps not necessary ( see eigens )
+        Eigen::AngleAxisf ax(angle,axis);
+        this->m_T.rotate(Eigen::Quaternion<float>(ax));
+    }
+
+    inline void Rotate(const Vector3f euler_axis) {
+        float angle = euler_axis.norm();
+        Rotate(angle,euler_axis);
+    }
 
     inline void PreRotate(const Matrix3f &m) { this->m_T.prerotate(m); }
 

src/Math/VoxImage.cpp

@@ -30,6 +30,13 @@
 
 #include "VoxImage.h"
 
+#include <vtkSmartPointer.h>
+#include <vtkImageData.h>
+#include <vtkXMLImageDataReader.h>
+#include <vtkXMLImageDataWriter.h>
+#include <vtkStringArray.h>
+#include <vtkInformation.h>
+#include <vtkInformationStringKey.h>
 
 namespace uLib {
 
@@ -83,7 +90,103 @@ void Abstract::VoxImage::ExportToVtk (const char *file, bool density_type)
     printf("%s vtk file saved\n",file);
 }
 
-int Abstract::VoxImage::ImportFromVtk(const char *file)
+
+
+void Abstract::VoxImage::ExportToVti (const char *file, bool density_type, bool compressed)
+{
+    Abstract::VoxImage *voxels = this;
+
+    vtkSmartPointer<vtkImageData> image = vtkSmartPointer<vtkImageData>::New();
+    image->SetDimensions(voxels->GetDims()(0), voxels->GetDims()(1), voxels->GetDims()(2));
+    image->SetSpacing(voxels->GetSpacing()(0), voxels->GetSpacing()(1), voxels->GetSpacing()(2));
+    image->SetOrigin(voxels->GetOrigin()(0), voxels->GetOrigin()(1), voxels->GetOrigin()(2));
+    image->AllocateScalars(VTK_FLOAT, 1);
+
+    float norm;
+    if (density_type) {
+        norm = 1;
+    } else norm = 1.E6;
+
+    int nx = voxels->GetDims()(0);
+    int ny = voxels->GetDims()(1);
+    int nz = voxels->GetDims()(2);
+
+    size_t npoints = nx*ny*nz;
+    float *scalar = static_cast<float*>(image->GetScalarPointer());
+
+    StructuredData unwrap(*voxels);
+    unwrap.SetDataOrder(StructuredData::XYZ); // move to XYZ order (VTK)
+    for (size_t i = 0; i < npoints; i++) {
+        Vector3i idx = unwrap.UnMap(i);
+        scalar[i] = static_cast<float>(voxels->GetValue(idx) * norm);
+    }
+
+    // Create a custom string key
+    static vtkInformationStringKey* ConfigNote =
+        vtkInformationStringKey::MakeKey("cmt.config", "Config");
+
+    // Attach metadata
+    vtkInformation *info = image->GetInformation();
+    info->Set(ConfigNote, 
+
+    "This image was generated with uLib\n"
+    "-----------------------------------\n"
+    "Author: Andrea Rigoni\n"
+    "Version: 0.1\n"
+    "Date: 2025\n"
+
+    );
+
+    // std::cout << info->Get(ConfigNote) << std::endl;
+    vtkSmartPointer<vtkXMLImageDataWriter> writer = vtkSmartPointer<vtkXMLImageDataWriter>::New();
+    writer->SetFileName(file);
+    writer->SetInputData(image);
+    if(compressed) {
+        writer->SetDataModeToBinary();
+        writer->SetCompressorTypeToZLib();
+    }
+    writer->Write();
+}
+
+
+int Abstract::VoxImage::ImportFromVti(const char *file, bool density_type) {
+    
+    vtkSmartPointer<vtkXMLImageDataReader> reader = vtkSmartPointer<vtkXMLImageDataReader>::New();
+    reader->SetFileName(file);
+    reader->Update();
+    vtkImageData *image = reader->GetOutput();
+    if(!image) return false;
+    
+    Abstract::VoxImage *voxels = this;
+    int nx = image->GetDimensions()[0];
+    int ny = image->GetDimensions()[1];
+    int nz = image->GetDimensions()[2];
+    
+    voxels->SetDims(Vector3i(nx,ny,nz));
+    voxels->SetSpacing(Vector3f(image->GetSpacing()[0],image->GetSpacing()[1],image->GetSpacing()[2]));
+    voxels->SetOrigin(Vector3f(image->GetOrigin()[0],image->GetOrigin()[1],image->GetOrigin()[2]));
+
+    float norm;
+    if (density_type) {
+        norm = 1;
+    } else norm = 1.E6;
+
+    size_t npoints = nx*ny*nz;
+    float *scalar = static_cast<float*>(image->GetScalarPointer());
+
+    StructuredData wrap(*voxels);
+    wrap.SetDataOrder(StructuredData::XYZ);
+    for (size_t i = 0; i < npoints; i++) {
+        Vector3i idx = wrap.UnMap(i);
+        voxels->SetValue(idx, scalar[i] / norm);
+    }
+
+    return true;
+}
+
+
+
+int Abstract::VoxImage::ImportFromVtk(const char *file, bool density_type)
 {
     FILE * vtk_file = fopen(file, "r");
     if (!vtk_file) return false;
@@ -115,14 +218,18 @@ int Abstract::VoxImage::ImportFromVtk(const char *file)
     this->SetSpacing(Vector3f(sx,sy,sz));
     this->SetPosition(Vector3f(ox,oy,oz));
 
+    float norm;
+    if (density_type) {
+        norm = 1;
+    } else norm = 1.E6;
+
     for (int k = 0; k < dz; ++k) {
         for (int j = 0; j < dy; ++j) {
             for (int i = 0; i < dx; ++i) {
                 Vector3i idx(i, j, k);
                 float tmp_val;
                 fscanf(vtk_file, "%f", &tmp_val);
-                //this->SetValue(idx,fabs(tmp_val)*1E-6);
-                this->SetValue(idx,tmp_val*1E-6);
+                this->SetValue(idx,tmp_val / norm);
             }
         }
     }

src/Math/VoxImage.h

@@ -56,8 +56,18 @@ public:
     virtual void SetDims(const Vector3i &size) = 0;
 
     void ExportToVtk(const char *file, bool density_type = 0);
+
+    // use this function to export to VTK binary format
+    void ExportToVti (const char *file, bool density_type = 0, bool compressed = 0);
+    
+    // this function has been deprecated in favor of ExportToVti
+    // but it is kept for backward compatibility and because it 
+    // does not depend on vtk library
     void ExportToVtkXml(const char *file, bool density_type = 0);
-    int ImportFromVtk(const char *file);
+
+    int ImportFromVtk(const char *file, bool density_type = 0);
+
+    int ImportFromVti(const char *file, bool density_type = 0);
 
 protected:
 

src/Math/testing/CMakeLists.txt

@@ -19,4 +19,4 @@ set(LIBRARIES
        ${PACKAGE_LIBPREFIX}Math
 )
 
-uLib_add_tests(${uLib-module})
+uLib_add_tests(Math)

src/Math/testing/VoxImageTest.cpp

@@ -92,6 +92,20 @@ int main() {
         imgR.ExportToVtk("./read_and_saved.vtk");
     }
 
+    {
+        VoxImage<TestVoxel> img(Vector3i(4,4,4));
+        img.InitVoxels({0,0});
+        for (int i=0; i<4; i++) {
+            for (int j=0; j<4; j++) {
+                for (int k=0; k<4; k++) {
+                    img[Vector3i(i,j,k)] = {i+j+k,0};
+                }
+            }
+        }
+        img.ExportToVti("./vti_saved.vti",0,1);
+        // img.ImportFromVtkXml("./test_vox_image.vti");
+    }
+
 
     {
         VoxImage<TestVoxel> img1(Vector3i(5,5,5));

src/Root/CMakeLists.txt

@@ -1,12 +1,49 @@
 set(HEADERS RootMathDense.h
             RootMuonScatter.h
-            RootHitRaw.h)
+            RootHitRaw.h
+            muCastorMCTrack.h
+            muCastorHit.h
+            muCastorInfo.h
+            muCastorSkinHit.h
+            muCastorPrimaryVertex.h
+            muCastorMuDetDIGI.h
+            SkinDetectorWriter.h)
 
-set(SOURCES ${HEADERS} RootMuonScatter.cpp)
+set(SOURCES ${HEADERS} RootMuonScatter.cpp
+                       muCastorMCTrack.cpp
+                       muCastorHit.cpp
+                       muCastorInfo.cpp
+                       muCastorSkinHit.cpp
+                       muCastorPrimaryVertex.cpp
+                       muCastorMuDetDIGI.cpp
+                       SkinDetectorWriter.cpp)
+
+set(DICTIONARY_HEADERS muCastorMCTrack.h
+                       muCastorHit.h
+                       muCastorInfo.h
+                       muCastorSkinHit.h
+                       muCastorPrimaryVertex.h
+                       muCastorMuDetDIGI.h
+                       SkinDetectorWriter.h)
 
 set(LIBRARIES ${ROOT_LIBRARIES}
               ${PACKAGE_LIBPREFIX}Math)
 
+set(rDictName ${PACKAGE_LIBPREFIX}RootDict)
+root_generate_dictionary(${rDictName} ${DICTIONARY_HEADERS}
+                         LINKDEF Linkdef.h)
+set_source_files_properties(${rDictName}.cxx
+                            PROPERTIES GENERATED TRUE)
+set_source_files_properties(${rDictName}.h
+                            PROPERTIES GENERATED TRUE)
+list(APPEND SOURCES ${rDictName}.cxx)
+
+# TODO use a custom target linked to root_generate_dictionary
+set(R_ARTIFACTS ${CMAKE_CURRENT_BINARY_DIR}/lib${rDictName}_rdict.pcm
+                ${CMAKE_CURRENT_BINARY_DIR}/lib${rDictName}.rootmap)
+install(FILES ${R_ARTIFACTS}
+        DESTINATION ${INSTALL_LIB_DIR})
+
 set(libname ${PACKAGE_LIBPREFIX}Root)
 set(ULIB_SHARED_LIBRARIES ${ULIB_SHARED_LIBRARIES} ${libname} PARENT_SCOPE)
 set(ULIB_SELECTED_MODULES ${ULIB_SELECTED_MODULES} Root PARENT_SCOPE)
@@ -14,14 +51,15 @@ set(ULIB_SELECTED_MODULES ${ULIB_SELECTED_MODULES} Root PARENT_SCOPE)
 add_library(${libname} SHARED ${SOURCES})
 set_target_properties(${libname} PROPERTIES
                       VERSION ${PROJECT_VERSION}
-                      SOVERSION ${PROJECT_SOVERSION})
+                      SOVERSION ${PROJECT_SOVERSION}
+                      CXX_STANDARD 17)
 target_link_libraries(${libname} ${LIBRARIES})
 
 install(TARGETS ${libname}
         EXPORT "${PROJECT_NAME}Targets"
-        RUNTIME DESTINATION ${PACKAGE_INSTALL_BIN_DIR} COMPONENT bin
-        LIBRARY DESTINATION ${PACKAGE_INSTALL_LIB_DIR} COMPONENT lib)
+        RUNTIME DESTINATION ${INSTALL_BIN_DIR} COMPONENT bin
+        LIBRARY DESTINATION ${INSTALL_LIB_DIR} COMPONENT lib)
 
-install(FILES ${HEADERS} DESTINATION ${PACKAGE_INSTALL_INC_DIR}/Root)
+install(FILES ${HEADERS} DESTINATION ${INSTALL_INC_DIR}/Root)
 
 

src/Root/Linkdef.h

@@ -74,11 +74,13 @@ using namespace ROOT::Mutom;
 #pragma link C++ function HitRaw::Tdc() const;
 #pragma link C++ function HitRaw::Ch() const;
 
-#pragma link C++ class  muBlastMCTrack+;
-#pragma link C++ class  muBlastHit+;
 #pragma link C++ class  muCastorMCTrack+;
 #pragma link C++ class  muCastorHit+;
 #pragma link C++ class  muCastorInfo+;
+#pragma link C++ class  muCastorSkinHit+;
+#pragma link C++ class  muCastorPrimaryVertex+;
+#pragma link C++ class  muCastorMuDetDIGI+;
+#pragma link C++ class  SkinDetectorWriter+;
 
 #endif // __CINT__
 

src/Root/SkinDetectorWriter.cpp

@@ -0,0 +1,47 @@
+#include "SkinDetectorWriter.h"
+#include "muCastorSkinHit.h"
+#include "TVector3.h"
+
+SkinDetectorWriter::SkinDetectorWriter(string filename) :
+    t_file(nullptr),
+    t_tree(nullptr),
+    t_buffer(nullptr),
+    i_status(0)
+{
+    t_file = new TFile(filename.c_str(), "RECREATE");
+    t_tree = new TTree("muCastorMC", "muCastorMC");
+    t_buffer = new TClonesArray("muCastorSkinHit");
+
+    t_tree->Branch("CastorSkinHits", "TClonesArray", t_buffer, 32000, 99);
+
+    if (t_file->IsZombie()) i_status = 1;
+}
+
+SkinDetectorWriter::~SkinDetectorWriter()
+{}
+
+void SkinDetectorWriter::add(int detID, float p_x, float p_y, float p_z,
+                             float m_x, float m_y, float m_z)
+{
+    TClonesArray& ref = *t_buffer;
+    int size = ref.GetEntriesFast();
+
+    muCastorSkinHit* new_hit = new(ref[size]) muCastorSkinHit();
+    new_hit->SetDetID(detID);
+    new_hit->SetPdgCode(13);
+    new_hit->SetMotherID(-1);
+    new_hit->SetPos (TVector3(p_x, p_y, p_z));
+    new_hit->SetMom (TVector3(m_x, m_y, m_z));
+}
+
+void SkinDetectorWriter::write()
+{
+    if (t_tree->Fill() < 0) i_status = 2;
+    t_buffer->Delete();   // or t_buffer->Clear() ??
+}
+
+void SkinDetectorWriter::close()
+{
+    if (t_tree->Write() == 0) i_status = 3;
+    t_file->Close();
+}

src/Root/SkinDetectorWriter.h

@@ -0,0 +1,32 @@
+#ifndef SkinDetectorWriter_h
+#define SkinDetectorWriter_h
+
+#include <string>
+
+#include "TFile.h"
+#include "TTree.h"
+#include "TClonesArray.h"
+
+using std::string;
+
+class SkinDetectorWriter
+{
+public:
+    SkinDetectorWriter(string filename);
+    virtual ~SkinDetectorWriter();
+
+    void add(int detID, float p_x, float p_y, float p_z, float m_x, float m_y, float m_z);
+    int status() { return i_status; }
+    void write();
+    void close();
+
+private:
+    TFile* t_file;
+    TTree* t_tree;
+    TClonesArray* t_buffer;
+    int i_status;
+};
+
+
+
+#endif //SkinDetectorWriter_h

src/Root/muCastorMuDetDIGI.cpp

@@ -0,0 +1,41 @@
+/// \file muCastorMuDetDIGI.cxx 
+/// \brief Implementation of the muCastorMuDetDIGI class 
+//  This class build the DIGI for the scintillator detectors 
+/// \author G. Bonomi, M. Subieta - INFN
+
+#include <iostream>
+
+#include "muCastorMuDetDIGI.h"
+
+/// \cond CLASSIMP
+ClassImp(muCastorMuDetDIGI)
+/// \endcond
+
+using namespace std;
+
+//_____________________________________________________________________________
+muCastorMuDetDIGI::muCastorMuDetDIGI() :
+    fDetID(-1),
+    fLayID(-1),
+    fTubID(-1),
+    fDistMC(0.),
+    fDriftMC(0.),
+    fDist(0.),
+    fDrift(0.),
+    fEnergy(0.)
+{}
+
+//_____________________________________________________________________________
+muCastorMuDetDIGI::~muCastorMuDetDIGI() 
+{}
+
+//_____________________________________________________________________________
+void muCastorMuDetDIGI::Print(const Option_t* /*opt*/) const
+{
+    cout << "  DetID: " << fDetID
+         << "  LayID: " << fLayID
+         << "  TubID: " << fTubID
+         << "  energy deposit (keV): " << fEnergy
+         << endl;
+}
+

src/Root/muCastorMuDetDIGI.h

@@ -0,0 +1,75 @@
+#ifndef muCastor_MuDetDIGI_H
+#define muCastor_MuDetDIGI_H
+
+/// \file muCastorMuDetDIGI.h
+/// \brief Definition of the muCastorMuDetDIGI class 
+///
+/// \authors G. Bonomi, M. Subieta - INFN
+
+#include <TObject.h>
+
+class muCastorMuDetDIGI : public TObject
+{
+public:
+    muCastorMuDetDIGI();
+    virtual ~muCastorMuDetDIGI();
+
+    // -------> PUBLIC FUNCTIONS
+    virtual void Print(const Option_t* option = "") const;
+
+    // -------> SET METHODS
+
+    /// Set Det ID (Detector module)
+    void SetDetID(Int_t id)  { fDetID = id; };  
+
+    /// Set Layer ID (Layer [0,5])
+    void SetLayID(Int_t id)  { fLayID = id; };  
+
+    /// Set Tube ID (Tube inside each layer)
+    void SetTubID(Int_t id)  { fTubID = id; };  
+
+    void SetDistMC      (Double_t v)  { fDistMC = v; };
+    void SetDriftMC     (Double_t v)  { fDriftMC= v; };
+    void SetDist        (Double_t v)  { fDist   = v; };
+    void SetDrift       (Double_t v)  { fDrift  = v; };
+
+    // Set energy 
+    void SetEnergy(Double_t e)  { fEnergy = e; };
+
+    // -------> GET METHODS
+
+    /// \return The Module number
+    Int_t GetDetID() { return fDetID; };
+
+    /// \return The Layer number
+    Int_t GetLayID() { return fLayID; };
+
+    /// \return The Tube number
+    Int_t GetTubID() { return fTubID; };
+
+    Double_t GetDistMC()    { return fDistMC;   };
+    Double_t GetDriftMC()   { return fDriftMC;  };
+    Double_t GetDist()      { return fDist;     };
+    Double_t GetDrift()     { return fDrift;    };
+
+    /// \return Get energy
+    Double_t GetEnergy()   { return fEnergy; };
+
+
+    // -------> PRIVATE VARIABLES
+private:
+    Int_t      fDetID;      // Detector module ID 
+    Int_t      fLayID;      // Detector layer ID
+    Int_t      fTubID;      // Layer tube ID
+    Double_t   fDistMC;     // Minimum distance of particle tracks to the wire
+    Double_t   fDriftMC;    // Minimum drift time to the wire
+    Double_t   fDist;       // Minimum distance of particle tracks to the wire (with smearing)
+    Double_t   fDrift;      // Minimum drift time to the wire (with smearing)
+    Double_t   fEnergy;     // Energy released in the element
+
+    ClassDef(muCastorMuDetDIGI,1) //muCastorMuDetDIGI  
+};
+
+#endif //muCastorMuDetDIGI_H
+
+

src/Root/muCastorPrimaryVertex.cpp

@@ -0,0 +1,47 @@
+#include <iostream>
+#include <limits>
+
+#include "muCastorPrimaryVertex.h"
+
+/// \cond CLASSIMP
+ClassImp(muCastorPrimaryVertex)
+/// \endcond
+
+using namespace std;
+
+//_____________________________________________________________________________
+muCastorPrimaryVertex::muCastorPrimaryVertex() {
+/// Default constructor
+    Reset();
+}
+
+//_____________________________________________________________________________
+muCastorPrimaryVertex::~muCastorPrimaryVertex()
+{
+/// Destructor
+}
+
+//_____________________________________________________________________________
+void muCastorPrimaryVertex::Reset()
+{
+    fPdgCode    = 0;
+    fVx         = std::numeric_limits<double>::quiet_NaN();
+    fVy         = std::numeric_limits<double>::quiet_NaN();
+    fVz         = std::numeric_limits<double>::quiet_NaN();
+    fPx         = std::numeric_limits<double>::quiet_NaN();
+    fPy         = std::numeric_limits<double>::quiet_NaN();
+    fPz         = std::numeric_limits<double>::quiet_NaN();
+    fE          = std::numeric_limits<double>::quiet_NaN();
+}
+
+//_____________________________________________________________________________
+void muCastorPrimaryVertex::Print(const Option_t* /*opt*/) const
+{
+/// Printing
+
+  	cout << "  Primary particle PDG Code " << fPdgCode << endl; 
+	cout << "  Vertex: (" << fVx << ", " << fVy << ", " << fVz << ") cm" << endl;
+	cout << "  Mom: (" << fPx << ", " << fPy << ", " << fPz << ")  MeV/c" << endl;
+
+}
+

src/Root/muCastorPrimaryVertex.h

@@ -0,0 +1,53 @@
+#ifndef muCastor_PVTX_H
+#define muCastor_PVTX_H
+
+/// \brief Definition of the muCastorPrimaryVertex class 
+///
+/// \authors G. Bonomi (04/02/2020)
+
+#include <TObject.h>
+
+class muCastorPrimaryVertex : public TObject
+{
+    public:
+        muCastorPrimaryVertex();
+        virtual ~muCastorPrimaryVertex();
+
+        // -------> PUBLIC FUNCTIONS
+        virtual void Print(const Option_t* option = "") const;
+
+        // -------> SET METHODS
+
+		void SetPdgCode(Int_t code) { fPdgCode = code; };
+
+        void SetVx(Double_t Vx)   { fVx = Vx; };  
+        void SetVy(Double_t Vy)   { fVy = Vy; };  
+        void SetVz(Double_t Vz)   { fVz = Vz; };  
+
+        void SetPx(Double_t Px)   { fPx = Px; };  
+        void SetPy(Double_t Py)   { fPy = Py; };  
+        void SetPz(Double_t Pz)   { fPz = Pz; };  
+
+        void SetE(Double_t E)  { fE = E; };
+
+        void Reset();
+    private:
+        // -------> PRIVATE VARIABLES
+		Int_t          fPdgCode;              // PDG code of the particle
+
+  		Double_t       fVx;                   // x of production vertex
+  		Double_t       fVy;                   // y of production vertex
+  		Double_t       fVz;                   // z of production vertex
+
+ 		Double_t       fPx;                   // x component of momentum
+  		Double_t       fPy;                   // y component of momentum
+  		Double_t       fPz;                   // z component of momentum
+  		Double_t       fE;                    // Energy
+
+
+        ClassDef(muCastorPrimaryVertex,1) //muCastorPrimaryVertex  
+};
+
+#endif //muCastor_PVTX_H
+
+

src/Root/muCastorSkinHit.cpp

@@ -0,0 +1,43 @@
+//----------------------------------------------------------
+// Class : CastorSkinHit 
+// Date: October 2020
+// Author: Germano Bonomi   germano.bonomi@unibs.it
+//----------------------------------------------------------
+
+#include <iostream>
+
+#include "muCastorSkinHit.h"
+
+/// \cond CLASSIMP
+ClassImp(muCastorSkinHit)
+/// \endcond
+
+using namespace std;
+
+//_____________________________________________________________________________
+muCastorSkinHit::muCastorSkinHit() :
+    fDetID(-1),
+    fPdgCode(-1),
+    fMotherID(-1),
+    fMomX(0.),
+    fMomY(0.),
+    fMomZ(0.),
+    fPosX(0.),
+    fPosY(0.),
+    fPosZ(0.)
+{}
+
+//_____________________________________________________________________________
+muCastorSkinHit::~muCastorSkinHit() 
+{}
+//_____________________________________________________________________________
+void muCastorSkinHit::Print(const Option_t* /*opt*/) const
+{
+    cout << "  detID: " << fDetID 
+         << "  position (cm): (" 
+         << fPosX << ", " << fPosY << ", " << fPosZ << ")"
+         << "  momentum (MeV/c): (" 
+         << fMomX << ", " << fMomY << ", " << fMomZ << ")"
+         << endl;
+}
+

src/Root/muCastorSkinHit.h

@@ -0,0 +1,52 @@
+//----------------------------------------------------------
+// Class : CastorSkinHit 
+// Date: October 2020
+// Author: Germano Bonomi   germano.bonomi@unibs.it
+//----------------------------------------------------------
+
+#ifndef muCastor_SKINHIT_H
+#define muCastor_SKINHIT_H
+
+
+#include <TObject.h>
+#include <TVector3.h>
+
+class muCastorSkinHit : public TObject
+{
+public:
+    muCastorSkinHit();
+    virtual ~muCastorSkinHit();
+
+    // methods
+    virtual void Print(const Option_t* option = "") const;
+
+    // set methods
+    void SetDetID(Int_t id)         { fDetID = id; };  
+    void SetPdgCode(Int_t pdg)      { fPdgCode = pdg; };
+    void SetMotherID(Int_t mid)     { fMotherID = mid; };
+    void SetMom(TVector3 xyz)       { fMomX = xyz.X(); fMomY = xyz.Y(); fMomZ = xyz.Z(); };
+    void SetPos(TVector3 xyz)       { fPosX = xyz.X(); fPosY = xyz.Y(); fPosZ = xyz.Z(); };
+
+    Int_t GetDetID()    { return fDetID; }
+    Int_t GetPdgCode()  { return fPdgCode; }
+    Int_t GetMotherID() { return fMotherID; }
+    TVector3 GetMom()   { return TVector3(fMomX, fMomY, fMomZ); }
+    TVector3 GetPos()   { return TVector3(fPosX, fPosY, fPosZ); }
+      
+private:
+    Int_t      fDetID;      // Detector module ID 
+    Int_t      fPdgCode;    // Particle PDG Code
+    Int_t      fMotherID;   // Particle mother ID (-1 = primary, 0 = secondary, etc..)
+    Double_t   fMomX;       // Track momentum when releasing the hit (X)
+    Double_t   fMomY;       // Track momentum when releasing the hit (Y)
+    Double_t   fMomZ;       // Track momentum when releasing the hit (Z)
+    Double_t   fPosX;       // Hit coordinates (at the entrance of the detector) (X)
+    Double_t   fPosY;       // Hit coordinates (at the entrance of the detector) (Y)
+    Double_t   fPosZ;       // Hit coordinates (at the entrance of the detector) (Z)
+    
+    ClassDef(muCastorSkinHit,1) //muCastorSkinHit  
+};
+
+#endif //muCastort_SKINHIT_H
+
+

src/Vtk/CMakeLists.txt

@@ -31,8 +31,8 @@ target_link_libraries(${libname} ${LIBRARIES})
 
 install(TARGETS ${libname}
         EXPORT "${PROJECT_NAME}Targets"
-        RUNTIME DESTINATION ${PACKAGE_INSTALL_BIN_DIR} COMPONENT bin
-        LIBRARY DESTINATION ${PACKAGE_INSTALL_LIB_DIR} COMPONENT lib)
+        RUNTIME DESTINATION ${INSTALL_BIN_DIR} COMPONENT bin
+        LIBRARY DESTINATION ${INSTALL_LIB_DIR} COMPONENT lib)
 
-install(FILES ${HEADERS} DESTINATION ${PACKAGE_INSTALL_INC_DIR}/Vtk)
+install(FILES ${HEADERS} DESTINATION ${INSTALL_INC_DIR}/Vtk)
 

src/Vtk/vtkContainerBox.cpp

@@ -65,6 +65,7 @@ vtkContainerBox::~vtkContainerBox()
 vtkPolyData *vtkContainerBox::GetPolyData() const
 {
     // TODO
+    return NULL;
 }
 
 void vtkContainerBox::InstallPipe()

uLibConfig.cmake.in

@@ -1,15 +1,92 @@
-# - Config file for the FooBar package
+# - Config file for the ULib package
 # It defines the following variables
-#  FOOBAR_INCLUDE_DIRS - include directories for FooBar
-#  FOOBAR_LIBRARIES    - libraries to link against
-#  FOOBAR_EXECUTABLE   - the bar executable
+#  ULIB_INCLUDE_DIRS - include directories for ULib
+#  ULIB_LIBRARIES    - libraries to link against
+#  ULIB_EXECUTABLE   - the bar executable
+
+
+set(ULIB_VERSION @PROJECT_VERSION@)
+
+@PACKAGE_INIT@
+
+# Defines the include directories for the header files
+# PACKAGE_INCLUDE_INSTALL_DIR is replaced by configure_package_config_file
+# with the correct path for the installation.
+set(ULIB_INCLUDE_DIRS "${PACKAGE_INCLUDE_INSTALL_DIR}")
 
-# Compute paths
 get_filename_component(ULIB_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
-set(ULIB_INCLUDE_DIRS "@CONF_INCLUDE_DIRS@")
 
-# Our library dependencies (contains definitions for IMPORTED targets)
-include("${ULIB_CMAKE_DIR}/uLibTargets.cmake")
+# Search for the directory of exported build targets
+set(uLib_BUILD_TARGETS_FILE
+    "${ULIB_CMAKE_DIR}/uLibTargets-build.cmake"
+)
+
+# Search for the directory of installed targets
+set(uLib_INSTALL_TARGETS_FILE
+    "${ULIB_CMAKE_DIR}/uLibTargets.cmake"
+)
+
+# We use a logic based on the presence of the build target file
+# to determine if we are in a local build.
+if(EXISTS "${uLib_BUILD_TARGETS_FILE}")
+    message(STATUS " ++ Using uLib build targets")
+
+    include("${uLib_BUILD_TARGETS_FILE}")
+    set_and_check(ULIB_INCLUDE_DIRS "@ULIB_SOURCE_DIR@/src")
+    set_and_check(ULIB_LIBRARY_DIRS "${ULIB_CMAKE_DIR}")
+    set(ULIB_BUILD_DIR ${ULIB_CMAKE_DIR})
+
+    # Target that builds uLib inside its build directory
+    add_custom_target(uLib_dependency_target
+        COMMAND echo " --------------------------------- "
+        COMMAND echo " - Building uLib as a dependency - "
+        COMMAND echo " --------------------------------- "
+        COMMAND echo ""
+        COMMAND ${CMAKE_COMMAND} --build ${ULIB_BUILD_DIR}
+        COMMAND echo ""
+        WORKING_DIRECTORY ${ULIB_BUILD_DIR}
+    )
+
+    add_library(uLib_dependency INTERFACE)
+    add_dependencies(uLib_dependency uLib_dependency_target)
+    link_libraries(uLib_dependency)
+
+else()
+    message(STATUS " ++ Using uLib installed targets")
+
+    include("${uLib_INSTALL_TARGETS_FILE}")
+    set_and_check(ULIB_INCLUDE_DIRS "@PACKAGE_INSTALL_INC_DIR@")
+    set(ULIB_SYSCONFIG_DIR "@PACKAGE_INSTALL_ETC_DIR@")
+    set_and_check(ULIB_CMAKE_DIR "@PACKAGE_INSTALL_CMAKE_DIR@")
+    set_and_check(ULIB_LIBRARY_DIRS "@PACKAGE_INSTALL_LIB_DIR@")
+endif()
+
+# --- Add required packages from uLib ---
+# TODO: this should be selected if components are active
+#
+set(Boost_USE_STATIC_LIBS OFF)
+set(Boost_USE_MULTITHREADED ON)
+set(Boost_USE_STATIC_RUNTIME OFF)
+find_package(Boost 1.45.0 COMPONENTS program_options filesystem REQUIRED)
+include_directories(${Boost_INCLUDE_DIRS})
+link_libraries(${Boost_LIBRARIES})
+
+find_package(Eigen3 CONFIG REQUIRED)
+include(${EIGEN3_USE_FILE})
+
+find_package(ROOT CONFIG REQUIRED)
+include(${ROOT_USE_FILE})
+
+find_package(VTK REQUIRED)
+# include(${VTK_USE_FILE})
+
+
+
+link_directories("${ULIB_LIBRARY_DIRS}")
+set(ULIB_LIBRARIES "@ULIB_SHARED_LIBRARIES@")
+check_required_components(uLib)
+
+# Set the variable to indicate that the package has been found.
+set(uLib_FOUND TRUE)
+
 
-# These are IMPORTED targets created by FooBarTargets.cmake
-set(ULIB_LIBRARIES @ULIB_SHARED_LIBRARIES@)