first draft version of OpenGR wrapper

Author: sloriot

Installation/cmake/modules/FindOpenGR.cmake

@@ -0,0 +1,33 @@
+if ( NOT (OpenGR_LIBRARIES AND OpenGR_INCLUDE_DIR) )
+
+# look for headers
+  if (NOT OpenGR_INCLUDE_DIR)
+    find_path(OpenGR_INC_DIR
+              NAMES "super4pcs/shared4pcs.h")
+
+    if(NOT OpenGR_INC_DIR)
+      message(STATUS "Can not find OpenGR include directory")
+    else()
+      message(STATUS "Found OpenGR headers in ${OpenGR_INC_DIR}")
+      set(OpenGR_INCLUDE_DIR "${OpenGR_INC_DIR}" CACHE PATH "Path to OpenGR headers files")
+    endif()
+  endif()
+
+# look for library
+  if (NOT OpenGR_LIBRARIES)
+    find_library(OpenGR_algo_LIBRARY
+                 NAMES opengr_algo)
+
+    if (NOT OpenGR_algo_LIBRARY)
+      message(STATUS "Can not find OpenGR libraries")
+    else()
+      message(STATUS "Found OpenGR algorithm library: ${OpenGR_algo_LIBRARY}")
+      set(OpenGR_LIBRARIES "${OpenGR_algo_LIBRARY}" CACHE PATH "OpenGR libraries")
+    endif()
+  endif()
+
+endif()
+
+if ( OpenGR_LIBRARIES AND OpenGR_INCLUDE_DIR )
+  set(OpenGR_FOUND ON)
+endif()

Point_set_processing_3/examples/Point_set_processing_3/CMakeLists.txt

@@ -82,6 +82,17 @@ if ( CGAL_FOUND )
     include( ${EIGEN3_USE_FILE} )
   endif()
 
+  if (EIGEN3_FOUND)
+    find_package(OpenGR)
+    if (OpenGR_FOUND)
+      include_directories(SYSTEM ${OpenGR_INCLUDE_DIR})
+      create_single_source_cgal_program( "registration_with_OpenGR.cpp" )
+      target_link_libraries("registration_with_OpenGR" PRIVATE ${OpenGR_LIBRARIES})
+    else()
+      message(STATUS "NOTICE: registration_with_OpenGR requires OpenGR, and will not be compiled.")
+    endif()
+  endif()
+
   if(EIGEN3_FOUND OR LAPACK_FOUND)
     # Executables that require Eigen or BLAS and LAPACK
     create_single_source_cgal_program( "jet_smoothing_example.cpp" )