Add mv namespace

Author: alxvth

CMakeLists.txt

@@ -16,7 +16,7 @@ endif()
 set(PCA_PLUGIN "PcaPlugin")
 
 PROJECT(${PCA_PLUGIN} C CXX)
-
+message(STATUS "PcaPlugin: Start")
 # -----------------------------------------------------------------------------
 # Set cmake flags
 # -----------------------------------------------------------------------------
@@ -44,16 +44,19 @@ find_package(ManiVault COMPONENTS Core PointData CONFIG QUIET)
 find_package(OpenMP)
 
 if(OpenMP_CXX_FOUND)
-    message(STATUS "Found OpenMP")
+    message(STATUS "PcaPlugin: Found OpenMP")
 endif()
 
 find_package(Eigen3 CONFIG)
-if(NOT eigen_SOURCE_DIR AND NOT TARGET Eigen3::Eigen AND NOT Eigen3_FOUND)
+
+if(NOT TARGET Eigen3::Eigen)
     set(BUILD_TESTING OFF CACHE BOOL "Enable testing for Eigen" FORCE)
     set(EIGEN_BUILD_TESTING  OFF CACHE BOOL "Enable creation of Eigen tests." FORCE)
     set(EIGEN_BUILD_DOC OFF CACHE BOOL "Enable creation of Eigen documentation" FORCE)
     set(EIGEN_BUILD_DEMOS OFF CACHE BOOL "Toggles the building of the Eigen demos" FORCE)
     fetch_content_url(eigen "https://gitlab.com/libeigen/eigen/-/archive/5.0.1.tar.gz")
+else()
+    message(STATUS "PcaPlugin: Using external Eigen")
 endif()
 
 # -----------------------------------------------------------------------------

src/DimensionSelectionAction.h

@@ -11,7 +11,7 @@
  *
  * @author Thomas Kroes
  */
-class DimensionSelectionAction : public GroupAction
+class DimensionSelectionAction : public mv::gui::GroupAction
 {
 public: