diff --git a/Triangulation_on_sphere_2/demo/Triangulation_on_sphere_2/CMakeLists.txt b/Triangulation_on_sphere_2/demo/Triangulation_on_sphere_2/CMakeLists.txt
index f7fab762852..3fe35c9a9c5 100644
--- a/Triangulation_on_sphere_2/demo/Triangulation_on_sphere_2/CMakeLists.txt
+++ b/Triangulation_on_sphere_2/demo/Triangulation_on_sphere_2/CMakeLists.txt
@@ -1,53 +1,33 @@
 # Created by the script cgal_create_cmake_script
 # This is the CMake script for compiling a CGAL application.
 
-project (simpleViewer)
 
-cmake_minimum_required(VERSION 2.4.5)
+project( Triangulation_on_sphere_2_ )
 
-set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
-
-if ( COMMAND cmake_policy )
-  cmake_policy( SET CMP0003 NEW )  
+cmake_minimum_required(VERSION 2.6.2)
+if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" VERSION_GREATER 2.6)
+  if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
+    cmake_policy(VERSION 2.8.4)
+  else()
+    cmake_policy(VERSION 2.6)
+  endif()
 endif()
 
-find_package(CGAL  COMPONENTS Qt4)
-include(${CGAL_USE_FILE})
+find_package(CGAL QUIET COMPONENTS Core )
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-find_package(Qt4)
+if ( CGAL_FOUND )
 
-find_package(OpenGL)
-find_package(QGLViewer)
+  include( ${CGAL_USE_FILE} )
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND )
+  include( CGAL_CreateSingleSourceCGALProgram )
 
-  include(${QT_USE_FILE})
+  include_directories (BEFORE "../../include")
 
-  include_directories (${QGLVIEWER_INCLUDE_DIR})
-  include_directories (BEFORE ../../include ./ )
-
-  # ui file, created wih Qt Designer
-  qt4_wrap_ui( uis Mainwindow.ui )
-
-  # qrc files (resources files, that contain icons, at least)
-  #qt4_add_resources ( RESOURCE_FILES ./Alpha_shape_3.qrc )
-
-  qt4_generate_moc( main.cpp Mainwindow.moc)
-
-  add_executable  ( simpleViewer Mainwindow.moc main.cpp ${uis}  ${RESOURCE_FILES} )
-
-  add_to_cached_list( CGAL_EXECUTABLE_TARGETS simpleViewer )
-
-  target_link_libraries( simpleViewer ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIBRARIES})
-  target_link_libraries( simpleViewer ${QT_LIBRARIES} ${QGLVIEWER_LIBRARIES} )
-  target_link_libraries( simpleViewer ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY} )
+  create_single_source_cgal_program( "main.cpp" )
 
 else()
-
-  message(STATUS "NOTICE: This demo requires CGAL, the QGLViewer, OpenGL and Qt4, and will not be compiled.")
-
+  
+    message(STATUS "This program requires the CGAL library, and will not be compiled.")
+  
 endif()
+
diff --git a/Triangulation_on_sphere_2/demo/Triangulation_on_sphere_2/main.cpp b/Triangulation_on_sphere_2/demo/Triangulation_on_sphere_2/main.cpp
index f0951bd8bc7..1e7a5ea274f 100644
--- a/Triangulation_on_sphere_2/demo/Triangulation_on_sphere_2/main.cpp
+++ b/Triangulation_on_sphere_2/demo/Triangulation_on_sphere_2/main.cpp
@@ -1,8 +1,9 @@
 //Author: Sebastien Loriot sebastien.loriot@sophia.inria.fr
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Exact_spherical_kernel_3.h>
-#include <CGAL/Regular_triangulation_sphere_traits_2.h>
-#include <CGAL/Regular_triangulation_on_sphere_2.h>
+//#include <CGAL/Delaunay_triangulation_sphere_traits_2.h>
+#include <CGAL/Projection_sphere_traits_3.h>
+#include <CGAL/Delaunay_triangulation_sphere_2.h>
 #include <CGAL/utility.h>
 #include <CGAL/Qt/DemosMainWindow.h>
 #include <QMainWindow>
@@ -17,8 +18,9 @@ typedef CGAL::Exact_predicates_inexact_constructions_kernel         Kernel;
 #include "simpleViewer.h"
 #include "ui_Mainwindow.h"
 
-typedef CGAL::Regular_triangulation_sphere_traits_2<Kernel>         Gt;
-typedef CGAL::Regular_triangulation_on_sphere_2<Gt>                 RTOS;
+//typedef CGAL::Regular_triangulation_sphere_traits_2<Kernel>         Gt;
+typedef CGAL::Projection_sphere_traits_3<Kernel>					Gt;
+typedef CGAL::Delaunay_triangulation_sphere_2<Gt>                 RTOS;
 
 
 struct Cell_info{