diff --git a/Packages/Triangulation_2/examples/Triangulation_2/Makefile b/Packages/Triangulation_2/examples/Triangulation_2/Makefile
index d900222fb38..2743c0195ec 100644
--- a/Packages/Triangulation_2/examples/Triangulation_2/Makefile
+++ b/Packages/Triangulation_2/examples/Triangulation_2/Makefile
@@ -58,12 +58,15 @@ terrain : terrain.o
 regular : regular.o
 	$(CGAL_CXX) -o regular regular.o $(LDFLAGS)
 
+constrained : constrained.o
+	$(CGAL_CXX) -o constrained constrained.o $(LDFLAGS)
+
 clean:
 	rm -rf *~ *.o *.obj core tr
 
 realclean: clean
 	rm -rf points example voronoi colored_face triangulation_prog1 \
-	terrain  regular *.exe \
+	terrain  regular constrained *.exe \
 	Program* Compiler* Error* error.txt
 
 
diff --git a/Packages/Triangulation_2/examples/Triangulation_2/data/poisson b/Packages/Triangulation_2/examples/Triangulation_2/data/poisson
new file mode 100644
index 00000000000..b87d3bff6f2
--- /dev/null
+++ b/Packages/Triangulation_2/examples/Triangulation_2/data/poisson
@@ -0,0 +1,17 @@
+16
+-0.25  0.0 	-0.5  1.0
+-0.25  0.0	-0.5 -1.0
+-0.5  1.0	 0.0  0.5
+-0.5 -1.0	 0.0 -0.5 
+ 0.0  0.5	 0.5  1.0
+ 0.0 -0.5	 0.5 -1.0
+ 0.5  1.0	 1.0  0.0
+ 0.5 -1.0	 1.0  0.0
+ 0.25 0.0	0.5 0.5
+0.25 0.0	0.5 -0.5
+0.5 0.5		0.75 0.0
+0.5 -0.5	0.75 0.0
+-0.25 0.0	-0.5 0.5
+-0.25 0.0	-0.5 -0.5
+-0.5 0.5	-0.75 0.0
+-0.5 -0.5	-0.75 0.0
\ No newline at end of file
diff --git a/Packages/Triangulation_2/examples/Triangulation_2/data/replay b/Packages/Triangulation_2/examples/Triangulation_2/data/replay
deleted file mode 100644
index 289a24781a1..00000000000
--- a/Packages/Triangulation_2/examples/Triangulation_2/data/replay
+++ /dev/null
@@ -1,7 +0,0 @@
-6
-0.528 -0.3245 1	0.891 -0.0825 1
--0.748 -0.451 1	-0.022 -0.4895 1
-0.5115 0.055 1	-0.55 -0.0715 1
--0.682 0.374 1	-0.165 0.363 1
-0.737 0.4125 1	-0.264 0.1485 1
--0.4345 0.913 1	-0.0605 0.55 1
diff --git a/Packages/Triangulation_2/examples/Triangulation_2/points.C b/Packages/Triangulation_2/examples/Triangulation_2/points.C
index 96de1fbc3df..6c2daf5c899 100644
--- a/Packages/Triangulation_2/examples/Triangulation_2/points.C
+++ b/Packages/Triangulation_2/examples/Triangulation_2/points.C
@@ -15,35 +15,22 @@ typedef CGAL::Triangulation_default_data_structure_2<Gt,Vb,Fb> Tds;
 typedef CGAL::Triangulation_2<Gt,Tds>  Triangulation;
 typedef CGAL::Delaunay_triangulation_2<Gt,Tds>  Delaunay_triangulation;
 
-int main(int, char* argv[])
+int main()
 {
-
   Triangulation T;
-
   PVector V;
-
-  std::ifstream data(argv[1]);
-  
+  std::ifstream data("data/points.cin");
   if(data.bad()){
-    std::cout << "Problem with file " << argv[1] << std::endl;
+    std::cout << "Problem with file " << "data/points.cin" << std::endl;
   }
   data >> V;
 
-  std::cout << V.size() << std::endl;
-
-  int count = 0;
+  std::cout << V.size() << " points read " << std::endl;
   std::cout << "Start insertion" << std::endl;
   for(int i = 0; i<V.size();i++){
-    
     T.insert(V[i]);
-
-    if(++count == 100){
-      std::cout << ".";
-      count = 0;
-    }
   }
   std::cout << std::endl << "done" << std::endl;
   T.is_valid();
-
   return 0;
 }
diff --git a/Packages/Triangulation_2/examples/Triangulation_2/voronoi.cmd b/Packages/Triangulation_2/examples/Triangulation_2/voronoi.cmd
deleted file mode 100644
index 331aaba5aca..00000000000
--- a/Packages/Triangulation_2/examples/Triangulation_2/voronoi.cmd
+++ /dev/null
@@ -1 +0,0 @@
--file data/replay