Added examples with Dereference_property_map and tuple property map

Point_set_processing_3/examples/Point_set_processing_3/average_spacing_example.cpp

@@ -5,14 +5,13 @@
 #include <vector>
 #include <fstream>
 #include <boost/tuple/tuple.hpp>
-#include <boost/tuple/tuple_io.hpp>
 
 // Types
 typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
 typedef Kernel::FT FT;
 typedef Kernel::Point_3 Point;
 
-// Data type := index, followed by the point, followed by three integers that 
+// Data type := index, followed by the point, followed by three integers that
 // define the Red Green Blue color of the point.
 typedef boost::tuple<int, Point, int, int, int> IndexedPointWithColorTuple;
 
@@ -38,10 +37,10 @@ int main(void)
     for(int i = 0; i < points.size(); i++)
     {
       points[i].get<0>() = i;   // set index value of tuple to i
-      
+
       points[i].get<2>() = 0;   // set RGB color to black
-      points[i].get<3>() = 0;  
-      points[i].get<4>() = 0;    
+      points[i].get<3>() = 0;
+      points[i].get<4>() = 0;
     }
 
     // Computes average spacing.

Point_set_processing_3/examples/Point_set_processing_3/remove_outliers_example.cpp

@@ -13,7 +13,7 @@ typedef Kernel::Point_3 Point;
 int main(void)
 {
   // Reads a .xyz point set file in points[].
-  // The dereference property map can be omitted here as it is the default value.
+  // The Dereference_property_map property map can be omitted here as it is the default value.
   std::vector<Point> points;
   std::ifstream stream("data/oni.xyz");
   if (!stream ||
@@ -24,10 +24,10 @@ int main(void)
   }
 
   // Removes outliers using erase-remove idiom.
-  // The dereference property map can be omitted here as it is the default value.
+  // The Dereference_property_map property map can be omitted here as it is the default value.
   const double removed_percentage = 5.0; // percentage of points to remove
   const int nb_neighbors = 7; // considers 7 nearest neighbor points
-  points.erase( 
+  points.erase(
          CGAL::remove_outliers(points.begin(), points.end(),
                                CGAL::Dereference_property_map<Point>(),
                                nb_neighbors,removed_percentage), points.end());