Merge witness documentation correction

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@2921 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 893873ebcabe2e9f876590f194d438018e0c83b4

1 files changed, 4 insertions, 2 deletions

diff --git a/src/Witness_complex/example/example_witness_complex_off.cpp b/src/Witness_complex/example/example_witness_complex_off.cpp
index b36dac0d..be11c955 100644
--- a/src/Witness_complex/example/example_witness_complex_off.cpp
+++ b/src/Witness_complex/example/example_witness_complex_off.cpp
@@ -4,6 +4,7 @@
 #include <gudhi/Simplex_tree.h>
 #include <gudhi/Euclidean_witness_complex.h>
 #include <gudhi/pick_n_random_points.h>
+#include <gudhi/choose_n_farthest_points.h>
 #include <gudhi/Points_off_io.h>
 
 #include <CGAL/Epick_d.h>
@@ -44,8 +45,9 @@ int main(int argc, char * const argv[]) {
   std::cout << "Successfully read " << point_vector.size() << " points.\n";
   std::cout << "Ambient dimension is " << point_vector[0].dimension() << ".\n";
 
-  // Choose landmarks
-  Gudhi::subsampling::pick_n_random_points(point_vector, nbL, std::back_inserter(landmarks));
+  // Choose landmarks (decomment one of the following two lines)
+  // Gudhi::subsampling::pick_n_random_points(point_vector, nbL, std::back_inserter(landmarks));
+  Gudhi::subsampling::choose_n_farthest_points(K(), point_vector, nbL, Gudhi::subsampling::random_starting_point, std::back_inserter(landmarks));
 
   // Compute witness complex
   start = clock();