Merge of branch persistence_representation_integration_cmake_improvement

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@3117 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 673143bd16e06d990aeb104a506cfd71f91a8717

1 files changed, 8 insertions, 8 deletions

diff --git a/src/Persistence_representations/utilities/persistence_landscapes/plot_landscapes.cpp b/src/Persistence_representations/utilities/persistence_landscapes/plot_landscapes.cpp
index ebdb20a1..c797a7a8 100644
--- a/src/Persistence_representations/utilities/persistence_landscapes/plot_landscapes.cpp
+++ b/src/Persistence_representations/utilities/persistence_landscapes/plot_landscapes.cpp
@@ -28,16 +28,16 @@
 using Persistence_landscape = Gudhi::Persistence_representations::Persistence_landscape;
 
 int main(int argc, char** argv) {
-  std::cout << "This program plot persistence landscape stored in a file (the file needs to be created beforehand). "
-               "Please call the code with the name of a landscape file \n";
+  std::cout << "This program creates a gnuplot script from a persistence landscape stored in a file (the file needs "
+            << "to be created beforehand). Please call the code with the name of a single landscape file.\n";
+  if (argc != 2) {
+    std::cout << "Wrong parameter list, the program will now terminate \n";
+    return 1;
+  }
+
   Persistence_landscape l;
   l.load_landscape_from_file(argv[1]);
-
-  std::stringstream ss;
-  ss << argv[1] << "_gnuplot_script";
-  l.plot(ss.str().c_str());
-
-  std::cout << "Done \n";
+  l.plot(argv[1]);
 
   return 0;
 }