diff options
Diffstat (limited to 'src/Persistence_representations/include/gudhi/Persistence_landscape_on_grid.h')
-rw-r--r-- | src/Persistence_representations/include/gudhi/Persistence_landscape_on_grid.h | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/Persistence_representations/include/gudhi/Persistence_landscape_on_grid.h b/src/Persistence_representations/include/gudhi/Persistence_landscape_on_grid.h index 4ceb9bf6..84fd22ed 100644 --- a/src/Persistence_representations/include/gudhi/Persistence_landscape_on_grid.h +++ b/src/Persistence_representations/include/gudhi/Persistence_landscape_on_grid.h @@ -1207,10 +1207,9 @@ void Persistence_landscape_on_grid::plot(const char* filename, double min_x, dou // this program create a gnuplot script file that allows to plot persistence diagram. std::ofstream out; - std::ostringstream nameSS; - nameSS << filename << "_GnuplotScript"; - std::string nameStr = nameSS.str(); - out.open(nameStr); + std::ostringstream gnuplot_script; + gnuplot_script << filename << "_GnuplotScript"; + out.open(gnuplot_script.str().c_str()); if (min_x == max_x) { std::pair<double, double> min_max = compute_minimum_maximum(); @@ -1241,7 +1240,6 @@ void Persistence_landscape_on_grid::plot(const char* filename, double min_x, dou out << "plot "; for (size_t lambda = from; lambda != to; ++lambda) { - // out << " '-' using 1:2 title 'l" << lambda << "' with lp"; out << " '-' using 1:2 notitle with lp"; if (lambda + 1 != to) { out << ", \\"; @@ -1261,8 +1259,8 @@ void Persistence_landscape_on_grid::plot(const char* filename, double min_x, dou } out << "EOF" << std::endl; } - std::cout << "Gnuplot script to visualize persistence diagram written to the file: " << nameStr << ". Type load '" - << nameStr << "' in gnuplot to visualize." << std::endl; + std::cout << "To visualize, install gnuplot and type the command: gnuplot -persist -e \"load \'" + << gnuplot_script.str().c_str() << "\'\"" << std::endl; } template <typename T> |