No need to futz with the VTK flags in step-15.

diff --git a/examples/step-15/step-15.cc b/examples/step-15/step-15.cc
index f633133420295e3a0edccb186e5352869201c57a..372dbd1083960b9cef6e53f2011ae6a694a27952 100644 (file)
--- a/examples/step-15/step-15.cc
+++ b/examples/step-15/step-15.cc
@@ -676,13 +676,10 @@ namespace Step15
         data_out.add_data_vector(present_solution, "solution");
         data_out.add_data_vector(newton_update, "update");
         data_out.build_patches();
+
         const std::string filename =
           "solution-" + Utilities::int_to_string(refinement, 2) + ".vtk";
-        std::ofstream         output(filename);
-        DataOutBase::VtkFlags vtk_flags;
-        vtk_flags.compression_level =
-          DataOutBase::VtkFlags::ZlibCompressionLevel::best_speed;
-        data_out.set_flags(vtk_flags);
+        std::ofstream output(filename);
         data_out.write_vtu(output);
       }
   }