Produce a stream of data

src/one-body-sample.cc

@@ -43,6 +43,8 @@
 #include <dune/tectonic/myconvexproblem.hh>
 #include <dune/tectonic/myblockproblem.hh>
 
+#include "boost/format.hpp"
+
 int const dim = 2;
 
 template <class GridView>
@@ -225,6 +227,14 @@ int main() {
                                       solver_tolerance, &energyNorm,
                                       Solver::FULL); // Solver::QUIET);
         solver.solve();
+
+        Dune::VTKWriter<GridType::LeafGridView> writer(leafView);
+        std::string filename((boost::format("obs%d") % run).str());
+        Dune::shared_ptr<Dune::VTKBasisGridFunction<P1Basis, VectorType>> ptr(
+            new Dune::VTKBasisGridFunction<P1Basis, VectorType>(
+                p1Basis, u1, "displacement"));
+        writer.addVertexData(ptr);
+        writer.write(filename.c_str());
       }
 
       // Use a linear solver for comparison; should return roughly the
@@ -242,13 +252,6 @@ int main() {
       }
     }
 
-    Dune::shared_ptr<Dune::VTKBasisGridFunction<P1Basis, VectorType>> ptr(
-        new Dune::VTKBasisGridFunction<P1Basis, VectorType>(p1Basis, u1,
-                                                            "displacement"));
-    Dune::VTKWriter<GridType::LeafGridView> writer(leafView);
-    writer.addVertexData(ptr);
-    writer.write("weeee");
-
     VectorType diff = u2;
     diff -= u1;
     std::cout << "Infinity norm of the difference of the two solutions: "