Merge pull request #6774 from bangerth/serialize-viz-pp

Serialize the visualization postprocessors.

Author: gassmoeller

source/postprocess/visualization.cc

@@ -1468,6 +1468,13 @@ namespace aspect
     void
     Visualization<dim>::save (std::map<std::string, std::string> &status_strings) const
     {
+      // First let all the visualization postprocessors save their data in a
+      // map that we can then serialize:
+      std::map<std::string,std::string> saved_postprocessors;
+      for (const auto &p : postprocessors)
+        p->save (saved_postprocessors);
+
+
       // Serialize into a stringstream. Put the following into a code
       // block of its own to ensure the destruction of the 'oa'
       // archive triggers a flush() on the stringstream so we can
@@ -1476,11 +1483,10 @@ namespace aspect
       {
         aspect::oarchive oa (os);
         oa << (*this);
+        oa << saved_postprocessors;
       }
 
       status_strings["Visualization"] = os.str();
-
-//TODO: do something about the visualization postprocessor plugins
     }
 
 
@@ -1494,9 +1500,14 @@ namespace aspect
           std::istringstream is (status_strings.find("Visualization")->second);
           aspect::iarchive ia (is);
           ia >> (*this);
-        }
 
-//TODO: do something about the visualization postprocessor plugins
+          // Now also retrieve information about visualization postprocessors we
+          // may have serialized
+          std::map<std::string,std::string> saved_postprocessors;
+          ia >> saved_postprocessors;
+          for (auto &p : postprocessors)
+            p->load (saved_postprocessors);
+        }
     }