Merge branch 'write_identificationnames_mesh' into 'master'

write identification names into mesh

See merge request ngsolve/netgen!666

libsrc/meshing/meshclass.cpp

@@ -901,6 +901,13 @@ namespace netgen
             outfile << " " << type;
           }
         outfile << "\n";
+        outfile << "identificationnames\n";
+        outfile << ident -> GetMaxNr() << "\n";
+        for (i = 1; i <= ident -> GetMaxNr(); i++)
+          {
+            string name = ident -> GetName(i);
+            outfile << ident->GetName(i) << "\n";
+          }
       }
 
     int cntmat = 0;
@@ -1451,6 +1458,17 @@ namespace netgen
                 ident -> SetType(i,Identifications::ID_TYPE(type));
               }
           }
+        if (strcmp (str, "identificationnames") == 0)
+          {
+            infile >> n;
+            PrintMessage (3, n, " identificationnames");
+            for (i = 1; i <= n; i++)
+              {
+                string name;
+                infile >> name;
+                ident -> SetName(i,name);
+              }
+          }
 
         if (strcmp (str, "materials") == 0)
           {

libsrc/meshing/meshtype.hpp

@@ -1642,6 +1642,19 @@ namespace netgen
          names.Append(name);
       return names.Pos(name)+1;
     }
+    string GetName(int nr) const
+    {
+      if (nr <= names.Size())
+        return names[nr - 1];
+      else
+        return "";
+    }
+    void SetName(int nr, string name)
+    {
+      while(names.Size() < nr)
+        names.Append("");
+      names[nr-1] = name;
+    }
 
     /// remove secondorder
     void SetMaxPointNr (int maxpnum);