From f1e06f0a6d0ed56fab4a18955cc67f238efcb43b Mon Sep 17 00:00:00 2001
From: Joachim Schoeberl <joachim.schoeberl@tuwien.ac.at>
Date: Fri, 12 Jul 2024 18:20:24 +0200
Subject: [PATCH] pickling 0D-elements

---
 libsrc/meshing/meshclass.cpp | 1 +
 libsrc/meshing/meshtype.cpp  | 4 ++++
 libsrc/meshing/meshtype.hpp  | 1 +
 3 files changed, 6 insertions(+)

diff --git a/libsrc/meshing/meshclass.cpp b/libsrc/meshing/meshclass.cpp
index e76b81b8..85106adb 100644
--- a/libsrc/meshing/meshclass.cpp
+++ b/libsrc/meshing/meshclass.cpp
@@ -1839,6 +1839,7 @@ namespace netgen
     archive & surfelements;
     archive & volelements;
     archive & segments;
+    archive & pointelements;
     archive & facedecoding;
     archive & materials & bcnames & cd2names & cd3names;
     archive & numvertices;
diff --git a/libsrc/meshing/meshtype.cpp b/libsrc/meshing/meshtype.cpp
index 5cd45321..f5dcfbe1 100644
--- a/libsrc/meshing/meshtype.cpp
+++ b/libsrc/meshing/meshtype.cpp
@@ -145,6 +145,10 @@ namespace netgen
 
 
 
+ void Element0d :: DoArchive (Archive & ar)
+ {
+   ar & pnum & index;
+ }
 
   Segment :: Segment() 
     : is_curved(false)
diff --git a/libsrc/meshing/meshtype.hpp b/libsrc/meshing/meshtype.hpp
index d814b850..bf044082 100644
--- a/libsrc/meshing/meshtype.hpp
+++ b/libsrc/meshing/meshtype.hpp
@@ -1164,6 +1164,7 @@ namespace netgen
     Element0d () = default;
     Element0d (PointIndex _pnum, int _index)
       : pnum(_pnum), index(_index) { ; } 
+    void DoArchive (Archive & ar);
   };
 
   ostream & operator<<(ostream  & s, const Element0d & el);