From 96e77ab5bf17addd05459175f1422856c1e1feba Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Fri, 15 May 2015 13:48:29 +0200
Subject: [PATCH] + FEM: replace set with list to preserve order

---
 src/Mod/Fem/App/FemMesh.cpp      | 6 +++---
 src/Mod/Fem/App/FemMesh.h        | 2 +-
 src/Mod/Fem/App/FemMeshPyImp.cpp | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/Mod/Fem/App/FemMesh.cpp b/src/Mod/Fem/App/FemMesh.cpp
index 91701e188..0f71cd219 100755
--- a/src/Mod/Fem/App/FemMesh.cpp
+++ b/src/Mod/Fem/App/FemMesh.cpp
@@ -626,13 +626,13 @@ std::set<int> FemMesh::getNodesByVertex(const TopoDS_Vertex &vertex) const
     return result;
 }
 
-std::set<int> FemMesh::getElementNodes(int id) const
+std::list<int> FemMesh::getElementNodes(int id) const
 {
-    std::set<int> result;
+    std::list<int> result;
     const SMDS_MeshElement* elem = myMesh->GetMeshDS()->FindElement(id);
     if (elem) {
         for (int i = 0; i < elem->NbNodes(); i++)
-            result.insert(elem->GetNode(i)->GetID());
+            result.push_back(elem->GetNode(i)->GetID());
     }
     return result;
 }
diff --git a/src/Mod/Fem/App/FemMesh.h b/src/Mod/Fem/App/FemMesh.h
index 2ca263086..3d1461868 100755
--- a/src/Mod/Fem/App/FemMesh.h
+++ b/src/Mod/Fem/App/FemMesh.h
@@ -94,7 +94,7 @@ public:
     /// retrieving by vertex
     std::set<int> getNodesByVertex(const TopoDS_Vertex &vertex) const;
     /// retrieving node IDs by element ID
-    std::set<int> getElementNodes(int id) const;
+    std::list<int> getElementNodes(int id) const;
     /// retrieving volume IDs and face IDs number by face
     std::list<std::pair<int, int> > getVolumesByFace(const TopoDS_Face &face) const;
     /// retrieving volume IDs and CalculiX face number by face
diff --git a/src/Mod/Fem/App/FemMeshPyImp.cpp b/src/Mod/Fem/App/FemMeshPyImp.cpp
index 703ff53e9..3a402ab73 100755
--- a/src/Mod/Fem/App/FemMeshPyImp.cpp
+++ b/src/Mod/Fem/App/FemMeshPyImp.cpp
@@ -690,10 +690,10 @@ PyObject* FemMeshPy::getElementNodes(PyObject *args)
          return 0;
 
     try {
-        std::set<int> resultSet = getFemMeshPtr()->getElementNodes(id);
+        std::list<int> resultSet = getFemMeshPtr()->getElementNodes(id);
         Py::Tuple ret(resultSet.size());
         int index = 0;
-        for (std::set<int>::const_iterator it = resultSet.begin();it!=resultSet.end();++it)
+        for (std::list<int>::const_iterator it = resultSet.begin();it!=resultSet.end();++it)
             ret.setItem(index++, Py::Int(*it));
 
         return Py::new_reference_to(ret);