From fd8fb253d47aed0df53e4d3077f228377450c509 Mon Sep 17 00:00:00 2001
From: jriegel <FreeCAD@juergen-riegel.net>
Date: Fri, 22 Mar 2013 12:34:27 +0100
Subject: [PATCH] Methode stub for retriving surface nodes (todo)

---
 src/Mod/Fem/App/FemMesh.cpp           | 12 ++++++++++++
 src/Mod/Fem/App/FemMesh.h             |  5 +++++
 src/Mod/Fem/Gui/TaskCreateNodeSet.cpp | 14 ++++++++++++++
 3 files changed, 31 insertions(+)

diff --git a/src/Mod/Fem/App/FemMesh.cpp b/src/Mod/Fem/App/FemMesh.cpp
index 0b80148a1..759b72bf7 100755
--- a/src/Mod/Fem/App/FemMesh.cpp
+++ b/src/Mod/Fem/App/FemMesh.cpp
@@ -381,6 +381,18 @@ void FemMesh::compute()
     myGen->Compute(*myMesh, myMesh->GetShapeToMesh());
 }
 
+std::set<long> FemMesh::getSurfaceNodes(long ElemId,short FaceId, float Angle) const
+{
+    std::set<long> result;
+    const SMESHDS_Mesh* data = myMesh->GetMeshDS();
+
+    const SMDS_MeshElement * element = data->FindElement(ElemId);
+    int fNbr = element->NbFaces();
+    //element->
+
+    return result;
+}
+
 
 void FemMesh::readNastran(const std::string &Filename)
 {
diff --git a/src/Mod/Fem/App/FemMesh.h b/src/Mod/Fem/App/FemMesh.h
index d2502b4ca..274104b3f 100755
--- a/src/Mod/Fem/App/FemMesh.h
+++ b/src/Mod/Fem/App/FemMesh.h
@@ -79,6 +79,11 @@ public:
     virtual Data::Segment* getSubElement(const char* Type, unsigned long) const;
     //@}
 
+    /** @name search and retraivel */
+    //@{
+    std::set<long> getSurfaceNodes(long ElemId,short FaceId, float Angle=360)const;
+    //@}
+
     /** @name Placement control */
     //@{
     /// set the transformation 
diff --git a/src/Mod/Fem/Gui/TaskCreateNodeSet.cpp b/src/Mod/Fem/Gui/TaskCreateNodeSet.cpp
index efc203a04..8512a6f55 100644
--- a/src/Mod/Fem/Gui/TaskCreateNodeSet.cpp
+++ b/src/Mod/Fem/Gui/TaskCreateNodeSet.cpp
@@ -193,9 +193,23 @@ void TaskCreateNodeSet::onSelectionChanged(const Gui::SelectionChanges& msg)
         int elem = atoi(subName.substr(4).c_str());
         int face = atoi(subName.substr(i+1).c_str() );
 
+            tempSet.clear();
+
+
         Base::Console().Message("Picked Element:%i Face:%i\n",elem,face);
+
+
+        if(! ui->checkBox_Add->isChecked()){
+            std::set<long> tmp = pcObject->FemMesh.getValue<Fem::FemMeshObject*>()->FemMesh.getValue().getSurfaceNodes(elem,face);
+            tempSet.insert(tmp.begin(),tmp.end());
+        }else
+            tempSet = pcObject->FemMesh.getValue<Fem::FemMeshObject*>()->FemMesh.getValue().getSurfaceNodes(elem,face);
+
         selectionMode = none;
         Gui::Selection().rmvSelectionGate();
+
+        MeshViewProvider->setHighlightNodes(tempSet);
+
     }
 }