From 2540f2a3bb4fe7f06406bcb78c53d3d05917367f Mon Sep 17 00:00:00 2001
From: Bernd Hahnebach <bernd@bimstatik.org>
Date: Wed, 14 Mar 2018 07:46:27 +0100
Subject: [PATCH] FEM: mesh export, fix init file and better output

---
 src/Mod/Fem/App/FemMesh.cpp | 18 ++++++++++++------
 src/Mod/Fem/Init.py         |  2 +-
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/Mod/Fem/App/FemMesh.cpp b/src/Mod/Fem/App/FemMesh.cpp
index 6b3be94a9a..bbcfe1a741 100644
--- a/src/Mod/Fem/App/FemMesh.cpp
+++ b/src/Mod/Fem/App/FemMesh.cpp
@@ -1570,21 +1570,26 @@ void FemMesh::write(const char *FileName) const
     Base::FileInfo File(FileName);
 
     if (File.hasExtension("unv") ) {
-        // read UNV file
-         myMesh->ExportUNV(File.filePath().c_str());
+        Base::Console().Message("The selected FEM mesh object will be exported to unv format.\n");
+        // write UNV file
+        myMesh->ExportUNV(File.filePath().c_str());
     }
     else if (File.hasExtension("med") ) {
-         myMesh->ExportMED(File.filePath().c_str(),File.fileNamePure().c_str(),false,2); // 2 means MED_V2_2 version !
+        Base::Console().Message("The selected FEM mesh object will be exported to med format.\n");
+        myMesh->ExportMED(File.filePath().c_str(),File.fileNamePure().c_str(),false,2); // 2 means MED_V2_2 version !
     }
     else if (File.hasExtension("stl") ) {
-        // read brep-file
+        Base::Console().Message("The selected FEM mesh object will be exported to stl format.\n");
+        // export to stl file
         myMesh->ExportSTL(File.filePath().c_str(),false);
     }
     else if (File.hasExtension("dat") ) {
-        // read brep-file
+        Base::Console().Message("The selected FEM mesh object will be exported to dat format.\n");
+        // export to dat file
         myMesh->ExportDAT(File.filePath().c_str());
     }
     else if (File.hasExtension("inp") ) {
+        Base::Console().Message("The selected FEM mesh object will be exported to inp format.\n");
         // get Abaqus inp prefs
         ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Fem/Abaqus");
         int elemParam = hGrp->GetInt("AbaqusElementChoice", 1);
@@ -1594,12 +1599,13 @@ void FemMesh::write(const char *FileName) const
     }
 #ifdef FC_USE_VTK
     else if (File.hasExtension("vtk") || File.hasExtension("vtu") ) {
+        Base::Console().Message("The selected FEM mesh object will be exported to either vtk or vtu format.\n");
         // write unstructure mesh to VTK format *.vtk and *.vtu
         FemVTKTools::writeVTKMesh(File.filePath().c_str(), this);
     }
 #endif
     else{
-        throw Base::Exception("Unknown extension");
+        throw Base::Exception("An unknown file extension was added!");
     }
 }
 
diff --git a/src/Mod/Fem/Init.py b/src/Mod/Fem/Init.py
index e84bcf6609..53bac65a47 100644
--- a/src/Mod/Fem/Init.py
+++ b/src/Mod/Fem/Init.py
@@ -31,7 +31,7 @@ import FreeCAD
 FreeCAD.addExportType("FEM mesh TetGen (*.poly)", "feminout.convert2TetGen")
 
 FreeCAD.addImportType("FEM mesh formats (*.unv *.med *.dat *.bdf)", "Fem")
-FreeCAD.addExportType("FEM mesh formats (*.unv *.med *.dat *.inp)", "Fem")
+FreeCAD.addExportType("FEM mesh formats (*.unv *.med *.stl *.dat *.inp *.vtk *.vtu)", "Fem")
 
 FreeCAD.addImportType("FEM mesh CalculiX/Abaqus (*.inp)", "feminout.importInpMesh")
 FreeCAD.addImportType("FEM result CalculiX (*.frd)", "feminout.importCcxFrdResults")