--- /dev/null
+# Copyright (C) 2012-2015 CEA/DEN, EDF R&D
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+
+from MEDLoader import *
+
+it,dt = (-1,-1)
+mesh = MEDLoader.ReadUMeshFromFile("field1.med","DomainMesh_1",0)
+f1 = MEDLoader.ReadField(ON_CELLS,"field1.med","DomainMesh_1",0,"field1",it,dt)
+f1.setMesh(mesh)
+
+mesh = MEDLoader.ReadUMeshFromFile("field2.med","DomainMesh_2",0)
+f2 = MEDLoader.ReadField(ON_CELLS,"field2.med","DomainMesh_2",0,"field2",it,dt)
+f2.setMesh(mesh)
+
+mesh = MEDLoader.ReadUMeshFromFile("field3.med","DomainMesh_3",0)
+f3 = MEDLoader.ReadField(ON_CELLS,"field3.med","DomainMesh_3",0,"field3",it,dt)
+f3.setMesh(mesh)
+
+#mesh = MEDLoader.ReadUMeshFromFile("field4.med","DomainMesh_4",0)
+#f4 = MEDLoader.ReadField(ON_CELLS,"field4.med","DomainMesh_4",0,"field4",it,dt)
+#f4.setMesh(mesh)
+
+fmerge=MEDCouplingFieldDouble.MergeFields([f1,f2,f3])
+fmerge.setName("merge")
+
+MEDLoader.WriteField("merge.med",fmerge,True)
+
