--- /dev/null
+# Convert mesh to/from quadratic
+
+import salome
+salome.salome_init_without_session()
+
+from salome.geom import geomBuilder
+from salome.smesh import smeshBuilder
+
+geom_builder = geomBuilder.New()
+smesh_builder = smeshBuilder.New()
+
+# create sphere of radius 100
+
+Sphere = geom_builder.MakeSphereR( 100 )
+geom_builder.addToStudy( Sphere, "Sphere" )
+
+# create simple trihedral mesh
+
+Mesh = smesh_builder.Mesh(Sphere)
+Regular_1D = Mesh.Segment()
+Nb_Segments = Regular_1D.NumberOfSegments(5)
+MEFISTO_2D = Mesh.Triangle()
+Tetrahedron = Mesh.Tetrahedron()
+
+# compute mesh
+
+isDone = Mesh.Compute()
+
+# convert to quadratic
+# theForce3d = 1; this results in the medium node lying at the
+# middle of the line segments connecting start and end node of a mesh
+# element
+
+Mesh.ConvertToQuadratic( theForce3d=1 )
+
+# revert back to the non-quadratic mesh
+
+Mesh.ConvertFromQuadratic()
+
+# convert to quadratic
+# theForce3d = 0; this results in the medium node lying at the
+# geometrical edge from which the mesh element is built
+
+Mesh.ConvertToQuadratic( theForce3d=0 )
+
+# to convert not the whole mesh but a sub-mesh, provide it as
+# an additional argument to the functions:
+# Mesh.ConvertToQuadratic( 0, subMesh )
+# Mesh.ConvertFromQuadratic( subMesh )
+#
+# Note that the mesh becomes non-conformal at conversion of sub-mesh.
