diff --git a/src/python/expected_results/Cantilever.part0.exnode b/src/python/expected_results/Cantilever.part0.exnode
index a3b64a2..571ad70 100644
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-  -1.1852040486807930E-01
-  -2.0811395052305785E-02
-  -2.3684882109138218E-04
-  4.3907703050321423E-03
-  -6.9967157711270239E-03
-  -2.8121819108654581E-03
+  -3.7958860295194343E-03
+  2.2941275277787621E-03
+  -2.8245259218568974E-02
+  -2.3730781862847089E-01
+  -1.9176281158648725E-01
+  4.9216615629959770E-02
  Node:            16
   0.0000000000000000E+00
   1.0000000000000000E+01
@@ -1616,8 +1616,8 @@
   -1.9561543361953690E-01
   1.0452833107849600E+00
   1.3364049552306442E-01
-  6.4449302147330037E-02
-  1.1203852416979090E-02
-  1.8299954408017274E-03
-  -2.0594110596446544E-02
-  -1.0416931062115457E-01
+  1.9284325616359212E-02
+  4.3215560466798773E-02
+  5.3526779513190390E-02
+  -1.5418630672150371E-01
+  1.1807695209690259E+00
diff --git a/src/python/fitting_gauss_stress.py b/src/python/fitting_gauss_stress.py
index 6ee6b27..89455ca 100644
--- a/src/python/fitting_gauss_stress.py
+++ b/src/python/fitting_gauss_stress.py
@@ -125,26 +125,31 @@
 numberOfZNodes = numberOfGlobalZElements*(numberOfNodesXi-1)+1
 numberOfNodes = numberOfXNodes*numberOfYNodes*numberOfZNodes
     
+worldRegion = iron.Region()
+iron.Context.WorldRegionGet(worldRegion)
+
 # Get the number of computational nodes and this computational node number
-numberOfComputationalNodes = iron.ComputationalNumberOfNodesGet()
-computationalNodeNumber = iron.ComputationalNodeNumberGet()
+computationEnvironment = iron.ComputationEnvironment()
+iron.Context.ComputationEnvironmentGet(computationEnvironment)
+numberOfComputationalNodes = computationEnvironment.NumberOfWorldNodesGet()
+computationalNodeNumber = computationEnvironment.WorldNodeNumberGet()
 
 # Create a 3D rectangular cartesian coordinate system
 coordinateSystem = iron.CoordinateSystem()
-coordinateSystem.CreateStart(coordinateSystemUserNumber)
+coordinateSystem.CreateStart(coordinateSystemUserNumber,iron.Context)
 coordinateSystem.DimensionSet(3)
 coordinateSystem.CreateFinish()
 
 # Create a region and assign the coordinate system to the region
 region = iron.Region()
-region.CreateStart(regionUserNumber,iron.WorldRegion)
+region.CreateStart(regionUserNumber,worldRegion)
 region.LabelSet("CantileverRegion")
 region.coordinateSystem = coordinateSystem
 region.CreateFinish()
 
 # Define quadratic basis
 quadraticBasis = iron.Basis()
-quadraticBasis.CreateStart(basisUserNumber)
+quadraticBasis.CreateStart(basisUserNumber,iron.Context)
 quadraticBasis.type = iron.BasisTypes.LAGRANGE_HERMITE_TP
 quadraticBasis.numberOfXi = 3
 quadraticBasis.interpolationXi = [iron.BasisInterpolationSpecifications.QUADRATIC_LAGRANGE]*3
@@ -153,7 +158,7 @@
 
 # Define linear basis
 linearBasis = iron.Basis()
-linearBasis.CreateStart(pressureBasisUserNumber)
+linearBasis.CreateStart(pressureBasisUserNumber,iron.Context)
 linearBasis.type = iron.BasisTypes.LAGRANGE_HERMITE_TP
 linearBasis.numberOfXi = 3
 linearBasis.interpolationXi = [iron.BasisInterpolationSpecifications.LINEAR_LAGRANGE]*3
@@ -378,7 +383,7 @@
 elasticityProblemSpecification = [iron.ProblemClasses.ELASTICITY,
                                   iron.ProblemTypes.FINITE_ELASTICITY,
                                   iron.ProblemSubtypes.STATIC_FINITE_ELASTICITY]
-elasticityProblem.CreateStart(elasticityProblemUserNumber,elasticityProblemSpecification)
+elasticityProblem.CreateStart(elasticityProblemUserNumber,iron.Context,elasticityProblemSpecification)
 elasticityProblem.CreateFinish()
 
 # Create the elasticity problem control loop
@@ -443,7 +448,7 @@
                                iron.ProblemTypes.DATA_FITTING,
                                iron.ProblemSubtypes.STATIC_FITTING]
 fittingProblem = iron.Problem()
-fittingProblem.CreateStart(fittingProblemUserNumber,fittingProblemSpecification)
+fittingProblem.CreateStart(fittingProblemUserNumber,iron.Context,fittingProblemSpecification)
 fittingProblem.CreateFinish()
 
 # Create control loops
diff --git a/src/python/visualise.cmgui b/src/python/visualise.cmgui
index 240318a..65c8540 100644
--- a/src/python/visualise.cmgui
+++ b/src/python/visualise.cmgui
@@ -53,7 +53,7 @@ gfx modify g_element CantileverRegion lines coordinate Deformed material red
 #gfx modify g_element CantileverRegion node_points coordinate Deformed glyph arrow_solid general size "1.0*1.01*1.0" centre 0,0,0 font default orientation Traction select_on material default data TractionMagnitude scale_factors "0.05*0.01*0.00" selected_material default_selected spectrum TractionSpectrum
 
 #Display stress field on deformed surface
-gfx modify g_element CantileverRegion surfaces coordinate Deformed exterior tessellation default LOCAL native_discretization NONE select_on data StressZZ spectrum StressSpectrum selected_material default_selected render_shaded
+gfx modify g_element CantileverRegion surfaces coordinate Deformed exterior tessellation default LOCAL native_discretization NONE select_on data StressYY spectrum StressSpectrum selected_material default_selected render_shaded
 
 #Write out image
 gfx print window 1 jpg file "FittedStress.jpg" height 1000 width 1500