diff --git a/generate_doc_figures.py b/generate_doc_figures.py
index 9364c6f4..2829d816 100755
--- a/generate_doc_figures.py
+++ b/generate_doc_figures.py
@@ -17,14 +17,14 @@ dp.AmbientColor = [1, 0, 0]
 view = GetActiveView()
 view.Background = [1, 1, 1]
 camera = GetActiveCamera()
-camera.SetPosition(20, 20, 110)
-camera.SetViewUp(0.5,0.3,0.7)
+camera.SetPosition(4, -6, 5)
+camera.SetViewUp(-0.19, 0.4, 0.9)
 camera.SetViewAngle(30)
-camera.SetFocalPoint(1,1,0.5)
+camera.SetFocalPoint(1.5, 1.5, 1)
 Render()
 WriteImage("Figure/tutorial1.png")
 Hide(grid)
-# remove("tutorial1.vtu")
+remove("tutorial1.vtu")
 
 # tutorial 2
 call("tutorials/tutorial2")
@@ -33,12 +33,10 @@ grid.UpdatePipeline()
 Show(grid)
 dp = GetDisplayProperties(grid)
 dp.Representation = 'Surface'
-data = grid.GetCellDataInformation()
-pressure = data.GetArray('pressure')
-pmin = pressure.GetRange()[0]
-pmax = pressure.GetRange()[1]
-dp.LookupTable = MakeBlueToRedLT(0.5*(pmin+pmax)-0.2*(pmax-pmin), 0.5*(pmin+pmax)-0.2*(pmax+pmin))
 dp.ColorArrayName = 'pressure'
+pres = grid.CellData.GetArray(0)
+pres_lookuptable = GetLookupTableForArray( "pressure", 1, RGBPoints=[pres.GetRange()[0], 1, 0, 0, pres.GetRange()[1], 0, 0, 1] )
+dp.LookupTable = pres_lookuptable
 view = GetActiveView()
 view.Background = [1, 1, 1]
 camera = GetActiveCamera()
@@ -48,4 +46,30 @@ camera.SetViewAngle(30)
 camera.SetFocalPoint(20, 20, 0.5)
 Render()
 WriteImage("Figure/tutorial2.png")
+Hide(grid)
 # remove("tutorial2.vtu")
+
+# # tutorial 3
+call("tutorials/tutorial3")
+cases = ["000", "005", "010", "015", "019"]
+for case in cases:
+    grid = servermanager.sources.XMLUnstructuredGridReader(FileName="tutorial3-"+case+".vtu")
+    grid.UpdatePipeline()
+    Show(grid)
+    dp = GetDisplayProperties(grid)
+    dp.Representation = 'Surface'
+    dp.ColorArrayName = 'saturation'
+    sat = grid.CellData.GetArray(1)
+    sat_lookuptable = GetLookupTableForArray( "saturation", 1, RGBPoints=[0, 1, 0, 0, 1, 0, 0, 1])
+    dp.LookupTable = sat_lookuptable
+    view.Background = [1, 1, 1]
+    camera = GetActiveCamera()
+    camera.SetPosition(100, 100, 550)
+    camera.SetViewUp(0, 1, 0)
+    camera.SetViewAngle(30)
+    camera.SetFocalPoint(100, 100, 5)
+    Render()
+    WriteImage("Figure/tutorial3-"+case+".png")
+Hide(grid)
+#  remove("tutorial3.vtu")
+