diff --git a/src/Python/Utilities/Animation.py b/src/Python/Utilities/Animation.py
index 31dfecc0b30e144fd823015f860f47b7e5bd5e69..ec287af24978358b50475ffb35b69b7ee260c74e 100755
--- a/src/Python/Utilities/Animation.py
+++ b/src/Python/Utilities/Animation.py
@@ -1,4 +1,16 @@
-import vtkmodules.all as vtk
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkInteractionStyle
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkRenderingOpenGL2
+from vtkmodules.vtkCommonColor import vtkNamedColors
+from vtkmodules.vtkFiltersSources import vtkSphereSource
+from vtkmodules.vtkRenderingCore import (
+    vtkActor,
+    vtkPolyDataMapper,
+    vtkRenderWindow,
+    vtkRenderWindowInteractor,
+    vtkRenderer
+)
 
 
 class vtkTimerCallback():
@@ -23,19 +35,19 @@ class vtkTimerCallback():
 
 
 def main():
-    colors = vtk.vtkNamedColors()
+    colors = vtkNamedColors()
 
     # Create a sphere
-    sphereSource = vtk.vtkSphereSource()
+    sphereSource = vtkSphereSource()
     sphereSource.SetCenter(0.0, 0.0, 0.0)
     sphereSource.SetRadius(2)
     sphereSource.SetPhiResolution(30)
     sphereSource.SetThetaResolution(30)
 
     # Create a mapper and actor
-    mapper = vtk.vtkPolyDataMapper()
+    mapper = vtkPolyDataMapper()
     mapper.SetInputConnection(sphereSource.GetOutputPort())
-    actor = vtk.vtkActor()
+    actor = vtkActor()
     actor.GetProperty().SetColor(colors.GetColor3d("Peacock"))
     actor.GetProperty().SetSpecular(0.6)
     actor.GetProperty().SetSpecularPower(30)
@@ -43,13 +55,13 @@ def main():
     # actor.SetPosition(-5, -5, 0)
 
     # Setup a renderer, render window, and interactor
-    renderer = vtk.vtkRenderer()
+    renderer = vtkRenderer()
     renderer.SetBackground(colors.GetColor3d("MistyRose"))
-    renderWindow = vtk.vtkRenderWindow()
+    renderWindow = vtkRenderWindow()
     renderWindow.SetWindowName("Animation")
     renderWindow.AddRenderer(renderer)
 
-    renderWindowInteractor = vtk.vtkRenderWindowInteractor()
+    renderWindowInteractor = vtkRenderWindowInteractor()
     renderWindowInteractor.SetRenderWindow(renderWindow)
 
     # Add the actor to the scene
diff --git a/src/Python/Utilities/LUTUtilities.py b/src/Python/Utilities/LUTUtilities.py
index e7dae1b3b6fb246decb95669ca03d8ea6e73eb5e..bd4cff2262cba08c14100785e787584c88eb3d58 100755
--- a/src/Python/Utilities/LUTUtilities.py
+++ b/src/Python/Utilities/LUTUtilities.py
@@ -1,27 +1,34 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-from __future__ import print_function
-
 import sys
 
-import vtkmodules.all as vtk
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkInteractionStyle
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkRenderingOpenGL2
+from vtkmodules.vtkCommonColor import vtkColorSeries
+from vtkmodules.vtkCommonCore import (
+    vtkLookupTable,
+    vtkVariant,
+    vtkVariantArray
+)
 
 
 class LUTUtilities(object):
-    '''
+    """
     Utilities for displaying and comparing lookup tables.
-    '''
+    """
 
     def __init__(self):
         pass
 
     def DisplayLUTAsString(self, lut):
-        '''
+        """
         Display the contents of the lookup table.
         :param: lut - the lookup table.
         :return: a string containing the table data.
-        '''
+        """
         str = ''
         tv = lut.GetNumberOfTableValues()
         dR = lut.GetTableRange()
@@ -58,13 +65,13 @@ class LUTUtilities(object):
         return str
 
     def AssembleRGBAString(self, rgba):
-        '''
+        """
         Display the contents of the rgba as a series of strings:
         decimal [r g b a], integer [r g b a] where r,g ,b a are
         in the range 0..255 and 0xrrggba .
         :param: The rgba string.
         :return: A string in the above format.
-        '''
+        """
         s = '[' + ', '.join(['{:0.6f}'.format(x) for x in rgba]) + ']'
         ucrgb = [int(x * 255) for x in rgba]
         t = '[' + ', '.join(['{:3d}'.format(x) for x in ucrgb]) + ']'
@@ -74,12 +81,12 @@ class LUTUtilities(object):
         return res
 
     def CompareLUTs(self, lut1, lut2):
-        '''
+        """
         Compare two lookup tables.
         :param: lut1 - the lookup table.
         :param: lut2 - the lookup table.
         :return: True if the tables are the same.
-        '''
+        """
         res = [True, '']
         if lut1.GetIndexedLookup() != lut2.GetIndexedLookup():
             res[0] = False
@@ -146,14 +153,14 @@ class LUTUtilities(object):
         return res
 
     def CompareRGBA(self, rgba1, rgba2):
-        '''
+        """
         Compare two rgba lists.
         rgba can be a hexadecimal string, or a
         list of rgb or rgba colors.
         :param: rgba1 - the color.
         :param: rgba2 - the color.
         :return: True if the colors are the same.
-        '''
+        """
         if len(rgba1) != len(rgba2):
             return False
         if isinstance(rgba1, str):
@@ -167,12 +174,12 @@ class LUTUtilities(object):
 
 
 def GetAllColorSchemes():
-    '''
+    """
     Get all the color scheme names.
     :return: a map of the names keyed on their index.
-    '''
+    """
     colorSchemes = dict()
-    colorSeries = vtk.vtkColorSeries()
+    colorSeries = vtkColorSeries()
     for i in range(colorSeries.GetNumberOfColorSchemes()):
         colorSeries.SetColorScheme(i)
         colorSchemes[i] = colorSeries.GetColorSchemeName()
@@ -180,11 +187,11 @@ def GetAllColorSchemes():
 
 
 def AvailableColorSchemes(colorSchemes):
-    '''
+    """
     The available color scheme indexes and names.
     :param: colorSchemes - a map of the names keyed on their index.
     :return:  a string if the indexes and names.
-    '''
+    """
     str = ''
     for k, v in colorSchemes.items():
         str += '{:3d}\t{:s}\n'.format(k, v)
@@ -192,21 +199,21 @@ def AvailableColorSchemes(colorSchemes):
 
 
 def DisplayAvailableColorSchemes():
-    '''
+    """
     Display the available color schemes.
-    '''
+    """
     line = "-----------------------------------------------------------------------------\n"
     colorSchemes = GetAllColorSchemes()
     print(line + AvailableColorSchemes(colorSchemes) + line)
 
 
 def DisplayResults(reason, lut1, lut2):
-    '''
+    """
     Display the lookup tables and reason for failure.
     :param: reason - the reason.
     :param: lut1 - the first lookup table.
     :param: lut2 - the second lookup table.
-    '''
+    """
     lutUtilities = LUTUtilities()
     line = "-----------------------------------------------------------------------------\n"
     print(line + reason + "\n")
@@ -216,13 +223,13 @@ def DisplayResults(reason, lut1, lut2):
 
 
 def TestTables(lut1, lut2, expected=True):
-    '''
+    """
     Test pairs of lookup tables.
     :param: lut1 - the first lookup table.
     :param: lut2 - the second lookup table.
     :param: expected - if False a fail is expected.
     :return: True/False.
-    '''
+    """
     lutUtilities = LUTUtilities()
     comparison = lutUtilities.CompareLUTs(lut1, lut2)
     if comparison[0] != expected:
@@ -233,14 +240,14 @@ def TestTables(lut1, lut2, expected=True):
 
 
 def TestLookupTables(lutMode):
-    '''
+    """
     Test various combinations of lookup tables.
     :param: lutMode - if True the tables are ordinal, categorical otherwise.
     :return: True if all tests passed.
-    '''
-    lut1 = vtk.vtkLookupTable()
-    lut2 = vtk.vtkLookupTable()
-    colorSeries = vtk.vtkColorSeries()
+    """
+    lut1 = vtkLookupTable()
+    lut2 = vtkLookupTable()
+    colorSeries = vtkColorSeries()
     colorSeriesEnum = colorSeries.SPECTRUM
     colorSeries.SetColorScheme(colorSeriesEnum)
 
@@ -253,13 +260,13 @@ def TestLookupTables(lutMode):
     lut2.SetNanColor(1, 0, 0, 1)
     if not lutMode:
         # For the annotation just use a letter of the alphabet.
-        values1 = vtk.vtkVariantArray()
-        values2 = vtk.vtkVariantArray()
+        values1 = vtkVariantArray()
+        values2 = vtkVariantArray()
         str = "abcdefghijklmnopqrstuvwxyz"
         for i in range(lut1.GetNumberOfTableValues()):
-            values1.InsertNextValue(vtk.vtkVariant(str[i]))
+            values1.InsertNextValue(vtkVariant(str[i]))
         for i in range(lut2.GetNumberOfTableValues()):
-            values2.InsertNextValue(vtk.vtkVariant(str[i]))
+            values2.InsertNextValue(vtkVariant(str[i]))
         for i in range(values1.GetNumberOfTuples()):
             lut1.SetAnnotation(i, values1.GetValue(i).ToString())
         for i in range(values2.GetNumberOfTuples()):
@@ -285,7 +292,7 @@ def TestLookupTables(lutMode):
         # Different color
         colorSeriesEnum = colorSeries.COOL
         colorSeries.SetColorScheme(colorSeriesEnum)
-        lut3 = vtk.vtkLookupTable()
+        lut3 = vtkLookupTable()
         colorSeries.BuildLookupTable(lut3)
         lut3.IndexedLookupOff()
         res &= TestTables(lut1, lut3, False)
@@ -298,12 +305,12 @@ def TestLookupTables(lutMode):
         # Different color
         colorSeriesEnum = colorSeries.COOL
         colorSeries.SetColorScheme(colorSeriesEnum)
-        lut3 = vtk.vtkLookupTable()
+        lut3 = vtkLookupTable()
         colorSeries.BuildLookupTable(lut3)
-        values = vtk.vtkVariantArray()
+        values = vtkVariantArray()
         str = "abcdefghijklmnopqrstuvwxyz"
         for i in range(lut3.GetNumberOfTableValues()):
-            values.InsertNextValue(vtk.vtkVariant(str[i]))
+            values.InsertNextValue(vtkVariant(str[i]))
         for i in range(values.GetNumberOfTuples()):
             lut3.SetAnnotation(i, values.GetValue(i).ToString())
         colorSeries.BuildLookupTable(lut3)
diff --git a/src/Python/Utilities/SaveSceneToFieldData.py b/src/Python/Utilities/SaveSceneToFieldData.py
index 58bfec57a855a6fc1c9f838dc104894c211e8153..07df05d0cff0297b7e6d0cdaecc093621579fd4d 100755
--- a/src/Python/Utilities/SaveSceneToFieldData.py
+++ b/src/Python/Utilities/SaveSceneToFieldData.py
@@ -1,29 +1,47 @@
 #!/usr/bin/env python
 
-import vtkmodules.all as vtk
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkInteractionStyle
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkRenderingOpenGL2
+from vtkmodules.vtkCommonColor import vtkNamedColors
+from vtkmodules.vtkCommonCore import vtkStringArray
+from vtkmodules.vtkIOGeometry import (
+    vtkBYUReader,
+    vtkOBJReader,
+    vtkSTLReader
+)
+from vtkmodules.vtkIOPLY import vtkPLYReader
+from vtkmodules.vtkRenderingCore import (
+    vtkActor,
+    vtkPolyDataMapper,
+    vtkRenderWindow,
+    vtkRenderWindowInteractor,
+    vtkRenderer
+)
 
 
 def main():
     pd_fn = get_program_parameters()
 
-    colors = vtk.vtkNamedColors()
+    colors = vtkNamedColors()
 
     polyData = ReadPolyData(pd_fn)
-    mapper = vtk.vtkPolyDataMapper()
+    mapper = vtkPolyDataMapper()
     mapper.SetInputData(polyData)
 
-    actor = vtk.vtkActor()
+    actor = vtkActor()
     actor.SetMapper(mapper)
     actor.GetProperty().SetDiffuseColor(colors.GetColor3d('Crimson'))
     actor.GetProperty().SetSpecular(.6)
     actor.GetProperty().SetSpecularPower(30)
 
-    renderer = vtk.vtkRenderer()
-    renderWindow = vtk.vtkRenderWindow()
+    renderer = vtkRenderer()
+    renderWindow = vtkRenderWindow()
     renderWindow.AddRenderer(renderer)
     renderWindow.SetWindowName('SaveSceneToFieldData')
 
-    renderWindowInteractor = vtk.vtkRenderWindowInteractor()
+    renderWindowInteractor = vtkRenderWindowInteractor()
     renderWindowInteractor.SetRenderWindow(renderWindow)
 
     renderer.AddActor(actor)
@@ -61,32 +79,32 @@ def ReadPolyData(file_name):
     path, extension = os.path.splitext(file_name)
     extension = extension.lower()
     if extension == '.ply':
-        reader = vtk.vtkPLYReader()
+        reader = vtkPLYReader()
         reader.SetFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
     elif extension == '.vtp':
-        reader = vtk.vtkXMLpoly_dataReader()
+        reader = vtkXMLpoly_dataReader()
         reader.SetFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
     elif extension == '.obj':
-        reader = vtk.vtkOBJReader()
+        reader = vtkOBJReader()
         reader.SetFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
     elif extension == '.stl':
-        reader = vtk.vtkSTLReader()
+        reader = vtkSTLReader()
         reader.SetFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
     elif extension == '.vtk':
-        reader = vtk.vtkpoly_dataReader()
+        reader = vtkpoly_dataReader()
         reader.SetFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
     elif extension == '.g':
-        reader = vtk.vtkBYUReader()
+        reader = vtkBYUReader()
         reader.SetGeometryFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
@@ -112,7 +130,7 @@ def SaveSceneToFieldData(data, actor, camera):
     buffer = ''
     for k, v in res.items():
         buffer += k + ' ' + v + '\n'
-    cameraArray = vtk.vtkStringArray()
+    cameraArray = vtkStringArray()
     cameraArray.SetNumberOfValues(1)
     cameraArray.SetValue(0, buffer)
     cameraArray.SetName('Camera')
diff --git a/src/Python/Utilities/SaveSceneToFile.py b/src/Python/Utilities/SaveSceneToFile.py
index 2b7fa1c03632140129bee2bddd6ec016f7f267d5..6eb4d80e8397387afa1e9395c4569724b682a55d 100755
--- a/src/Python/Utilities/SaveSceneToFile.py
+++ b/src/Python/Utilities/SaveSceneToFile.py
@@ -1,29 +1,46 @@
 #!/usr/bin/env python
 
-import vtkmodules.all as vtk
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkInteractionStyle
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkRenderingOpenGL2
+from vtkmodules.vtkCommonColor import vtkNamedColors
+from vtkmodules.vtkIOGeometry import (
+    vtkBYUReader,
+    vtkOBJReader,
+    vtkSTLReader
+)
+from vtkmodules.vtkIOPLY import vtkPLYReader
+from vtkmodules.vtkRenderingCore import (
+    vtkActor,
+    vtkPolyDataMapper,
+    vtkRenderWindow,
+    vtkRenderWindowInteractor,
+    vtkRenderer
+)
 
 
 def main():
     pd_fn, scene_fn = get_program_parameters()
 
-    colors = vtk.vtkNamedColors()
+    colors = vtkNamedColors()
 
     polyData = ReadPolyData(pd_fn)
-    mapper = vtk.vtkPolyDataMapper()
+    mapper = vtkPolyDataMapper()
     mapper.SetInputData(polyData)
 
-    actor = vtk.vtkActor()
+    actor = vtkActor()
     actor.SetMapper(mapper)
     actor.GetProperty().SetDiffuseColor(colors.GetColor3d('Crimson'))
     actor.GetProperty().SetSpecular(.6)
     actor.GetProperty().SetSpecularPower(30)
 
-    renderer = vtk.vtkRenderer()
-    renderWindow = vtk.vtkRenderWindow()
+    renderer = vtkRenderer()
+    renderWindow = vtkRenderWindow()
     renderWindow.AddRenderer(renderer)
     renderWindow.SetWindowName('SaveSceneToFile')
 
-    renderWindowInteractor = vtk.vtkRenderWindowInteractor()
+    renderWindowInteractor = vtkRenderWindowInteractor()
     renderWindowInteractor.SetRenderWindow(renderWindow)
 
     renderer.AddActor(actor)
@@ -62,32 +79,32 @@ def ReadPolyData(file_name):
     path, extension = os.path.splitext(file_name)
     extension = extension.lower()
     if extension == '.ply':
-        reader = vtk.vtkPLYReader()
+        reader = vtkPLYReader()
         reader.SetFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
     elif extension == '.vtp':
-        reader = vtk.vtkXMLpoly_dataReader()
+        reader = vtkXMLpoly_dataReader()
         reader.SetFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
     elif extension == '.obj':
-        reader = vtk.vtkOBJReader()
+        reader = vtkOBJReader()
         reader.SetFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
     elif extension == '.stl':
-        reader = vtk.vtkSTLReader()
+        reader = vtkSTLReader()
         reader.SetFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
     elif extension == '.vtk':
-        reader = vtk.vtkpoly_dataReader()
+        reader = vtkpoly_dataReader()
         reader.SetFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
     elif extension == '.g':
-        reader = vtk.vtkBYUReader()
+        reader = vtkBYUReader()
         reader.SetGeometryFileName(file_name)
         reader.Update()
         poly_data = reader.GetOutput()
diff --git a/src/Python/Utilities/Screenshot.py b/src/Python/Utilities/Screenshot.py
index 83adc762bc15a1ed01f6b81470a4ae5175506945..8fd046effcdda75fcc1a1035631c602672ef52b0 100755
--- a/src/Python/Utilities/Screenshot.py
+++ b/src/Python/Utilities/Screenshot.py
@@ -1,32 +1,48 @@
-import vtkmodules.all as vtk
+#!/usr/bin/env python
+
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkInteractionStyle
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkRenderingOpenGL2
+from vtkmodules.vtkCommonColor import vtkNamedColors
+from vtkmodules.vtkFiltersSources import vtkSphereSource
+from vtkmodules.vtkIOImage import vtkPNGWriter
+from vtkmodules.vtkRenderingCore import (
+    vtkActor,
+    vtkPolyDataMapper,
+    vtkRenderWindow,
+    vtkRenderWindowInteractor,
+    vtkRenderer,
+    vtkWindowToImageFilter
+)
 
 
 def main():
-    colors = vtk.vtkNamedColors()
+    colors = vtkNamedColors()
 
     # create a rendering window and renderer
-    ren = vtk.vtkRenderer()
-    renWin = vtk.vtkRenderWindow()
+    ren = vtkRenderer()
+    renWin = vtkRenderWindow()
     renWin.AddRenderer(ren)
     renWin.SetWindowName('Screenshot')
 
     # create a renderwindowinteractor
-    iren = vtk.vtkRenderWindowInteractor()
+    iren = vtkRenderWindowInteractor()
     iren.SetRenderWindow(renWin)
 
     # create source
-    source = vtk.vtkSphereSource()
+    source = vtkSphereSource()
     source.SetCenter(0, 0, 0)
     source.SetRadius(5.0)
     source.SetPhiResolution(30)
     source.SetThetaResolution(30)
 
     # mapper
-    mapper = vtk.vtkPolyDataMapper()
+    mapper = vtkPolyDataMapper()
     mapper.SetInputConnection(source.GetOutputPort())
 
     # actor
-    actor = vtk.vtkActor()
+    actor = vtkActor()
     actor.GetProperty().SetColor(colors.GetColor3d('IndianRed'))
     actor.GetProperty().SetSpecular(0.6)
     actor.GetProperty().SetSpecularPower(30)
@@ -39,13 +55,13 @@ def main():
     renWin.Render()
 
     # screenshot code:
-    w2if = vtk.vtkWindowToImageFilter()
+    w2if = vtkWindowToImageFilter()
     w2if.SetInput(renWin)
     w2if.SetInputBufferTypeToRGB()
     w2if.ReadFrontBufferOff()
     w2if.Update()
 
-    writer = vtk.vtkPNGWriter()
+    writer = vtkPNGWriter()
     writer.SetFileName('TestScreenshot.png')
     writer.SetInputConnection(w2if.GetOutputPort())
     writer.Write()
diff --git a/src/Python/Utilities/ShareCamera.py b/src/Python/Utilities/ShareCamera.py
index ce6e65de116773adc254819786b0794efbe56af6..e3a8136f332e3601088a60d0e0a91aed90a55938 100755
--- a/src/Python/Utilities/ShareCamera.py
+++ b/src/Python/Utilities/ShareCamera.py
@@ -1,22 +1,44 @@
-import vtkmodules.all as vtk
+#!/usr/bin/env python
+
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkInteractionStyle
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkRenderingOpenGL2
+from vtkmodules.vtkCommonColor import (
+    vtkColorSeries,
+    vtkNamedColors
+)
+from vtkmodules.vtkFiltersSources import (
+    vtkConeSource,
+    vtkCubeSource,
+    vtkCylinderSource,
+    vtkSphereSource
+)
+from vtkmodules.vtkRenderingCore import (
+    vtkActor,
+    vtkPolyDataMapper,
+    vtkRenderWindow,
+    vtkRenderWindowInteractor,
+    vtkRenderer
+)
 
 
 def main():
-    colors = vtk.vtkNamedColors()
+    colors = vtkNamedColors()
 
     # We store background colors in a vector. Then we extract the red, green and
     # blue components later when coloring the reneder background.
     rendererColors = list()
-    colorSeries = vtk.vtkColorSeries()
+    colorSeries = vtkColorSeries()
     colorSeries.SetColorSchemeByName('Brewer Qualitative Pastel2')
     rendererColors.append(colorSeries.GetColor(0))
     rendererColors.append(colorSeries.GetColor(1))
     rendererColors.append(colorSeries.GetColor(2))
     rendererColors.append(colorSeries.GetColor(3))
 
-    renderWindow = vtk.vtkRenderWindow()
+    renderWindow = vtkRenderWindow()
 
-    renderWindowInteractor = vtk.vtkRenderWindowInteractor()
+    renderWindowInteractor = vtkRenderWindowInteractor()
 
     renderWindowInteractor.SetRenderWindow(renderWindow)
 
@@ -32,37 +54,37 @@ def main():
     for i in range(0, 4):
         if i == 0:
             # Create a sphere
-            sphereSource = vtk.vtkSphereSource()
+            sphereSource = vtkSphereSource()
             sphereSource.SetCenter(0.0, 0.0, 0.0)
             sphereSource.Update()
             sources.append(sphereSource)
         elif i == 1:
             # Create a cone
-            coneSource = vtk.vtkConeSource()
+            coneSource = vtkConeSource()
             coneSource.SetCenter(0.0, 0.0, 0.0)
             coneSource.Update()
             sources.append(coneSource)
         elif i == 2:
             # Create a cube
-            cubeSource = vtk.vtkCubeSource()
+            cubeSource = vtkCubeSource()
             cubeSource.SetCenter(0.0, 0.0, 0.0)
             cubeSource.Update()
             sources.append(cubeSource)
         else:
             # Create a cylinder
-            cylinderSource = vtk.vtkCylinderSource()
+            cylinderSource = vtkCylinderSource()
             cylinderSource.SetCenter(0.0, 0.0, 0.0)
             cylinderSource.Update()
             sources.append(cylinderSource)
 
-        mapper = vtk.vtkPolyDataMapper()
+        mapper = vtkPolyDataMapper()
         mapper.SetInputConnection(sources[i].GetOutputPort())
 
-        actor = vtk.vtkActor()
+        actor = vtkActor()
         actor.SetMapper(mapper)
         actor.GetProperty().SetColor(colors.GetColor3d('Tomato'))
 
-        renderer = vtk.vtkRenderer()
+        renderer = vtkRenderer()
         renderer.AddActor(actor)
         r = rendererColors[i].GetRed() / 255.0
         g = rendererColors[i].GetGreen() / 255.0
diff --git a/src/Python/Utilities/VTKVersion.py b/src/Python/Utilities/VTKVersion.py
index 4a7a737fc37dd36b13e2d7a5697bb2c7a1d6727a..7a6de29b85379c597024e69a5ca7c498d689a942 100755
--- a/src/Python/Utilities/VTKVersion.py
+++ b/src/Python/Utilities/VTKVersion.py
@@ -1,5 +1,5 @@
-from __future__ import print_function
+#!/usr/bin/env python
 
-import vtkmodules.all as vtk
+from vtkmodules.vtkCommonCore import vtkVersion
 
-print(vtk.vtkVersion.GetVTKSourceVersion())
+print(vtkVersion.GetVTKSourceVersion())
diff --git a/src/Python/Utilities/VTKWithNumpy.py b/src/Python/Utilities/VTKWithNumpy.py
index a00a1a87ea99da97e267bbfca31304c224f5f12a..5db95be4ea725afd5ebb228536464ebea0b94a60 100755
--- a/src/Python/Utilities/VTKWithNumpy.py
+++ b/src/Python/Utilities/VTKWithNumpy.py
@@ -1,11 +1,26 @@
 # An example from scipy cookbook demonstrating the use of numpy arrays in vtk
 
 import numpy as np
-import vtkmodules.all as vtk
+# noinspection PyUnresolvedReferences
+import vtkmodules.vtkInteractionStyle
+from vtkmodules.vtkCommonColor import vtkNamedColors
+from vtkmodules.vtkCommonDataModel import vtkPiecewiseFunction
+from vtkmodules.vtkIOImage import vtkImageImport
+from vtkmodules.vtkRenderingCore import (
+    vtkColorTransferFunction,
+    vtkRenderWindow,
+    vtkRenderWindowInteractor,
+    vtkRenderer,
+    vtkVolume,
+    vtkVolumeProperty
+)
+from vtkmodules.vtkRenderingVolume import vtkFixedPointVolumeRayCastMapper
+# noinspection PyUnresolvedReferences
+from vtkmodules.vtkRenderingVolumeOpenGL2 import vtkOpenGLRayCastImageDisplayHelper
 
 
 def main():
-    colors = vtk.vtkNamedColors()
+    colors = vtkNamedColors()
 
     # We begin by creating the data we want to render.
     # For this tutorial, we create a 3D-image containing three overlaping cubes.
@@ -19,7 +34,7 @@ def main():
     # For VTK to be able to use the data, it must be stored as a VTK-image.
     #  This can be done by the vtkImageImport-class which
     # imports raw data and stores it.
-    dataImporter = vtk.vtkImageImport()
+    dataImporter = vtkImageImport()
     # The previously created array is converted to a string of chars and imported.
     data_string = data_matrix.tobytes()
     dataImporter.CopyImportVoidPointer(data_string, len(data_string))
@@ -39,7 +54,7 @@ def main():
     # The following class is used to store transparency-values for later retrival.
     #  In our case, we want the value 0 to be
     # completely opaque whereas the three different cubes are given different transparency-values to show how it works.
-    alphaChannelFunc = vtk.vtkPiecewiseFunction()
+    alphaChannelFunc = vtkPiecewiseFunction()
     alphaChannelFunc.AddPoint(0, 0.0)
     alphaChannelFunc.AddPoint(50, 0.05)
     alphaChannelFunc.AddPoint(100, 0.1)
@@ -47,7 +62,7 @@ def main():
 
     # This class stores color data and can create color tables from a few color points.
     #  For this demo, we want the three cubes to be of the colors red green and blue.
-    colorFunc = vtk.vtkColorTransferFunction()
+    colorFunc = vtkColorTransferFunction()
     colorFunc.AddRGBPoint(50, 1.0, 0.0, 0.0)
     colorFunc.AddRGBPoint(100, 0.0, 1.0, 0.0)
     colorFunc.AddRGBPoint(150, 0.0, 0.0, 1.0)
@@ -55,25 +70,25 @@ def main():
     # The previous two classes stored properties.
     #  Because we want to apply these properties to the volume we want to render,
     # we have to store them in a class that stores volume properties.
-    volumeProperty = vtk.vtkVolumeProperty()
+    volumeProperty = vtkVolumeProperty()
     volumeProperty.SetColor(colorFunc)
     volumeProperty.SetScalarOpacity(alphaChannelFunc)
 
-    volumeMapper = vtk.vtkFixedPointVolumeRayCastMapper()
+    volumeMapper = vtkFixedPointVolumeRayCastMapper()
     volumeMapper.SetInputConnection(dataImporter.GetOutputPort())
 
     # The class vtkVolume is used to pair the previously declared volume as well as the properties
     #  to be used when rendering that volume.
-    volume = vtk.vtkVolume()
+    volume = vtkVolume()
     volume.SetMapper(volumeMapper)
     volume.SetProperty(volumeProperty)
 
     # With almost everything else ready, its time to initialize the renderer and window, as well as
     #  creating a method for exiting the application
-    renderer = vtk.vtkRenderer()
-    renderWin = vtk.vtkRenderWindow()
+    renderer = vtkRenderer()
+    renderWin = vtkRenderWindow()
     renderWin.AddRenderer(renderer)
-    renderInteractor = vtk.vtkRenderWindowInteractor()
+    renderInteractor = vtkRenderWindowInteractor()
     renderInteractor.SetRenderWindow(renderWin)
 
     # We add the volume to the renderer ...