Use the standard 'Cool to Warm' color map

This requires a bit of code shuffling.  I still don't have
a firm understanding of ParaView Python scripting.

quasiconvexity-micromorphic-testsuite/render-quasiconvexity-test-results.py

@@ -61,19 +61,15 @@ def renderResult(filePrefix, texFile):
     # show data from 'data'
     dataDisplay = Show(data, renderView1, 'UnstructuredGridRepresentation')
 
-    determinantRange = data.CellData[0].GetRange()   # Let's hope this is determinant
+    determinantRange = data.CellData["determinant"].GetRange()
     texFile.write("det range: " + str(determinantRange[0]) + ",  " + str(determinantRange[1]) + "\n\n")
 
-    KRange = data.CellData[1].GetRange()   # Let's hope this is K
+    KRange = data.CellData["K"].GetRange()
     texFile.write("K range: " + str(KRange[0]) + ",  " + str(KRange[1]) + "\n\n")
 
     # get color transfer function/color map for 'determinant'
-    #determinantLUT = GetColorTransferFunction('determinant')
-    #determinantLUT.RGBPoints = [-0.016938600689172745, 0.231373, 0.298039, 0.752941, 0.8577657174319029, 0.865003, 0.865003, 0.865003, 1.7324700355529785, 0.705882, 0.0156863, 0.14902]
-    #determinantLUT.ScalarRangeInitialized = 1.0
-    determinantLUT = MakeBlueToRedLT(determinantRange[0], determinantRange[1])
-    KLUT = MakeBlueToRedLT(KRange[0], KRange[1])
-
+    determinantArrayInfo = data.CellData["determinant"]
+    AssignLookupTable(determinantArrayInfo,'Cool to Warm', determinantRange)
 
     # get opacity transfer function/opacity map for 'determinant'
     determinantPWF = GetOpacityTransferFunction('determinant')
@@ -83,7 +79,6 @@ def renderResult(filePrefix, texFile):
     # trace defaults for the display properties.
     dataDisplay.Representation = 'Surface'
     dataDisplay.ColorArrayName = ['CELLS', 'determinant']
-    dataDisplay.LookupTable = determinantLUT
     dataDisplay.SelectTCoordArray = 'None'
     dataDisplay.SelectNormalArray = 'None'
     dataDisplay.SelectTangentArray = 'None'
@@ -102,6 +97,8 @@ def renderResult(filePrefix, texFile):
     # setup the color legend parameters for each legend in this view
 
     # get color legend/bar for determinantLUT in view renderView1
+    determinantLUT = GetColorTransferFunction('determinant')
+    dataDisplay.LookupTable = determinantLUT
     determinantLUTColorBar = GetScalarBar(determinantLUT, renderView1)
     determinantLUTColorBar.Title = 'determinant'
     determinantLUTColorBar.ComponentTitle = ''
@@ -119,30 +116,27 @@ def renderResult(filePrefix, texFile):
 
     # Render again, showing the K value
     determinantLUTColorBar.Visibility = 0
+    AssignLookupTable(data.CellData["K"],'Cool to Warm', KRange)
     dataDisplay.ColorArrayName = ['CELLS', 'K']
-    dataDisplay.LookupTable = KLUT
 
-    # get color legend/bar for determinantLUT in view renderView1
-    determinantLUTColorBar = GetScalarBar(KLUT, renderView1)
-    determinantLUTColorBar.Title = 'K'
-    determinantLUTColorBar.ComponentTitle = ''
+    # get color legend/bar for KLUT in view renderView1
+    KLUT = GetColorTransferFunction('K')
+    dataDisplay.LookupTable = KLUT
+    KLUTColorBar = GetScalarBar(KLUT, renderView1)
+    KLUTColorBar.Title = 'K'
+    KLUTColorBar.ComponentTitle = ''
 
     # set color bar visibility
-    determinantLUTColorBar.Visibility = 1
+    #KLUTColorBar.Visibility = 1
 
     # show color legend
-    dataDisplay.SetScalarBarVisibility(renderView1, True)
+    #dataDisplay.SetScalarBarVisibility(renderView1, True)
 
     Render()
 
     #save screenshot
     WriteImage(filePrefix + "-K.png")
 
-    # ----------------------------------------------------------------
-    # setup color maps and opacity mapes used in the visualization
-    # note: the Get..() functions create a new object, if needed
-    # ----------------------------------------------------------------
-
     # ----------------------------------------------------------------
     # restore active source
     SetActiveSource(data)