diff --git a/processing/post/imageData.py b/processing/post/imageData.py
index 2ca3ef6e7..51547d4eb 100755
--- a/processing/post/imageData.py
+++ b/processing/post/imageData.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python3
 
 import os
 import sys
@@ -102,6 +102,7 @@ parser.set_defaults(label = None,
                    )
 
 (options,filenames) = parser.parse_args()
+if filenames == []: filenames = [None]
 
 if options.pixelsize > 1: (options.pixelsizex,options.pixelsizey) = [options.pixelsize]*2
 
@@ -112,9 +113,6 @@ if options.invert: theMap = theMap.invert()
 theColors = np.uint8(np.array(theMap.export(format = 'list',steps = 256))*255)
 
 # --- loop over input files -------------------------------------------------------------------------
-
-if filenames == []: filenames = [None]
-
 for name in filenames:
   try:
     table = damask.ASCIItable(name = name, labeled = options.label is not None, readonly = True)
diff --git a/processing/post/imageDataDeformed.py b/processing/post/imageDataDeformed.py
index 79f81e29e..b9219ac47 100755
--- a/processing/post/imageDataDeformed.py
+++ b/processing/post/imageDataDeformed.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python3
 
 import os
 import sys
@@ -95,6 +95,7 @@ parser.set_defaults(label = None,
                    )
 
 (options,filenames) = parser.parse_args()
+if filenames == []: filenames = [None]
 
 options.size      = np.array(options.size)
 options.dimension = np.array(options.dimension)
@@ -109,16 +110,12 @@ if options.invert: theMap = theMap.invert()
 theColors = np.uint8(np.array(theMap.export(format='list',steps=256))*255)
 
 # --- loop over input files -------------------------------------------------------------------------
-
-if filenames == []: filenames = [None]
-
 for name in filenames:
   try:
-    table = damask.ASCIItable(name = name, readonly = True,
-                              labeled = options.label is not None)
+    table = damask.ASCIItable(name = name, labeled = options.label is not None, readonly = True)
   except IOError:
     continue
-  table.report_name(scriptName,name)
+  damask.util.report(scriptName,name)
 
 # ------------------------------------------ read header ------------------------------------------
 
diff --git a/processing/post/imageDataRGB.py b/processing/post/imageDataRGB.py
index 4a1d521b2..a34a48f4f 100755
--- a/processing/post/imageDataRGB.py
+++ b/processing/post/imageDataRGB.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python3
 
 import os
 import sys
@@ -72,18 +72,15 @@ parser.set_defaults(label = None,
                    )
 
 (options,filenames) = parser.parse_args()
+if filenames == []: filenames = [None]
 
 if options.dimension == []: parser.error('dimension of data array missing')
 if options.pixelsize > 1: (options.pixelsizex,options.pixelsizey) = [options.pixelsize]*2
 
 # --- loop over input files -------------------------------------------------------------------------
-
-if filenames == []: filenames = [None]
-
 for name in filenames:
   try:
-    table = damask.ASCIItable(name = name, readonly = True,
-                              labeled = options.label is not None)
+    table = damask.ASCIItable(name = name, labeled = options.label is not None, readonly = True)
   except IOError:
     continue
   damask.util.report(scriptName,name)
diff --git a/python/damask/colormaps.py b/python/damask/colormaps.py
index 9c27da147..2117b0b57 100644
--- a/python/damask/colormaps.py
+++ b/python/damask/colormaps.py
@@ -218,7 +218,7 @@ class Color:
           if (self.color[i] > 0.04045): RGB_lin[i] = ((self.color[i]+0.0555)/1.0555)**2.4
           else:                         RGB_lin[i] =   self.color[i]        /12.92
         XYZ = np.dot(convert,RGB_lin)
-        XYZ = np.clip(XYZ,0.0)
+        XYZ = np.clip(XYZ,0.0,None)
 
         converted = Color('XYZ', XYZ)
         self.model = converted.model