diff --git a/processing/post/addDeterminant.py b/processing/post/addDeterminant.py
index 7196051e5..6d992b6f5 100755
--- a/processing/post/addDeterminant.py
+++ b/processing/post/addDeterminant.py
@@ -83,10 +83,9 @@ for name in filenames:
   while outputAlive and table.data_read():                                                          # read next data line of ASCII table
     for type, data in items.items():
       for column in data['column']:
-        table.data_append(determinant(map(float,table.data[column:
-                                                           column+data['dim']])))
+        table.data_append(determinant(list(map(float,table.data[column: column+data['dim']]))))
     outputAlive = table.data_write()                                                                # output processed line
 
 # ------------------------------------------ output finalization -----------------------------------
 
-  table.close()                                                                                     # close input ASCII table (works for stdin)
\ No newline at end of file
+  table.close()                                                                                     # close input ASCII table (works for stdin)
diff --git a/processing/post/addDeviator.py b/processing/post/addDeviator.py
index 4df8a6803..86fcac509 100755
--- a/processing/post/addDeviator.py
+++ b/processing/post/addDeviator.py
@@ -95,8 +95,8 @@ for name in filenames:
   while outputAlive and table.data_read():                                                          # read next data line of ASCII table
     for type, data in items.items():
       for column in data['column']:
-        table.data_append(deviator(map(float,table.data[column:
-                                                        column+data['dim']]),options.spherical))
+        table.data_append(deviator(list(map(float,table.data[column:
+                                                        column+data['dim']])),options.spherical))
     outputAlive = table.data_write()                                                                # output processed line
 
 # ------------------------------------------ output finalization -----------------------------------
diff --git a/processing/post/addDisplacement.py b/processing/post/addDisplacement.py
index bc1d7377b..00132d7c6 100755
--- a/processing/post/addDisplacement.py
+++ b/processing/post/addDisplacement.py
@@ -168,13 +168,7 @@ for name in filenames:
                             np.zeros((table.data.shape[0],
                                       3-table.data[:,9:].shape[1]),dtype='f')))                     # fill coords up to 3D with zeros
 
-  coords = [np.unique(table.data[:,9+i]) for i in range(3)]
-  mincorner = np.array(map(min,coords))
-  maxcorner = np.array(map(max,coords))
-  grid   = np.array(map(len,coords),'i')
-  size   = grid/np.maximum(np.ones(3,'d'), grid-1.0) * (maxcorner-mincorner)                        # size from edge to edge = dim * n/(n-1) 
-  size   = np.where(grid > 1, size, min(size[grid > 1]/grid[grid > 1]))                             # spacing for grid==1 set to smallest among other spacings
-
+  grid,size = damask.util.coordGridAndSize(table.data[:,9:12])
   N = grid.prod()
 
   if N != len(table.data): errors.append('data count {} does not match grid {}x{}x{}.'.format(N,*grid))
diff --git a/processing/post/addEhkl.py b/processing/post/addEhkl.py
index f7a143466..59f678118 100755
--- a/processing/post/addEhkl.py
+++ b/processing/post/addEhkl.py
@@ -88,9 +88,9 @@ for name in filenames:
   outputAlive = True
   while outputAlive and table.data_read():                                                          # read next data line of ASCII table
     for column in columns:
-      table.data_append(E_hkl(map(float,table.data[column:column+3]),options.hkl))
+      table.data_append(E_hkl(list(map(float,table.data[column:column+3])),options.hkl))
     outputAlive = table.data_write()                                                                # output processed line
 
 # ------------------------------------------ output finalization -----------------------------------  
 
-  table.close()                                                                                     # close ASCII tables
\ No newline at end of file
+  table.close()                                                                                     # close ASCII tables
diff --git a/processing/post/addEuclideanDistance.py b/processing/post/addEuclideanDistance.py
index b83c36b6c..b3f972fc7 100755
--- a/processing/post/addEuclideanDistance.py
+++ b/processing/post/addEuclideanDistance.py
@@ -151,10 +151,8 @@ for name in filenames:
   remarks = []
   column = {}
   
-  coordDim = table.label_dimension(options.pos)
-  if not 3 >= coordDim >= 1:
+  if not 3 >= table.label_dimension(options.pos) >= 1:
     errors.append('coordinates "{}" need to have one, two, or three dimensions.'.format(options.pos))
-  else: coordCol = table.label_index(options.pos)
   
   if table.label_dimension(options.id) != 1: errors.append('grain identifier {} not found.'.format(options.id))
   else: idCol = table.label_index(options.id)
@@ -178,11 +176,7 @@ for name in filenames:
 
   table.data_readArray()
 
-  coords = [np.unique(table.data[:,coordCol+i]) for i in range(coordDim)]
-  mincorner = np.array(map(min,coords))
-  maxcorner = np.array(map(max,coords))
-  grid   = np.array(map(len,coords)+[1]*(3-len(coords)),'i')
-
+  grid,size = damask.util.coordGridAndSize(table.data[:,table.label_indexrange(options.pos)])
   N = grid.prod()
 
   if N != len(table.data): errors.append('data count {} does not match grid {}.'.format(N,'x'.join(map(str,grid))))