diff --git a/processing/pre/geom_toTable.py b/processing/pre/geom_toTable.py
index 3e9f42a72..80f4e6def 100755
--- a/processing/pre/geom_toTable.py
+++ b/processing/pre/geom_toTable.py
@@ -15,7 +15,7 @@ scriptName = os.path.splitext(scriptID.split()[1])[0]
 #--------------------------------------------------------------------------------------------------
 
 parser = OptionParser(option_class=damask.extendableOption, usage='%prog [geomfile[s]]', description = """
-Produce ASCIItable of structure data from geom description
+Translate geom description into ASCIItable containing 1/2/3_pos and microstructure.
 
 """, version = scriptID)
 
@@ -23,8 +23,13 @@ parser.add_option('-p','--position',
                   dest = 'position',
                   type = 'string', metavar = 'string',
                   help = 'column label for position [%default]')
+parser.add_option('-m','--microstructure',
+                  dest = 'microstructure',
+                  type = 'string', metavar = 'string',
+                  help = 'column label for microstructure index [%default]')
 
 parser.set_defaults(position = 'pos',
+                    microstructure = 'microstructure',
                    )
 
 (options, filenames) = parser.parse_args()
@@ -39,25 +44,25 @@ for name in filenames:
                               outname = os.path.splitext(name)[0]+'.txt' if name else name,
                               buffered = False, labeled = False)
   except: continue
-  table.croak('\033[1m'+scriptName+'\033[0m'+(': '+name if name else ''))
+  damask.util.report(scriptName,name)
 
 # --- interpret header ----------------------------------------------------------------------------
 
   table.head_read()
   info,extra_header = table.head_getGeom()
   
-  table.croak(['grid     a b c:  %s'%(' x '.join(map(str,info['grid']))),
-               'size     x y z:  %s'%(' x '.join(map(str,info['size']))),
-               'origin   x y z:  %s'%(' : '.join(map(str,info['origin']))),
-               'homogenization:  %i'%info['homogenization'],
-               'microstructures: %i'%info['microstructures'],
-              ])
+  damask.util.croak(['grid     a b c:  %s'%(' x '.join(map(str,info['grid']))),
+                     'size     x y z:  %s'%(' x '.join(map(str,info['size']))),
+                     'origin   x y z:  %s'%(' : '.join(map(str,info['origin']))),
+                     'homogenization:  %i'%info['homogenization'],
+                     'microstructures: %i'%info['microstructures'],
+                    ])
 
   errors = []
   if np.any(info['grid'] < 1):    errors.append('invalid grid a b c.')
   if np.any(info['size'] <= 0.0): errors.append('invalid size x y z.')
   if errors != []:
-    table.croak(errors)
+    damask.util.croak(errors)
     table.close(dismiss = True)
     continue
 
@@ -70,7 +75,7 @@ for name in filenames:
   table.info_clear()
   table.info_append(extra_header + [scriptID + '\t' + ' '.join(sys.argv[1:])])
   table.labels_clear()
-  table.labels_append(['{dim}_{label}'.format(dim = 1+i,label = options.position) for i in range(3)]+['microstructure'])
+  table.labels_append(['{}_{}'.format(1+i,options.position) for i in xrange(3)]+[options.microstructure])
   table.head_write()
   table.output_flush()