added some warnings if Mentat or PIL cabability missing

processing/pre/patchFromReconstructedBoundaries

@@ -3,14 +3,14 @@
 import sys,os,math,re
 from optparse import OptionParser, OptionGroup, Option, SUPPRESS_HELP
 
-try:
+
+try:                                        # check for Python Image Lib
   import Image,ImageDraw
   ImageCapability = True
 except:
   ImageCapability = False
 
-
-try:
+try:                                        # check for MSC.Mentat installation location
   file = open('%s/../MSCpath'%os.path.dirname(os.path.realpath(sys.argv[0])))
   MSCpath = os.path.normpath(file.readline().strip())
   file.close()
@@ -32,7 +32,7 @@ for release,subdirs in sorted(releases.items(),reverse=True):
       continue
   break
 
-try:
+try:                                        # check for MSC.Mentat Python interface
   from py_mentat import *
   MentatCapability = True
 except:
@@ -309,7 +309,7 @@ def rcbParser(content,M,size,tolerance):                      # parser for TSL-O
 
   for point in points:
     rcData['point'].append(point['coords'])
-  print "\nfound %i points"%(len(rcData['point']))
+  print "  found %i points"%(len(rcData['point']))
 
   for segment in segments:  
     rcData['segment'].append(segment)
@@ -791,11 +791,14 @@ def fftbuild(rcData, height,xframe,yframe,resolution,extrusion):            # bu
 # ----------------------- MAIN -------------------------------
   
 parser = OptionParser(option_class=extendedOption, usage='%prog [options] datafile[s]', description = """
-what I do...
-""")
+Produce image, spectral geometry description, and (auto) Mentat procedure from TSL/OIM
+reconstructed boundary file
+
+""" + string.replace('$Id: spectral_iterationCount 919 2011-06-15 18:14:05Z MPIE\p.eisenlohr $','\n','\\n')
+)
 
 parser.add_option("-o", "--output", action='extend', dest='output', type='string', \
-        help="type of output [image,mentat,procedure,spectral]")
+        help="types of output [image,mentat,procedure,spectral]")
 parser.add_option("-p", "--port", type="int",\
         dest="port",\
         help="Mentat connection port")
@@ -859,6 +862,7 @@ parser.set_defaults(mesh = 'dt_planar_trimesh')
 parser.set_defaults(twoD = False)
 
 (options, args) = parser.parse_args()
+
 if not len(args):
   parser.error('no boundary file specified')
 
@@ -873,15 +877,18 @@ except:
 options.output = [s.lower() for s in options.output]                        # lower case
 
 myName = os.path.splitext(args[0])[0]
-print "\n",myName
+print "\n%s\n"%myName
 
 orientationData = rcbOrientationParser(boundarySegments)
 rcData = rcbParser(boundarySegments,options.M,options.size,options.tolerance)
 
 # ----- write image -----
 
-if ImageCapability and 'image' in options.output and options.imgsize > 0:
+if 'image' in options.output and options.imgsize > 0:
+  if ImageCapability:
     image(myName,options.imgsize,options.xmargin,options.ymargin,rcData)
+  else:
+    print '...no image drawing possible (PIL missing)...'
 
 # ----- write spectral geom -----
 
@@ -895,12 +902,13 @@ if 'spectral' in options.output:
   geomFile.write('\n'.join(map(str,fftdata['fftpoints']))+'\n')              # write grain indexes, one per line
   geomFile.close()                                                            # close geom file
   
-  print('assigned %i out of %i Fourier points'%(len(fftdata['fftpoints']), int(fftdata['resolution'][0])*int(fftdata['resolution'][1])))
+  print('assigned %i out of %i Fourier points.'%(len(fftdata['fftpoints']), int(fftdata['resolution'][0])*int(fftdata['resolution'][1])))
   
 
 # ----- write Mentat procedure -----
 
-if MentatCapability and 'mentat' in options.output:
+if 'mentat' in options.output:
+  if MentatCapability:
     rcData['offsetPoints']   = 1+4                # gage definition generates 4 points
     rcData['offsetSegments'] = 1+4                # gage definition generates 4 segments
     
@@ -933,6 +941,8 @@ if MentatCapability and 'mentat' in options.output:
       py_disconnect()
       if 'procedure' in options.output:
         output(outputLocals['log'],outputLocals,'Stdout')
+  else:
+    print '...no interaction with Mentat possible...'
     
 
 # ----- write config data to file -----