173 lines
7.6 KiB
Python
Executable File
173 lines
7.6 KiB
Python
Executable File
#!/usr/bin/env python
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import os,re,sys,math,string,numpy,damask
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from optparse import OptionParser, Option
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# -----------------------------
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class extendableOption(Option):
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# -----------------------------
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# used for definition of new option parser action 'extend', which enables to take multiple option arguments
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# taken from online tutorial http://docs.python.org/library/optparse.html
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ACTIONS = Option.ACTIONS + ("extend",)
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STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
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TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
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ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
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def take_action(self, action, dest, opt, value, values, parser):
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if action == "extend":
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lvalue = value.split(",")
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values.ensure_value(dest, []).extend(lvalue)
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else:
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Option.take_action(self, action, dest, opt, value, values, parser)
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def location(idx,res):
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return ( idx % res[0], \
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(idx // res[0]) % res[1], \
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(idx // res[0] // res[1]) % res[2] )
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def index(location,res):
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return ( location[0] % res[0] + \
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(location[1] % res[1]) * res[0] + \
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(location[2] % res[2]) * res[0] * res[1] )
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# --------------------------------------------------------------------
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# MAIN
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# --------------------------------------------------------------------
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parser = OptionParser(option_class=extendableOption, usage='%prog options file[s]', description = """
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Add column containing debug information
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Operates on periodic ordered three-dimensional data sets.
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""" + string.replace('$Id$','\n','\\n')
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)
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parser.add_option('--no-shape','-s', dest='noShape', action='store_false', \
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help='do not calcuate shape mismatch [%default]')
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parser.add_option('--no-volume','-v', dest='noVolume', action='store_false', \
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help='do not calculate volume mismatch [%default]')
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parser.add_option('-c','--coordinates', dest='coords', type='string',\
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help='column heading for coordinates [%default]')
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parser.add_option('-f','--deformation', dest='defgrad', action='extend', type='string', \
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help='heading(s) of columns containing deformation tensor values %default')
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parser.set_defaults(noVolume = False)
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parser.set_defaults(noShape = False)
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parser.set_defaults(coords = 'ip')
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parser.set_defaults(defgrad = 'f')
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(options,filenames) = parser.parse_args()
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defgrad_av = {}
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centroids = {}
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nodes = {}
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shape_mismatch = {}
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volume_mismatch= {}
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datainfo = { # list of requested labels per datatype
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'defgrad': {'len':9,
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'label':[]},
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}
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if options.defgrad != None: datainfo['defgrad']['label'] += options.defgrad
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# ------------------------------------------ setup file handles ---------------------------------------
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files = []
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if filenames == []:
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files.append({'name':'STDIN', 'input':sys.stdin, 'output':sys.stdout})
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else:
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for name in filenames:
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if os.path.exists(name):
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files.append({'name':name, 'input':open(name), 'output':open(name+'_tmp','w')})
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# ------------------------------------------ loop over input files ---------------------------------------
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for file in files:
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if file['name'] != 'STDIN': print file['name'],
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table = damask.ASCIItable(file['input'],file['output'],False) # make unbuffered ASCII_table
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table.head_read() # read ASCII header info
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table.info_append(string.replace('$Id$','\n','\\n') + \
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'\t' + ' '.join(sys.argv[1:]))
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# --------------- figure out dimension and resolution
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try:
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locationCol = table.labels.index('%s.x'%options.coords) # columns containing location data
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except ValueError:
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print 'no coordinate data found...'
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continue
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grid = [{},{},{}]
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while table.data_read(): # read next data line of ASCII table
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for j in xrange(3):
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grid[j][str(table.data[locationCol+j])] = True # remember coordinate along x,y,z
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res = numpy.array([len(grid[0]),\
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len(grid[1]),\
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len(grid[2]),],'i') # resolution is number of distinct coordinates found
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geomdim = res/numpy.maximum(numpy.ones(3,'d'),res-1.0)* \
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numpy.array([max(map(float,grid[0].keys()))-min(map(float,grid[0].keys())),\
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max(map(float,grid[1].keys()))-min(map(float,grid[1].keys())),\
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max(map(float,grid[2].keys()))-min(map(float,grid[2].keys())),\
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],'d') # dimension from bounding box, corrected for cell-centeredness
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if res[2] == 1:
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geomdim[2] = min(geomdim[:2]/res[:2])
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N = res.prod()
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print '\t%s @ %s'%(geomdim,res)
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# --------------- figure out columns to process
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key = '1_%s' %options.defgrad
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if key not in table.labels:
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sys.stderr.write('column %s not found...\n'%key)
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else:
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defgrad = numpy.array([0.0 for i in xrange(N*9)]).reshape(list(res)+[3,3])
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if not options.noShape: table.labels_append(['mismatch_shape(%s)' %options.defgrad])
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if not options.noVolume: table.labels_append(['mismatch_volume(%s)'%options.defgrad])
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column = table.labels.index(key)
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# ------------------------------------------ assemble header ---------------------------------------
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table.head_write()
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# ------------------------------------------ read deformation gradient field -----------------------
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table.data_rewind()
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idx = 0
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while table.data_read(): # read next data line of ASCII table
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(x,y,z) = location(idx,res) # figure out (x,y,z) position from line count
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idx += 1
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defgrad[x,y,z] = numpy.array(map(float,table.data[column:column+9]),'d').reshape(3,3)
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defgrad_av = damask.core.math.tensorAvg(defgrad)
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centroids = damask.core.mesh.deformed_fft(res,geomdim,defgrad_av,1.0,defgrad)
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nodes = damask.core.mesh.mesh_regular_grid(res,geomdim,defgrad_av,centroids)
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if not options.noShape: shape_mismatch = damask.core.mesh.shape_compare( res,geomdim,defgrad,nodes,centroids)
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if not options.noVolume: volume_mismatch = damask.core.mesh.volume_compare(res,geomdim,defgrad,nodes)
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# ------------------------------------------ process data ---------------------------------------
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table.data_rewind()
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idx = 0
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while table.data_read(): # read next data line of ASCII table
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(x,y,z) = location(idx,res) # figure out (x,y,z) position from line count
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idx += 1
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if not options.noShape: table.data_append(shape_mismatch[x,y,z])
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if not options.noVolume: table.data_append(volume_mismatch[x,y,z])
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table.data_write() # output processed line
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# ------------------------------------------ output result ---------------------------------------
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table.output_flush() # just in case of buffered ASCII table
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file['input'].close() # close input ASCII table
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if file['name'] != 'STDIN':
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file['output'].close # close output ASCII table
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os.rename(file['name']+'_tmp',file['name']) # overwrite old one with tmp new
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