163 lines
8.8 KiB
Python
Executable File
163 lines
8.8 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: UTF-8 no BOM -*-
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import os,re,sys,math,string
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import numpy as np
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from optparse import OptionParser
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import damask
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scriptID = '$Id$'
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scriptName = scriptID.split()[1]
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# --------------------------------------------------------------------
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# MAIN
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# --------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
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Add column(s) containing curl of requested column(s).
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Operates on periodic ordered three-dimensional data sets.
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Deals with both vector- and tensor-valued fields.
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""", version=string.replace('$Id$','\n','\\n')
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)
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parser.add_option('-c','--coordinates', dest='coords', type='string', metavar='string', \
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help='column heading for coordinates [%default]')
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parser.add_option('-v','--vector', dest='vector', action='extend', type='string', metavar='<string LIST>', \
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help='heading of columns containing vector field values')
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parser.add_option('-t','--tensor', dest='tensor', action='extend', type='string', metavar='<string LIST>', \
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help='heading of columns containing tensor field values')
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parser.set_defaults(coords = 'ip')
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parser.set_defaults(vector = [])
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parser.set_defaults(tensor = [])
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(options,filenames) = parser.parse_args()
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if len(options.vector) + len(options.tensor) == 0:
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parser.error('no data column specified...')
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datainfo = { # list of requested labels per datatype
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'vector': {'len':3,
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'label':[]},
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'tensor': {'len':9,
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'label':[]},
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}
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if options.vector != None: datainfo['vector']['label'] += options.vector
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if options.tensor != None: datainfo['tensor']['label'] += options.tensor
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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, 'croak':sys.stderr})
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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'), 'croak':sys.stderr})
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#--- loop over input files ------------------------------------------------------------------------
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for file in files:
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if file['name'] != 'STDIN': file['croak'].write('\033[1m'+scriptName+'\033[0m: '+file['name']+'\n')
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else: file['croak'].write('\033[1m'+scriptName+'\033[0m\n')
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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(scriptID,'\n','\\n') + '\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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file['croak'].write('no coordinate data found...\n'%key)
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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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resolution = np.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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dimension = resolution/np.maximum(np.ones(3,'d'),resolution-1.0)* \
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np.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 resolution[2] == 1:
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dimension[2] = min(dimension[:2]/resolution[:2])
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N = resolution.prod()
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# --------------- figure out columns to process
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active = {}
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column = {}
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values = {}
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curl = {}
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head = []
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for datatype,info in datainfo.items():
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for label in info['label']:
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key = {True :'1_%s',
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False:'%s' }[info['len']>1]%label
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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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if datatype not in active: active[datatype] = []
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if datatype not in column: column[datatype] = {}
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if datatype not in values: values[datatype] = {}
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if datatype not in curl: curl[datatype] = {}
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active[datatype].append(label)
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column[datatype][label] = table.labels.index(key) # remember columns of requested data
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values[datatype][label] = np.array([0.0 for i in xrange(N*datainfo[datatype]['len'])]).\
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reshape(list(resolution)+[datainfo[datatype]['len']//3,3])
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curl[datatype][label] = np.array([0.0 for i in xrange(N*datainfo[datatype]['len'])]).\
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reshape(list(resolution)+[datainfo[datatype]['len']//3,3])
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table.labels_append(['%i_curlFFT(%s)'%(i+1,label)
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for i in xrange(datainfo[datatype]['len'])]) # extend ASCII header with new labels
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# ------------------------------------------ assemble header ---------------------------------------
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table.head_write()
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# ------------------------------------------ read value 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) = damask.gridLocation(idx,resolution) # figure out (x,y,z) position from line count
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idx += 1
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for datatype,labels in active.items(): # loop over vector,tensor
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for label in labels: # loop over all requested curls
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values[datatype][label][x,y,z] = np.array(
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map(float,table.data[column[datatype][label]:
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column[datatype][label]+datainfo[datatype]['len']]),'d') \
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.reshape(datainfo[datatype]['len']//3,3)
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# ------------------------------------------ process value field -----------------------------------
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for datatype,labels in active.items(): # loop over vector,tensor
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for label in labels: # loop over all requested curls
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curl[datatype][label] = damask.core.math.curlFFT(dimension,values[datatype][label])
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# ------------------------------------------ process data ---------------------------------------
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table.data_rewind()
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outputAlive = True
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idx = 0
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while outputAlive and table.data_read(): # read next data line of ASCII table
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(x,y,z) = damask.gridLocation(idx,resolution) # figure out (x,y,z) position from line count
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idx += 1
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for datatype,labels in active.items(): # loop over vector,tensor
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for label in labels: # loop over all requested norms
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table.data_append(list(curl[datatype][label][x,y,z].reshape(datainfo[datatype]['len'])))
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outputAlive = table.data_write() # output processed line
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# ------------------------------------------ output result ---------------------------------------
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outputAlive and table.output_flush() # just in case of buffered ASCII table
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file['input'].close() # close input ASCII table (works for stdin)
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file['output'].close() # close output ASCII table (works for stdout)
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if file['name'] != 'STDIN':
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os.rename(file['name']+'_tmp',file['name']) # overwrite old one with tmp new
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