not needed anymore
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Martin Diehl
parent
d3ee2c05b9
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0da55113f9
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#!/usr/bin/env python2
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# -*- coding: UTF-8 no BOM -*-
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import os,sys,string
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import numpy as np
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import damask
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from optparse import OptionParser
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scriptName = os.path.splitext(os.path.basename(__file__))[0]
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scriptID = ' '.join([scriptName,damask.version])
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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] datafile[s]', description = """
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Calculates the standard deviation of data in blocks of size 'packing' thus reducing the former resolution
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to resolution/packing.
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""", version = scriptID)
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parser.add_option('-c','--coordinates', dest='pos', type='string',\
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help='column heading for coordinates [%default]')
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parser.add_option('-p','--packing', dest='packing', type='int', nargs=3, \
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help='dimension of packed group %default')
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parser.add_option('-s','--shift', dest='shift', type='int', nargs=3, \
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help='shift vector of packing stencil %default')
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parser.add_option('-r','--resolution', dest='resolution', type='int', nargs=3, \
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help='resolution in x,y,z [autodetect]')
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parser.add_option('-d','--dimension', dest='dimension', type='float', nargs=3, \
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help='dimension in x,y,z [autodetect]')
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parser.set_defaults(coords = 'pos')
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parser.set_defaults(packing = [2,2,2])
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parser.set_defaults(shift = [0,0,0])
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parser.set_defaults(resolution = [0,0,0])
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parser.set_defaults(dimension = [0.0,0.0,0.0])
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(options,filenames) = parser.parse_args()
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if len(options.packing) < 3:
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parser.error('packing needs three parameters...')
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if len(options.shift) < 3:
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parser.error('shift needs three parameters...')
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options.packing = np.array(options.packing)
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options.shift = np.array(options.shift)
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prefix = 'stddevDown%ix%ix%i_'%(options.packing[0],options.packing[1],options.packing[2])
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if np.any(options.shift != 0):
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prefix += 'shift%+i%+i%+i_'%(options.shift[0],options.shift[1],options.shift[2])
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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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name = os.path.relpath(name)
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if os.path.exists(name):
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files.append({'name':name, 'input':open(name),
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'output':open(os.path.join(os.path.dirname(name),prefix+os.path.basename(name)),'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 size and grid ---------------------------------------------------------
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try:
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locationCol = table.labels.index('1_%s'%options.pos) # columns containing location data
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except ValueError:
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try:
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locationCol = table.labels.index('%s.x'%options.pos) # columns containing location data (legacy naming scheme)
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except ValueError:
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file['croak'].write('no coordinate data (1_%s/%s.x) found...\n'%(options.pos,options.pos))
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continue
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if (any(options.resolution)==0 or any(options.dimension)==0.0):
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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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else:
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resolution = np.array(options.resolution,'i')
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dimension = np.array(options.dimension,'d')
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if resolution[2] == 1:
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options.packing[2] = 1
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options.shift[2] = 0
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dimension[2] = min(dimension[:2]/resolution[:2]) # z spacing equal to smaller of x or y spacing
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packing = np.array(options.packing,'i')
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shift = np.array(options.shift,'i')
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downSized = np.maximum(np.ones(3,'i'),resolution//packing)
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outSize = np.ceil(np.array(resolution,'d')/np.array(packing,'d'))
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print '\t%s @ %s --> %s'%(dimension,resolution,downSized)
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# ------------------------------------------ assemble header ---------------------------------------
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table.head_write()
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# ------------------------------------------ process data ---------------------------------------
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dataavg = np.zeros(outSize.tolist()+[len(table.labels)])
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datavar = np.zeros(outSize.tolist()+[len(table.labels)])
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p = np.zeros(3,'i')
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table.data_rewind()
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for p[2] in xrange(resolution[2]):
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for p[1] in xrange(resolution[1]):
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for p[0] in xrange(resolution[0]):
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d = ((p-shift)%resolution)//packing
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table.data_read()
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dataavg[d[0],d[1],d[2],:] += np.array(table.data_asFloat(),'d') # convert to np array
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dataavg /= packing.prod()
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table.data_rewind()
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for p[2] in xrange(resolution[2]):
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for p[1] in xrange(resolution[1]):
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for p[0] in xrange(resolution[0]):
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d = ((p-shift)%resolution)//packing
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table.data_read()
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datavar[d[0],d[1],d[2],:] += (np.array(table.data_asFloat(),'d') - dataavg[d[0],d[1],d[2],:])**2
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datavar = np.sqrt(datavar/packing.prod())
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posOffset = (shift+[0.5,0.5,0.5])*dimension/resolution
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elementSize = dimension/resolution*packing
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for c in xrange(downSized[2]):
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for b in xrange(downSized[1]):
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for a in xrange(downSized[0]):
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datavar[a,b,c,locationCol:locationCol+3] = posOffset + [a,b,c]*elementSize
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table.data = datavar[a,b,c,:].tolist()
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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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# ------------------------------------------ close file handles ---------------------------------------
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for file in files:
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table.input_close() # close input ASCII table
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if file['name'] != 'STDIN':
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table.output_close() # close output ASCII table
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