122 lines
3.2 KiB
Python
122 lines
3.2 KiB
Python
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#!/usr/bin/env python
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import os,sys,math,re
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from optparse import OptionParser
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def integerFactorization(i):
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j = int(math.floor(math.sqrt(float(i))))
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while (j>1 and int(i)%j != 0):
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j -= 1
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return j
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def positiveRadians(angle):
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angle = math.radians(float(angle))
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while angle < 0.0:
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angle += 2.0*math.pi
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return angle
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def getHeader(sizeX,sizeY,step):
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return [ \
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'# TEM_PIXperUM 1.000000', \
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'# x-star 0.509548', \
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'# y-star 0.795272', \
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'# z-star 0.611799', \
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'# WorkingDistance 18.000000', \
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'#', \
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'# Phase 1', \
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'# MaterialName Al', \
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'# Formula Fe', \
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'# Info', \
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'# Symmetry 43', \
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'# LatticeConstants 2.870 2.870 2.870 90.000 90.000 90.000', \
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'# NumberFamilies 4', \
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'# hklFamilies 1 1 0 1 0.000000 1', \
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'# hklFamilies 2 0 0 1 0.000000 1', \
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'# hklFamilies 2 1 1 1 0.000000 1', \
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'# hklFamilies 3 1 0 1 0.000000 1', \
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'# Categories 0 0 0 0 0 ', \
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'#', \
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'# GRID: SquareGrid', \
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'# XSTEP: ' + str(step), \
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'# YSTEP: ' + str(step), \
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'# NCOLS_ODD: ' + str(sizeX), \
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'# NCOLS_EVEN: ' + str(sizeX), \
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'# NROWS: ' + str(sizeY), \
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'#', \
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'# OPERATOR: ODFsammpling', \
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'#', \
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'# SAMPLEID: ', \
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'#', \
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'# SCANID: ', \
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'#', \
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]
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parser = OptionParser(usage='%prog [options] datafile(s)')
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parser.add_option("-c", "--column", type="int",\
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dest="column",\
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help="starting column of Euler triplet")
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parser.add_option("-s", "--skip", type="int",\
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dest="skip",\
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help="skip this many lines of heading info [%default]")
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parser.set_defaults (column = 1)
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parser.set_defaults (skip = 0)
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(options, files) = parser.parse_args()
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options.column -= 1
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if files == []:
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parser.error('no input file specified...')
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sys.exit(1)
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if options.column < 0:
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parser.error('column needs to be 1,2,...')
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sys.exit(1)
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while len(files) > 0:
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textureFilename = files.pop()
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baseName = os.path.splitext(textureFilename)[0]
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# open texture file and read content
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textureFile = open(textureFilename)
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content = textureFile.readlines()
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textureFile.close()
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m = re.match('(\d+)\s+head',content[0],re.I)
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if m != None and options.skip == 0:
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options.skip = int(m.group(1))+1
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# extract orientation angles
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angles = [map(positiveRadians,line.split()[options.column:options.column+3]) for line in content[options.skip:]]
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nPoints = len(angles)
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sizeY = integerFactorization(nPoints)
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sizeX = nPoints / sizeY
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print '%s: %i * %i = %i (== %i)'%(baseName,sizeX,sizeY,sizeX*sizeY,nPoints)
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# write ang file
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try:
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# write header
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angFile = open(baseName + '.ang','w')
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for line in getHeader(sizeX,sizeY,1.0):
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angFile.write(line + '\n')
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# write data
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counter = 0
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for point in angles:
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angFile.write(''.join(['%10.5f'%angle for angle in point])+
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''.join(['%10.5f'%coord for coord in [counter%sizeX,counter//sizeX]])+
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' 100.0 1.0 0 1 1.0\n')
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counter += 1
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angFile.close()
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except:
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print 'unable to write',baseName
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