DAMASK_EICMD/processing/pre/texture2ang.py

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#!/usr/bin/env python
import damask
import os,sys,math,re,string
from optparse import OptionParser
scriptID = string.replace('$Id$','\n','\\n')
scriptName = scriptID.split()[1]
def integerFactorization(i):
j = int(math.floor(math.sqrt(float(i))))
while (j>1 and int(i)%j != 0):
j -= 1
return j
def positiveRadians(angle):
angle = math.radians(float(angle))
while angle < 0.0:
angle += 2.0*math.pi
return angle
def getHeader(sizeX,sizeY,step,format):
if format == 'ang':
return [
'# TEM_PIXperUM 1.000000',
'# x-star 0.509548',
'# y-star 0.795272',
'# z-star 0.611799',
'# WorkingDistance 18.000000',
'#',
'# Phase 1',
'# MaterialName Al',
'# Formula Fe',
'# Info',
'# Symmetry 43',
'# LatticeConstants 2.870 2.870 2.870 90.000 90.000 90.000',
'# NumberFamilies 4',
'# hklFamilies 1 1 0 1 0.000000 1',
'# hklFamilies 2 0 0 1 0.000000 1',
'# hklFamilies 2 1 1 1 0.000000 1',
'# hklFamilies 3 1 0 1 0.000000 1',
'# Categories 0 0 0 0 0 ',
'#',
'# GRID: SquareGrid',
'# XSTEP: ' + str(step),
'# YSTEP: ' + str(step),
'# NCOLS_ODD: ' + str(sizeX),
'# NCOLS_EVEN: ' + str(sizeX),
'# NROWS: ' + str(sizeY),
'#',
'# OPERATOR: ODFsammpling',
'#',
'# SAMPLEID: ',
'#',
'# SCANID: ',
'#'
]
else: # ctf format
return [ \
'Channel Text File',
'Prj X:\\xxx\\xxxx.cpr',
'Author [MPIE-DAMASK]',
'JobMode Grid',
'XCells '+ str(sizeX),
'YCells '+ str(sizeY),
'XStep '+ str(step),
'YStep '+ str(step),
'AcqE1 0',
'AcqE2 90',
'AcqE3 0',
'Euler angles refer to Sample Coordinate system (CS0)! Mag 300 Coverage 100 Device 0 KV 20 TiltAngle 70 TiltAxis 0',
'Phases 1',
'4.05;4.05;4.05 90;90;90 Aluminium 11 225 3803863129_5.0.6.3 -2102160418 Cryogenics18,54-55',
'Phase X Y Bands Error Euler1 Euler2 Euler3 MAD BC BS'
]
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
output the Euler angles in the format supported by TSL (.ang or .ctf).
""", version = scriptID)
parser.add_option("-c", "--column", type="int", dest="column",
help="starting column of Euler triplet")
parser.add_option("-s", "--skip", type="int", dest="skip",
help="skip this many lines of heading info [%default]")
parser.add_option("-f", "--format", type="string", dest="format",
help="the format of the output file [%default]")
parser.set_defaults (column = 1)
parser.set_defaults (skip = 1)
parser.set_defaults (format = 'ang')
(options,filenames) = parser.parse_args()
options.column -= 1
#--- setup file handles ---------------------------------------------------------------------------
files = []
if filenames == []:
files.append({'name':'STDIN','input':sys.stdin,'output':sys.stdout,'croak':sys.stderr})
else:
for name in filenames:
if os.path.exists(name):
files.append({'name':name,'input':open(name),'output':open(name+'_tmp','w'),'croak':sys.stdout})
else:
print('No such file or directory: '+name)
#--- loop over input files ------------------------------------------------------------------------
for file in files:
file['croak'].write('\033[1m' + scriptName + '\033[0m: ' + (file['name'] if file['name'] != 'STDIN' else '') + '\n')
# open texture file and read content
textureFile = open(file['name'])
content = textureFile.readlines()
textureFile.close()
m = re.match('(\d+)\s+head',content[0],re.I)
if m != None and options.skip == 0: options.skip = int(m.group(1))+1
# extract orientation angles
if options.format == 'ang': # 'ang' file, radian
angles = [map(positiveRadians,line.split()[options.column:options.column+3]) for line in content[options.skip:]]
else: # 'ctf' file, degree
angles = [line.split()[options.column:options.column+3] for line in content[options.skip:]]
nPoints = len(angles)
sizeY = integerFactorization(nPoints)
sizeX = nPoints / sizeY
file['croak'].write('%s: %i*%i = %i (== %i)\n'%(file['name'],sizeX,sizeY,sizeX*sizeY,nPoints) )
# write ang/ctf file
for line in getHeader(sizeX,sizeY,1.0,options.format):
file['output'].write(line + '\n')
for counter,point in enumerate(angles):
if options.format == 'ang':
file['output'].write(''.join(['%10.5f'%angle for angle in point])+
''.join(['%10.5f'%coord for coord in [counter%sizeX,counter//sizeX]])+
' 100.0 1.0 0 1 1.0\n')
else:
file['output'].write('1 '+
' '.join(['%6.1f'%coord for coord in [counter%sizeX,counter//sizeX]])+
' 5 0 '+
' '.join(['%10.5f'%float(angle) for angle in point])+
' 0.5000 100 0\n')
if file['name'] != 'STDIN':
file['output'].close()
os.rename(file['name']+'_tmp', os.path.splitext(file['name'])[0]+'.'+options.format )