DAMASK_EICMD/processing/pre/ang_hex2cub.py

85 lines
3.5 KiB
Python

#!/usr/bin/env python
# -*- coding: UTF-8 no BOM -*-
import string,os,sys
from optparse import OptionParser, OptionGroup, Option, SUPPRESS_HELP
# -----------------------------
class extendedOption(Option):
# -----------------------------
# used for definition of new option parser action 'extend', which enables to take multiple option arguments
# taken from online tutorial http://docs.python.org/library/optparse.html
ACTIONS = Option.ACTIONS + ("extend",)
STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
def take_action(self, action, dest, opt, value, values, parser):
if action == "extend":
lvalue = value.split(",")
values.ensure_value(dest, []).extend(lvalue)
else:
Option.take_action(self, action, dest, opt, value, values, parser)
parser = OptionParser(option_class=extendedOption, usage='%prog [geomfile[s]]', description = """
Converts EBSD Data stored in *.ang files from hex to cub
""" + string.replace('$Id: spectral_geomCheck.py 1084 2011-11-09 15:37:45Z MPIE\c.zambaldi $','\n','\\n')
)
(options, filenames) = parser.parse_args()
# ------------------------------------------ setup file handles ---------------------------------------
columnX = 3 # 0,1,2,3 (python notation!)
counterX = 0
counterY = 0
addPoints = 0
files = []
for name in filenames:
if os.path.exists(name):
files.append( {'name':name, 'input':open(name),'output':open('cub_'+name, 'w')})
# ------------------------------------------ loop over input files ---------------------------------------
for file in files:
print file['name']
for line in file['input']:
if line.split()[0]=='#':
if len(line.split())>2: # possibly interesting information
if line.split()[2]=='SqrGrid':
print 'The file is already a square grid file.'
sys.exit()
if line.split()[2]=='HexGrid': line='# GRID: SqrGrid\n'
if line.split()[1]=='XSTEP:': stepSizeX = float(line.split()[2])
if line.split()[1]=='YSTEP:': stepSizeY = float(line.split()[2])
if line.split()[1]=='NCOLS_EVEN:': NColsEven = int(line.split()[2])
file['output'].write(line)
else: # finished reading of header
lineSplit=line.split()
x = float(lineSplit[columnX])
y = float(lineSplit[columnX+1])
lineFirstPart =''
lineLastPart =''
for i in xrange(columnX):
lineFirstPart =lineFirstPart+' '+lineSplit[i]
for i in xrange(len(lineSplit)- (columnX+2)):
lineLastPart =lineLastPart+' '+lineSplit[i+columnX+2]
file['output'].write(lineFirstPart+' '+\
str((counterX+addPoints)*stepSizeY)+' '+str(y)+' '+\
lineLastPart+'\n')
if x + stepSizeX - (counterX+addPoints+1)*stepSizeY > 0.5*stepSizeY: # double point (interpolation error)
addPoints+=1
file['output'].write(lineFirstPart+' '+\
str((counterX+addPoints)*stepSizeY)+' '+str(y)+' '+\
lineLastPart+'\n')
if(counterX == NColsEven + counterY%2): # new row (odd and even differ by 1)
counterY+=1
counterX=0
addPoints=0
counterX+=1