109 lines
4.9 KiB
Python
Executable File
109 lines
4.9 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# -*- coding: UTF-8 no BOM -*-
|
|
|
|
import string,os,sys
|
|
from optparse import OptionParser, Option
|
|
|
|
# -----------------------------
|
|
class extendableOption(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)
|
|
|
|
|
|
# --------------------------------------------------------------------
|
|
# MAIN
|
|
# --------------------------------------------------------------------
|
|
|
|
parser = OptionParser(option_class=extendableOption, usage='%prog options [file[s]]', description = """
|
|
Converts ang files (EBSD Data) from hexagonal grid to a pixel grid
|
|
|
|
""" + string.replace('$Id$','\n','\\n')
|
|
)
|
|
|
|
parser.add_option('-x', dest='columnX', action='store', type='int', \
|
|
help='column containing x coordinates [%default]')
|
|
|
|
parser.set_defaults(columnX = 3)
|
|
|
|
(options,filenames) = parser.parse_args()
|
|
|
|
counterX = 0
|
|
counterY = 0
|
|
addPoints = -1 # No of doubled points (must be the same for each odd/even line, initializing with -1 make countin easy!)
|
|
|
|
# ------------------------------------------ setup file handles ---------------------------------------
|
|
|
|
files = []
|
|
if filenames == []:
|
|
files.append({'name':'STDIN', 'input':sys.stdin, 'output':sys.stdout})
|
|
else:
|
|
for name in filenames:
|
|
if os.path.exists(name):
|
|
files.append( {'name':name, 'input':open(name),'output':open(os.path.splitext(name)[0]\
|
|
+'_cub'+os.path.splitext(name)[1], 'w')})
|
|
|
|
# ------------------------------------------ loop over input files ---------------------------------------
|
|
|
|
for file in files:
|
|
print file['name']
|
|
x = 0
|
|
for line in file['input']:
|
|
lineSplit=line.split()
|
|
|
|
if lineSplit[0]=='#':
|
|
if len(lineSplit)>2: # possibly interesting information
|
|
if line.split()[2]=='SqrGrid':
|
|
print 'The file is already a square grid file.'
|
|
sys.exit()
|
|
if lineSplit[1]=='XSTEP:': stepSizeX = float(lineSplit[2])
|
|
if lineSplit[1]=='YSTEP:': stepSizeY = float(lineSplit[2])
|
|
|
|
if lineSplit[2]=='HexGrid': line='# GRID: SqrGrid\n' # comments are not read by OIM, but still better to be correct
|
|
if lineSplit[1]=='NCOLS_ODD:':
|
|
NCols = int(int(lineSplit[2])*stepSizeX/stepSizeY)
|
|
line='# NCOLS_ODD: %d\n'% NCols
|
|
if lineSplit[1]=='NCOLS_EVEN:':
|
|
line='# NCOLS_EVEN: %d\n'% NCols
|
|
|
|
file['output'].write(line)
|
|
else: # finished reading of header
|
|
xOld = x
|
|
x = float(lineSplit[options.columnX]) # current (original) x positions
|
|
|
|
if x > xOld: # same line, increase X
|
|
counterX+=1
|
|
else: # new line, increase in Y, reset X
|
|
counterY+=1
|
|
addPoints = -1 # to start at zero
|
|
counterX=0
|
|
|
|
lineFirstPart ='' # split line around x and y coordinate
|
|
for i in xrange(options.columnX):
|
|
lineFirstPart =lineFirstPart+' '+lineSplit[i]
|
|
lineLastPart =''
|
|
for i in xrange(len(lineSplit)- (options.columnX+2)):
|
|
lineLastPart =lineLastPart+' '+lineSplit[i+options.columnX+2]
|
|
|
|
if counterX+addPoints < NCols:
|
|
file['output'].write('%s %.6f %.6f %s\n' %(lineFirstPart,(counterX+addPoints)*stepSizeY, # write with new x and y position
|
|
counterY*stepSizeY,lineLastPart))
|
|
|
|
if x - (counterX+addPoints)*stepSizeY > 0.5*stepSizeY and counterX+addPoints+1 < NCols: # double point (interpolation error)
|
|
|
|
addPoints+=1
|
|
file['output'].write('%s %.6f %.6f %s\n' %(lineFirstPart,(counterX+addPoints)*stepSizeY,\
|
|
counterY*stepSizeY,lineLastPart))
|