DAMASK_EICMD/processing/post/addAPS34IDEstrainCoords.py

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#!/usr/bin/env python3
import os
import sys
from optparse import OptionParser
import numpy as np
import damask
scriptName = os.path.splitext(os.path.basename(__file__))[0]
scriptID = ' '.join([scriptName,damask.version])
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [ASCIItable(s)]', description = """
Transform X,Y,Z,F APS BeamLine 34 coordinates to x,y,z APS strain coordinates.
""", version = scriptID)
parser.add_option('-f','--frame',dest='frame', metavar='string',
help='label of APS X,Y,Z coords')
parser.add_option('--depth', dest='depth', metavar='string',
help='depth')
(options,filenames) = parser.parse_args()
if options.frame is None:
parser.error('frame not specified')
if options.depth is None:
parser.error('depth not specified')
# --- loop over input files ------------------------------------------------------------------------
if filenames == []: filenames = [None]
for name in filenames:
try: table = damask.ASCIItable(name = name,
buffered = False)
except: continue
damask.util.report(scriptName,name)
# ------------------------------------------ read header ------------------------------------------
table.head_read()
# ------------------------------------------ sanity checks -----------------------------------------
errors = []
if table.label_dimension(options.frame) != 3:
errors.append('input {} does not have dimension 3.'.format(options.frame))
if table.label_dimension(options.depth) != 1:
errors.append('input {} does not have dimension 1.'.format(options.depth))
if errors != []:
damask.util.croak(errors)
table.close(dismiss = True)
continue
table.info_append(scriptID + '\t' + ' '.join(sys.argv[1:]))
# ------------------------------------------ assemble header ---------------------------------------
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table.labels_append(['%i_coord'%(i+1) for i in range(3)]) # extend ASCII header with new labels
table.head_write()
# ------------------------------------------ process data ------------------------------------------
theta=-0.75*np.pi
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RotMat2TSL=np.array([[1., 0., 0.],
[0., np.cos(theta), np.sin(theta)], # Orientation to account for -135 deg
[0., -np.sin(theta), np.cos(theta)]]) # rotation for TSL convention
outputAlive = True
while outputAlive and table.data_read(): # read next data line of ASCII table
coord = list(map(float,table.data[table.label_index(options.frame):table.label_index(options.frame)+3]))
depth = float(table.data[table.label_index(options.depth)])
table.data_append(np.dot(RotMat2TSL,np.array([-coord[0],-coord[1],-coord[2]+depth])))
outputAlive = table.data_write() # output processed line
# ------------------------------------------ output finalization -----------------------------------
table.close() # close ASCII tables