129 lines
5.6 KiB
Python
Executable File
129 lines
5.6 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: UTF-8 no BOM -*-
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import os,sys,string,itertools
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import numpy as np
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from optparse import OptionParser
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from collections import defaultdict
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import damask
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scriptID = string.replace('$Id$','\n','\\n')
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scriptName = os.path.splitext(scriptID.split()[1])[0]
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#--------------------------------------------------------------------------------------------------
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# MAIN
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#--------------------------------------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
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Create seed file by taking microstructure indices from given ASCIItable column.
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White and black-listing of microstructure indices is possible.
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Examples:
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--white 1,2,5 --index grainID isolates grainID entries of value 1, 2, and 5;
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--black 1 --index grainID takes all grainID entries except for value 1.
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""", version = scriptID)
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parser.add_option('-p', '--positions',
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dest = 'pos',
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type = 'string', metavar = 'string',
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help = 'coordinate label [%default]')
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parser.add_option('--boundingbox',
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dest = 'box',
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type = 'float', nargs = 6, metavar = ' '.join(['float']*6),
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help = 'min (x,y,z) and max (x,y,z) coordinates of bounding box [tight]')
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parser.add_option('-i', '--index',
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dest = 'index',
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type = 'string', metavar = 'string',
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help = 'microstructure index label [%default]')
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parser.add_option('-w','--white',
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dest = 'whitelist',
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action = 'extend', metavar = '<int LIST>',
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help = 'whitelist of microstructure indices')
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parser.add_option('-b','--black',
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dest = 'blacklist',
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action = 'extend', metavar = '<int LIST>',
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help = 'blacklist of microstructure indices')
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parser.set_defaults(pos = 'pos',
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index ='microstructure',
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)
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(options,filenames) = parser.parse_args()
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if options.whitelist != None: options.whitelist = map(int,options.whitelist)
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if options.blacklist != None: options.blacklist = map(int,options.blacklist)
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# --- loop over input files -------------------------------------------------------------------------
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if filenames == []: filenames = ['STDIN']
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for name in filenames:
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if not (name == 'STDIN' or os.path.exists(name)): continue
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table = damask.ASCIItable(name = name, outname = os.path.splitext(name)[0]+'.seeds',
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buffered = False)
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table.croak('\033[1m'+scriptName+'\033[0m'+(': '+name if name != 'STDIN' else ''))
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table.head_read() # read ASCII header info
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# ------------------------------------------ sanity checks ---------------------------------------
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missing_labels = table.data_readArray([options.pos,options.index])
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errors = []
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if len(missing_labels) > 0:
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errors.append('column{} {} not found'.format('s' if len(missing_labels) > 1 else '',
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', '.join(missing_labels)))
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for label, dim in {options.pos: 3,
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options.index: 1}.iteritems():
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if table.label_dimension(label) != dim:
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errors.append('column {} has wrong dimension'.format(label))
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if errors != []:
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table.croak(errors)
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table.close(dismiss = True) # close ASCII table file handles and delete output file
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continue
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# ------------------------------------------ process data ------------------------------------------
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# --- finding bounding box -------------------------------------------------------------------------
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boundingBox = np.array((np.amin(table.data[:,0:3],axis = 0),np.amax(table.data[:,0:3],axis = 0)))
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if options.box:
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boundingBox[0,:] = np.minimum(options.box[0:3],boundingBox[0,:])
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boundingBox[1,:] = np.maximum(options.box[3:6],boundingBox[1,:])
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# --- rescaling coordinates ------------------------------------------------------------------------
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table.data[:,0:3] -= boundingBox[0,:]
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table.data[:,0:3] /= boundingBox[1,:]-boundingBox[0,:]
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# --- filtering of grain voxels --------------------------------------------------------------------
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mask = np.logical_and(\
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np.ones_like(table.data[:,3],bool) \
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if options.whitelist == None \
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else np.in1d(table.data[:,3].ravel(), options.whitelist).reshape(table.data[:,3].shape),
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np.ones_like(table.data[:,3],bool) \
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if options.blacklist == None \
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else np.invert(np.in1d(table.data[:,3].ravel(), options.blacklist).reshape(table.data[:,3].shape))
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)
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table.data = table.data[mask]
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# ------------------------------------------ output result ---------------------------------------
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# ------------------------------------------ assemble header ---------------------------------------
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table.info = [
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scriptID,
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'size %s'%(' '.join(list(itertools.chain.from_iterable(zip(['x','y','z'],
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map(str,boundingBox[1,:]-boundingBox[0,:])))))),
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]
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table.labels_clear()
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table.labels_append(['1_pos','2_pos','3_pos','microstructure']) # implicitly switching label processing/writing on
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table.head_write()
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table.data_writeArray()
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table.close() # close ASCII tables
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