125 lines
4.9 KiB
Python
Executable File
125 lines
4.9 KiB
Python
Executable File
#!/usr/bin/env python2.7
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# -*- coding: UTF-8 no BOM -*-
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import os,sys
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import numpy as np
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from optparse import OptionParser
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import damask
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scriptName = os.path.splitext(os.path.basename(__file__))[0]
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scriptID = ' '.join([scriptName,damask.version])
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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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Blows up each value to a surrounding data block of size 'packing' thus increasing the former resolution
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to resolution*packing.
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""", version = scriptID)
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parser.add_option('-c','--coordinates',
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dest = 'pos', metavar = 'string',
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help = 'column label of coordinates [%default]')
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parser.add_option('-p','--packing',
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dest = 'packing', type = 'int', nargs = 3, metavar = 'int int int',
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help = 'dimension of packed group [%default]')
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parser.add_option('-g','--grid',
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dest = 'resolution', type = 'int', nargs = 3, metavar = 'int int int',
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help = 'resolution in x,y,z [autodetect]')
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parser.add_option('-s','--size',
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dest = 'dimension', type = 'float', nargs = 3, metavar = 'int int int',
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help = 'dimension in x,y,z [autodetect]')
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parser.set_defaults(pos = 'pos',
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packing = (2,2,2),
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grid = (0,0,0),
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size = (0.0,0.0,0.0),
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)
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(options,filenames) = parser.parse_args()
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options.packing = np.array(options.packing)
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prefix = 'blowUp{}x{}x{}_'.format(*options.packing)
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# --- loop over input files -------------------------------------------------------------------------
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if filenames == []: filenames = [None]
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for name in filenames:
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try: table = damask.ASCIItable(name = name,
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outname = os.path.join(os.path.dirname(name),
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prefix+os.path.basename(name)) if name else name,
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buffered = False)
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except: continue
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damask.util.report(scriptName,name)
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# ------------------------------------------ read header ------------------------------------------
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table.head_read()
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# ------------------------------------------ sanity checks ----------------------------------------
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errors = []
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remarks = []
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if table.label_dimension(options.pos) != 3: errors.append('coordinates "{}" are not a vector.'.format(options.pos))
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else: colCoord = table.label_index(options.pos)
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colElem = table.label_index('elem')
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if remarks != []: damask.util.croak(remarks)
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if errors != []:
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damask.util.croak(errors)
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table.close(dismiss = True)
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continue
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# --------------- figure out size and grid ---------------------------------------------------------
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table.data_readArray(options.pos)
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table.data_rewind()
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coords = [np.unique(table.data[:,i]) for i in range(3)]
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mincorner = np.array(map(min,coords))
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maxcorner = np.array(map(max,coords))
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grid = np.array(map(len,coords),'i')
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size = grid/np.maximum(np.ones(3,'d'), grid-1.0) * (maxcorner-mincorner) # size from edge to edge = dim * n/(n-1)
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size = np.where(grid > 1, size, min(size[grid > 1]/grid[grid > 1])) # spacing for grid==1 set to smallest among other spacings
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packing = np.array(options.packing,'i')
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outSize = grid*packing
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# ------------------------------------------ assemble header --------------------------------------
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table.info_append(scriptID + '\t' + ' '.join(sys.argv[1:]))
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table.head_write()
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# ------------------------------------------ process data -------------------------------------------
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data = np.zeros(outSize.tolist()+[len(table.labels(raw = True))])
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p = np.zeros(3,'i')
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for p[2] in range(grid[2]):
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for p[1] in range(grid[1]):
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for p[0] in range(grid[0]):
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d = p*packing
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table.data_read()
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data[d[0]:d[0]+packing[0],
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d[1]:d[1]+packing[1],
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d[2]:d[2]+packing[2],
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: ] = np.tile(np.array(table.data_asFloat(),'d'),packing.tolist()+[1]) # tile to match blowUp voxel size
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elementSize = size/grid/packing
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elem = 1
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for c in range(outSize[2]):
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for b in range(outSize[1]):
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for a in range(outSize[0]):
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data[a,b,c,colCoord:colCoord+3] = [a+0.5,b+0.5,c+0.5]*elementSize
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if colElem != -1: data[a,b,c,colElem] = elem
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table.data = data[a,b,c,:].tolist()
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outputAlive = table.data_write() # output processed line
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elem += 1
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# ------------------------------------------ output finalization -----------------------------------
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table.close() # close input ASCII table (works for stdin)
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