DAMASK_EICMD/processing/post/DADF5_vtk_cells.py

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#!/usr/bin/env python3
import os
import argparse
import numpy as np
import vtk
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from vtk.util import numpy_support
import damask
scriptName = os.path.splitext(os.path.basename(__file__))[0]
scriptID = ' '.join([scriptName,damask.version])
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
parser = argparse.ArgumentParser()
#ToDo: We need to decide on a way of handling arguments of variable lentght
#https://stackoverflow.com/questions/15459997/passing-integer-lists-to-python
#parser.add_argument('--version', action='version', version='%(prog)s {}'.format(scriptID))
parser.add_argument('filenames', nargs='+',
help='DADF5 files')
parser.add_argument('-d','--dir', dest='dir',default='postProc',metavar='string',
help='name of subdirectory to hold output')
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parser.add_argument('--mat', nargs='+',
help='labels for materialpoint/homogenization',dest='mat')
parser.add_argument('--con', nargs='+',
help='labels for constituent/crystallite/constitutive',dest='con')
options = parser.parse_args()
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if options.mat is None: options.mat=[]
if options.con is None: options.con=[]
# --- loop over input files ------------------------------------------------------------------------
for filename in options.filenames:
results = damask.DADF5(filename)
if results.structured: # for grid solvers use rectilinear grid
rGrid = vtk.vtkRectilinearGrid()
coordArray = [vtk.vtkDoubleArray(),
vtk.vtkDoubleArray(),
vtk.vtkDoubleArray(),
]
rGrid.SetDimensions(*(results.grid+1))
for dim in [0,1,2]:
for c in np.linspace(0,results.size[dim],1+results.grid[dim]):
coordArray[dim].InsertNextValue(c)
rGrid.SetXCoordinates(coordArray[0])
rGrid.SetYCoordinates(coordArray[1])
rGrid.SetZCoordinates(coordArray[2])
for i,inc in enumerate(results.increments):
print('Output step {}/{}'.format(i+1,len(results.increments)))
vtk_data = []
results.visible['increments'] = [inc]
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results.materialpoint_set([])
results.constituent_set(results.constituents)
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for label in options.con:
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for o in results.constituent_output_iter():
if o != 'generic':
for c in results.constituent_iter():
x = results.get_dataset_location(label)
if len(x) == 0:
continue
array = results.read_dataset(x,0)
shape = [array.shape[0],np.product(array.shape[1:])]
vtk_data.append(numpy_support.numpy_to_vtk(num_array=array.reshape(shape),deep=True,array_type= vtk.VTK_DOUBLE))
vtk_data[-1].SetName('1_'+x[0].split('/',1)[1])
rGrid.GetCellData().AddArray(vtk_data[-1])
else:
x = results.get_dataset_location(label)
if len(x) == 0:
continue
array = results.read_dataset(x,0)
shape = [array.shape[0],np.product(array.shape[1:])]
vtk_data.append(numpy_support.numpy_to_vtk(num_array=array.reshape(shape),deep=True,array_type= vtk.VTK_DOUBLE))
vtk_data[-1].SetName('1_'+x[0].split('/')[1]+'/generic/'+label)
rGrid.GetCellData().AddArray(vtk_data[-1])
results.constituent_set([])
results.materialpoint_set(results.materialpoints)
for label in options.mat:
for o in results.materialpoint_output_iter():
if o != 'generic':
for m in results.materialpoint_iter():
x = results.get_dataset_location(label)
if len(x) == 0:
continue
array = results.read_dataset(x,0)
shape = [array.shape[0],np.product(array.shape[1:])]
vtk_data.append(numpy_support.numpy_to_vtk(num_array=array.reshape(shape),deep=True,array_type= vtk.VTK_DOUBLE))
vtk_data[-1].SetName('1_'+x[0].split('/',1)[1])
rGrid.GetCellData().AddArray(vtk_data[-1])
else:
x = results.get_dataset_location(label)
if len(x) == 0:
continue
array = results.read_dataset(x,0)
shape = [array.shape[0],np.product(array.shape[1:])]
vtk_data.append(numpy_support.numpy_to_vtk(num_array=array.reshape(shape),deep=True,array_type= vtk.VTK_DOUBLE))
vtk_data[-1].SetName('1_'+x[0].split('/')[1]+'/generic/'+label)
rGrid.GetCellData().AddArray(vtk_data[-1])
if results.structured:
writer = vtk.vtkXMLRectilinearGridWriter()
dirname = os.path.abspath(os.path.join(os.path.dirname(filename),options.dir))
try:
os.mkdir(dirname)
except FileExistsError:
pass
file_out = '{}_inc{:04d}.{}'.format(filename.split('.')[0],inc['inc'],writer.GetDefaultFileExtension())
writer.SetCompressorTypeToZLib()
writer.SetDataModeToBinary()
writer.SetFileName(os.path.join(dirname,file_out))
if results.structured:
writer.SetInputData(rGrid)
writer.Write()