DAMASK_EICMD/processing/post/DADF5_vtk_cells.py

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#!/usr/bin/env python3
# -*- coding: UTF-8 no BOM -*-
import os,vtk
import numpy as np
import argparse
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')
options = parser.parse_args()
# --- loop over input files ------------------------------------------------------------------------
for filename in options.filenames:
data = damask.DADF5(filename)
if data.structured: # for grid solvers use rectilinear grid
rGrid = vtk.vtkRectilinearGrid()
coordArray = [vtk.vtkDoubleArray(),
vtk.vtkDoubleArray(),
vtk.vtkDoubleArray(),
]
rGrid.SetDimensions(*data.grid)
for dim in [0,1,2]:
for c in np.linspace(0,data.size[dim],1+data.grid[dim]):
coordArray[dim].InsertNextValue(c)
rGrid.SetXCoordinates(coordArray[0])
rGrid.SetYCoordinates(coordArray[1])
rGrid.SetZCoordinates(coordArray[2])
for i,inc in enumerate(data.increments):
if not inc['active']: pass
if data.structured:
writer = vtk.vtkXMLRectilinearGridWriter()
writer.SetCompressorTypeToZLib()
writer.SetDataModeToBinary()
writer.SetFileName(os.path.join(os.path.split(filename)[0],
os.path.splitext(os.path.split(filename)[1])[0] +
'_inc{:04d}'.format(i) + # ToDo: adjust to lenght of increments
'.' + writer.GetDefaultFileExtension()))
if data.structured:
writer.SetInputData(rGrid)
writer.Write()