136 lines
5.0 KiB
Python
Executable File
136 lines
5.0 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,vtk
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import damask
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from collections import defaultdict
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from optparse import OptionParser
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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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Add scalar and RGB tuples from ASCIItable to existing VTK voxel cloud (.vtu/.vtk).
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""", version = scriptID)
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parser.add_option('-v', '--vtk', dest='vtk', \
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help = 'VTK file name')
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parser.add_option('-s', '--scalar', dest='scalar', action='extend', \
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help = 'scalar values')
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parser.add_option('-c', '--color', dest='color', action='extend', \
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help = 'RGB color tuples')
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parser.set_defaults(scalar = [],
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color = [],
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render = False,
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)
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(options, filenames) = parser.parse_args()
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if options.vtk == None or not os.path.exists(options.vtk):
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parser.error('VTK file does not exist')
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if os.path.splitext(options.vtk)[1] == '.vtu':
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reader = vtk.vtkXMLUnstructuredGridReader()
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reader.SetFileName(options.vtk)
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reader.Update()
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uGrid = reader.GetOutput()
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elif os.path.splitext(options.vtk)[1] == '.vtk':
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reader = vtk.vtkGenericDataObjectReader()
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reader.SetFileName(options.vtk)
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reader.Update()
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uGrid = reader.GetUnstructuredGridOutput()
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else:
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parser.error('unsupported VTK file type extension')
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Npoints = uGrid.GetNumberOfPoints()
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Ncells = uGrid.GetNumberOfCells()
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sys.stderr.write('{}: {} points and {} cells...\n'.format(damask.util.emph(options.vtk),Npoints,Ncells))
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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:
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table = damask.ASCIItable(name = name,
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buffered = False, readonly = True)
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except: continue
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damask.util.croak(damask.util.emph(scriptName)+(': '+name if name else ''))
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# --- interpret header ----------------------------------------------------------------------------
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table.head_read()
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remarks = []
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errors = []
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VTKarray = {}
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active = defaultdict(list)
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for datatype,dimension,label in [['scalar',1,options.scalar],
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['color',3,options.color],
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]:
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for i,dim in enumerate(table.label_dimension(label)):
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me = label[i]
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if dim == -1: remarks.append('{} "{}" not found...'.format(datatype,me))
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elif dim > dimension: remarks.append('"{}" not of dimension{}...'.format(me,dimension))
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else:
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damask.util.croak('adding {} {}'.format(datatype,me))
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active[datatype].append(me)
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if datatype in ['scalar']:
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VTKarray[me] = vtk.vtkDoubleArray()
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elif datatype == 'color':
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VTKarray[me] = vtk.vtkUnsignedCharArray()
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VTKarray[me].SetNumberOfComponents(dimension)
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VTKarray[me].SetName(label[i])
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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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# ------------------------------------------ process data ---------------------------------------
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while table.data_read(): # read next data line of ASCII table
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for datatype,labels in active.items(): # loop over scalar,color
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for me in labels: # loop over all requested items
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theData = [table.data[i] for i in table.label_indexrange(me)] # read strings
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if datatype == 'color':
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VTKarray[me].InsertNextTuple3(*map(lambda x: int(255.*float(x)),theData))
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elif datatype == 'scalar':
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VTKarray[me].InsertNextValue(float(theData[0]))
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# ------------------------------------------ add data ---------------------------------------
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for datatype,labels in active.items(): # loop over scalar,color
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if datatype == 'color':
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uGrid.GetCellData().SetScalars(VTKarray[active['color'][0]])
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for label in labels: # loop over all requested items
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uGrid.GetCellData().AddArray(VTKarray[me])
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uGrid.Modified()
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if vtk.VTK_MAJOR_VERSION <= 5:
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uGrid.Update()
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# ------------------------------------------ output result ---------------------------------------
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writer = vtk.vtkXMLUnstructuredGridWriter()
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writer.SetDataModeToBinary()
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writer.SetCompressorTypeToZLib()
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writer.SetFileName(os.path.splitext(options.vtk)[0]+'_added.vtu')
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if vtk.VTK_MAJOR_VERSION <= 5:
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writer.SetInput(uGrid)
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else:
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writer.SetInputData(uGrid)
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writer.Write()
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