143 lines
4.6 KiB
Python
Executable File
143 lines
4.6 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import sys
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from io import StringIO
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from optparse import OptionParser
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import vtk
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from vtk.util import numpy_support
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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,
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usage='%prog options [ASCIItable(s)]',
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description = "Add scalars, vectors, tensors, and/or an RGB tuple from ASCIItable "
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+ "VTK point cloud (.vtp).",
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version = scriptID)
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parser.add_option( '--vtk',
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dest = 'vtk',
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type = 'string', metavar = 'string',
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help = 'VTK file name')
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parser.add_option('-r', '--render',
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dest = 'render',
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action = 'store_true',
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help = 'open output in VTK render window')
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parser.add_option('-d', '--data',
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dest = 'data',
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action = 'extend', metavar = '<string LIST>',
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help = 'scalar/vector value(s) label(s)')
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parser.add_option('-t', '--tensor',
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dest = 'tensor',
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action = 'extend', metavar = '<string LIST>',
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help = 'tensor (3x3) value label(s)')
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parser.add_option('-c', '--color',
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dest = 'color',
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action = 'extend', metavar = '<string LIST>',
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help = 'RGB color tuple label')
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parser.set_defaults(data = [],
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tensor = [],
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color = [],
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)
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(options, filenames) = parser.parse_args()
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if filenames == []: filenames = [None]
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if not options.vtk: parser.error('No VTK file specified.')
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if not os.path.exists(options.vtk): parser.error('VTK file does not exist.')
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vtk_file,vtk_ext = os.path.splitext(options.vtk)
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if vtk_ext == '.vtp':
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reader = vtk.vtkXMLPolyDataReader()
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reader.SetFileName(options.vtk)
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reader.Update()
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Polydata = reader.GetOutput()
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elif vtk_ext == '.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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Polydata = reader.GetPolyDataOutput()
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else:
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parser.error('unsupported VTK file type extension.')
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Npoints = Polydata.GetNumberOfPoints()
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damask.util.croak('{}: {} points...'.format(options.vtk,Npoints))
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for name in filenames:
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damask.util.report(scriptName,name)
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table = damask.Table.from_ASCII(StringIO(''.join(sys.stdin.read())) if name is None else name)
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VTKarray = {}
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for data in options.data:
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VTKarray[data] = numpy_support.numpy_to_vtk(table.get(data).copy(),
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deep=True,array_type=vtk.VTK_DOUBLE)
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VTKarray[data].SetName(data)
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for color in options.color:
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VTKarray[color] = numpy_support.numpy_to_vtk((table.get(color)*255).astype(int).copy(),
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deep=True,array_type=vtk.VTK_UNSIGNED_CHAR)
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VTKarray[color].SetName(color)
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for tensor in options.tensor:
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data = damask.mechanics.symmetric(table.get(tensor).reshape((-1,3,3))).reshape((-1,9))
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VTKarray[tensor] = numpy_support.numpy_to_vtk(data.copy(),
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deep=True,array_type=vtk.VTK_DOUBLE)
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VTKarray[tensor].SetName(tensor)
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for data in VTKarray:
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Polydata.GetPointData().AddArray(VTKarray[data])
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Polydata.Modified()
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# ------------------------------------------ output result ---------------------------------------
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writer = vtk.vtkXMLPolyDataWriter()
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writer.SetDataModeToBinary()
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writer.SetCompressorTypeToZLib()
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writer.SetFileName(vtk_file+'.'+writer.GetDefaultFileExtension())
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writer.SetInputData(Polydata)
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writer.Write()
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# ------------------------------------------ render result ---------------------------------------
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if options.render:
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mapper = vtk.vtkDataSetMapper()
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mapper.SetInputData(Polydata)
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actor = vtk.vtkActor()
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actor.SetMapper(mapper)
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# Create the graphics structure. The renderer renders into the
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# render window. The render window interactively captures mouse events
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# and will perform appropriate camera or actor manipulation
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# depending on the nature of the events.
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ren = vtk.vtkRenderer()
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renWin = vtk.vtkRenderWindow()
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renWin.AddRenderer(ren)
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ren.AddActor(actor)
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ren.SetBackground(1, 1, 1)
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renWin.SetSize(200, 200)
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iren = vtk.vtkRenderWindowInteractor()
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iren.SetRenderWindow(renWin)
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iren.Initialize()
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renWin.Render()
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iren.Start()
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