78 lines
2.2 KiB
Python
Executable File
78 lines
2.2 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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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 [ASCIItable(s)]', description = """
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Produce a VTK point cloud dataset based on coordinates given in an ASCIItable.
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""", version = scriptID)
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parser.add_option('-p',
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'--pos', '--position',
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dest = 'pos',
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type = 'string', metavar = 'string',
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help = 'label of coordinates [%default]')
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parser.set_defaults(pos = 'pos',
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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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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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# ------------------------------------------ process data ---------------------------------------
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Polydata = vtk.vtkPolyData()
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Points = vtk.vtkPoints()
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Vertices = vtk.vtkCellArray()
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for p in table.get(options.pos):
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pointID = Points.InsertNextPoint(p)
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Vertices.InsertNextCell(1)
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Vertices.InsertCellPoint(pointID)
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Polydata.SetPoints(Points)
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Polydata.SetVerts(Vertices)
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Polydata.Modified()
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# ------------------------------------------ output result ---------------------------------------
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if name:
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writer = vtk.vtkXMLPolyDataWriter()
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writer.SetCompressorTypeToZLib()
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writer.SetDataModeToBinary()
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writer.SetFileName(os.path.join(os.path.split(name)[0],
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os.path.splitext(os.path.split(name)[1])[0] +
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'.' + writer.GetDefaultFileExtension()))
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else:
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writer = vtk.vtkDataSetWriter()
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writer.SetHeader('# powered by '+scriptID)
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writer.WriteToOutputStringOn()
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writer.SetInputData(Polydata)
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writer.Write()
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if name is None: sys.stdout.write(writer.GetOutputString())
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