[Paraview] Getting line data into Paraview 3.10.0

[Robert Maynard]

I recommend always using Unix style paths when trying to open files even
when on windows.

On Fri, Mar 11, 2011 at 2:05 PM, Sebastien Jourdain <
sebastien.jourdain at kitware.com> wrote:

> is it because you are using "\" in your path ?
> It seems that your command to open the file is wrong..
>
> On Fri, Mar 11, 2011 at 11:28 AM, Lester Anderson
> <lester_anderson1963 at hotmail.com> wrote:
> > Hello
> >
> > I am having problems getting line data into Paraview like below:
> >
> >>  @D0|802
> > 71.544281294689512 -70.195276311658077
> > 71.688883266535839 -70.803067353070787
> > 71.38500823808829 -71.198687848942484
> > 70.489943344507651 -71.537405020061286
> > 69.243648292148919 -72.032781992602239
> > 68.343962786687243 -72.448893783954588
> > 67.981376969701287 -72.772842957827351
> > 68.100709218429969 -73.404243851896808
> > 68.405639346171426 -73.796396551645131
> > 68.864598617974011 -74.278821236312368
> >>  @D1|802
> > 67.01790387568883 -73.727007691932769
> > 66.514604674359518 -74.029527337311038
> > 66.158131619687595 -74.145946545617733
> > 66.416517810764773 -74.554436935231323
> >>  @D2|802
> > 67.315000523512794 -75.111290145048144
> > 66.43005383192326 -75.716970640682874
> > 65.362131457243223 -76.087825945619358
> > 64.135678202144192 -76.588857027141785
> > 61.504870583900271 -77.191571848696427
> >
> > I did try the script:
> >
> > import os
> >
> > import string
> >
> > def insertNextCell():
> >
> > nextpoly = vtk.vtkPolyLine()
> >
> > nextpoly.GetPointIds().DeepCopy(segments)
> >
> > cells.InsertNextCell(nextpoly)
> >
> > filename = os.path.normcase("C:\temp\rifts_gmt.txt")
> >
> > f = open(filename)
> >
> > pdo = self.GetPolyDataOutput()
> >
> > pts = vtk.vtkPoints()
> >
> > #an array for the fault information
> >
> > segmentNames = vtk.vtkStringArray()
> >
> > segmentNames.SetName("Fault Information")
> >
> > segmentNames.SetNumberOfComponents(1)
> >
> > cells = vtk.vtkCellArray()
> >
> > segments = vtk.vtkIdList()
> >
> > #traverse file
> >
> > for line in f:
> >
> > if line.startswith(">"):
> >
> > #when you find a new fault
> >
> > #save the one you just finished
> >
> > if segments.GetNumberOfIds() != 0:
> >
> > insertNextCell()
> >
> > segments = vtk.vtkIdList()
> >
> > segmentNames.InsertNextValue(line)
> >
> > else:
> >
> > #otherwise just keep remembering coordinates
> >
> > x,y = [float(n) for n in line.strip().split()[:2]]
> >
> > id = pts.InsertNextPoint(x,y,0)
> >
> > segments.InsertNextId(id)
> >
> > f.close()
> >
> > if segments.GetNumberOfIds()>0:
> >
> > #don't forget the last fault in progress
> >
> > insertNextCell()
> >
> > pdo.SetPoints(pts)
> >
> > pdo.SetLines(cells)
> >
> > pdo.GetCellData().AddArray(segmentNames)
> >
> > - this runs as a programmable source but only gives an error:
> >
> > Traceback (most recent call last):
> >
> > File "<string>", line 24, in <module>
> >
> > File "<string>", line 11, in RequestData
> >
> > IOError: [Errno 22] invalid mode ('r') or filename:
> 'c:\temp\rifts_gmt.txt'
> >
> > .
> >
> > I am working on Windows 7.
> >
> > Any ideas?
> >
> > Cheers
> >
> > Lester
> >
> >
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> >
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> >
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> >
> >
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>
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>
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-- 
Robert Maynard
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