[Paraview] Plot over line CSV export python script not working

Andy Bauer andy.bauer at kitware.com
Thu Sep 29 09:57:38 EDT 2011

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If you're running the python script in the paraview gui sometimes the
messages are printed out to the python shell.  What version of paraview are
you using?

I'm running paraview from the head of the repo.  The output I get from the
OutputMessages window is:
================

ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 ERROR: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
line 727

vtkPVCompositeDataPipeline (0x493bbd0): Input port 1 of algorithm
vtkPProbeFilter(0x493dab0) has 0 connections but is not optional.

 Warning: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDataObject.cxx, line
920

vtkMultiBlockDataSet (0x4da0e00): Attempted to ShallowCopy from null.

 Warning: In
/home/acbauer/CODE/ParaView/ParaView/VTK/Filtering/vtkDataObject.cxx, line
920

vtkMultiBlockDataSet (0x4da3af0): Attempted to ShallowCopy from null.

 ================

The output I get from the python shell is:
===============

Traceback (most recent call last):

File "<string>", line 17, in <module>

File
"/media/ssddrive/BUILDS/ParaView/release-parallel/Utilities/VTKPythonWrapping/site-packages/paraview/servermanager.py",
line 209, in __setattr__

"to add this attribute.")

AttributeError: Attribute XArrayName does not exist. This class does not
allow addition of new attributes to avoid mistakes due to typos. Use
add_attribute() if you really want to add this attribute.

======================

On Thu, Sep 29, 2011 at 5:57 AM, Luca Giannelli <bilogo at gmail.com> wrote:

> Hello everybody,
>
> I've been using Paraview for quite a long time but I didn't need the python
> scripting up to now.
> I want to execute a series of plot over line in numerous points and
> different time steps so it is nothing
> I can afford to do manually.
> Looking on the net I was able to find out how to record a macro and how to
> create a writer so I
> ended up with this script:
>
> --------------------------------------------------------------------
> try: paraview.simple
> except: from paraview.simple import *
> paraview.simple._DisableFirstRenderCameraReset()
>
> fotobioreattore_foam = GetActiveSource()
> PlotOverLine2 = PlotOverLine( Source="High Resolution Line Source" )
>
> PlotOverLine2.Source.Point1 = [-0.035100001841783524, -0.03509980067610741,
> 0.0]
> PlotOverLine2.Source.Point2 = [0.035100001841783524, 0.035100001841783524,
> 0.4300000071525574]
>
> DataRepresentation7 = Show()
>
> PlotOverLine2.Source.Point1 = [-0.0, 0.0, 0.0]
> PlotOverLine2.Source.Point2 = [0.0, 0.0, 0.4300000071525574]
>
> XYChartView4 = GetRenderView()
> DataRepresentation7.XArrayName = 'arc_length'
> DataRepresentation7.SeriesVisibility = ['U (0)', '0', 'U (1)', '0', 'U
> (2)', '0', 'vtkValidPointMask', '0', 'arc_length', '0', 'Points (0)', '0',
> 'Points (1)', '0', 'Points (2)', '0', 'Points (Magnitude)', '0']
> DataRepresentation7.UseIndexForXAxis = 0
>
> Render()
>
> #= create writer
> source = PlotOverLine2 #PlotOverLine2.Source
> writer = CreateWriter("/home/piota/csv.csv", source)
> #writer = CreateWriter("/home/piota/csv.csv")
> writer.FieldAssociation = "Points" # or "Cells"
> writer.UpdatePipeline()
> del writer
> --------------------------------------------------------------------------
>
> If I'm not mistaken, this should write a csv.csv file in my home folder but
> it doesn't write anything. No error is reported when I run the script but
> still I get no output.
> I'm still a bit confused on which source I should specify, so I'm pretty
> sure that the writer part is incorrect.
>
> Can somebody help me filling it out properly?
>
> Thx in advance.
>
> Luca
>
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