[Paraview] VTK Writer

[Luis Martinez]

Hi all,

I have a pvbatch script that worked in version 3.12. It uses plot over line and writes out CSV data.  Now I get the following error in version 3.14:

Is this a bug or am I supposed to call the writer differently in 3.14?

Thanks!

Tony



ERROR: In /build/buildd/paraview-3.14.1/ParaViewCore/ServerManager/vtkSMWriterFactory.cxx, line 374
vtkSMWriterFactory (0x17ee360): No matching writer found for extension: csv

Traceback (most recent call last):
  File "wakeProfilesAllTurbines.py", line 65, in <module>
    writer.FieldAssociation = "Points"
AttributeError: 'NoneType' object has no attribute 'FieldAssociation'




Here is the script Im using:



try: paraview.simple
except: from paraview.simple import *
paraview.simple._DisableFirstRenderCameraReset()
import os
import math
import matplotlib as mpl
mpl.use('Agg')
import matplotlib.pyplot as plt
import csv
from scipy.integrate import trapz
# Current location
directory=os.getcwd()
if not os.path.exists('./wakeProfiles/plots/'):
    os.makedirs('./wakeProfiles/plots/')
# Rotor Diameter
D=93
width=D*1.5
profiles=[0.125,0.25,0.5,0.75,1,2,3,4]
layout=open('./layout.dat')
Umean_slice_0_vtk = LegacyVTKReader( FileNames=[directory+'/../ADM/sliceDataADM/12746.8908019/Umean_slice_0.vtk'] )
Umean_slice_1_vtk = LegacyVTKReader( FileNames=[directory+'/../ALM/sliceDataALM/12771/Umean_slice_0.vtk'] )
SetActiveSource(Umean_slice_0_vtk)
CellDatatoPointData1 = CellDatatoPointData()
SetActiveSource(CellDatatoPointData1)
Calculator1 = Calculator()
Calculator1.AttributeMode = 'point_data'
Calculator1.Function = 'Umean_X*cos(0.84444265) + Umean_Y*sin(0.84444265)'
Calculator1.ResultArrayName = 'U_row'
SetActiveSource(Umean_slice_1_vtk)
CellDatatoPointData2 = CellDatatoPointData()
SetActiveSource(CellDatatoPointData2)
Calculator2 = Calculator()
Calculator2.AttributeMode = 'point_data'
Calculator2.Function = 'Umean_X*cos(0.84444265) + Umean_Y*sin(0.84444265)'
Calculator2.ResultArrayName = 'U_row'
for i, turbine in enumerate(layout):
    for profile in profiles:
        SetActiveSource(Calculator1)
        PlotOverLine1 = PlotOverLine( Source="High Resolution Line Source" )
        PlotOverLine1.Source.Resolution = 100        
        alpha0=0.84444265-math.atan((width/2)/(profile*D))
        alpha1=0.84444265+math.atan((width/2)/(profile*D))
        L=math.sqrt((D*profile)**2+(width/2)**2)
        x0=float(turbine.split()[0])+L*math.cos(alpha0)
        y0=float(turbine.split()[1])+L*math.sin(alpha0)
        x1=float(turbine.split()[0])+L*math.cos(alpha1)
        y1=float(turbine.split()[1])+L*math.sin(alpha1)
        PlotOverLine1.Source.Point1 = [x0, y0, 65.0]
        PlotOverLine1.Source.Point2 = [x1, y1, 65.0]
        if not os.path.exists('./wakeProfiles/'+str(profile)):
            os.makedirs('./wakeProfiles/'+str(profile))
        if not os.path.exists('./wakeProfiles/plots/'+str(profile)):
            os.makedirs('./wakeProfiles/plots/'+str(profile))
        nameADM=directory+'/wakeProfiles/'+str(profile)+'/ADM'+'turbine'+str(i+1)+'.csv'
        writer = CreateWriter(nameADM, PlotOverLine1)
        writer.FieldAssociation = "Points"
        writer.UpdatePipeline()
        del writer
        SetActiveSource(Calculator2)
        PlotOverLine2 = PlotOverLine( Source="High Resolution Line Source" )
        PlotOverLine2.Source.Resolution = 100        
        PlotOverLine2.Source.Point1 = [x0, y0, 65.0]
        PlotOverLine2.Source.Point2 = [x1, y1, 65.0]
        nameALM=directory+'/wakeProfiles/'+str(profile)+'/ALM'+'turbine'+str(i+1)+'.csv'
        writer = CreateWriter(nameALM, PlotOverLine2)
        writer.FieldAssociation = "Points"
        writer.UpdatePipeline()
        del writer
        csvreader1 = csv.reader(open(nameADM,'rb'))
        csvreader2 = csv.reader(open(nameALM,'rb'))
        x,y,x1,y1=[],[],[],[]
        for j, line in enumerate(csvreader1):
            if j>0:
                x.append((float(line[5])-width/2)/D)
                y.append(float(line[0]))
        for j, line in enumerate(csvreader2):
            if j>0:
                x1.append((float(line[5])-width/2)/D)
                y1.append(float(line[0]))      
        plt.plot(x,y,'-',label='ADM',color='black')
        plt.plot(x1,y1,'--',label='ALM',color='black')
        plt.xlabel('Distance')
        plt.ylabel(r'$U$ (m/s)')
        plt.legend(loc='best')
        plt.ylim([2,10])
        plt.savefig('./wakeProfiles/plots/'+str(profile)+'/turbine'+str(i+1)+'.eps')
        plt.savefig('./wakeProfiles/plots/'+str(profile)+'/turbine'+str(i+1)+'.png')
        plt.clf()
        del x,y,x1,y1,csvreader1,csvreader2



 		 	   		  
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