ParaView/Automation with Python
From PHASTA Wiki
1. Extract surface using paraview, the code will look like
from paraview.simple import *
#========== read in data file
print 'Read phasta file'
dataObj = PhastaReader( FileName= 'restart_one.pht' )
SRF = ExtractSurface(Input=dataObj)
MGBLK1 = MergeBlocks(Input=SRF)
vtkWriter = DataSetWriter(FileName = 'Surface.vtk' , Input = MGBLK1, FileType = 1)
vtkWriter.UpdatePipeline()