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from paraview.simple import *
from paraview import coprocessing
#--------------------------------------------------------------
# Code generated from cpstate.py to create the CoProcessor.
# ParaView 4.2.0-RC1-22-g9ca4e44 64 bits
# ----------------------- CoProcessor definition -----------------------
def CreateCoProcessor():
def _CreatePipeline(coprocessor, datadescription):
class Pipeline:
# state file generated using paraview version 4.2.0-RC1-22-g9ca4e44
# ----------------------------------------------------------------
# setup the data processing pipelines
# ----------------------------------------------------------------
#### disable automatic camera reset on 'Show'
paraview.simple._DisableFirstRenderCameraReset()
# create a new 'XML Partitioned Unstructured Grid Reader'
# create a producer from a simulation input
outputcp_98pvtu = coprocessor.CreateProducer(datadescription, 'input')
# create a new 'Programmable Filter'
programmableFilter1 = ProgrammableFilter(Input=outputcp_98pvtu)
programmableFilter1.Script = 'pdi = self.GetInput()\nnumPts = pdi.GetNumberOfPoints()\nca = vtk.vtkFloatArray()\nca.SetName("dogs")\nca.SetNumberOfComponents(1)\nca.SetNumberOfTuples(numPts)\nfor i in range(numPts):\n ca.SetValue(i, 100)\n\nido = self.GetOutput()\nido.GetPointData().AddArray(ca)'
programmableFilter1.RequestInformationScript = ''
programmableFilter1.RequestUpdateExtentScript = ''
programmableFilter1.PythonPath = ''
# create a new 'Parallel UnstructuredGrid Writer'
#parallelUnstructuredGridWriter1 = servermanager.writers.XMLPUnstructuredGridWriter(Input=programmableFilter1)
# register the writer with coprocessor
# and provide it with information such as the filename to use,
# how frequently to write the data, etc.
#coprocessor.RegisterWriter(parallelUnstructuredGridWriter1, filename='cppf_%t.pvtu', freq=10)
return Pipeline()
class CoProcessor(coprocessing.CoProcessor):
def CreatePipeline(self, datadescription):
self.Pipeline = _CreatePipeline(self, datadescription)
coprocessor = CoProcessor()
# these are the frequencies at which the coprocessor updates.
freqs = {'input': [10]}
coprocessor.SetUpdateFrequencies(freqs)
return coprocessor
#--------------------------------------------------------------
# Global variables that will hold the pipeline for each timestep
# Creating the CoProcessor object, doesn't actually create the ParaView pipeline.
# It will be automatically setup when coprocessor.UpdateProducers() is called the
# first time.
coprocessor = CreateCoProcessor()
#--------------------------------------------------------------
# Enable Live-Visualizaton with ParaView
coprocessor.EnableLiveVisualization(False, 1)
# ---------------------- Data Selection method ----------------------
def RequestDataDescription(datadescription):
"Callback to populate the request for current timestep"
global coprocessor
if datadescription.GetForceOutput() == True:
# We are just going to request all fields and meshes from the simulation
# code/adaptor.
for i in range(datadescription.GetNumberOfInputDescriptions()):
datadescription.GetInputDescription(i).AllFieldsOn()
datadescription.GetInputDescription(i).GenerateMeshOn()
return
# setup requests for all inputs based on the requirements of the
# pipeline.
coprocessor.LoadRequestedData(datadescription)
# ------------------------ Processing method ------------------------
def DoCoProcessing(datadescription):
"Callback to do co-processing for current timestep"
global coprocessor
# Update the coprocessor by providing it the newly generated simulation data.
# If the pipeline hasn't been setup yet, this will setup the pipeline.
coprocessor.UpdateProducers(datadescription)
# Write output data, if appropriate.
coprocessor.WriteData(datadescription);
# Write image capture (Last arg: rescale lookup table), if appropriate.
coprocessor.WriteImages(datadescription, rescale_lookuptable=False)
# Live Visualization, if enabled.
coprocessor.DoLiveVisualization(datadescription, "localhost", 22222)
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