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try: paraview.simple
except: from paraview.simple import *
from paraview import coprocessing
import sys
# ----------------------- CoProcessor definition -----------------------
def CreateCoProcessor():
def _CreatePipeline(coprocessor, datadescription):
class Pipeline:
#### disable automatic camera reset on 'Show'
paraview.simple._DisableFirstRenderCameraReset()
# Create a new 'Render View'
renderView1 = CreateView('RenderView')
renderView1.ViewSize = [441, 1029]
renderView1.InteractionMode = '2D'
renderView1.CenterOfRotation = [0.5, 0.5, 0.0]
renderView1.CameraPosition = [0.6346870059402945, 1.580702880997128, 10000.0]
renderView1.CameraFocalPoint = [0.6346870059402945, 1.580702880997128, 0.0]
renderView1.CameraParallelScale = 1.649915822768611
renderView1.Background = [0.32, 0.34, 0.43]
# register the view with coprocessor
# and provide it with information such as the filename to use,
# how frequently to write the images, etc.
coprocessor.RegisterView(renderView1,
filename='results/image_%t.png', freq=1, fittoscreen=1, magnification=1, width=400, height=400)
# ----------------------------------------------------------------
# setup the data processing pipelines
# ----------------------------------------------------------------
Source = coprocessor.CreateProducer( datadescription, "input" )
threshold1 = Threshold( Source )
threshold1.Scalars = ['POINTS', 'Pressure']
threshold1.LowerThreshold = 0.0
threshold1.UpperThreshold = 0.5
threshold1.ThresholdMethod = "Between"
# ----------------------------------------------------------------
# setup color maps and opacity mapes used in the visualization
# note: the Get..() functions create a new object, if needed
# ----------------------------------------------------------------
# get color transfer function/color map for 'Pressure'
pressureLUT = GetColorTransferFunction('Pressure')
pressureLUT.RGBPoints = [0.0, 0.231373, 0.298039, 0.752941, 0.10473327284884701, 0.865003, 0.865003, 0.865003, 0.20946654569769402, 0.705882, 0.0156863, 0.14902]
pressureLUT.ScalarRangeInitialized = 1.0
# get opacity transfer function/opacity map for 'Pressure'
pressurePWF = GetOpacityTransferFunction('Pressure')
pressurePWF.Points = [0.0, 0.0, 0.5, 0.0, 0.20946654569769402, 1.0, 0.5, 0.0]
pressurePWF.ScalarRangeInitialized = 1
# ----------------------------------------------------------------
# setup the visualization in view 'renderView1'
# ----------------------------------------------------------------
# show data from Source
SourceDisplay = Show(Source, renderView1)
# trace defaults for the display properties.
SourceDisplay.ColorArrayName = ['POINTS', 'Pressure']
SourceDisplay.LookupTable = pressureLUT
SourceDisplay.ScalarOpacityUnitDistance = 0.2349792427843548
# show color legend
SourceDisplay.SetScalarBarVisibility(renderView1, True)
# setup the color legend parameters for each legend in this view
# get color legend/bar for pressureLUT in view renderView1
pressureLUTColorBar = GetScalarBar(pressureLUT, renderView1)
pressureLUTColorBar.Title = 'Pressure'
pressureLUTColorBar.ComponentTitle = ''
return Pipeline()
class CoProcessor(coprocessing.CoProcessor):
def CreatePipeline(self, datadescription):
self.Pipeline = _CreatePipeline(self, datadescription)
coprocessor = CoProcessor()
freqs = {'input': [1]}
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(True)
# ---------------------- 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
timestep = datadescription.GetTimeStep()
print "Timestep:", timestep, "Time:", datadescription.GetTime()
# 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)
coprocessor.WriteData(datadescription)
coprocessor.WriteImages(datadescription)
coprocessor.DoLiveVisualization(datadescription,"localhost",22222)
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