import os,sys
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from . import trisurf
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if sys.version_info<(3,0):
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from vtk import *
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class Renderer:
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def __init__(self,args,host):
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self.host=host
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self.args=args
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self.renderer = vtkRenderer()
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self.actor=self.lastActor()
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self.renderer.AddActor(self.actor)
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self.renderer.SetBackground(0, 0, 0) # Set background to white
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# Create the RendererWindow
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self.renderer_window = vtkRenderWindow()
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self.renderer_window.AddRenderer(self.renderer)
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# Set up a check for aborting rendering.
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# Create the RendererWindowInteractor and display the vtk_file
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interactor = vtkRenderWindowInteractor()
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interactor.SetRenderWindow(self.renderer_window)
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interactor.Initialize()
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interactor.AddObserver("TimerEvent", self.RenderUpdate)
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timerIDR = interactor.CreateRepeatingTimer(1000)
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interactor.Start()
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return
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def lastVTU(self):
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Dir=trisurf.Directory(maindir=self.host['runs'][0].maindir,simdir=self.host['runs'][0].subdir)
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filename=os.path.join("./",Dir.fullpath(),self.host['runs'][0].getLastVTU())
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return filename
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def lastActor(self):
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self.filename=self.lastVTU()
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reader=vtkXMLUnstructuredGridReader()
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reader.SetFileName(self.filename)
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reader.Update() # Needed because of GetScalarRange
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output = reader.GetOutput()
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scalar_range = output.GetScalarRange()
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mapper = vtkDataSetMapper()
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mapper.SetInput(output)
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mapper.SetScalarRange(scalar_range)
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# Create the Actor
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actor = vtkActor()
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actor.SetMapper(mapper)
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return actor
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def RenderUpdate(self, obj, event):
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if(self.lastVTU()!=self.filename):
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print("updejt")
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self.renderer.RemoveActor(self.actor)
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self.actor=self.lastActor()
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self.renderer.AddActor(self.actor)
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self.renderer_window.Render()
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#self.render.RemoveActor(self.actor)
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return
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