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| | | |
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| | | class Renderer: |
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| | | def __init__(self,args,host,run): |
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| | | def __init__(self,args,host,run, timestep=-1, scalar_field='vertices_idx'): |
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| | | self.host=host |
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| | | self.args=args |
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| | | self.run=run |
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| | | self.timestep=timestep |
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| | | self.scalar_field=scalar_field |
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| | | self.renderer = vtkRenderer() |
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| | | self.actor=self.lastActor() |
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| | | self.textactor=self.textActor() |
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| | | self.renderer.AddActor(self.actor) |
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| | | self.renderer.AddActor(self.textactor) |
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| | | self.renderer.SetBackground(0, 0, 0) # Set background to white |
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| | | self.renderer.SetBackground(81/255, 87/255, 110/255) # Set background to nicely grey |
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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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| | | self.renderer_window.SetSize(1200,600) |
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| | | self.renderer_window.SetSize(800,800) |
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| | | |
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| | | # self.renderer.SetViewport(0.0,0.0,0.5,1.0) |
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| | | # rend=vtk.vtkRenderer() |
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| | |
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| | | return textactor |
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| | | |
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| | | def lastActor(self): |
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| | | self.filename=self.lastVTU() |
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| | | if(self.timestep<0): |
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| | | self.filename=self.lastVTU() |
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| | | else: |
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| | | self.filename=os.path.join("./",self.run.Dir.fullpath(),'timestep_{:06d}.vtu'.format(self.timestep)) |
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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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| | | output.GetPointData().SetActiveScalars(self.scalar_field) |
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| | | scalar_range = output.GetScalarRange() |
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| | | mapper = vtkDataSetMapper() |
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| | | mapper.SetInputData(output) |
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| | | mapper.SetScalarRange(scalar_range) |
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| | | |
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| | | #color lookuptables |
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| | | #lut = vtk.vtkLookupTable() |
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| | | #lut.SetHueRange(0.5, 0.6) |
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| | | #lut.SetSaturationRange(0, 1) |
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| | | #lut.SetValueRange(0, 1) |
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| | | #mapper.SetLookupTable(lut) |
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| | | |
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| | | #advanced lookuptables... |
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| | | lut = vtk.vtkLookupTable() |
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| | | lutNum = 256 |
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| | | lut.SetNumberOfTableValues(lutNum) |
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| | | ctf = vtk.vtkColorTransferFunction() |
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| | | ctf.SetColorSpaceToDiverging() |
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| | | ctf.AddRGBPoint(0.0, 0.230, 0.299, 0.754) |
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| | | ctf.AddRGBPoint(1.0, 0.706, 0.016, 0.150) |
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| | | for ii,ss in enumerate([float(xx)/float(lutNum) for xx in range(lutNum)]): |
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| | | cc = ctf.GetColor(ss) |
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| | | lut.SetTableValue(ii,cc[0],cc[1],cc[2],1.0) |
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| | | mapper.SetLookupTable(lut) |
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| | | # Create the Actor |
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| | | actor = vtkActor() |
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| | | actor.SetMapper(mapper) |
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