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#!/usr/bin/env python
from vtkmodules.vtkFiltersGeometry import vtkGeometryFilter
from vtkmodules.vtkIOGeometry import vtkFLUENTReader
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkCompositePolyDataMapper,
vtkRenderWindow,
vtkRenderWindowInteractor,
vtkRenderer,
)
import vtkmodules.vtkInteractionStyle
import vtkmodules.vtkRenderingFreeType
import vtkmodules.vtkRenderingOpenGL2
from vtkmodules.util.misc import vtkGetDataRoot
VTK_DATA_ROOT = vtkGetDataRoot()
# Read some Fluent UCD data in ASCII form
r = vtkFLUENTReader()
r.SetFileName(VTK_DATA_ROOT + "/Data/room.cas")
r.EnableAllCellArrays()
g = vtkGeometryFilter()
g.SetInputConnection(r.GetOutputPort())
FluentMapper = vtkCompositePolyDataMapper()
FluentMapper.SetInputConnection(g.GetOutputPort())
FluentMapper.SetScalarModeToUseCellFieldData()
FluentMapper.SelectColorArray("PRESSURE")
FluentMapper.SetScalarRange(-31, 44)
FluentActor = vtkActor()
FluentActor.SetMapper(FluentMapper)
ren1 = vtkRenderer()
renWin = vtkRenderWindow()
renWin.AddRenderer(ren1)
iren = vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Add the actors to the renderer, set the background and size
#
ren1.AddActor(FluentActor)
renWin.SetSize(300,300)
renWin.Render()
ren1.ResetCamera()
ren1.GetActiveCamera().SetPosition(2, 2, 11)
ren1.GetActiveCamera().SetFocalPoint(2, 2, 0)
ren1.GetActiveCamera().SetViewUp(0, 1, 0)
ren1.GetActiveCamera().SetViewAngle(30)
ren1.ResetCameraClippingRange()
iren.Initialize()
# --- end of script --
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