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#!/usr/bin/env python
from vtkmodules.vtkCommonCore import vtkMath
from vtkmodules.vtkFiltersGeometry import vtkStructuredGridGeometryFilter
from vtkmodules.vtkIOParallel import vtkMultiBlockPLOT3DReader
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkActor2D,
vtkCamera,
vtkLight,
vtkPolyDataMapper,
vtkRenderWindow,
vtkRenderWindowInteractor,
vtkRenderer,
vtkTextMapper,
vtkTextProperty,
)
import vtkmodules.vtkInteractionStyle
import vtkmodules.vtkRenderingFreeType
import vtkmodules.vtkRenderingOpenGL2
from vtkmodules.util.misc import vtkGetDataRoot
VTK_DATA_ROOT = vtkGetDataRoot()
#
# All Plot3D scalar functions
#
# Create the RenderWindow, Renderer and both Actors
#
renWin = vtkRenderWindow()
iren = vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
scalarLabels = ["Density", "Pressure", "Temperature", "Enthalpy",
"Internal_Energy", "Kinetic_Energy", "Velocity_Magnitude",
"Stagnation_Energy", "Entropy", "Swirl"]
scalarFunctions = ["100", "110", "120", "130",
"140", "144", "153",
"163", "170", "184"]
camera = vtkCamera()
light = vtkLight()
math = vtkMath()
# All text actors will share the same text prop
textProp = vtkTextProperty()
textProp.SetFontSize(10)
textProp.SetFontFamilyToArial()
textProp.SetColor(0, 0, 0)
i = 0
for scalarFunction in scalarFunctions:
exec("pl3d" + scalarFunction + " = vtkMultiBlockPLOT3DReader()")
eval("pl3d" + scalarFunction).SetXYZFileName(
VTK_DATA_ROOT + "/Data/bluntfinxyz.bin")
eval("pl3d" + scalarFunction).SetQFileName(
VTK_DATA_ROOT + "/Data/bluntfinq.bin")
eval("pl3d" + scalarFunction).SetScalarFunctionNumber(int(scalarFunction))
eval("pl3d" + scalarFunction).Update()
output = eval("pl3d" + scalarFunction).GetOutput().GetBlock(0)
exec("plane" + scalarFunction + " = vtkStructuredGridGeometryFilter()")
eval("plane" + scalarFunction).SetInputData(output)
eval("plane" + scalarFunction).SetExtent(25, 25, 0, 100, 0, 100)
exec("mapper" + scalarFunction + " = vtkPolyDataMapper()")
eval("mapper" + scalarFunction).SetInputConnection(
eval("plane" + scalarFunction).GetOutputPort())
eval("mapper" + scalarFunction).SetScalarRange(
output.GetPointData().GetScalars().GetRange())
exec("actor" + scalarFunction + " = vtkActor()")
eval("actor" + scalarFunction).SetMapper(eval("mapper" + scalarFunction))
exec("ren" + scalarFunction + " = vtkRenderer()")
eval("ren" + scalarFunction).SetBackground(0, 0, .5)
eval("ren" + scalarFunction).SetActiveCamera(camera)
eval("ren" + scalarFunction).AddLight(light)
renWin.AddRenderer(eval("ren" + scalarFunction))
eval("ren" + scalarFunction).SetBackground(
math.Random(.5, 1), math.Random(.5, 1), math.Random(.5, 1))
eval("ren" + scalarFunction).AddActor(eval("actor" + scalarFunction))
exec("textMapper" + scalarFunction + " = vtkTextMapper()")
eval("textMapper" + scalarFunction).SetInput(scalarLabels[i])
eval("textMapper" + scalarFunction).SetTextProperty(textProp)
# exec("text" + scalarFunction + " = vtkActor2D()")
# eval("text" + scalarFunction).SetMapper(eval("textMapper" + scalarFunction))
# eval("text" + scalarFunction).SetPosition(2, 3)
#
# eval("ren" + scalarFunction).AddActor2D(eval("text" + scalarFunction))
i += 1
#
# now layout the renderers
column = 1
row = 1
deltaX = 1.0 / 5.0
deltaY = 1.0 / 2.0
for scalarFunction in scalarFunctions:
eval("ren" + scalarFunction).SetViewport(
(column - 1) * deltaX, (row - 1) * deltaY, column * deltaX, row * deltaY)
column += 1
if (column > 5):
column = 1
row += 1
camera.SetViewUp(0, 1, 0)
camera.SetFocalPoint(0, 0, 0)
camera.SetPosition(1, 0, 0)
ren100.ResetCamera()
camera.Dolly(1.25)
ren100.ResetCameraClippingRange()
ren110.ResetCameraClippingRange()
ren120.ResetCameraClippingRange()
ren130.ResetCameraClippingRange()
ren140.ResetCameraClippingRange()
ren144.ResetCameraClippingRange()
ren153.ResetCameraClippingRange()
ren163.ResetCameraClippingRange()
ren170.ResetCameraClippingRange()
ren184.ResetCameraClippingRange()
light.SetPosition(camera.GetPosition())
light.SetFocalPoint(camera.GetFocalPoint())
renWin.SetSize(600, 180)
renWin.Render()
# render the image
#
iren.Initialize()
# iren.Start()
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