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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from vtkmodules.vtkFiltersCore import vtkContourFilter
from vtkmodules.vtkFiltersModeling import vtkOutlineFilter
from vtkmodules.vtkIOImage import vtkSLCReader
from vtkmodules.vtkImagingCore import (
vtkImageCast,
vtkImageClip,
)
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkPolyDataMapper,
vtkRenderWindow,
vtkRenderWindowInteractor,
vtkRenderer,
)
import vtkmodules.vtkInteractionStyle
import vtkmodules.vtkRenderingFreeType
import vtkmodules.vtkRenderingOpenGL2
import vtkmodules.test.Testing
from vtkmodules.util.misc import vtkGetDataRoot
VTK_DATA_ROOT = vtkGetDataRoot()
class contour2DAll(vtkmodules.test.Testing.vtkTest):
def testContour2DAll(self):
# Create the RenderWindow, Renderer and both Actors
#
ren = vtkRenderer()
renWin = vtkRenderWindow()
renWin.SetMultiSamples(0)
renWin.AddRenderer(ren)
# create pipeline
#
slc = vtkSLCReader()
slc.SetFileName(VTK_DATA_ROOT + "/Data/nut.slc")
slc.Update()
types = ["Char", "UnsignedChar", "Short", "UnsignedShort", "Int", "UnsignedInt", "Long", "UnsignedLong", "Float", "Double"]
i = 3
clip = list()
cast = list()
iso = list()
mapper = list()
actor = list()
for idx, vtkType in enumerate(types):
clip.append(vtkImageClip())
clip[idx].SetInputConnection(slc.GetOutputPort())
clip[idx].SetOutputWholeExtent(-1000, 1000, -1000, 1000, i, i)
i += 2
cast.append(vtkImageCast())
eval("cast[idx].SetOutputScalarTypeTo" + vtkType)
cast[idx].SetInputConnection(clip[idx].GetOutputPort())
cast[idx].ClampOverflowOn()
iso.append(vtkContourFilter())
iso[idx] = vtkContourFilter()
iso[idx].SetInputConnection(cast[idx].GetOutputPort())
iso[idx].GenerateValues(1, 30, 30)
mapper.append(vtkPolyDataMapper())
mapper[idx].SetInputConnection(iso[idx].GetOutputPort())
mapper[idx].SetColorModeToMapScalars()
actor.append(vtkActor())
actor[idx].SetMapper(mapper[idx])
ren.AddActor(actor[idx])
outline = vtkOutlineFilter()
outline.SetInputConnection(slc.GetOutputPort())
outlineMapper = vtkPolyDataMapper()
outlineMapper.SetInputConnection(outline.GetOutputPort())
outlineActor = vtkActor()
outlineActor.SetMapper(outlineMapper)
outlineActor.VisibilityOff()
#
# Add the actors to the renderer, set the background and size
#
ren.AddActor(outlineActor)
ren.ResetCamera()
ren.GetActiveCamera().SetViewAngle(30)
ren.GetActiveCamera().Elevation(20)
ren.GetActiveCamera().Azimuth(20)
ren.GetActiveCamera().Zoom(1.5)
ren.ResetCameraClippingRange()
ren.SetBackground(0.9, .9, .9)
renWin.SetSize(200, 200)
# render and interact with data
iRen = vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin);
renWin.Render()
img_file = "contour2DAll.png"
vtkmodules.test.Testing.compareImage(iRen.GetRenderWindow(), vtkmodules.test.Testing.getAbsImagePath(img_file))
vtkmodules.test.Testing.interact()
if __name__ == "__main__":
vtkmodules.test.Testing.main([(contour2DAll, 'test')])
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