Python Testing.getAbsImagePath方法代码示例

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
  def testThreshold(self):
    global args
    writefiles = "SaveData" in args

    renderer = vtk.vtkRenderer()
    renwin = vtk.vtkRenderWindow()
    renwin.AddRenderer(renderer)
    iren = vtk.vtkRenderWindowInteractor()
    iren.SetRenderWindow(renwin)
    renwin.Render()

    if "GPURender" in args:
        vtk.vtkPistonMapper.InitCUDAGL(renwin)

    src = vtk.vtkImageMandelbrotSource()
    src.SetWholeExtent(0,10,0,10,0,10)

    #scale and bias until piston's threshold understands origin and spacing
    src.Update()
    inputdata = src.GetOutput()
    if "Normalize" in args:
         testdata1 = inputdata.NewInstance()
         testdata1.ShallowCopy(inputdata)
         testdata1.SetSpacing(1,1,1)
         testdata1.SetOrigin(0,0,0)
         inputdata = testdata1

    d2p = vtk.vtkDataSetToPiston()
    d2p.SetInputData(inputdata)
    #d2p.SetInputConnection(src.GetOutputPort())

    threshF = vtk.vtkPistonThreshold()
    threshF.SetInputConnection(d2p.GetOutputPort())
    threshF.SetMinValue(0)
    threshF.SetMaxValue(80)

    p2d = vtk.vtkPistonToDataSet()
    p2d.SetInputConnection(threshF.GetOutputPort())
    p2d.SetOutputDataSetType(vtk.VTK_POLY_DATA)

    if writefiles:
        writeFile(p2d, "piston_threshold.vtk")

    mapper = vtk.vtkPistonMapper()
    mapper.SetInputConnection(threshF.GetOutputPort())
    mapper.Update()

    actor = vtk.vtkActor()
    actor.SetMapper(mapper)

    renderer.AddActor(actor)

    renderer.ResetCamera()
    renwin.Render()

    img_file = "TestThreshold.png"
    Testing.compareImage(renwin, Testing.getAbsImagePath(img_file))

    if Testing.isInteractive():
        iren.Start()

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
 def testvtkTkRenderWidget(self):
     "Test if vtkTkRenderWidget works."
     self.rw.Render()
     self.root.update()
     img_file = "TestTkRenderWidget.png"
     Testing.compareImage(self.rw, Testing.getAbsImagePath(img_file))
     Testing.interact()

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
    def testImportExport(self):
        "Testing if images can be imported to and from numeric arrays."
        imp = vtkImageImportFromArray()
        exp = vtkImageExportToArray()
        idiff = vtk.vtkImageDifference()        

        img_dir = Testing.getAbsImagePath("")
        for i in glob.glob(os.path.join(img_dir, "*.png")):
            # Putting the reader outside the loop causes bad problems.
            reader = vtk.vtkPNGReader()            
            reader.SetFileName(i)
            reader.Update()

            # convert the image to a Numeric Array and convert it back
            # to an image data.            
            exp.SetInputConnection(reader.GetOutputPort())
            imp.SetArray(exp.GetArray())

            # ensure there is no difference between orig image and the
            # one we converted and un-converted.            
            idiff.SetInputConnection(imp.GetOutputPort())
            idiff.SetImage(reader.GetOutput())
            idiff.Update()
            err = idiff.GetThresholdedError()

            msg = "Test failed on image %s, with threshold "\
                  "error: %d"%(i, err)
            self.assertEqual(err, 0.0, msg)

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
 def testvtkTkRenderWindowInteractor(self):
     "Test if vtkTkRenderWindowInteractor works."
     self.tkrw.Start()
     self.tkrw.Render()
     self.root.update()
     img_file = "TestTkRenderWindowInteractor.png"
     Testing.compareImage(self.rw, Testing.getAbsImagePath(img_file))
     Testing.interact()

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
    def testGlyphs(self):
        '''Test if the glyphs are created nicely.'''
        reader = vtk.vtkDataSetReader()

        data_file = os.path.join(Testing.VTK_DATA_ROOT, "Data", "tensors.vtk")

        reader.SetFileName(data_file)

        g1 = SimpleGlyph(reader)
        g1.glyph.ColorGlyphsOff()
        g1.Update()

        g2 = SimpleGlyph(reader)
        g2.glyph.ExtractEigenvaluesOff()
        g2.Update()
        g2.SetPosition((2.0, 0.0, 0.0))

        g3 = SimpleGlyph(reader)
        g3.glyph.SetColorModeToEigenvalues()
        g3.glyph.ThreeGlyphsOn()
        g3.Update()
        g3.SetPosition((0.0, 2.0, 0.0))

        g4 = SimpleGlyph(reader)
        g4.glyph.SetColorModeToEigenvalues()
        g4.glyph.ThreeGlyphsOn()
        g4.glyph.SymmetricOn()
        g4.Update()
        g4.SetPosition((2.0, 2.0, 0.0))

        # 6Components symetric tensor
        g5 = SimpleGlyph(reader)
        g5.glyph.SetInputArrayToProcess(0, 0, 0, 0, "symTensors1")
        g5.SetPosition((4.0, 2.0, 0.0))
        g5.Update()

        ren = vtk.vtkRenderer()
        for i in (g1, g2, g3, g4, g5):
            for j in i.GetActors():
                ren.AddActor(j)

        ren.ResetCamera();

        cam = ren.GetActiveCamera()
        cam.Azimuth(-20)
        cam.Elevation(20)
        cam.Zoom(1.1)

        ren.SetBackground(0.5, 0.5, 0.5)

        renWin = vtk.vtkRenderWindow()
        renWin.AddRenderer(ren)
        renWin.Render()

        img_file = "TestTensorGlyph.png"
        Testing.compareImage(renWin, Testing.getAbsImagePath(img_file))
        Testing.interact()

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
 def DoIt(self):
     self.SetUp()
     self.viewer.Render()
     self.tkrw.Render()
     self.root.update()
     # If you want to interact and use the sliders etc,
     # uncomment the following line.
     # self.root.mainloop()
     img_file = "cursor3D.png"
     Testing.compareImage(self.viewer.GetRenderWindow(), Testing.getAbsImagePath(img_file))

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
 def DoIt(self):
     self.SetUp()
     self.renWin.Render()
     self.tkrw.Render()
     self.root.update()
     # If you want to interact and use the sliders etc,
     # uncomment the following line.
     #self.root.mainloop()
     img_file = "squadViewer.png"
     Testing.compareImage(self.renWin, Testing.getAbsImagePath(img_file))
     Testing.interact()

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
  def testRendering(self):
    global args

    renderer = vtk.vtkRenderer()
    renwin = vtk.vtkRenderWindow()
    renwin.AddRenderer(renderer)
    iren = vtk.vtkRenderWindowInteractor()
    iren.SetRenderWindow(renwin)
    renwin.Render()

    if "GPURender" in args:
        print "Testing GPU direct render path"
        vtk.vtkPistonMapper.InitCUDAGL(renwin)
    else:
        print "Testing CPU indirect render path"

    src = vtk.vtkSphereSource()

    d2p = vtk.vtkDataSetToPiston()
    d2p.SetInputConnection(src.GetOutputPort())

    mapper = vtk.vtkPistonMapper()
    mapper.SetInputConnection(d2p.GetOutputPort())
    mapper.Update() #TODO: shouldn't need this

    actor = vtk.vtkActor()
    actor.SetMapper(mapper)

    renderer.AddActor(actor)

    renderer.ResetCamera()
    renwin.Render()

    img_file = "TestRendering.png"
    Testing.compareImage(renwin, Testing.getAbsImagePath(img_file))

    if Testing.isInteractive():
        iren.Start()

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
    def testRasterEPS(self):
        """Test EPS output when Write3DPropsAsRasterImage is on."""
        # Get a temporary file name.  Set the extension to empty since
        # the exporter appends a suitable extension.
        tmp_eps = tempfile.mktemp('')
        # Write an EPS file.
        exp = vtk.vtkGL2PSExporter()
        exp.SetRenderWindow(self.renWin)
        exp.SetFilePrefix(tmp_eps)
        # Turn off compression so PIL can read file.
        exp.CompressOff() 
        exp.SetSortToOff()
        exp.DrawBackgroundOn()
        exp.Write3DPropsAsRasterImageOn()
        exp.Write()
        # Now read the EPS file using PIL.
        tmp_eps += '.eps'
        im = Image.open(tmp_eps)
        # Get a temporary name for the PNG file.
        tmp_png = tempfile.mktemp('.png')
        im.save(tmp_png)

        # Now read the saved image and compare it for the test.
        png_r = vtk.vtkPNGReader()
        png_r.SetFileName(tmp_png)
        png_r.Update()
        img = png_r.GetOutput()

        # Cleanup.  Do this first because if the test fails, an
        # exception is raised and the temporary files won't be
        # removed.
        self._cleanup([tmp_eps, tmp_png])
        
        img_file = "TestGL2PSExporter.png"
        Testing.compareImageWithSavedImage(img,
                                           Testing.getAbsImagePath(img_file))
        # Interact if necessary.
        Testing.interact()

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]

#.........这里部分代码省略.........
        # **************************************************

        spacing = img_data.GetSpacing()
        sx, sy, sz = spacing

        origin = img_data.GetOrigin()
        ox, oy, oz = origin

        # An outline is shown for context.
        outline = vtk.vtkOutlineFilter()
        outline.SetInput(img_data)

        outlineMapper = vtk.vtkPolyDataMapper()
        outlineMapper.SetInputConnection(outline.GetOutputPort())

        outlineActor = vtk.vtkActor()
        outlineActor.SetMapper(outlineMapper)

        # The shared picker enables us to use 3 planes at one time
        # and gets the picking order right
        picker = vtk.vtkCellPicker()
        picker.SetTolerance(0.005)

        # The 3 image plane widgets are used to probe the dataset.
        planeWidgetX = vtk.vtkImagePlaneWidget()
        planeWidgetX.DisplayTextOn()
        planeWidgetX.SetInput(img_data)
        planeWidgetX.SetPlaneOrientationToXAxes()
        planeWidgetX.SetSliceIndex(32)
        planeWidgetX.SetPicker(picker)
        planeWidgetX.SetKeyPressActivationValue("x")
        prop1 = planeWidgetX.GetPlaneProperty()
        prop1.SetColor(1, 0, 0)

        planeWidgetY = vtk.vtkImagePlaneWidget()
        planeWidgetY.DisplayTextOn()
        planeWidgetY.SetInput(img_data)
        planeWidgetY.SetPlaneOrientationToYAxes()
        planeWidgetY.SetSliceIndex(32)
        planeWidgetY.SetPicker(picker)
        planeWidgetY.SetKeyPressActivationValue("y")
        prop2 = planeWidgetY.GetPlaneProperty()
        prop2.SetColor(1, 1, 0)
        planeWidgetY.SetLookupTable(planeWidgetX.GetLookupTable())

        # for the z-slice, turn off texture interpolation:
        # interpolation is now nearest neighbour, to demonstrate
        # cross-hair cursor snapping to pixel centers
        planeWidgetZ = vtk.vtkImagePlaneWidget()
        planeWidgetZ.DisplayTextOn()
        planeWidgetZ.SetInput(img_data)
        planeWidgetZ.SetPlaneOrientationToZAxes()
        planeWidgetZ.SetSliceIndex(46)
        planeWidgetZ.SetPicker(picker)
        planeWidgetZ.SetKeyPressActivationValue("z")
        prop3 = planeWidgetZ.GetPlaneProperty()
        prop3.SetColor(0, 0, 1)
        planeWidgetZ.SetLookupTable(planeWidgetX.GetLookupTable())

        # Create the RenderWindow and Renderer
        ren = vtk.vtkRenderer()
        renWin = vtk.vtkRenderWindow()
        renWin.AddRenderer(ren)

        # Add the outline actor to the renderer, set the background
        # color and size
        ren.AddActor(outlineActor)
        renWin.SetSize(600, 600)
        ren.SetBackground(0.1, 0.1, 0.2)

        current_widget = planeWidgetZ
        mode_widget = planeWidgetZ

        # Set the interactor for the widgets
        iact = vtk.vtkRenderWindowInteractor()
        iact.SetRenderWindow(renWin)
        planeWidgetX.SetInteractor(iact)
        planeWidgetX.On()
        planeWidgetY.SetInteractor(iact)
        planeWidgetY.On()
        planeWidgetZ.SetInteractor(iact)
        planeWidgetZ.On()

        # Create an initial interesting view
        ren.ResetCamera();
        cam1 = ren.GetActiveCamera()
        cam1.Elevation(110)
        cam1.SetViewUp(0, 0, -1)
        cam1.Azimuth(45)
        ren.ResetCameraClippingRange()

        iact.Initialize()
        renWin.Render()

        # Compare the images and test.
        img_file = "TestImagePlaneWidget.png"
        Testing.compareImage(renWin, Testing.getAbsImagePath(img_file))
        # Interact if necessary.
        if Testing.isInteractive():
            iact.Start()

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]

#.........这里部分代码省略.........
        picker.SetTolerance(0.005)

        # The 3 image plane widgets are used to probe the dataset.
        planeWidgetX = vtk.vtkImagePlaneWidget()
        planeWidgetX.DisplayTextOn()
        planeWidgetX.SetInputData(img_data)
        planeWidgetX.SetPlaneOrientationToXAxes()
        planeWidgetX.SetSliceIndex(32)
        planeWidgetX.SetPicker(picker)
        planeWidgetX.SetKeyPressActivationValue("x")
        prop1 = planeWidgetX.GetPlaneProperty()
        prop1.SetColor(1, 0, 0)

        planeWidgetY = vtk.vtkImagePlaneWidget()
        planeWidgetY.DisplayTextOn()
        planeWidgetY.SetInputData(img_data)
        planeWidgetY.SetPlaneOrientationToYAxes()
        planeWidgetY.SetSliceIndex(32)
        planeWidgetY.SetPicker(picker)
        planeWidgetY.SetKeyPressActivationValue("y")
        prop2 = planeWidgetY.GetPlaneProperty()
        prop2.SetColor(1, 1, 0)
        planeWidgetY.SetLookupTable(planeWidgetX.GetLookupTable())

        # for the z-slice, turn off texture interpolation:
        # interpolation is now nearest neighbour, to demonstrate
        # cross-hair cursor snapping to pixel centers
        planeWidgetZ = vtk.vtkImagePlaneWidget()
        planeWidgetZ.DisplayTextOn()
        planeWidgetZ.SetInputData(img_data)
        planeWidgetZ.SetPlaneOrientationToZAxes()
        planeWidgetZ.SetSliceIndex(46)
        planeWidgetZ.SetPicker(picker)
        planeWidgetZ.SetKeyPressActivationValue("z")
        prop3 = planeWidgetZ.GetPlaneProperty()
        prop3.SetColor(0, 0, 1)
        planeWidgetZ.SetLookupTable(planeWidgetX.GetLookupTable())

        # Now create another actor with an opacity < 1 and with some
        # scalars.
        p = vtk.vtkPolyData()
        pts = vtk.vtkPoints()
        pts.InsertNextPoint((0,0,0))
        sc = vtk.vtkFloatArray()
        sc.InsertNextValue(1.0)
        p.SetPoints(pts)
        p.GetPointData().SetScalars(sc)
        m = vtk.vtkPolyDataMapper()
        m.SetInputData(p)
        # Share the lookup table of the widgets.
        m.SetLookupTable(planeWidgetX.GetLookupTable())
        m.UseLookupTableScalarRangeOn()
        dummyActor = vtk.vtkActor()
        dummyActor.SetMapper(m)
        dummyActor.GetProperty().SetOpacity(0.0)

        # Create the RenderWindow and Renderer
        ren = vtk.vtkRenderer()
        renWin = vtk.vtkRenderWindow()
        renWin.SetMultiSamples(0)
        renWin.AddRenderer(ren)

        # Add the dummy actor.
        ren.AddActor(dummyActor)
        # Add the outline actor to the renderer, set the background
        # color and size
        ren.AddActor(outlineActor)
        renWin.SetSize(600, 600)
        ren.SetBackground(0.1, 0.1, 0.2)

        current_widget = planeWidgetZ
        mode_widget = planeWidgetZ

        # Set the interactor for the widgets
        iact = vtk.vtkRenderWindowInteractor()
        iact.SetRenderWindow(renWin)
        planeWidgetX.SetInteractor(iact)
        planeWidgetX.On()
        planeWidgetY.SetInteractor(iact)
        planeWidgetY.On()
        planeWidgetZ.SetInteractor(iact)
        planeWidgetZ.On()

        # Create an initial interesting view
        ren.ResetCamera();
        cam1 = ren.GetActiveCamera()
        cam1.Elevation(110)
        cam1.SetViewUp(0, 0, -1)
        cam1.Azimuth(45)
        ren.ResetCameraClippingRange()

        iact.Initialize()
        renWin.Render()

        # Compare the images and test.
        img_file = "TestImagePlaneWidget.png"
        Testing.compareImage(renWin, Testing.getAbsImagePath(img_file))
        # Interact if necessary.
        if Testing.isInteractive():
            iact.Start()

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
    mapper.Update() #TODO why is this necessary

    actor = vtk.vtkActor()
    actor.SetMapper(mapper)

    renderer.AddActor(actor)

    widget = vtk.vtkImplicitPlaneWidget()
    widget.PlaceWidget(bounds)
    widget.SetOrigin([plane.GetOrigin()[x] for x in 0,1,2])
    widget.SetNormal([plane.GetNormal()[x] for x in 0,1,2])
    widget.SetInteractor(iren)
    widget.AddObserver("InteractionEvent", widgetCallBack)
    widget.SetEnabled(1)
    widget.DrawPlaneOff()

    renderer.ResetCamera()
    renwin.Render()

    img_file = "TestSlice.png"
    Testing.compareImage(renwin, Testing.getAbsImagePath(img_file))

    if Testing.isInteractive():
        widget.DrawPlaneOn()
        iren.Start()

if __name__ == "__main__":
    global args
    args = parseArgs()
    Testing.main([(TestSlice, 'test')])

# 需要导入模块: from vtk.test import Testing [as 别名]
# 或者: from vtk.test.Testing import getAbsImagePath [as 别名]
    def testGlyphs(self):
        """Test if texturing of the glyphs works correctly."""
        # The Glyph
        cs = vtk.vtkCubeSource()
        cs.SetXLength(2.0); cs.SetYLength(1.0); cs.SetZLength(0.5)

        # Create input point data.
        pts = vtk.vtkPoints()
        pts.InsertPoint(0, (1,1,1))
        pts.InsertPoint(1, (0,0,0))
        pts.InsertPoint(2, (-1,-1,-1))
        polys = vtk.vtkCellArray()
        polys.InsertNextCell(1)
        polys.InsertCellPoint(0)
        polys.InsertNextCell(1)
        polys.InsertCellPoint(1)
        polys.InsertNextCell(1)
        polys.InsertCellPoint(2)        
        pd = vtk.vtkPolyData()
        pd.SetPoints(pts)
        pd.SetPolys(polys)

        # Orient the glyphs as per vectors.
        vec = vtk.vtkFloatArray()
        vec.SetNumberOfComponents(3)
        vec.InsertTuple3(0, 1, 0, 0)
        vec.InsertTuple3(1, 0, 1, 0)
        vec.InsertTuple3(2, 0, 0, 1)
        pd.GetPointData().SetVectors(vec)

        # The glyph filter.
        g = vtk.vtkGlyph3D()
        g.SetScaleModeToDataScalingOff()
        g.SetVectorModeToUseVector()
        g.SetInput(pd)
        g.SetSource(cs.GetOutput())

        m = vtk.vtkPolyDataMapper()
        m.SetInputConnection(g.GetOutputPort())
        a = vtk.vtkActor()
        a.SetMapper(m)

        # The texture.
        img_file = os.path.join(Testing.VTK_DATA_ROOT, "Data",
                                "masonry.bmp")
        img_r = vtk.vtkBMPReader()
        img_r.SetFileName(img_file)
        t = vtk.vtkTexture()
        t.SetInputConnection(img_r.GetOutputPort())
        t.InterpolateOn()
        a.SetTexture(t)

        # Renderer, RenderWindow etc.
        ren = vtk.vtkRenderer()
        ren.SetBackground(0.5, 0.5, 0.5)
        ren.AddActor(a)

        ren.ResetCamera();
        cam = ren.GetActiveCamera()
        cam.Azimuth(-90)
        cam.Zoom(1.4)

        renWin = vtk.vtkRenderWindow()
        renWin.AddRenderer(ren)
        rwi = vtk.vtkRenderWindowInteractor()
        rwi.SetRenderWindow(renWin)
        rwi.Initialize()
        rwi.Render()

        # Compare the images and test.
        img_file = "TestTextureGlyph.png"
        Testing.compareImage(renWin, Testing.getAbsImagePath(img_file))
        # Interact if necessary.
        if Testing.isInteractive():
            rwi.Start()