def __init__(self, module_manager):
SimpleVTKClassModuleBase.__init__(
self, module_manager,
vtk.vtkImageShrink3D(), 'Processing.',
('vtkImageData',), ('vtkImageData',),
replaceDoc=True,
inputFunctions=None, outputFunctions=None)
def __init__(self, module_manager):
SimpleVTKClassModuleBase.__init__(self,
module_manager,
vtk.vtkImageShrink3D(),
'Processing.', ('vtkImageData', ),
('vtkImageData', ),
replaceDoc=True,
inputFunctions=None,
outputFunctions=None)
def decimateImage( self, image, decx, decy ):
image.Update()
dims = image.GetDimensions()
image_size = dims[0] * dims[1]
result = image
if image_size > MAX_IMAGE_SIZE:
resample = vtk.vtkImageShrink3D()
resample.SetInput( image )
resample.SetShrinkFactors( decx, decy, 1 )
result = resample.GetOutput()
result.Update()
return result
def decimateImage(self, image, decx, decy):
image.Update()
dims = image.GetDimensions()
image_size = dims[0] * dims[1]
result = image
if image_size > MAX_IMAGE_SIZE:
resample = vtk.vtkImageShrink3D()
resample.SetInput(image)
resample.SetShrinkFactors(decx, decy, 1)
result = resample.GetOutput()
result.Update()
return result
def createMesh(self, polyData, spacing):
dv = 1.75
rf = 1
data_matrix = polyData
data_matrix = np.rot90(data_matrix, 1)
data_matrix = data_matrix.astype(np.uint8)
xSize, ySize, zSize = data_matrix.shape
#================================BoneExtrctor==================================
dataImporter = vtk.vtkImageImport()
data_string = data_matrix.tostring()
dataImporter.CopyImportVoidPointer(data_string, len(data_string))
dataImporter.SetDataScalarTypeToUnsignedChar()
dataImporter.SetNumberOfScalarComponents(1)
dataImporter.SetDataExtent(0, xSize - 1, 0, ySize - 1, 0, zSize - 1)
dataImporter.SetWholeExtent(0, xSize - 1, 0, ySize - 1, 0, zSize - 1)
dataImporter.SetDataExtentToWholeExtent()
#============================= Smoothed pipeline ==============================
smooth = vtk.vtkImageGaussianSmooth()
smooth.SetDimensionality(3)
smooth.SetInputConnection(dataImporter.GetOutputPort())
smooth.SetStandardDeviations(dv, dv, dv)
smooth.SetRadiusFactor(rf)
subsampleSmoothed = vtk.vtkImageShrink3D()
subsampleSmoothed.SetInputConnection(smooth.GetOutputPort())
subsampleSmoothed.SetShrinkFactors(4, 4, 1)
isoSmoothed = vtk.vtkImageMarchingCubes()
isoSmoothed.SetInputConnection(smooth.GetOutputPort())
isoSmoothed.SetValue(0, 10)
isoSmoothedMapper = vtk.vtkPolyDataMapper()
isoSmoothedMapper.SetInputConnection(isoSmoothed.GetOutputPort())
isoSmoothedMapper.ScalarVisibilityOff()
tmpTransfor = vtk.vtkTransform()
tmpTransfor.Scale(spacing)
meshActor = vtk.vtkActor()
meshActor.SetMapper(isoSmoothedMapper)
meshActor.SetUserTransform(tmpTransfor)
return meshActor
def __init__(self):
ActorFactory.ActorFactory.__init__(self)
# whether to display the volume
self._ShowVolume = 1
self._StatusChange = 0
# create a clipping cube to go with the volume
self._ClippingCube = ClippingCubeFactory.ClippingCubeFactory()
self.AddChild(self._ClippingCube)
self._CubeClippingPlanes = vtk.vtkPlaneCollection()
for i in range(6):
self._CubeClippingPlanes.AddItem(vtk.vtkPlane())
# for if we clip in with OrthoPlanes
self._OrthoPlanes = None
self._ShowOrthoPlanes = 1
self._OrthoPlanesLookupTables = {}
self._OrthoPickThreshold = 0.0025
# corner clipping planes, in pairs with opposite normals
self._CornerClippingPlanes = vtk.vtkPlaneCollection()
for i in range(6):
self._CornerClippingPlanes.AddItem(vtk.vtkPlane())
# clipping planes for the volume, sorted for the
# three chunks that will make up the final volume
self._ClippingPlanes = [
vtk.vtkPlaneCollection(),
vtk.vtkPlaneCollection(),
vtk.vtkPlaneCollection()
]
for i in range(3):
planes = self._ClippingPlanes[i]
cplanes = self._CornerClippingPlanes
bplanes = self._CubeClippingPlanes
if i == 0:
planes.AddItem(cplanes.GetItemAsObject(0))
planes.AddItem(bplanes.GetItemAsObject(1))
planes.AddItem(bplanes.GetItemAsObject(2))
planes.AddItem(bplanes.GetItemAsObject(3))
planes.AddItem(bplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
else:
planes.AddItem(bplanes.GetItemAsObject(0))
planes.AddItem(cplanes.GetItemAsObject(1))
if i == 1:
planes.AddItem(cplanes.GetItemAsObject(2))
planes.AddItem(bplanes.GetItemAsObject(3))
planes.AddItem(bplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
else:
planes.AddItem(bplanes.GetItemAsObject(2))
planes.AddItem(cplanes.GetItemAsObject(3))
if i == 2:
planes.AddItem(cplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
else:
planes.AddItem(bplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
self._Input = None
# generate the pipeline
self._ImagePrefilter = vtk.vtkImageShrink3D()
self._ImageReslice = vtk.vtkImageReslice()
self._ImageReslice.SetInterpolationModeToLinear()
self._ImageMapToColors = vtk.vtkImageMapToColors()
self._ImageMapToColors.SetOutputFormatToRGBA()
self._ImageToStructuredPoints = vtk.vtkImageToStructuredPoints()
self._ImageClipsXY = []
self._PlanesXY = []
self._ActorsXY = []
self._PropertyXY = vtk.vtkProperty()
self._PropertyXY.SetDiffuse(0)
self._PropertyXY.SetAmbient(1)
self._ImageClipsYZ = []
self._PlanesYZ = []
self._ActorsYZ = []
self._PropertyYZ = vtk.vtkProperty()
self._PropertyYZ.SetDiffuse(0)
self._PropertyYZ.SetAmbient(1)
self._ImageClipsZX = []
self._PlanesZX = []
self._ActorsZX = []
self._PropertyZX = vtk.vtkProperty()
self._PropertyZX.SetDiffuse(0)
self._PropertyZX.SetAmbient(1)
# a list of the renderer info
self._RendererCurrentIndex = {}
self._RendererActorList = {}
self._RendererObserverList = {}
# a transform to apply to the image
self._ImageTransform = None
self._TransformToGrid = vtk.vtkTransformToGrid()
# the alpha pick threshold for the volume
self._PickThreshold = 0.25
# the implicit volume for finding the gradient
self._ImplicitVolume = vtk.vtkImplicitVolume()
# the extent of the texture maps
self._VolumeResolution = (64, 64, 64)
# the bounds of the volume
self._VolumeBounds = None
lut.SetSaturationRange(1.0, 0) lut.SetValueRange(0.5, 1.0) demModel = vtk.vtkDEMReader() demModel.SetFileName(VTK_DATA_ROOT + "/Data/SainteHelens.dem") demModel.Update() print demModel lo = Scale * demModel.GetElevationBounds()[0] hi = Scale * demModel.GetElevationBounds()[1] demActor = vtk.vtkLODActor() # create a pipeline for each lod mapper shrink16 = vtk.vtkImageShrink3D() shrink16.SetShrinkFactors(16, 16, 1) shrink16.SetInputConnection(demModel.GetOutputPort()) shrink16.AveragingOn() geom16 = vtk.vtkImageDataGeometryFilter() geom16.SetInputConnection(shrink16.GetOutputPort()) geom16.ReleaseDataFlagOn() warp16 = vtk.vtkWarpScalar() warp16.SetInputConnection(geom16.GetOutputPort()) warp16.SetNormal(0, 0, 1) warp16.UseNormalOn() warp16.SetScaleFactor(Scale) warp16.ReleaseDataFlagOn()
def testAllShrinks(self):
prefix = VTK_DATA_ROOT + "/Data/headsq/quarter"
renWin = vtk.vtkRenderWindow()
# Image pipeline
reader = vtk.vtkImageReader()
reader.SetDataExtent(0, 63, 0, 63, 1, 93)
reader.SetFilePrefix(prefix)
reader.SetDataByteOrderToLittleEndian()
reader.SetDataMask(0x7fff)
factor = 4
magFactor = 8
ops = ["Minimum", "Maximum", "Mean", "Median", "NoOp"]
shrink = dict()
mag = dict()
mapper = dict()
actor = dict()
imager = dict()
for operator in ops:
shrink.update({operator:vtk.vtkImageShrink3D()})
shrink[operator].SetMean(0)
if operator != "NoOp":
eval('shrink[operator].' + operator + 'On()')
shrink[operator].SetShrinkFactors(factor, factor, factor)
shrink[operator].SetInputConnection(reader.GetOutputPort())
mag.update({operator:vtk.vtkImageMagnify()})
mag[operator].SetMagnificationFactors(magFactor, magFactor, magFactor)
mag[operator].InterpolateOff()
mag[operator].SetInputConnection(shrink[operator].GetOutputPort())
mapper.update({operator:vtk.vtkImageMapper()})
mapper[operator].SetInputConnection(mag[operator].GetOutputPort())
mapper[operator].SetColorWindow(2000)
mapper[operator].SetColorLevel(1000)
mapper[operator].SetZSlice(45)
actor.update({operator:vtk.vtkActor2D()})
actor[operator].SetMapper(mapper[operator])
imager.update({operator:vtk.vtkRenderer()})
imager[operator].AddActor2D(actor[operator])
renWin.AddRenderer(imager[operator])
shrink["Minimum"].Update
shrink["Maximum"].Update
shrink["Mean"].Update
shrink["Median"].Update
imager["Minimum"].SetViewport(0, 0, .5, .33)
imager["Maximum"].SetViewport(0, .33, .5, .667)
imager["Mean"].SetViewport(.5, 0, 1, .33)
imager["Median"].SetViewport(.5, .33, 1, .667)
imager["NoOp"].SetViewport(0, .667, 1, 1)
renWin.SetSize(256, 384)
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin);
renWin.Render()
img_file = "TestAllShrinks.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
image1.SetFileName(VTK_DATA_ROOT + "/Data/beach.tif") # "beach.tif" image contains ORIENTATION tag which is # ORIENTATION_TOPLEFT (row 0 top, col 0 lhs) type. The TIFF # reader parses this tag and sets the internal TIFF image # orientation accordingly. To overwrite this orientation with a vtk # convention of ORIENTATION_BOTLEFT (row 0 bottom, col 0 lhs ), invoke # SetOrientationType method with parameter value of 4. image1.SetOrientationType(4) image2 = vtk.vtkBMPReader() image2.SetFileName(VTK_DATA_ROOT + "/Data/masonry.bmp") # shrink the images to a reasonable size color = vtk.vtkImageShrink3D() color.SetInputConnection(image1.GetOutputPort()) color.SetShrinkFactors(2, 2, 1) backgroundColor = vtk.vtkImageShrink3D() backgroundColor.SetInputConnection(image2.GetOutputPort()) backgroundColor.SetShrinkFactors(2, 2, 1) # create a greyscale version luminance = vtk.vtkImageLuminance() luminance.SetInputConnection(color.GetOutputPort()) backgroundLuminance = vtk.vtkImageLuminance() backgroundLuminance.SetInputConnection(backgroundColor.GetOutputPort())
def __init__(self):
ActorFactory.ActorFactory.__init__(self)
self._LookupTable = None # lookup table is currently not used
self._ColorTransferFunction = None
self._OpacityTransferFunction = None
self._RendererObserverList = {}
# create a clipping cube to go with the volume
self._ClippingCube = ClippingCubeFactory.ClippingCubeFactory()
self.AddChild(self._ClippingCube)
self._CubeClippingPlanes = vtk.vtkPlaneCollection()
for i in range(6):
self._CubeClippingPlanes.AddItem(vtk.vtkPlane())
# corner clipping planes, in pairs with opposite normals
self._CornerClippingPlanes = vtk.vtkPlaneCollection()
for i in range(6):
self._CornerClippingPlanes.AddItem(vtk.vtkPlane())
# clipping planes for the volume, sorted for the
# three chunks that will make up the final volume
# (these are currently unused)
self._ClippingPlanes = [vtk.vtkPlaneCollection(),
vtk.vtkPlaneCollection(),
vtk.vtkPlaneCollection()]
for i in range(3):
planes = self._ClippingPlanes[i]
cplanes = self._CornerClippingPlanes
bplanes = self._CubeClippingPlanes
if i == 0:
planes.AddItem(cplanes.GetItemAsObject(0))
planes.AddItem(bplanes.GetItemAsObject(1))
planes.AddItem(bplanes.GetItemAsObject(2))
planes.AddItem(bplanes.GetItemAsObject(3))
planes.AddItem(bplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
else:
planes.AddItem(bplanes.GetItemAsObject(0))
planes.AddItem(cplanes.GetItemAsObject(1))
if i == 1:
planes.AddItem(cplanes.GetItemAsObject(2))
planes.AddItem(bplanes.GetItemAsObject(3))
planes.AddItem(bplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
else:
planes.AddItem(bplanes.GetItemAsObject(2))
planes.AddItem(cplanes.GetItemAsObject(3))
if i == 2:
planes.AddItem(cplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
else:
planes.AddItem(bplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
# generate the pipeline pieces
self._Input = None
# transform the full-resolution volume
self._RayCastReslice = vtk.vtkImageReslice()
self._RayCastReslice.SetInterpolationModeToLinear()
# subsample the volume for low-res rendering
self._ImagePrefilter1 = vtk.vtkImageShrink3D()
self._ImagePrefilter2 = vtk.vtkImageShrink3D()
# transform the subsampled volume
self._ImageReslice1 = vtk.vtkImageReslice()
self._ImageReslice1.SetInterpolationModeToLinear()
self._ImageReslice2 = vtk.vtkImageReslice()
self._ImageReslice2.SetInterpolationModeToLinear()
# convert to RGBA for rendering (unused)
self._ImageMapToColors = vtk.vtkImageMapToColors()
self._ImageMapToColors.SetOutputFormatToRGBA()
# strictly for VTK 3.2 compatibility
self._ImageToStructuredPoints = vtk.vtkImageToStructuredPoints()
# a transform to apply to the image
self._ImageTransform = None
self._TransformToGrid = vtk.vtkTransformToGrid()
# the opacity pick threshold for the volume
self._PickThreshold = 0.99
# the implicit volume for finding the gradient
self._ImplicitVolume = vtk.vtkImplicitVolume()
# the texture dimensions (later this will be set automatically
# to provide the desired interactive rendering time)
self._TextureSize = 128
# the bounds of the volume
self._VolumeBounds = None
# vtkVolume specific stuff
self._VolumeProperty = vtk.vtkVolumeProperty()
self._VolumeProperty.SetInterpolationTypeToLinear()
rayCastFunction = vtk.vtkVolumeRayCastCompositeFunction()
self._VolumeRayCastMapper = vtk.vtkVolumeRayCastMapper()
self._VolumeRayCastMapper.SetVolumeRayCastFunction(rayCastFunction)
self._VolumeRayCastMapper.SetClippingPlanes(
self._ClippingCube.GetClippingPlanes())
try: # vtk 3.2 does not contain this function call:
self._VolumeRayCastMapper.AutoAdjustSampleDistancesOff()
except:
pass
self._VolumeTextureMapper1 = vtk.vtkVolumeTextureMapper2D()
self._VolumeTextureMapper1.SetTargetTextureSize(old_div(self._TextureSize, 4),
old_div(self._TextureSize, 4))
self._VolumeTextureMapper1.SetMaximumNumberOfPlanes(
old_div(self._TextureSize, 2))
self._VolumeTextureMapper1.SetClippingPlanes(
self._ClippingCube.GetClippingPlanes())
try: # vtk 3.2 does not contain this function call:
# set to the amount of available texture memory (24MB is a good
# start)
self._VolumeTextureMapper1.SetMaximumStorageSize(24 * 1024 * 1024)
except:
pass
self._VolumeTextureMapper2 = vtk.vtkVolumeTextureMapper2D()
self._VolumeTextureMapper2.SetTargetTextureSize(self._TextureSize,
self._TextureSize)
self._VolumeTextureMapper2.SetMaximumNumberOfPlanes(self._TextureSize)
self._VolumeTextureMapper2.SetClippingPlanes(
self._ClippingCube.GetClippingPlanes())
try: # vtk 3.2 does not contain this function call:
# set to the amount of available texture memory (24MB is a good
# start)
self._VolumeTextureMapper2.SetMaximumStorageSize(24 * 1024 * 1024)
except:
pass
# set two levels of detail: texture and ray-casting
self._Volume = vtk.vtkLODProp3D()
self._Volume.PickableOff()
idT1 = self._Volume.AddLOD(self._VolumeTextureMapper1,
self._VolumeProperty,
0.02)
idT2 = self._Volume.AddLOD(self._VolumeTextureMapper2,
self._VolumeProperty,
0.1)
# remember these LOD id numbers
self._lod = [idT1, idT2]
# idRC = self._Volume.AddLOD(self._VolumeRayCastMapper,
# self._VolumeProperty,
# 2.0)
self._Volume.SetLODLevel(idT1, 2.0)
self._Volume.SetLODLevel(idT2, 1.0)
# Start by loading some data. dem = vtk.vtkDEMReader() dem.SetFileName(VTK_DATA_ROOT + "/Data/SainteHelens.dem") dem.Update() Scale = 2 lut = vtk.vtkLookupTable() lut.SetHueRange(0.6, 0) lut.SetSaturationRange(1.0, 0) lut.SetValueRange(0.5, 1.0) lo = Scale * dem.GetElevationBounds()[0] hi = Scale * dem.GetElevationBounds()[1] shrink = vtk.vtkImageShrink3D() shrink.SetShrinkFactors(4, 4, 1) shrink.SetInputConnection(dem.GetOutputPort()) shrink.AveragingOn() geom = vtk.vtkImageDataGeometryFilter() geom.SetInputConnection(shrink.GetOutputPort()) geom.ReleaseDataFlagOn() warp = vtk.vtkWarpScalar() warp.SetInputConnection(geom.GetOutputPort()) warp.SetNormal(0, 0, 1) warp.UseNormalOn() warp.SetScaleFactor(Scale) warp.ReleaseDataFlagOn()
lutLand.SetNumberOfColors(10) lutLand.SetHueRange(0.1, 0.1) lutLand.SetSaturationRange(0.4, 0.1) lutLand.SetValueRange(0.55, 0.9) lutLand.Build() # The DEM reader reads data and creates an output image. demModel = vtk.vtkDEMReader() demModel.SetFileName(VTK_DATA_ROOT + "/Data/SainteHelens.dem") demModel.Update() # We shrink the terrain data down a bit to yield better performance for # this example. shrinkFactor = 4 shrink = vtk.vtkImageShrink3D() shrink.SetShrinkFactors(shrinkFactor, shrinkFactor, 1) shrink.SetInputConnection(demModel.GetOutputPort()) shrink.AveragingOn() # Convert the image into polygons. geom = vtk.vtkImageDataGeometryFilter() geom.SetInputConnection(shrink.GetOutputPort()) # Warp the polygons based on elevation. warp = vtk.vtkWarpScalar() warp.SetInputConnection(geom.GetOutputPort()) warp.SetNormal(0, 0, 1) warp.UseNormalOn() warp.SetScaleFactor(Scale)
def __init__(self):
ActorFactory.ActorFactory.__init__(self)
# whether to display the volume
self._ShowVolume = 1
self._StatusChange = 0
# create a clipping cube to go with the volume
self._ClippingCube = ClippingCubeFactory.ClippingCubeFactory()
self.AddChild(self._ClippingCube)
self._CubeClippingPlanes = vtk.vtkPlaneCollection()
for i in range(6):
self._CubeClippingPlanes.AddItem(vtk.vtkPlane())
# for if we clip in with OrthoPlanes
self._OrthoPlanes = None
self._ShowOrthoPlanes = 1
self._OrthoPlanesLookupTables = {}
self._OrthoPickThreshold = 0.0025
# corner clipping planes, in pairs with opposite normals
self._CornerClippingPlanes = vtk.vtkPlaneCollection()
for i in range(6):
self._CornerClippingPlanes.AddItem(vtk.vtkPlane())
# clipping planes for the volume, sorted for the
# three chunks that will make up the final volume
self._ClippingPlanes = [vtk.vtkPlaneCollection(),
vtk.vtkPlaneCollection(),
vtk.vtkPlaneCollection()]
for i in range(3):
planes = self._ClippingPlanes[i]
cplanes = self._CornerClippingPlanes
bplanes = self._CubeClippingPlanes
if i == 0:
planes.AddItem(cplanes.GetItemAsObject(0))
planes.AddItem(bplanes.GetItemAsObject(1))
planes.AddItem(bplanes.GetItemAsObject(2))
planes.AddItem(bplanes.GetItemAsObject(3))
planes.AddItem(bplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
else:
planes.AddItem(bplanes.GetItemAsObject(0))
planes.AddItem(cplanes.GetItemAsObject(1))
if i == 1:
planes.AddItem(cplanes.GetItemAsObject(2))
planes.AddItem(bplanes.GetItemAsObject(3))
planes.AddItem(bplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
else:
planes.AddItem(bplanes.GetItemAsObject(2))
planes.AddItem(cplanes.GetItemAsObject(3))
if i == 2:
planes.AddItem(cplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
else:
planes.AddItem(bplanes.GetItemAsObject(4))
planes.AddItem(bplanes.GetItemAsObject(5))
self._Input = None
# generate the pipeline
self._ImagePrefilter = vtk.vtkImageShrink3D()
self._ImageReslice = vtk.vtkImageReslice()
self._ImageReslice.SetInterpolationModeToLinear()
self._ImageMapToColors = vtk.vtkImageMapToColors()
self._ImageMapToColors.SetOutputFormatToRGBA()
self._ImageToStructuredPoints = vtk.vtkImageToStructuredPoints()
self._ImageClipsXY = []
self._PlanesXY = []
self._ActorsXY = []
self._PropertyXY = vtk.vtkProperty()
self._PropertyXY.SetDiffuse(0)
self._PropertyXY.SetAmbient(1)
self._ImageClipsYZ = []
self._PlanesYZ = []
self._ActorsYZ = []
self._PropertyYZ = vtk.vtkProperty()
self._PropertyYZ.SetDiffuse(0)
self._PropertyYZ.SetAmbient(1)
self._ImageClipsZX = []
self._PlanesZX = []
self._ActorsZX = []
self._PropertyZX = vtk.vtkProperty()
self._PropertyZX.SetDiffuse(0)
self._PropertyZX.SetAmbient(1)
# a list of the renderer info
self._RendererCurrentIndex = {}
self._RendererActorList = {}
self._RendererObserverList = {}
# a transform to apply to the image
self._ImageTransform = None
self._TransformToGrid = vtk.vtkTransformToGrid()
# the alpha pick threshold for the volume
self._PickThreshold = 0.25
# the implicit volume for finding the gradient
self._ImplicitVolume = vtk.vtkImplicitVolume()
# the extent of the texture maps
self._VolumeResolution = (64, 64, 64)
# the bounds of the volume
self._VolumeBounds = None
def main():
colors = vtk.vtkNamedColors()
colors.SetColor("ActorColor", [235, 235, 235, 255])
fileName = get_program_parameters()
# Read the image.
readerFactory = vtk.vtkImageReader2Factory()
reader = readerFactory.CreateImageReader2(fileName)
reader.SetFileName(fileName)
reader.Update()
# Smoothed pipeline.
smooth = vtk.vtkImageGaussianSmooth()
smooth.SetDimensionality(3)
smooth.SetInputConnection(reader.GetOutputPort())
smooth.SetStandardDeviations(1.75, 1.75, 0.0)
smooth.SetRadiusFactor(2)
subsampleSmoothed = vtk.vtkImageShrink3D()
subsampleSmoothed.SetInputConnection(smooth.GetOutputPort())
subsampleSmoothed.SetShrinkFactors(4, 4, 1)
isoSmoothed = vtk.vtkImageMarchingCubes()
isoSmoothed.SetInputConnection(smooth.GetOutputPort())
isoSmoothed.SetValue(0, 1150)
isoSmoothedMapper = vtk.vtkPolyDataMapper()
isoSmoothedMapper.SetInputConnection(isoSmoothed.GetOutputPort())
isoSmoothedMapper.ScalarVisibilityOff()
isoSmoothedActor = vtk.vtkActor()
isoSmoothedActor.SetMapper(isoSmoothedMapper)
isoSmoothedActor.GetProperty().SetColor(colors.GetColor3d("ActorColor"))
# Unsmoothed pipeline.
# Sub sample the data.
subsample = vtk.vtkImageShrink3D()
subsample.SetInputConnection(reader.GetOutputPort())
subsample.SetShrinkFactors(4, 4, 1)
iso = vtk.vtkImageMarchingCubes()
iso.SetInputConnection(subsample.GetOutputPort())
iso.SetValue(0, 1150)
isoMapper = vtk.vtkPolyDataMapper()
isoMapper.SetInputConnection(iso.GetOutputPort())
isoMapper.ScalarVisibilityOff()
isoActor = vtk.vtkActor()
isoActor.SetMapper(isoMapper)
isoActor.GetProperty().SetColor(colors.GetColor3d("ActorColor"))
# The rendering Pipeline.
# Setup the render window, renderer, and interactor.
leftViewport = [0.0, 0.0, 0.5, 1.0]
rightViewport = [0.5, 0.0, 1.0, 1.0]
rendererLeft = vtk.vtkRenderer()
rendererLeft.SetViewport(leftViewport)
rendererRight = vtk.vtkRenderer()
rendererRight.SetViewport(rightViewport)
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(rendererLeft)
renderWindow.AddRenderer(rendererRight)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
rendererLeft.AddActor(isoActor)
rendererRight.AddActor(isoSmoothedActor)
rendererLeft.GetActiveCamera().SetFocalPoint(0.0, 0.0, 0.0)
rendererLeft.GetActiveCamera().SetPosition(0.0, -1.0, 0.0)
rendererLeft.GetActiveCamera().SetViewUp(0.0, 0.0, -1.0)
rendererLeft.ResetCamera()
rendererLeft.GetActiveCamera().Azimuth(-20.0)
rendererLeft.GetActiveCamera().Elevation(20.0)
rendererLeft.ResetCameraClippingRange()
rendererLeft.SetBackground(colors.GetColor3d("SlateGray"))
rendererRight.SetBackground(colors.GetColor3d("LightSlateGray"))
rendererRight.SetActiveCamera(rendererLeft.GetActiveCamera())
renderWindow.SetSize(640, 480)
renderWindow.Render()
renderWindowInteractor.Start()
def testAllMaskBits(self):
# This script calculates the luminance of an image
renWin = vtk.vtkRenderWindow()
# Image pipeline
image1 = vtk.vtkTIFFReader()
image1.SetFileName(VTK_DATA_ROOT + "/Data/beach.tif")
# "beach.tif" image contains ORIENTATION tag which is
# ORIENTATION_TOPLEFT (row 0 top, col 0 lhs) type. The TIFF
# reader parses this tag and sets the internal TIFF image
# orientation accordingly. To overwrite this orientation with a vtk
# convention of ORIENTATION_BOTLEFT (row 0 bottom, col 0 lhs ), invoke
# SetOrientationType method with parameter value of 4.
image1.SetOrientationType(4)
shrink = vtk.vtkImageShrink3D()
shrink.SetInputConnection(image1.GetOutputPort())
shrink.SetShrinkFactors(2, 2, 1)
operators = ["ByPass", "And", "Nand", "Xor", "Or", "Nor"]
operator = dict()
mapper = dict()
actor = dict()
imager = dict()
for idx, op in enumerate(operators):
if op != "ByPass":
operator.update({idx: vtk.vtkImageMaskBits()})
operator[idx].SetInputConnection(shrink.GetOutputPort())
eval('operator[' + str(idx) + '].SetOperationTo' + op + '()')
operator[idx].SetMasks(255, 255, 0)
mapper.update({idx: vtk.vtkImageMapper()})
if op != "ByPass":
mapper[idx].SetInputConnection(operator[idx].GetOutputPort())
else:
mapper[idx].SetInputConnection(shrink.GetOutputPort())
mapper[idx].SetColorWindow(255)
mapper[idx].SetColorLevel(127.5)
actor.update({idx: vtk.vtkActor2D()})
actor[idx].SetMapper(mapper[idx])
imager.update({idx: vtk.vtkRenderer()})
imager[idx].AddActor2D(actor[idx])
renWin.AddRenderer(imager[idx])
column = 0
row = 0
deltaX = 1.0 / 3.0
deltaY = 1.0 / 2.0
for idx in range(len(operators)):
imager[idx].SetViewport(column * deltaX, row * deltaY, (column + 1) * deltaX, (row + 1) * deltaY)
column += 1
if column > 2:
column = 0
row += 1
renWin.SetSize(384, 256)
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin);
renWin.Render()
img_file = "TestAllMaskBits.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
def testAllShrinks(self):
prefix = VTK_DATA_ROOT + "/Data/headsq/quarter"
renWin = vtk.vtkRenderWindow()
# Image pipeline
reader = vtk.vtkImageReader()
reader.SetDataExtent(0, 63, 0, 63, 1, 93)
reader.SetFilePrefix(prefix)
reader.SetDataByteOrderToLittleEndian()
reader.SetDataMask(0x7fff)
factor = 4
magFactor = 8
ops = ["Minimum", "Maximum", "Mean", "Median", "NoOp"]
shrink = dict()
mag = dict()
mapper = dict()
actor = dict()
imager = dict()
for operator in ops:
shrink.update({operator: vtk.vtkImageShrink3D()})
shrink[operator].SetMean(0)
if operator != "NoOp":
eval('shrink[operator].' + operator + 'On()')
shrink[operator].SetShrinkFactors(factor, factor, factor)
shrink[operator].SetInputConnection(reader.GetOutputPort())
mag.update({operator: vtk.vtkImageMagnify()})
mag[operator].SetMagnificationFactors(magFactor, magFactor,
magFactor)
mag[operator].InterpolateOff()
mag[operator].SetInputConnection(shrink[operator].GetOutputPort())
mapper.update({operator: vtk.vtkImageMapper()})
mapper[operator].SetInputConnection(mag[operator].GetOutputPort())
mapper[operator].SetColorWindow(2000)
mapper[operator].SetColorLevel(1000)
mapper[operator].SetZSlice(45)
actor.update({operator: vtk.vtkActor2D()})
actor[operator].SetMapper(mapper[operator])
imager.update({operator: vtk.vtkRenderer()})
imager[operator].AddActor2D(actor[operator])
renWin.AddRenderer(imager[operator])
shrink["Minimum"].Update
shrink["Maximum"].Update
shrink["Mean"].Update
shrink["Median"].Update
imager["Minimum"].SetViewport(0, 0, .5, .33)
imager["Maximum"].SetViewport(0, .33, .5, .667)
imager["Mean"].SetViewport(.5, 0, 1, .33)
imager["Median"].SetViewport(.5, .33, 1, .667)
imager["NoOp"].SetViewport(0, .667, 1, 1)
renWin.SetSize(256, 384)
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
renWin.Render()
img_file = "TestAllShrinks.png"
vtk.test.Testing.compareImage(
iRen.GetRenderWindow(),
vtk.test.Testing.getAbsImagePath(img_file),
threshold=25)
vtk.test.Testing.interact()
Scale = 5
lut = vtk.vtkLookupTable()
lut.SetHueRange(0.6,0)
lut.SetSaturationRange(1.0,0)
lut.SetValueRange(0.5,1.0)
demModel = vtk.vtkDEMReader()
demModel.SetFileName("" + str(VTK_DATA_ROOT) + "/Data/SainteHelens.dem")
demModel.Update()
catch.catch(globals(),"""#demModel.Print()""")
lo = expr.expr(globals(), locals(),["Scale","*","lindex(demModel.GetElevationBounds(),0)"])
hi = expr.expr(globals(), locals(),["Scale","*","lindex(demModel.GetElevationBounds(),1)"])
demActor = vtk.vtkLODActor()
# create a pipeline for each lod mapper
lods = "4 8 16"
for lod in lods.split():
locals()[get_variable_name("shrink", lod, "")] = vtk.vtkImageShrink3D()
locals()[get_variable_name("shrink", lod, "")].SetShrinkFactors(expr.expr(globals(), locals(),["int","(","lod",")"]),expr.expr(globals(), locals(),["int","(","lod",")"]),1)
locals()[get_variable_name("shrink", lod, "")].SetInputConnection(demModel.GetOutputPort())
locals()[get_variable_name("shrink", lod, "")].AveragingOn()
locals()[get_variable_name("geom", lod, "")] = vtk.vtkImageDataGeometryFilter()
locals()[get_variable_name("geom", lod, "")].SetInputConnection(locals()[get_variable_name("shrink", lod, "")].GetOutputPort())
locals()[get_variable_name("geom", lod, "")].ReleaseDataFlagOn()
locals()[get_variable_name("warp", lod, "")] = vtk.vtkWarpScalar()
locals()[get_variable_name("warp", lod, "")].SetInputConnection(locals()[get_variable_name("geom", lod, "")].GetOutputPort())
locals()[get_variable_name("warp", lod, "")].SetNormal(0,0,1)
locals()[get_variable_name("warp", lod, "")].UseNormalOn()
locals()[get_variable_name("warp", lod, "")].SetScaleFactor(Scale)
locals()[get_variable_name("warp", lod, "")].ReleaseDataFlagOn()
locals()[get_variable_name("elevation", lod, "")] = vtk.vtkElevationFilter()
locals()[get_variable_name("elevation", lod, "")].SetInputConnection(locals()[get_variable_name("warp", lod, "")].GetOutputPort())
locals()[get_variable_name("elevation", lod, "")].SetLowPoint(0,0,lo)
def create_frog_actor(frog_fn, frog_tissue_fn, tissue, flying_edges, decimate, lut):
# Get the tissue parameters
pixel_size = tissue['PIXEL_SIZE']
columns = tissue['COLUMNS']
rows = tissue['ROWS']
voi = tissue['VOI']
spacing = float(tissue['SPACING'])
start_slice = float(tissue['START_SLICE'])
data_spacing = [pixel_size, pixel_size, spacing]
data_origin = [-(columns / 2.0) * pixel_size, -(rows / 2.0) * pixel_size, start_slice * spacing]
#
# adjust y bounds for PNM coordinate system
#
tmp = voi[2]
voi[2] = rows - voi[3] - 1
voi[3] = rows - tmp - 1
if tissue['NAME'] == 'skin':
fn = frog_fn
else:
fn = frog_tissue_fn
reader = vtk.vtkMetaImageReader()
reader.SetFileName(str(fn))
reader.SetDataSpacing(data_spacing)
reader.SetDataOrigin(data_origin)
reader.SetDataExtent(voi)
reader.Update()
last_connection = reader
if not tissue['NAME'] == 'skin':
if tissue['ISLAND_REPLACE'] >= 0:
island_remover = vtk.vtkImageIslandRemoval2D()
island_remover.SetAreaThreshold(tissue['ISLAND_AREA'])
island_remover.SetIslandValue(tissue['ISLAND_REPLACE'])
island_remover.SetReplaceValue(tissue['TISSUE'])
island_remover.SetInput(last_connection.GetOutput())
island_remover.Update()
last_connection = island_remover
select_tissue = vtk.vtkImageThreshold()
select_tissue.ThresholdBetween(tissue['TISSUE'], tissue['TISSUE'])
select_tissue.SetInValue(255)
select_tissue.SetOutValue(0)
select_tissue.SetInputConnection(last_connection.GetOutputPort())
last_connection = select_tissue
shrinker = vtk.vtkImageShrink3D()
shrinker.SetInputConnection(last_connection.GetOutputPort())
shrinker.SetShrinkFactors(tissue['SAMPLE_RATE'])
shrinker.AveragingOn()
last_connection = shrinker
if not all(v == 0 for v in tissue['GAUSSIAN_STANDARD_DEVIATION']):
gaussian = vtk.vtkImageGaussianSmooth()
gaussian.SetStandardDeviation(*tissue['GAUSSIAN_STANDARD_DEVIATION'])
gaussian.SetRadiusFactors(*tissue['GAUSSIAN_RADIUS_FACTORS'])
gaussian.SetInputConnection(shrinker.GetOutputPort())
last_connection = gaussian
# Time the isocontouring.
ict = collections.defaultdict()
iso_value = tissue['VALUE']
if flying_edges:
iso_surface = vtk.vtkFlyingEdges3D()
iso_surface.SetInputConnection(last_connection.GetOutputPort())
iso_surface.ComputeScalarsOff()
iso_surface.ComputeGradientsOff()
iso_surface.ComputeNormalsOff()
iso_surface.SetValue(0, iso_value)
timer = vtk.vtkExecutionTimer()
timer.SetFilter(iso_surface)
iso_surface.Update()
ict['Flying Edges'] = timer.GetElapsedWallClockTime()
else:
iso_surface = vtk.vtkMarchingCubes()
iso_surface.SetInputConnection(last_connection.GetOutputPort())
iso_surface.ComputeScalarsOff()
iso_surface.ComputeGradientsOff()
iso_surface.ComputeNormalsOff()
iso_surface.SetValue(0, iso_value)
timer = vtk.vtkExecutionTimer()
timer.SetFilter(iso_surface)
iso_surface.Update()
ict['Marching Cubes'] = timer.GetElapsedWallClockTime()
so = SliceOrder()
# transform = so.get(tissue['SLICE_ORDER'])
# Match Frog.py
transform = so.get('hfap')
transform.Scale(1, -1, 1)
tf = vtk.vtkTransformPolyDataFilter()
tf.SetTransform(transform)
tf.SetInputConnection(iso_surface.GetOutputPort())
last_connection = tf
if decimate:
decimator = vtk.vtkDecimatePro()
decimator.SetInputConnection(last_connection.GetOutputPort())
decimator.SetFeatureAngle(tissue['DECIMATE_ANGLE'])
decimator.MaximumIterations = tissue['DECIMATE_ITERATIONS']
decimator.PreserveTopologyOn()
decimator.SetErrorIsAbsolute(1)
decimator.SetAbsoluteError(tissue['DECIMATE_ERROR'])
decimator.SetTargetReduction(tissue['DECIMATE_REDUCTION'])
last_connection = decimator
smoother = vtk.vtkWindowedSincPolyDataFilter()
smoother.SetInputConnection(last_connection.GetOutputPort())
smoother.SetNumberOfIterations(tissue['SMOOTH_ITERATIONS'])
smoother.BoundarySmoothingOff()
smoother.FeatureEdgeSmoothingOff()
smoother.SetFeatureAngle(tissue['SMOOTH_ANGLE'])
smoother.SetPassBand(tissue['SMOOTH_FACTOR'])
smoother.NonManifoldSmoothingOn()
smoother.NormalizeCoordinatesOff()
smoother.Update()
normals = vtk.vtkPolyDataNormals()
normals.SetInputConnection(smoother.GetOutputPort())
normals.SetFeatureAngle(tissue['FEATURE_ANGLE'])
stripper = vtk.vtkStripper()
stripper.SetInputConnection(normals.GetOutputPort())
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(stripper.GetOutputPort())
# Create iso-surface
contour = vtk.vtkContourFilter()
contour.SetInputConnection(reader.GetOutputPort())
contour.SetValue(0, iso_value)
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetOpacity(tissue['OPACITY'])
actor.GetProperty().SetDiffuseColor(lut.GetTableValue(tissue['TISSUE'])[:3])
actor.GetProperty().SetSpecular(0.5)
actor.GetProperty().SetSpecularPower(10)
return ict, actor
lut.SetSaturationRange(1.0, 0) lut.SetValueRange(0.5, 1.0) demModel = vtk.vtkDEMReader() demModel.SetFileName(VTK_DATA_ROOT + "/Data/SainteHelens.dem") demModel.Update() print(demModel) lo = Scale * demModel.GetElevationBounds()[0] hi = Scale * demModel.GetElevationBounds()[1] demActor = vtk.vtkLODActor() # create a pipeline for each lod mapper shrink16 = vtk.vtkImageShrink3D() shrink16.SetShrinkFactors(16, 16, 1) shrink16.SetInputConnection(demModel.GetOutputPort()) shrink16.AveragingOn() geom16 = vtk.vtkImageDataGeometryFilter() geom16.SetInputConnection(shrink16.GetOutputPort()) geom16.ReleaseDataFlagOn() warp16 = vtk.vtkWarpScalar() warp16.SetInputConnection(geom16.GetOutputPort()) warp16.SetNormal(0, 0, 1) warp16.UseNormalOn() warp16.SetScaleFactor(Scale) warp16.ReleaseDataFlagOn()
def testAllBlends(self):
# This script calculates the luminance of an image
renWin = vtk.vtkRenderWindow()
renWin.SetSize(512, 256)
# Image pipeline
image1 = vtk.vtkTIFFReader()
image1.SetFileName(VTK_DATA_ROOT + "/Data/beach.tif")
# "beach.tif" image contains ORIENTATION tag which is
# ORIENTATION_TOPLEFT (row 0 top, col 0 lhs) type. The TIFF
# reader parses this tag and sets the internal TIFF image
# orientation accordingly. To overwrite this orientation with a vtk
# convention of ORIENTATION_BOTLEFT (row 0 bottom, col 0 lhs ), invoke
# SetOrientationType method with parameter value of 4.
image1.SetOrientationType(4)
image2 = vtk.vtkBMPReader()
image2.SetFileName(VTK_DATA_ROOT + "/Data/masonry.bmp")
# shrink the images to a reasonable size
color = vtk.vtkImageShrink3D()
color.SetInputConnection(image1.GetOutputPort())
color.SetShrinkFactors(2, 2, 1)
backgroundColor = vtk.vtkImageShrink3D()
backgroundColor.SetInputConnection(image2.GetOutputPort())
backgroundColor.SetShrinkFactors(2, 2, 1)
# create a greyscale version
luminance = vtk.vtkImageLuminance()
luminance.SetInputConnection(color.GetOutputPort())
backgroundLuminance = vtk.vtkImageLuminance()
backgroundLuminance.SetInputConnection(backgroundColor.GetOutputPort())
# create an alpha mask
table = vtk.vtkLookupTable()
table.SetTableRange(220, 255)
table.SetValueRange(1, 0)
table.SetSaturationRange(0, 0)
table.Build()
alpha = vtk.vtkImageMapToColors()
alpha.SetInputConnection(luminance.GetOutputPort())
alpha.SetLookupTable(table)
alpha.SetOutputFormatToLuminance()
# make luminanceAlpha and colorAlpha versions
luminanceAlpha = vtk.vtkImageAppendComponents()
luminanceAlpha.AddInputConnection(luminance.GetOutputPort())
luminanceAlpha.AddInputConnection(alpha.GetOutputPort())
colorAlpha = vtk.vtkImageAppendComponents()
colorAlpha.AddInputConnection(color.GetOutputPort())
colorAlpha.AddInputConnection(alpha.GetOutputPort())
foregrounds = ["luminance", "luminanceAlpha", "color", "colorAlpha"]
backgrounds = ["backgroundColor", "backgroundLuminance"]
deltaX = 1.0 / 4.0
deltaY = 1.0 / 2.0
blend = dict()
mapper = dict()
actor = dict()
imager = dict()
for row, bg in enumerate(backgrounds):
for column, fg in enumerate(foregrounds):
blend.update({bg:{fg:vtk.vtkImageBlend()}})
blend[bg][fg].AddInputConnection(eval(bg + '.GetOutputPort()'))
if bg == "backgroundColor" or fg == "luminance" or fg == "luminanceAlpha":
blend[bg][fg].AddInputConnection(eval(fg + '.GetOutputPort()'))
blend[bg][fg].SetOpacity(1, 0.8)
mapper.update({bg:{fg:vtk.vtkImageMapper()}})
mapper[bg][fg].SetInputConnection(blend[bg][fg].GetOutputPort())
mapper[bg][fg].SetColorWindow(255)
mapper[bg][fg].SetColorLevel(127.5)
actor.update({bg:{fg:vtk.vtkActor2D()}})
actor[bg][fg].SetMapper(mapper[bg][fg])
imager.update({bg:{fg:vtk.vtkRenderer()}})
imager[bg][fg].AddActor2D(actor[bg][fg])
imager[bg][fg].SetViewport(column * deltaX, row * deltaY, (column + 1) * deltaX, (row + 1) * deltaY)
renWin.AddRenderer(imager[bg][fg])
column += 1
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin);
renWin.Render()
img_file = "TestAllBlends.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
def testAllBlendsFloat(self):
# This script blends images that consist of float data
renWin = vtk.vtkRenderWindow()
renWin.SetSize(512, 256)
# Image pipeline
inputImage = vtk.vtkTIFFReader()
inputImage.SetFileName(VTK_DATA_ROOT + "/Data/beach.tif")
# "beach.tif" image contains ORIENTATION tag which is
# ORIENTATION_TOPLEFT (row 0 top, col 0 lhs) type. The TIFF
# reader parses this tag and sets the internal TIFF image
# orientation accordingly. To overwrite this orientation with a vtk
# convention of ORIENTATION_BOTLEFT (row 0 bottom, col 0 lhs ), invoke
# SetOrientationType method with parameter value of 4.
inputImage.SetOrientationType(4)
inputImage2 = vtk.vtkBMPReader()
inputImage2.SetFileName(VTK_DATA_ROOT + "/Data/masonry.bmp")
# shrink the images to a reasonable size
shrink1 = vtk.vtkImageShrink3D()
shrink1.SetInputConnection(inputImage.GetOutputPort())
shrink1.SetShrinkFactors(2, 2, 1)
shrink2 = vtk.vtkImageShrink3D()
shrink2.SetInputConnection(inputImage2.GetOutputPort())
shrink2.SetShrinkFactors(2, 2, 1)
color = vtk.vtkImageShiftScale()
color.SetOutputScalarTypeToFloat()
color.SetShift(0)
color.SetScale(1.0 / 255)
color.SetInputConnection(shrink1.GetOutputPort())
backgroundColor = vtk.vtkImageShiftScale()
backgroundColor.SetOutputScalarTypeToFloat()
backgroundColor.SetShift(0)
backgroundColor.SetScale(1.0 / 255)
backgroundColor.SetInputConnection(shrink2.GetOutputPort())
# create a greyscale version
luminance = vtk.vtkImageLuminance()
luminance.SetInputConnection(color.GetOutputPort())
backgroundLuminance = vtk.vtkImageLuminance()
backgroundLuminance.SetInputConnection(backgroundColor.GetOutputPort())
# create an alpha mask
alpha = vtk.vtkImageThreshold()
alpha.SetInputConnection(luminance.GetOutputPort())
alpha.ThresholdByLower(0.9)
alpha.SetInValue(1.0)
alpha.SetOutValue(0.0)
# make luminanceAlpha and colorAlpha versions
luminanceAlpha = vtk.vtkImageAppendComponents()
luminanceAlpha.AddInputConnection(luminance.GetOutputPort())
luminanceAlpha.AddInputConnection(alpha.GetOutputPort())
colorAlpha = vtk.vtkImageAppendComponents()
colorAlpha.AddInputConnection(color.GetOutputPort())
colorAlpha.AddInputConnection(alpha.GetOutputPort())
foregrounds = ["luminance", "luminanceAlpha", "color", "colorAlpha"]
backgrounds = ["backgroundColor", "backgroundLuminance"]
deltaX = 1.0 / 4.0
deltaY = 1.0 / 2.0
blend = dict()
mapper = dict()
actor = dict()
imager = dict()
for row, bg in enumerate(backgrounds):
for column, fg in enumerate(foregrounds):
blend.update({bg:{fg:vtk.vtkImageBlend()}})
blend[bg][fg].AddInputConnection(eval(bg + '.GetOutputPort()'))
if bg == "backgroundColor" or fg == "luminance" or fg == "luminanceAlpha":
blend[bg][fg].AddInputConnection(eval(fg + '.GetOutputPort()'))
blend[bg][fg].SetOpacity(1, 0.8)
mapper.update({bg:{fg:vtk.vtkImageMapper()}})
mapper[bg][fg].SetInputConnection(blend[bg][fg].GetOutputPort())
mapper[bg][fg].SetColorWindow(1.0)
mapper[bg][fg].SetColorLevel(0.5)
actor.update({bg:{fg:vtk.vtkActor2D()}})
actor[bg][fg].SetMapper(mapper[bg][fg])
imager.update({bg:{fg:vtk.vtkRenderer()}})
imager[bg][fg].AddActor2D(actor[bg][fg])
imager[bg][fg].SetViewport(column * deltaX, row * deltaY, (column + 1) * deltaX, (row + 1) * deltaY)
renWin.AddRenderer(imager[bg][fg])
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin);
renWin.Render()
img_file = "TestAllBlendsFloat.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
def testSphereWidget(self):
# This example demonstrates how to use the vtkSphereWidget to control the
# position of a light.
# These are the pre-recorded events
Recording = \
"# StreamVersion 1\n\
CharEvent 23 266 0 0 105 1 i\n\
KeyReleaseEvent 23 266 0 0 105 1 i\n\
EnterEvent 69 294 0 0 0 0 i\n\
MouseMoveEvent 69 294 0 0 0 0 i\n\
MouseMoveEvent 68 293 0 0 0 0 i\n\
MouseMoveEvent 67 292 0 0 0 0 i\n\
MouseMoveEvent 66 289 0 0 0 0 i\n\
MouseMoveEvent 66 282 0 0 0 0 i\n\
MouseMoveEvent 66 271 0 0 0 0 i\n\
MouseMoveEvent 69 253 0 0 0 0 i\n\
MouseMoveEvent 71 236 0 0 0 0 i\n\
MouseMoveEvent 74 219 0 0 0 0 i\n\
MouseMoveEvent 76 208 0 0 0 0 i\n\
MouseMoveEvent 78 190 0 0 0 0 i\n\
MouseMoveEvent 78 173 0 0 0 0 i\n\
MouseMoveEvent 77 162 0 0 0 0 i\n\
MouseMoveEvent 77 151 0 0 0 0 i\n\
MouseMoveEvent 77 139 0 0 0 0 i\n\
MouseMoveEvent 76 125 0 0 0 0 i\n\
MouseMoveEvent 73 114 0 0 0 0 i\n\
MouseMoveEvent 73 106 0 0 0 0 i\n\
MouseMoveEvent 73 101 0 0 0 0 i\n\
MouseMoveEvent 72 95 0 0 0 0 i\n\
MouseMoveEvent 72 92 0 0 0 0 i\n\
MouseMoveEvent 70 89 0 0 0 0 i\n\
MouseMoveEvent 69 86 0 0 0 0 i\n\
MouseMoveEvent 67 84 0 0 0 0 i\n\
MouseMoveEvent 65 81 0 0 0 0 i\n\
MouseMoveEvent 60 79 0 0 0 0 i\n\
MouseMoveEvent 59 79 0 0 0 0 i\n\
MouseMoveEvent 58 79 0 0 0 0 i\n\
MouseMoveEvent 57 78 0 0 0 0 i\n\
MouseMoveEvent 55 78 0 0 0 0 i\n\
MouseMoveEvent 54 77 0 0 0 0 i\n\
LeftButtonPressEvent 54 77 0 0 0 0 i\n\
MouseMoveEvent 61 79 0 0 0 0 i\n\
MouseMoveEvent 67 83 0 0 0 0 i\n\
MouseMoveEvent 72 88 0 0 0 0 i\n\
MouseMoveEvent 77 90 0 0 0 0 i\n\
MouseMoveEvent 78 91 0 0 0 0 i\n\
MouseMoveEvent 80 92 0 0 0 0 i\n\
MouseMoveEvent 84 93 0 0 0 0 i\n\
MouseMoveEvent 85 94 0 0 0 0 i\n\
MouseMoveEvent 88 97 0 0 0 0 i\n\
MouseMoveEvent 90 100 0 0 0 0 i\n\
MouseMoveEvent 92 102 0 0 0 0 i\n\
MouseMoveEvent 94 103 0 0 0 0 i\n\
MouseMoveEvent 97 105 0 0 0 0 i\n\
MouseMoveEvent 101 107 0 0 0 0 i\n\
MouseMoveEvent 102 109 0 0 0 0 i\n\
MouseMoveEvent 104 111 0 0 0 0 i\n\
MouseMoveEvent 108 113 0 0 0 0 i\n\
MouseMoveEvent 112 115 0 0 0 0 i\n\
MouseMoveEvent 118 119 0 0 0 0 i\n\
MouseMoveEvent 118 120 0 0 0 0 i\n\
MouseMoveEvent 118 123 0 0 0 0 i\n\
MouseMoveEvent 120 125 0 0 0 0 i\n\
MouseMoveEvent 122 128 0 0 0 0 i\n\
MouseMoveEvent 123 129 0 0 0 0 i\n\
MouseMoveEvent 125 132 0 0 0 0 i\n\
MouseMoveEvent 125 134 0 0 0 0 i\n\
MouseMoveEvent 127 138 0 0 0 0 i\n\
MouseMoveEvent 127 142 0 0 0 0 i\n\
MouseMoveEvent 127 147 0 0 0 0 i\n\
MouseMoveEvent 126 152 0 0 0 0 i\n\
MouseMoveEvent 126 155 0 0 0 0 i\n\
MouseMoveEvent 125 160 0 0 0 0 i\n\
MouseMoveEvent 125 167 0 0 0 0 i\n\
MouseMoveEvent 125 169 0 0 0 0 i\n\
MouseMoveEvent 125 174 0 0 0 0 i\n\
MouseMoveEvent 122 179 0 0 0 0 i\n\
MouseMoveEvent 120 183 0 0 0 0 i\n\
MouseMoveEvent 116 187 0 0 0 0 i\n\
MouseMoveEvent 113 192 0 0 0 0 i\n\
MouseMoveEvent 113 193 0 0 0 0 i\n\
MouseMoveEvent 111 195 0 0 0 0 i\n\
MouseMoveEvent 108 198 0 0 0 0 i\n\
MouseMoveEvent 106 200 0 0 0 0 i\n\
MouseMoveEvent 104 202 0 0 0 0 i\n\
MouseMoveEvent 103 203 0 0 0 0 i\n\
MouseMoveEvent 99 205 0 0 0 0 i\n\
MouseMoveEvent 97 207 0 0 0 0 i\n\
MouseMoveEvent 94 208 0 0 0 0 i\n\
MouseMoveEvent 91 210 0 0 0 0 i\n\
MouseMoveEvent 89 211 0 0 0 0 i\n\
MouseMoveEvent 86 211 0 0 0 0 i\n\
MouseMoveEvent 84 211 0 0 0 0 i\n\
MouseMoveEvent 80 211 0 0 0 0 i\n\
MouseMoveEvent 77 211 0 0 0 0 i\n\
MouseMoveEvent 75 211 0 0 0 0 i\n\
MouseMoveEvent 71 211 0 0 0 0 i\n\
MouseMoveEvent 68 211 0 0 0 0 i\n\
MouseMoveEvent 66 210 0 0 0 0 i\n\
MouseMoveEvent 62 210 0 0 0 0 i\n\
MouseMoveEvent 58 209 0 0 0 0 i\n\
MouseMoveEvent 54 207 0 0 0 0 i\n\
MouseMoveEvent 52 204 0 0 0 0 i\n\
MouseMoveEvent 51 203 0 0 0 0 i\n\
MouseMoveEvent 51 200 0 0 0 0 i\n\
MouseMoveEvent 48 196 0 0 0 0 i\n\
MouseMoveEvent 45 187 0 0 0 0 i\n\
MouseMoveEvent 45 181 0 0 0 0 i\n\
MouseMoveEvent 44 168 0 0 0 0 i\n\
MouseMoveEvent 40 161 0 0 0 0 i\n\
MouseMoveEvent 39 154 0 0 0 0 i\n\
MouseMoveEvent 38 146 0 0 0 0 i\n\
MouseMoveEvent 35 131 0 0 0 0 i\n\
MouseMoveEvent 34 121 0 0 0 0 i\n\
MouseMoveEvent 34 110 0 0 0 0 i\n\
MouseMoveEvent 34 103 0 0 0 0 i\n\
MouseMoveEvent 34 91 0 0 0 0 i\n\
MouseMoveEvent 34 86 0 0 0 0 i\n\
MouseMoveEvent 34 73 0 0 0 0 i\n\
MouseMoveEvent 35 66 0 0 0 0 i\n\
MouseMoveEvent 37 60 0 0 0 0 i\n\
MouseMoveEvent 37 53 0 0 0 0 i\n\
MouseMoveEvent 38 50 0 0 0 0 i\n\
MouseMoveEvent 38 48 0 0 0 0 i\n\
MouseMoveEvent 41 45 0 0 0 0 i\n\
MouseMoveEvent 43 45 0 0 0 0 i\n\
MouseMoveEvent 44 45 0 0 0 0 i\n\
MouseMoveEvent 47 43 0 0 0 0 i\n\
MouseMoveEvent 51 44 0 0 0 0 i\n\
MouseMoveEvent 54 44 0 0 0 0 i\n\
MouseMoveEvent 55 44 0 0 0 0 i\n\
MouseMoveEvent 59 44 0 0 0 0 i\n\
MouseMoveEvent 64 44 0 0 0 0 i\n\
MouseMoveEvent 67 44 0 0 0 0 i\n\
MouseMoveEvent 68 44 0 0 0 0 i\n\
MouseMoveEvent 71 44 0 0 0 0 i\n\
MouseMoveEvent 74 44 0 0 0 0 i\n\
MouseMoveEvent 77 44 0 0 0 0 i\n\
MouseMoveEvent 80 45 0 0 0 0 i\n\
MouseMoveEvent 81 45 0 0 0 0 i\n\
MouseMoveEvent 85 49 0 0 0 0 i\n\
MouseMoveEvent 89 50 0 0 0 0 i\n\
MouseMoveEvent 94 52 0 0 0 0 i\n\
MouseMoveEvent 99 56 0 0 0 0 i\n\
MouseMoveEvent 104 58 0 0 0 0 i\n\
MouseMoveEvent 107 61 0 0 0 0 i\n\
MouseMoveEvent 109 63 0 0 0 0 i\n\
MouseMoveEvent 109 67 0 0 0 0 i\n\
MouseMoveEvent 111 83 0 0 0 0 i\n\
MouseMoveEvent 113 86 0 0 0 0 i\n\
MouseMoveEvent 113 87 0 0 0 0 i\n\
MouseMoveEvent 113 89 0 0 0 0 i\n\
MouseMoveEvent 112 93 0 0 0 0 i\n\
MouseMoveEvent 112 97 0 0 0 0 i\n\
MouseMoveEvent 111 104 0 0 0 0 i\n\
MouseMoveEvent 112 108 0 0 0 0 i\n\
MouseMoveEvent 116 115 0 0 0 0 i\n\
MouseMoveEvent 116 123 0 0 0 0 i\n\
MouseMoveEvent 116 129 0 0 0 0 i\n\
MouseMoveEvent 119 138 0 0 0 0 i\n\
MouseMoveEvent 122 141 0 0 0 0 i\n\
MouseMoveEvent 127 148 0 0 0 0 i\n\
MouseMoveEvent 128 161 0 0 0 0 i\n\
MouseMoveEvent 131 166 0 0 0 0 i\n\
MouseMoveEvent 134 168 0 0 0 0 i\n\
MouseMoveEvent 135 171 0 0 0 0 i\n\
MouseMoveEvent 134 174 0 0 0 0 i\n\
MouseMoveEvent 132 176 0 0 0 0 i\n\
MouseMoveEvent 132 178 0 0 0 0 i\n\
MouseMoveEvent 129 180 0 0 0 0 i\n\
MouseMoveEvent 127 182 0 0 0 0 i\n\
MouseMoveEvent 124 185 0 0 0 0 i\n\
MouseMoveEvent 122 186 0 0 0 0 i\n\
MouseMoveEvent 118 189 0 0 0 0 i\n\
MouseMoveEvent 114 191 0 0 0 0 i\n\
MouseMoveEvent 114 193 0 0 0 0 i\n\
MouseMoveEvent 112 193 0 0 0 0 i\n\
MouseMoveEvent 111 194 0 0 0 0 i\n\
MouseMoveEvent 110 197 0 0 0 0 i\n\
MouseMoveEvent 110 198 0 0 0 0 i\n\
MouseMoveEvent 109 199 0 0 0 0 i\n\
MouseMoveEvent 108 200 0 0 0 0 i\n\
MouseMoveEvent 108 201 0 0 0 0 i\n\
MouseMoveEvent 108 202 0 0 0 0 i\n\
MouseMoveEvent 108 203 0 0 0 0 i\n\
MouseMoveEvent 104 206 0 0 0 0 i\n\
LeftButtonReleaseEvent 104 206 0 0 0 0 i\n\
MouseMoveEvent 104 205 0 0 0 0 i\n\
MouseMoveEvent 104 204 0 0 0 0 i\n\
MouseMoveEvent 105 205 0 0 0 0 i\n\
MouseMoveEvent 105 206 0 0 0 0 i\n\
"
# Start by loading some data.
#
dem = vtk.vtkDEMReader()
dem.SetFileName(VTK_DATA_ROOT + "/Data/SainteHelens.dem")
dem.Update()
Scale = 2
lut = vtk.vtkLookupTable()
lut.SetHueRange(0.6, 0)
lut.SetSaturationRange(1.0, 0)
lut.SetValueRange(0.5, 1.0)
lo = Scale * dem.GetElevationBounds()[0]
hi = Scale * dem.GetElevationBounds()[1]
shrink = vtk.vtkImageShrink3D()
shrink.SetShrinkFactors(4, 4, 1)
shrink.SetInputConnection(dem.GetOutputPort())
shrink.AveragingOn()
geom = vtk.vtkImageDataGeometryFilter()
geom.SetInputConnection(shrink.GetOutputPort())
geom.ReleaseDataFlagOn()
warp = vtk.vtkWarpScalar()
warp.SetInputConnection(geom.GetOutputPort())
warp.SetNormal(0, 0, 1)
warp.UseNormalOn()
warp.SetScaleFactor(Scale)
warp.ReleaseDataFlagOn()
elevation = vtk.vtkElevationFilter()
elevation.SetInputConnection(warp.GetOutputPort())
elevation.SetLowPoint(0, 0, lo)
elevation.SetHighPoint(0, 0, hi)
elevation.SetScalarRange(lo, hi)
elevation.ReleaseDataFlagOn()
normals = vtk.vtkPolyDataNormals()
normals.SetInputConnection(elevation.GetOutputPort())
normals.SetFeatureAngle(60)
normals.ConsistencyOff()
normals.SplittingOff()
normals.ReleaseDataFlagOn()
normals.Update()
demMapper = vtk.vtkPolyDataMapper()
demMapper.SetInputConnection(normals.GetOutputPort())
demMapper.SetScalarRange(lo, hi)
demMapper.SetLookupTable(lut)
demActor = vtk.vtkActor()
demActor.SetMapper(demMapper)
# Create the RenderWindow, Renderer and both Actors
#
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.SetMultiSamples(0)
renWin.AddRenderer(ren)
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
iRen.LightFollowCameraOff()
# iRen.SetInteractorStyle("")
# The callback takes two arguments.
# The first being the object that generates the event and
# the second argument the event name (which is a string).
def MoveLight(widget, event_string):
light.SetPosition(rep.GetHandlePosition())
# Associate the line widget with the interactor
rep = vtk.vtkSphereRepresentation()
rep.SetPlaceFactor(4)
rep.PlaceWidget(normals.GetOutput().GetBounds())
rep.HandleVisibilityOn()
rep.SetRepresentationToWireframe()
# rep HandleVisibilityOff
# rep HandleTextOff
sphereWidget = vtk.vtkSphereWidget2()
sphereWidget.SetInteractor(iRen)
sphereWidget.SetRepresentation(rep)
# sphereWidget.TranslationEnabledOff()
# sphereWidget.ScalingEnabledOff()
sphereWidget.AddObserver("InteractionEvent", MoveLight)
recorder = vtk.vtkInteractorEventRecorder()
recorder.SetInteractor(iRen)
# recorder.SetFileName("c:/record.log")
# recorder.Record()
recorder.ReadFromInputStringOn()
recorder.SetInputString(Recording)
# Add the actors to the renderer, set the background and size
#
ren.AddActor(demActor)
ren.SetBackground(1, 1, 1)
renWin.SetSize(300, 300)
ren.SetBackground(0.1, 0.2, 0.4)
cam1 = ren.GetActiveCamera()
cam1.SetViewUp(0, 0, 1)
cam1.SetFocalPoint(dem.GetOutput().GetCenter())
cam1.SetPosition(1, 0, 0)
ren.ResetCamera()
cam1.Elevation(25)
cam1.Azimuth(125)
cam1.Zoom(1.25)
light = vtk.vtkLight()
light.SetFocalPoint(rep.GetCenter())
light.SetPosition(rep.GetHandlePosition())
ren.AddLight(light)
iRen.Initialize()
renWin.Render()
# render the image
renWin.Render()
# Actually probe the data
recorder.Play()
img_file = "TestSphereWidget.png"
vtk.test.Testing.compareImage(
iRen.GetRenderWindow(),
vtk.test.Testing.getAbsImagePath(img_file),
threshold=25)
vtk.test.Testing.interact()
lut.SetHueRange(0.6, 0)
lut.SetSaturationRange(1.0, 0)
lut.SetValueRange(0.5, 1.0)
demModel = vtk.vtkDEMReader()
demModel.SetFileName("" + str(VTK_DATA_ROOT) + "/Data/SainteHelens.dem")
demModel.Update()
catch.catch(globals(), """#demModel.Print()""")
lo = expr.expr(globals(), locals(),
["Scale", "*", "lindex(demModel.GetElevationBounds(),0)"])
hi = expr.expr(globals(), locals(),
["Scale", "*", "lindex(demModel.GetElevationBounds(),1)"])
demActor = vtk.vtkLODActor()
# create a pipeline for each lod mapper
lods = "4 8 16"
for lod in lods.split():
locals()[get_variable_name("shrink", lod, "")] = vtk.vtkImageShrink3D()
locals()[get_variable_name("shrink", lod, "")].SetShrinkFactors(
expr.expr(globals(), locals(), ["int", "(", "lod", ")"]),
expr.expr(globals(), locals(), ["int", "(", "lod", ")"]), 1)
locals()[get_variable_name("shrink", lod, "")].SetInputConnection(
demModel.GetOutputPort())
locals()[get_variable_name("shrink", lod, "")].AveragingOn()
locals()[get_variable_name("geom", lod,
"")] = vtk.vtkImageDataGeometryFilter()
locals()[get_variable_name("geom", lod, "")].SetInputConnection(
locals()[get_variable_name("shrink", lod, "")].GetOutputPort())
locals()[get_variable_name("geom", lod, "")].ReleaseDataFlagOn()
locals()[get_variable_name("warp", lod, "")] = vtk.vtkWarpScalar()
locals()[get_variable_name("warp", lod, "")].SetInputConnection(
locals()[get_variable_name("geom", lod, "")].GetOutputPort())
locals()[get_variable_name("warp", lod, "")].SetNormal(0, 0, 1)
def testSphereWidget(self):
# This example demonstrates how to use the vtkSphereWidget to control the
# position of a light.
# These are the pre-recorded events
Recording = \
"# StreamVersion 1\n\
CharEvent 23 266 0 0 105 1 i\n\
KeyReleaseEvent 23 266 0 0 105 1 i\n\
EnterEvent 69 294 0 0 0 0 i\n\
MouseMoveEvent 69 294 0 0 0 0 i\n\
MouseMoveEvent 68 293 0 0 0 0 i\n\
MouseMoveEvent 67 292 0 0 0 0 i\n\
MouseMoveEvent 66 289 0 0 0 0 i\n\
MouseMoveEvent 66 282 0 0 0 0 i\n\
MouseMoveEvent 66 271 0 0 0 0 i\n\
MouseMoveEvent 69 253 0 0 0 0 i\n\
MouseMoveEvent 71 236 0 0 0 0 i\n\
MouseMoveEvent 74 219 0 0 0 0 i\n\
MouseMoveEvent 76 208 0 0 0 0 i\n\
MouseMoveEvent 78 190 0 0 0 0 i\n\
MouseMoveEvent 78 173 0 0 0 0 i\n\
MouseMoveEvent 77 162 0 0 0 0 i\n\
MouseMoveEvent 77 151 0 0 0 0 i\n\
MouseMoveEvent 77 139 0 0 0 0 i\n\
MouseMoveEvent 76 125 0 0 0 0 i\n\
MouseMoveEvent 73 114 0 0 0 0 i\n\
MouseMoveEvent 73 106 0 0 0 0 i\n\
MouseMoveEvent 73 101 0 0 0 0 i\n\
MouseMoveEvent 72 95 0 0 0 0 i\n\
MouseMoveEvent 72 92 0 0 0 0 i\n\
MouseMoveEvent 70 89 0 0 0 0 i\n\
MouseMoveEvent 69 86 0 0 0 0 i\n\
MouseMoveEvent 67 84 0 0 0 0 i\n\
MouseMoveEvent 65 81 0 0 0 0 i\n\
MouseMoveEvent 60 79 0 0 0 0 i\n\
MouseMoveEvent 59 79 0 0 0 0 i\n\
MouseMoveEvent 58 79 0 0 0 0 i\n\
MouseMoveEvent 57 78 0 0 0 0 i\n\
MouseMoveEvent 55 78 0 0 0 0 i\n\
MouseMoveEvent 54 77 0 0 0 0 i\n\
LeftButtonPressEvent 54 77 0 0 0 0 i\n\
MouseMoveEvent 61 79 0 0 0 0 i\n\
MouseMoveEvent 67 83 0 0 0 0 i\n\
MouseMoveEvent 72 88 0 0 0 0 i\n\
MouseMoveEvent 77 90 0 0 0 0 i\n\
MouseMoveEvent 78 91 0 0 0 0 i\n\
MouseMoveEvent 80 92 0 0 0 0 i\n\
MouseMoveEvent 84 93 0 0 0 0 i\n\
MouseMoveEvent 85 94 0 0 0 0 i\n\
MouseMoveEvent 88 97 0 0 0 0 i\n\
MouseMoveEvent 90 100 0 0 0 0 i\n\
MouseMoveEvent 92 102 0 0 0 0 i\n\
MouseMoveEvent 94 103 0 0 0 0 i\n\
MouseMoveEvent 97 105 0 0 0 0 i\n\
MouseMoveEvent 101 107 0 0 0 0 i\n\
MouseMoveEvent 102 109 0 0 0 0 i\n\
MouseMoveEvent 104 111 0 0 0 0 i\n\
MouseMoveEvent 108 113 0 0 0 0 i\n\
MouseMoveEvent 112 115 0 0 0 0 i\n\
MouseMoveEvent 118 119 0 0 0 0 i\n\
MouseMoveEvent 118 120 0 0 0 0 i\n\
MouseMoveEvent 118 123 0 0 0 0 i\n\
MouseMoveEvent 120 125 0 0 0 0 i\n\
MouseMoveEvent 122 128 0 0 0 0 i\n\
MouseMoveEvent 123 129 0 0 0 0 i\n\
MouseMoveEvent 125 132 0 0 0 0 i\n\
MouseMoveEvent 125 134 0 0 0 0 i\n\
MouseMoveEvent 127 138 0 0 0 0 i\n\
MouseMoveEvent 127 142 0 0 0 0 i\n\
MouseMoveEvent 127 147 0 0 0 0 i\n\
MouseMoveEvent 126 152 0 0 0 0 i\n\
MouseMoveEvent 126 155 0 0 0 0 i\n\
MouseMoveEvent 125 160 0 0 0 0 i\n\
MouseMoveEvent 125 167 0 0 0 0 i\n\
MouseMoveEvent 125 169 0 0 0 0 i\n\
MouseMoveEvent 125 174 0 0 0 0 i\n\
MouseMoveEvent 122 179 0 0 0 0 i\n\
MouseMoveEvent 120 183 0 0 0 0 i\n\
MouseMoveEvent 116 187 0 0 0 0 i\n\
MouseMoveEvent 113 192 0 0 0 0 i\n\
MouseMoveEvent 113 193 0 0 0 0 i\n\
MouseMoveEvent 111 195 0 0 0 0 i\n\
MouseMoveEvent 108 198 0 0 0 0 i\n\
MouseMoveEvent 106 200 0 0 0 0 i\n\
MouseMoveEvent 104 202 0 0 0 0 i\n\
MouseMoveEvent 103 203 0 0 0 0 i\n\
MouseMoveEvent 99 205 0 0 0 0 i\n\
MouseMoveEvent 97 207 0 0 0 0 i\n\
MouseMoveEvent 94 208 0 0 0 0 i\n\
MouseMoveEvent 91 210 0 0 0 0 i\n\
MouseMoveEvent 89 211 0 0 0 0 i\n\
MouseMoveEvent 86 211 0 0 0 0 i\n\
MouseMoveEvent 84 211 0 0 0 0 i\n\
MouseMoveEvent 80 211 0 0 0 0 i\n\
MouseMoveEvent 77 211 0 0 0 0 i\n\
MouseMoveEvent 75 211 0 0 0 0 i\n\
MouseMoveEvent 71 211 0 0 0 0 i\n\
MouseMoveEvent 68 211 0 0 0 0 i\n\
MouseMoveEvent 66 210 0 0 0 0 i\n\
MouseMoveEvent 62 210 0 0 0 0 i\n\
MouseMoveEvent 58 209 0 0 0 0 i\n\
MouseMoveEvent 54 207 0 0 0 0 i\n\
MouseMoveEvent 52 204 0 0 0 0 i\n\
MouseMoveEvent 51 203 0 0 0 0 i\n\
MouseMoveEvent 51 200 0 0 0 0 i\n\
MouseMoveEvent 48 196 0 0 0 0 i\n\
MouseMoveEvent 45 187 0 0 0 0 i\n\
MouseMoveEvent 45 181 0 0 0 0 i\n\
MouseMoveEvent 44 168 0 0 0 0 i\n\
MouseMoveEvent 40 161 0 0 0 0 i\n\
MouseMoveEvent 39 154 0 0 0 0 i\n\
MouseMoveEvent 38 146 0 0 0 0 i\n\
MouseMoveEvent 35 131 0 0 0 0 i\n\
MouseMoveEvent 34 121 0 0 0 0 i\n\
MouseMoveEvent 34 110 0 0 0 0 i\n\
MouseMoveEvent 34 103 0 0 0 0 i\n\
MouseMoveEvent 34 91 0 0 0 0 i\n\
MouseMoveEvent 34 86 0 0 0 0 i\n\
MouseMoveEvent 34 73 0 0 0 0 i\n\
MouseMoveEvent 35 66 0 0 0 0 i\n\
MouseMoveEvent 37 60 0 0 0 0 i\n\
MouseMoveEvent 37 53 0 0 0 0 i\n\
MouseMoveEvent 38 50 0 0 0 0 i\n\
MouseMoveEvent 38 48 0 0 0 0 i\n\
MouseMoveEvent 41 45 0 0 0 0 i\n\
MouseMoveEvent 43 45 0 0 0 0 i\n\
MouseMoveEvent 44 45 0 0 0 0 i\n\
MouseMoveEvent 47 43 0 0 0 0 i\n\
MouseMoveEvent 51 44 0 0 0 0 i\n\
MouseMoveEvent 54 44 0 0 0 0 i\n\
MouseMoveEvent 55 44 0 0 0 0 i\n\
MouseMoveEvent 59 44 0 0 0 0 i\n\
MouseMoveEvent 64 44 0 0 0 0 i\n\
MouseMoveEvent 67 44 0 0 0 0 i\n\
MouseMoveEvent 68 44 0 0 0 0 i\n\
MouseMoveEvent 71 44 0 0 0 0 i\n\
MouseMoveEvent 74 44 0 0 0 0 i\n\
MouseMoveEvent 77 44 0 0 0 0 i\n\
MouseMoveEvent 80 45 0 0 0 0 i\n\
MouseMoveEvent 81 45 0 0 0 0 i\n\
MouseMoveEvent 85 49 0 0 0 0 i\n\
MouseMoveEvent 89 50 0 0 0 0 i\n\
MouseMoveEvent 94 52 0 0 0 0 i\n\
MouseMoveEvent 99 56 0 0 0 0 i\n\
MouseMoveEvent 104 58 0 0 0 0 i\n\
MouseMoveEvent 107 61 0 0 0 0 i\n\
MouseMoveEvent 109 63 0 0 0 0 i\n\
MouseMoveEvent 109 67 0 0 0 0 i\n\
MouseMoveEvent 111 83 0 0 0 0 i\n\
MouseMoveEvent 113 86 0 0 0 0 i\n\
MouseMoveEvent 113 87 0 0 0 0 i\n\
MouseMoveEvent 113 89 0 0 0 0 i\n\
MouseMoveEvent 112 93 0 0 0 0 i\n\
MouseMoveEvent 112 97 0 0 0 0 i\n\
MouseMoveEvent 111 104 0 0 0 0 i\n\
MouseMoveEvent 112 108 0 0 0 0 i\n\
MouseMoveEvent 116 115 0 0 0 0 i\n\
MouseMoveEvent 116 123 0 0 0 0 i\n\
MouseMoveEvent 116 129 0 0 0 0 i\n\
MouseMoveEvent 119 138 0 0 0 0 i\n\
MouseMoveEvent 122 141 0 0 0 0 i\n\
MouseMoveEvent 127 148 0 0 0 0 i\n\
MouseMoveEvent 128 161 0 0 0 0 i\n\
MouseMoveEvent 131 166 0 0 0 0 i\n\
MouseMoveEvent 134 168 0 0 0 0 i\n\
MouseMoveEvent 135 171 0 0 0 0 i\n\
MouseMoveEvent 134 174 0 0 0 0 i\n\
MouseMoveEvent 132 176 0 0 0 0 i\n\
MouseMoveEvent 132 178 0 0 0 0 i\n\
MouseMoveEvent 129 180 0 0 0 0 i\n\
MouseMoveEvent 127 182 0 0 0 0 i\n\
MouseMoveEvent 124 185 0 0 0 0 i\n\
MouseMoveEvent 122 186 0 0 0 0 i\n\
MouseMoveEvent 118 189 0 0 0 0 i\n\
MouseMoveEvent 114 191 0 0 0 0 i\n\
MouseMoveEvent 114 193 0 0 0 0 i\n\
MouseMoveEvent 112 193 0 0 0 0 i\n\
MouseMoveEvent 111 194 0 0 0 0 i\n\
MouseMoveEvent 110 197 0 0 0 0 i\n\
MouseMoveEvent 110 198 0 0 0 0 i\n\
MouseMoveEvent 109 199 0 0 0 0 i\n\
MouseMoveEvent 108 200 0 0 0 0 i\n\
MouseMoveEvent 108 201 0 0 0 0 i\n\
MouseMoveEvent 108 202 0 0 0 0 i\n\
MouseMoveEvent 108 203 0 0 0 0 i\n\
MouseMoveEvent 104 206 0 0 0 0 i\n\
LeftButtonReleaseEvent 104 206 0 0 0 0 i\n\
MouseMoveEvent 104 205 0 0 0 0 i\n\
MouseMoveEvent 104 204 0 0 0 0 i\n\
MouseMoveEvent 105 205 0 0 0 0 i\n\
MouseMoveEvent 105 206 0 0 0 0 i\n\
"
# Start by loading some data.
#
dem = vtk.vtkDEMReader()
dem.SetFileName(VTK_DATA_ROOT + "/Data/SainteHelens.dem")
dem.Update()
Scale = 2
lut = vtk.vtkLookupTable()
lut.SetHueRange(0.6, 0)
lut.SetSaturationRange(1.0, 0)
lut.SetValueRange(0.5, 1.0)
lo = Scale * dem.GetElevationBounds()[0]
hi = Scale * dem.GetElevationBounds()[1]
shrink = vtk.vtkImageShrink3D()
shrink.SetShrinkFactors(4, 4, 1)
shrink.SetInputConnection(dem.GetOutputPort())
shrink.AveragingOn()
geom = vtk.vtkImageDataGeometryFilter()
geom.SetInputConnection(shrink.GetOutputPort())
geom.ReleaseDataFlagOn()
warp = vtk.vtkWarpScalar()
warp.SetInputConnection(geom.GetOutputPort())
warp.SetNormal(0, 0, 1)
warp.UseNormalOn()
warp.SetScaleFactor(Scale)
warp.ReleaseDataFlagOn()
elevation = vtk.vtkElevationFilter()
elevation.SetInputConnection(warp.GetOutputPort())
elevation.SetLowPoint(0, 0, lo)
elevation.SetHighPoint(0, 0, hi)
elevation.SetScalarRange(lo, hi)
elevation.ReleaseDataFlagOn()
normals = vtk.vtkPolyDataNormals()
normals.SetInputConnection(elevation.GetOutputPort())
normals.SetFeatureAngle(60)
normals.ConsistencyOff()
normals.SplittingOff()
normals.ReleaseDataFlagOn()
normals.Update()
demMapper = vtk.vtkPolyDataMapper()
demMapper.SetInputConnection(normals.GetOutputPort())
demMapper.SetScalarRange(lo, hi)
demMapper.SetLookupTable(lut)
demActor = vtk.vtkActor()
demActor.SetMapper(demMapper)
# Create the RenderWindow, Renderer and both Actors
#
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.SetMultiSamples(0)
renWin.AddRenderer(ren)
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
iRen.LightFollowCameraOff()
# iRen.SetInteractorStyle("")
# The callback takes two arguments.
# The first being the object that generates the event and
# the second argument the event name (which is a string).
def MoveLight(widget, event_string):
light.SetPosition(rep.GetHandlePosition())
# Associate the line widget with the interactor
rep = vtk.vtkSphereRepresentation()
rep.SetPlaceFactor(4)
rep.PlaceWidget(normals.GetOutput().GetBounds())
rep.HandleVisibilityOn()
rep.SetRepresentationToWireframe()
# rep HandleVisibilityOff
# rep HandleTextOff
sphereWidget = vtk.vtkSphereWidget2()
sphereWidget.SetInteractor(iRen)
sphereWidget.SetRepresentation(rep)
# sphereWidget.TranslationEnabledOff()
# sphereWidget.ScalingEnabledOff()
sphereWidget.AddObserver("InteractionEvent", MoveLight)
recorder = vtk.vtkInteractorEventRecorder()
recorder.SetInteractor(iRen)
# recorder.SetFileName("c:/record.log")
# recorder.Record()
recorder.ReadFromInputStringOn()
recorder.SetInputString(Recording)
# Add the actors to the renderer, set the background and size
#
ren.AddActor(demActor)
ren.SetBackground(1, 1, 1)
renWin.SetSize(300, 300)
ren.SetBackground(0.1, 0.2, 0.4)
cam1 = ren.GetActiveCamera()
cam1.SetViewUp(0, 0, 1)
cam1.SetFocalPoint(dem.GetOutput().GetCenter())
cam1.SetPosition(1, 0, 0)
ren.ResetCamera()
cam1.Elevation(25)
cam1.Azimuth(125)
cam1.Zoom(1.25)
light = vtk.vtkLight()
light.SetFocalPoint(rep.GetCenter())
light.SetPosition(rep.GetHandlePosition())
ren.AddLight(light)
iRen.Initialize()
renWin.Render()
# render the image
renWin.Render()
# Actually probe the data
recorder.Play()
img_file = "TestSphereWidget.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
def testAllMaskBits(self):
# This script calculates the luminance of an image
renWin = vtk.vtkRenderWindow()
# Image pipeline
image1 = vtk.vtkTIFFReader()
image1.SetFileName(VTK_DATA_ROOT + "/Data/beach.tif")
# "beach.tif" image contains ORIENTATION tag which is
# ORIENTATION_TOPLEFT (row 0 top, col 0 lhs) type. The TIFF
# reader parses this tag and sets the internal TIFF image
# orientation accordingly. To overwrite this orientation with a vtk
# convention of ORIENTATION_BOTLEFT (row 0 bottom, col 0 lhs ), invoke
# SetOrientationType method with parameter value of 4.
image1.SetOrientationType(4)
shrink = vtk.vtkImageShrink3D()
shrink.SetInputConnection(image1.GetOutputPort())
shrink.SetShrinkFactors(2, 2, 1)
operators = ["ByPass", "And", "Nand", "Xor", "Or", "Nor"]
operator = dict()
mapper = dict()
actor = dict()
imager = dict()
for idx, op in enumerate(operators):
if op != "ByPass":
operator.update({idx: vtk.vtkImageMaskBits()})
operator[idx].SetInputConnection(shrink.GetOutputPort())
eval('operator[' + str(idx) + '].SetOperationTo' + op + '()')
operator[idx].SetMasks(255, 255, 0)
mapper.update({idx: vtk.vtkImageMapper()})
if op != "ByPass":
mapper[idx].SetInputConnection(operator[idx].GetOutputPort())
else:
mapper[idx].SetInputConnection(shrink.GetOutputPort())
mapper[idx].SetColorWindow(255)
mapper[idx].SetColorLevel(127.5)
actor.update({idx: vtk.vtkActor2D()})
actor[idx].SetMapper(mapper[idx])
imager.update({idx: vtk.vtkRenderer()})
imager[idx].AddActor2D(actor[idx])
renWin.AddRenderer(imager[idx])
column = 0
row = 0
deltaX = 1.0 / 3.0
deltaY = 1.0 / 2.0
for idx in range(len(operators)):
imager[idx].SetViewport(column * deltaX, row * deltaY, (column + 1) * deltaX, (row + 1) * deltaY)
column += 1
if column > 2:
column = 0
row += 1
renWin.SetSize(384, 256)
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin);
renWin.Render()
img_file = "TestAllMaskBits.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
dataImporter.SetDataScalarTypeToUnsignedChar()
dataImporter.SetNumberOfScalarComponents(1)
dataImporter.SetDataExtent(0, xSize - 1, 0, ySize - 1, 0, zSize - 1)
dataImporter.SetWholeExtent(0, xSize - 1, 0, ySize - 1, 0, zSize - 1)
dataImporter.SetDataExtentToWholeExtent()
#=============================================================================
# Smoothed pipeline.
smooth = vtk.vtkImageGaussianSmooth()
smooth.SetDimensionality(3)
smooth.SetInputConnection(dataImporter.GetOutputPort())
smooth.SetStandardDeviations(dv, dv, dv)
smooth.SetRadiusFactor(rf)
subsampleSmoothed = vtk.vtkImageShrink3D()
subsampleSmoothed.SetInputConnection(smooth.GetOutputPort())
subsampleSmoothed.SetShrinkFactors(4, 4, 1)
isoSmoothed = vtk.vtkImageMarchingCubes()
isoSmoothed.SetInputConnection(smooth.GetOutputPort())
isoSmoothed.SetValue(0, 10)
isoSmoothedMapper = vtk.vtkPolyDataMapper()
isoSmoothedMapper.SetInputConnection(isoSmoothed.GetOutputPort())
isoSmoothedMapper.ScalarVisibilityOff()
colors = vtk.vtkNamedColors()
colors.SetColor("ActorColor", [235, 235, 235, 255])
'''
threshold = vtk.vtkImageThreshold ()
image1.SetFileName(VTK_DATA_ROOT + "/Data/beach.tif") # "beach.tif" image contains ORIENTATION tag which is # ORIENTATION_TOPLEFT (row 0 top, col 0 lhs) type. The TIFF # reader parses this tag and sets the internal TIFF image # orientation accordingly. To overwrite this orientation with a vtk # convention of ORIENTATION_BOTLEFT (row 0 bottom, col 0 lhs ), invoke # SetOrientationType method with parameter value of 4. image1.SetOrientationType(4) image2 = vtk.vtkBMPReader() image2.SetFileName(VTK_DATA_ROOT + "/Data/masonry.bmp") # shrink the images to a reasonable size color = vtk.vtkImageShrink3D() color.SetInputConnection(image1.GetOutputPort()) color.SetShrinkFactors(2, 2, 1) backgroundColor = vtk.vtkImageShrink3D() backgroundColor.SetInputConnection(image2.GetOutputPort()) backgroundColor.SetShrinkFactors(2, 2, 1) # create a greyscale version luminance = vtk.vtkImageLuminance() luminance.SetInputConnection(color.GetOutputPort()) backgroundLuminance = vtk.vtkImageLuminance() backgroundLuminance.SetInputConnection(backgroundColor.GetOutputPort())