本文整理汇总了Python中vtk.vtkImageChangeInformation函数的典型用法代码示例。如果您正苦于以下问题：Python vtkImageChangeInformation函数的具体用法？Python vtkImageChangeInformation怎么用？Python vtkImageChangeInformation使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了vtkImageChangeInformation函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: addT2transvisualize
def addT2transvisualize(self, T2images, image_pos_pat, image_ori_pat, T2dims, T2spacing, sideBreast, interact):
'''Added to build second reference frame and display T2 overlayed into T1 reference frame'''
# Proceed to build reference frame for display objects based on DICOM coords
[transformed_T2image, transform_cube] = self.dicomTransform(T2images, image_pos_pat, image_ori_pat)
#alignR = int(raw_input('\nAlign right? Yes:1 No:0 : '))
#if alignR:
if(sideBreast=="Right"):
zf1 = self.T1spacing[2]*self.T1extent[5] + self.T1origin[2]
self.T2origin[2] = zf1 - T2spacing[2]*self.T2extent[5] # this is z-span
else:
self.T2origin[2] = self.T1origin[2]
# Change info origin
translated_T2image = vtk.vtkImageChangeInformation()
translated_T2image.SetInput( transformed_T2image )
translated_T2image.SetOutputOrigin(self.T2origin)
translated_T2image.Update()
# Set up ortogonal planes
self.xImagePlaneWidget.SetInput( translated_T2image.GetOutput() )
self.xImagePlaneWidget.SetSliceIndex(0)
self.yImagePlaneWidget.SetInput( translated_T2image.GetOutput() )
self.yImagePlaneWidget.SetSliceIndex(0)
self.zImagePlaneWidget.SetInput( translated_T2image.GetOutput() )
self.zImagePlaneWidget.SetSliceIndex(0)
# Create a text property for both cube axes
tprop = vtk.vtkTextProperty()
tprop.SetColor(0.5, 0.5, 0)
tprop.ShadowOff()
# Update the reneder window to receive new image !Important*****
self.renderer1.Modified()
self.renWin1.Modified()
# Create a vtkCubeAxesActor2D. Use the outer edges of the bounding box to
# draw the axes. Add the actor to the renderer.
axesT2 = vtk.vtkCubeAxesActor2D()
axesT2.SetInput(translated_T2image.GetOutput())
axesT2.SetCamera(self.renderer1.GetActiveCamera())
axesT2.SetLabelFormat("%6.4g")
axesT2.SetFlyModeToOuterEdges()
axesT2.SetFontFactor(1.2)
axesT2.SetAxisTitleTextProperty(tprop)
axesT2.SetAxisLabelTextProperty(tprop)
self.renderer1.AddViewProp(axesT2)
### Update T2Images
t_T2images = vtk.vtkImageChangeInformation()
t_T2images.SetInput( T2images )
t_T2images.SetOutputOrigin(self.T2origin)
t_T2images.Update()
############
if(interact==True):
interactor = self.renWin1.GetInteractor()
interactor.Start()
return
开发者ID:xieyanfu，项目名称:extractFeatures，代码行数:60，代码来源:display.py
示例2: transform_all_images
def transform_all_images(register, image_datas, defining_image):
image_list = list()
idx = 0
transform_list = register.convert_transforms_to_vtk()
image_datas = [image_datas[0]]
info = vtk.vtkImageChangeInformation()
info.SetInput(defining_image)
info.CenterImageOn()
for image in image_datas:
change = vtk.vtkImageChangeInformation()
change.SetInput(image)
change.CenterImageOn()
#change.SetOutputSpacing(1,1,1)
#spacing = image.GetSpacing()
if 1:
trans = vtk.vtkTransform()
# this is right except scaling is 1/correct
tx = transform_list[idx]
trans.Concatenate(tx)
#trans = tx
#trans.Scale(-1,-1,-1)
trans.Inverse()
#trans.Scale(-1,-1,-1)
if 0:
transform = numpy.zeros(15)
transform2 = numpy.zeros(15)
tform = register._subjects[idx].transform
# rotation and translation are "already inverted"
# from images being in LPS
transform[0:6] = tform[0:6]
# invert scaling
transform[6:9] = numpy.divide(1.0, tform[6:9])
# invert shear
transform2[6:9] = 1.0
transform2[9:15] = tform[9:15]
reg_ops = wma.register.RegistrationInformation()
trans = reg_ops.convert_transform_to_vtk(transform)
trans2 = reg_ops.convert_transform_to_vtk(transform2)
trans2.Scale(-1,-1,-1)
trans2.Inverse()
trans.Concatenate(trans2)
resample = vtk.vtkImageReslice()
#resample.SetResliceAxesDirectionCosines(1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0)
#resample.SetResliceAxesDirectionCosines(-1.0, 0.0, 0.0, 0.0, -1.0, 0.0, 0.0, 0.0, -1.0)
#resample.SetInput(image)
resample.SetInput(change.GetOutput())
resample.SetResliceTransform(trans)
print trans
#resample.SetInformationInput(info.GetOutput())
#resample.SetOutputSpacing(spacing)
resample.Update()
#resample.SetOutputOrigin(origin)
image_list.append(resample.GetOutput())
idx += 1
del resample
return image_list
开发者ID:RuizhiLiao，项目名称:whitematteranalysis，代码行数:59，代码来源:test_read_vol.py
示例3: __init__
def __init__(self, module_manager):
ModuleBase.__init__(self, module_manager)
self._reader = vtkgdcm.vtkGDCMImageReader()
# NB NB NB: for now we're SWITCHING off the VTK-compatible
# Y-flip, until the X-mirror issues can be solved.
self._reader.SetFileLowerLeft(1)
self._ici = vtk.vtkImageChangeInformation()
self._ici.SetInputConnection(0, self._reader.GetOutputPort(0))
# create output MedicalMetaData and populate it with the
# necessary bindings.
mmd = MedicalMetaData()
mmd.medical_image_properties = \
self._reader.GetMedicalImageProperties()
mmd.direction_cosines = \
self._reader.GetDirectionCosines()
self._output_mmd = mmd
module_utils.setup_vtk_object_progress(self, self._reader,
'Reading DICOM data')
self._view_frame = None
self._file_dialog = None
self._config.dicom_filenames = []
# if this is true, module will still try to load set even if
# IPP sorting fails by sorting images alphabetically
self._config.robust_spacing = False
self.sync_module_logic_with_config()
开发者ID:fvpolpeta，项目名称:devide，代码行数:30，代码来源:DICOMReader.py
示例4: Execute
def Execute(self):
if not self.KSpace:
self.PrintError("Error: no KSpace.")
ifft = vtk.vtkImageRFFT()
ifft.SetInput(self.KSpace)
ifft.SetDimensionality(self.KSpaceDimensionality)
ifft.Update()
ifftMagnitude = vtk.vtkImageMagnitude()
ifftMagnitude.SetInput(ifft.GetOutput())
ifftMagnitude.Update()
origin = self.KSpace.GetOrigin()
kspacing = self.KSpace.GetSpacing()
dimensions = self.KSpace.GetDimensions()
spacing = [
1.0 / (dimensions[0] * kspacing[0]),
1.0 / (dimensions[1] * kspacing[1]),
1.0 / (dimensions[2] * kspacing[2]),
]
imageInformation = vtk.vtkImageChangeInformation()
imageInformation.SetInput(ifftMagnitude.GetOutput())
imageInformation.SetOutputSpacing(spacing)
imageInformation.SetOutputOrigin(origin)
imageInformation.Update()
self.Image = imageInformation.GetOutput()
开发者ID:alexmbcm，项目名称:FEMRI，代码行数:30，代码来源:femrikspacetoimage.py
示例5: _handlerVoiSaveButton
def _handlerVoiSaveButton(self, event):
input_data = self.getPrimaryInput()
filename = self.controlFrame.voiFilenameText.GetValue()
if input_data and self._voi_widget.GetEnabled() and filename:
# see if we need to reset to zero origin
zor = self.controlFrame.voiResetToOriginCheck.GetValue()
extractVOI = vtk.vtkExtractVOI()
extractVOI.SetInput(input_data)
extractVOI.SetVOI(self._currentVOI)
writer = vtk.vtkXMLImageDataWriter()
writer.SetDataModeToBinary()
writer.SetFileName(filename)
if zor:
ici = vtk.vtkImageChangeInformation()
ici.SetOutputExtentStart(0,0,0)
ici.SetInput(extractVOI.GetOutput())
writer.SetInput(ici.GetOutput())
else:
writer.SetInput(extractVOI.GetOutput())
writer.Write()
开发者ID:sanguinariojoe，项目名称:devide，代码行数:25，代码来源:slice3dVWR.py
示例6: __init__
def __init__(self, module_manager):
ModuleBase.__init__(self, module_manager)
# setup config
self._config.resolution = 40
# and then our scripted config
configList = [
('Resolution: ', 'resolution', 'base:int', 'text',
'x, y and z resolution of sampled volume. '
'According to the article, should be 40 to be '
'at Nyquist.')]
# now create the necessary VTK modules
self._es = vtk.vtkImageEllipsoidSource()
self._es.SetOutputScalarTypeToFloat()
self._ic = vtk.vtkImageChangeInformation()
self._ic.SetInputConnection(self._es.GetOutputPort())
self._output = vtk.vtkImageData()
# mixin ctor
ScriptedConfigModuleMixin.__init__(
self, configList,
{'Module (self)' : self})
self.sync_module_logic_with_config()
开发者ID:fvpolpeta，项目名称:devide，代码行数:28，代码来源:MarschnerLobb.py
示例7: buildPipeline
def buildPipeline(self):
""" execute() -> None
Dispatch the vtkRenderer to the actual rendering widget
"""
self.initialOrigin = self.input.GetOrigin()
self.initialExtent = self.input.GetExtent()
self.initialSpacing = self.input.GetSpacing()
self.initialAoi = self.getUnscaledWorldExtent( self.initialExtent, self.initialSpacing )
self.currentAoi = list( self.initialAoi )
self.clip = vtk.vtkExtractVOI()
self.inputModule.inputToAlgorithm( self.clip )
self.pad = vtk.vtkImageMagnify()
self.pad.InterpolateOn()
self.pad.SetInputConnection( self.clip.GetOutputPort() )
self.imageInfo = vtk.vtkImageChangeInformation()
self.imageInfo.SetInputConnection( self.pad.GetOutputPort() )
self.imageInfo.SetOutputOrigin( self.initialOrigin[0], self.initialOrigin[1], self.initialOrigin[2] )
self.imageInfo.SetOutputExtentStart( self.initialExtent[0], self.initialExtent[2], self.initialExtent[4] )
self.imageInfo.SetOutputSpacing( self.initialSpacing[0], self.initialSpacing[1], self.initialSpacing[2] )
self.setExtent( self.initialExtent )
self.set3DOutput( port=self.imageInfo.GetOutputPort() )
开发者ID:imclab，项目名称:vistrails，代码行数:25，代码来源:ResampleModule.py
示例8: __init__
def __init__(self, module_manager):
SimpleVTKClassModuleBase.__init__(
self, module_manager,
vtk.vtkImageChangeInformation(), 'Processing.',
('vtkImageData', 'vtkImageData'), ('vtkImageData',),
replaceDoc=True,
inputFunctions=None, outputFunctions=None)
开发者ID:fvpolpeta，项目名称:devide，代码行数:7，代码来源:vtkImageChangeInformation.py
示例9: buildPipeline
def buildPipeline(self):
""" execute() -> None
Dispatch the vtkRenderer to the actual rendering widget
"""
module = self.getRegisteredModule()
world_map = None # wmod.forceGetInputFromPort( "world_map", None ) if wmod else None
opacity = wmod.forceGetInputFromPort( "opacity", 0.4 ) if wmod else 0.4
map_border_size = wmod.forceGetInputFromPort( "map_border_size", 20 ) if wmod else 20
self.y0 = -90.0
dataPosition = None
if world_map == None:
self.map_file = defaultMapFile
self.map_cut = defaultMapCut
else:
self.map_file = world_map[0].name
self.map_cut = world_map[1]
self.world_cut = wmod.forceGetInputFromPort( "world_cut", -1 ) if wmod else getFunctionParmStrValues( module, "world_cut", -1 )
roi_size = [ self.roi[1] - self.roi[0], self.roi[3] - self.roi[2] ]
map_cut_size = [ roi_size[0] + 2*map_border_size, roi_size[1] + 2*map_border_size ]
data_origin = self.input().GetOrigin() if self.input() else [ 0, 0, 0 ]
if self.world_cut == -1:
if (self.roi <> None):
if roi_size[0] > 180:
self.ComputeCornerPosition()
self.world_cut = NormalizeLon( self.x0 )
else:
dataPosition = [ ( self.roi[1] + self.roi[0] ) / 2.0, ( self.roi[3] + self.roi[2] ) / 2.0 ]
else:
self.world_cut = self.map_cut
self.imageInfo = vtk.vtkImageChangeInformation()
image_reader = vtk.vtkJPEGReader()
image_reader.SetFileName( self.map_file )
baseImage = image_reader.GetOutput()
new_dims = None
if dataPosition == None:
baseImage = self.RollMap( baseImage )
new_dims = baseImage.GetDimensions()
else:
baseImage, new_dims = self.getBoundedMap( baseImage, dataPosition, map_cut_size )
scale = [ map_cut_size[0]/new_dims[0], map_cut_size[1]/new_dims[1], 1 ]
# printArgs( " baseMap: ", extent=baseImage.GetExtent(), spacing=baseImage.GetSpacing(), origin=baseImage.GetOrigin() )
self.baseMapActor = vtk.vtkImageActor()
self.baseMapActor.SetOrigin( 0.0, 0.0, 0.0 )
self.baseMapActor.SetScale( scale )
self.baseMapActor.SetOrientation( 0.0, 0.0, 0.0 )
self.baseMapActor.SetOpacity( opacity )
# self.baseMapActor.SetDisplayExtent( -1, 0, 0, 0, 0, 0 )
#Positioning map at location %s, size = %s, roi = %s" % ( str( ( self.x0, self.y0) ), str( map_cut_size ), str( ( NormalizeLon( self.roi[0] ), NormalizeLon( self.roi[1] ), self.roi[2], self.roi[3] ) ) )
self.baseMapActor.SetPosition( self.x0, self.y0, 0.1 )
self.baseMapActor.SetInput( baseImage )
self.renderer.AddActor( self.baseMapActor )
开发者ID:imclab，项目名称:vistrails，代码行数:58，代码来源:WorldMapModule.py
示例10: __init__
def __init__(self, module_manager):
# initialise our base class
ModuleBase.__init__(self, module_manager)
NoConfigModuleMixin.__init__(
self, {'Module (self)' : self})
self.sync_module_logic_with_config()
self._ir = vtk.vtkImageReslice()
self._ici = vtk.vtkImageChangeInformation()
开发者ID:fvpolpeta，项目名称:devide，代码行数:10，代码来源:DICOMAligner.py
示例11: build
def build( self, **args ):
if self.enableBasemap:
# print " @@@ MapManager: build "
world_map = None
dataPosition = None
if world_map == None:
self.map_file = defaultMapFile
self.map_cut = defaultMapCut
else:
self.map_file = world_map[0].name
self.map_cut = world_map[1]
# data_origin = self.input().GetOrigin() if self.input() else [ 0, 0, 0 ]
if self.world_cut == -1:
if (self.roi <> None):
if self.roi_size[0] > 180:
self.ComputeCornerPosition()
self.world_cut = self.NormalizeMapLon( self.x0 )
else:
dataPosition = [ ( self.roi[1] + self.roi[0] ) / 2.0, ( self.roi[3] + self.roi[2] ) / 2.0 ]
else:
self.world_cut = self.map_cut
self.imageInfo = vtk.vtkImageChangeInformation()
self.image_reader = vtk.vtkJPEGReader()
self.image_reader.SetFileName( self.map_file )
self.image_reader.Update()
world_image = self.image_reader.GetOutput()
self.sphericalBaseImage = self.RollMap( world_image )
new_dims, scale = None, None
if dataPosition == None:
self.baseImage = self.RollMap( world_image )
new_dims = self.baseImage.GetDimensions()
scale = [ 360.0/new_dims[0], 180.0/new_dims[1], 1 ]
self.width = 360.0
else:
self.baseImage, new_dims = self.getBoundedMap( world_image, dataPosition )
scale = [ self.map_cut_size[0]/new_dims[0], self.map_cut_size[1]/new_dims[1], 1 ]
self.width = self.map_cut_size[0]
self.baseMapActor = vtk.vtkImageActor()
self.baseMapActor.SetOrigin( 0.0, 0.0, 0.0 )
self.baseMapActor.SetScale( scale )
self.baseMapActor.SetOrientation( 0.0, 0.0, 0.0 )
self.baseMapActor.SetOpacity( self.map_opacity )
mapCorner = [ self.x0, self.y0 ]
self.baseMapActor.SetPosition( mapCorner[0], mapCorner[1], 0.05 )
extent = self.baseImage.GetExtent()
# print " @@@ baseImage.GetExtent: ", str( extent )
# print " @@@ baseImage.Position: ", str( self.x0 )
# print " @@@ baseImage.Size: ", str( self.map_cut_size )
if vtk.VTK_MAJOR_VERSION <= 5: self.baseMapActor.SetInput(self.baseImage)
else: self.baseMapActor.SetInputData(self.baseImage)
self.mapCenter = [ self.x0 + self.map_cut_size[0]/2.0, self.y0 + self.map_cut_size[1]/2.0 ]
开发者ID:doutriaux1，项目名称:uvcdat，代码行数:55，代码来源:MapManager.py
示例12: build
def build( self, **args ):
if self.enableBasemap:
world_map = None
dataPosition = None
if world_map == None:
self.map_file = defaultMapFile
self.map_cut = defaultMapCut
else:
self.map_file = world_map[0].name
self.map_cut = world_map[1]
roi_size = [ self.roi[1] - self.roi[0], self.roi[3] - self.roi[2] ]
map_cut_size = [ roi_size[0] + 2*self.map_border_size, roi_size[1] + 2*self.map_border_size ]
if map_cut_size[0] > 360.0: map_cut_size[0] = 360.0
if map_cut_size[1] > 180.0: map_cut_size[1] = 180.0
# data_origin = self.input().GetOrigin() if self.input() else [ 0, 0, 0 ]
if self.world_cut == -1:
if (self.roi <> None):
if roi_size[0] > 180:
self.ComputeCornerPosition()
self.world_cut = self.NormalizeMapLon( self.x0 )
else:
dataPosition = [ ( self.roi[1] + self.roi[0] ) / 2.0, ( self.roi[3] + self.roi[2] ) / 2.0 ]
else:
self.world_cut = self.map_cut
self.imageInfo = vtk.vtkImageChangeInformation()
self.image_reader = vtk.vtkJPEGReader()
self.image_reader.SetFileName( self.map_file )
self.image_reader.Update()
world_image = self.image_reader.GetOutput()
self.sphericalBaseImage = self.RollMap( world_image )
new_dims, scale = None, None
if dataPosition == None:
self.baseImage = self.RollMap( world_image )
new_dims = self.baseImage.GetDimensions()
scale = [ 360.0/new_dims[0], 180.0/new_dims[1], 1 ]
else:
self.baseImage, new_dims = self.getBoundedMap( world_image, dataPosition, map_cut_size, self.map_border_size )
scale = [ map_cut_size[0]/new_dims[0], map_cut_size[1]/new_dims[1], 1 ]
self.baseMapActor = vtk.vtkImageActor()
self.baseMapActor.SetOrigin( 0.0, 0.0, 0.0 )
self.baseMapActor.SetScale( scale )
self.baseMapActor.SetOrientation( 0.0, 0.0, 0.0 )
self.baseMapActor.SetOpacity( self.map_opacity )
mapCorner = [ self.x0, self.y0 ]
self.baseMapActor.SetPosition( mapCorner[0], mapCorner[1], 0.1 )
if vtk.VTK_MAJOR_VERSION <= 5: self.baseMapActor.SetInput(self.baseImage)
else: self.baseMapActor.SetInputData(self.baseImage)
self.mapCenter = [ self.x0 + map_cut_size[0]/2.0, self.y0 + map_cut_size[1]/2.0 ]
开发者ID:UV-CDAT，项目名称:UVIS_DV3D，代码行数:52，代码来源:MapManager.py
示例13: magnify_multiply_imagedata
def magnify_multiply_imagedata(reader, zSpacing=1.0):
logging.debug("In data.magnify_multiply_imagedata()")
imagedata = reader.GetOutput()
imagedata.UpdateInformation()
spacing = imagedata.GetSpacing()
# dimensions = imagedata.GetDimensions()
# if dimensions[0] > 256 and dimensions[1] > 256:
# spacing = [x/0.5 for x in spacing]
change = vtk.vtkImageChangeInformation()
change.SetInput(imagedata)
change.SetOutputOrigin(imagedata.GetOrigin())
change.SetOutputSpacing(spacing[0], spacing[1], zSpacing)
change.Update()
return vtk.vtkImageData.SafeDownCast(change.GetOutput())
开发者ID:aevum，项目名称:moonstone，代码行数:16，代码来源:data.py
示例14: Update
def Update(self):
# If a dummy input is defined then, probaby a diagnostic run asking
# for output data type is performed. In such case, just generate a
# blank ImageData object just to be able to determine filter's output
# data type.
if self._padding == (0, 0, 0):
self._output = self._input
return
# XXX: (note the date: Mon Mar 25 22:57:45 CET 2013)
# Ok, when we arrived here, it means that we're doing sometging
# significant.
source = self._input
self._output = vtk.vtkImageData()
padx, pady, padz = self._padding
initial_extent = self._input.GetWholeExtent()
sx, sy, sz = self._input.GetSpacing()
if __debug__:
print "\tInitial image extent: " + str(initial_extent)
print "\tInitial image origin: " + str(self._input.GetOrigin())
print "\tRequested padding: %d, %d, %d" % (padx, pady, padz)
translator = vtk.vtkImageChangeInformation()
translator.SetExtentTranslation(padx, pady, padz)
translator.SetOriginTranslation(-padx*sx, -pady*sy, -padz*sz)
translator.SetInput(source)
# Now we actually pad the image filling the extended canvas with the
# "0" value.
pad_filter = vtk.vtkImageConstantPad()
pad_filter.SetConstant(0)
pad_filter.SetOutputWholeExtent(initial_extent[0], initial_extent[1]+2*padx,
initial_extent[2], initial_extent[3]+2*pady,
initial_extent[4], initial_extent[5]+2*padz)
pad_filter.SetInput(translator.GetOutput())
pad_filter.Update()
# Assign the resulting image to the output
self._output = pad_filter.GetOutput()
if __debug__:
print "\tFinal image extent: " + str(self._output.GetWholeExtent())
print "\tFinal image origin: " + str(self._output.GetOrigin())
开发者ID:baishi，项目名称:3dbar，代码行数:45，代码来源:pipeline.py
示例15: loadFilesWithSeriesReader
def loadFilesWithSeriesReader(self,imageIOName,files,name):
""" Explicitly use the named imageIO to perform the loading
"""
reader = vtkITK.vtkITKArchetypeImageSeriesScalarReader()
reader.SetArchetype(files[0]);
for f in files:
reader.AddFileName(slicer.util.toVTKString(f))
reader.SetSingleFile(0);
reader.SetOutputScalarTypeToNative()
reader.SetDesiredCoordinateOrientationToNative()
reader.SetUseNativeOriginOn()
if imageIOName == "GDCM":
reader.SetDICOMImageIOApproachToGDCM()
elif imageIOName == "DCMTK":
reader.SetDICOMImageIOApproachToDCMTK()
else:
raise Exception("Invalid imageIOName of %s" % imageIOName)
logging.info("Loading with imageIOName: %s" % imageIOName)
reader.Update()
slicer.modules.reader = reader
if reader.GetErrorCode() != vtk.vtkErrorCode.NoError:
errorStrings = (imageIOName, vtk.vtkErrorCode.GetStringFromErrorCode(reader.GetErrorCode()))
logging.error("Could not read scalar volume using %s approach. Error is: %s" % errorStrings)
return
imageChangeInformation = vtk.vtkImageChangeInformation()
imageChangeInformation.SetInputConnection(reader.GetOutputPort())
imageChangeInformation.SetOutputSpacing( 1, 1, 1 )
imageChangeInformation.SetOutputOrigin( 0, 0, 0 )
imageChangeInformation.Update()
name = slicer.mrmlScene.GenerateUniqueName(slicer.util.toVTKString(name))
volumeNode = slicer.mrmlScene.AddNewNodeByClass("vtkMRMLScalarVolumeNode", name)
volumeNode.SetAndObserveImageData(imageChangeInformation.GetOutputDataObject(0))
slicer.vtkMRMLVolumeArchetypeStorageNode.SetMetaDataDictionaryFromReader(volumeNode, reader)
volumeNode.SetRASToIJKMatrix(reader.GetRasToIjkMatrix())
volumeNode.CreateDefaultDisplayNodes()
slicer.modules.DICOMInstance.reader = reader
slicer.modules.DICOMInstance.imageChangeInformation = imageChangeInformation
return(volumeNode)
开发者ID:Slicer，项目名称:Slicer，代码行数:45，代码来源:DICOMScalarVolumePlugin.py
示例16: RollMap
def RollMap( self, baseImage ):
# baseImage.Update()
if self.world_cut == self.map_cut: return baseImage
baseExtent = baseImage.GetExtent()
baseSpacing = baseImage.GetSpacing()
x0 = baseExtent[0]
x1 = baseExtent[1]
newCut = self.NormalizeMapLon( self.world_cut )
delCut = newCut - self.map_cut
# print " %%%%%% Roll Map %%%%%%: world_cut=%.1f, map_cut=%.1f, newCut=%.1f " % ( float(self.world_cut), float(self.map_cut), float(newCut) )
imageLen = x1 - x0 + 1
sliceSize = imageLen * ( delCut / 360.0 )
sliceCoord = int( round( x0 + sliceSize) )
extent = list( baseExtent )
extent[0:2] = [ x0, x0 + sliceCoord - 1 ]
clip0 = vtk.vtkImageClip()
if vtk.VTK_MAJOR_VERSION <= 5: clip0.SetInput( baseImage )
else: clip0.SetInputData( baseImage )
clip0.SetOutputWholeExtent( extent[0], extent[1], extent[2], extent[3], extent[4], extent[5] )
extent[0:2] = [ x0 + sliceCoord, x1 ]
clip1 = vtk.vtkImageClip()
if vtk.VTK_MAJOR_VERSION <= 5: clip1.SetInput( baseImage )
else: clip1.SetInputData( baseImage )
clip1.SetOutputWholeExtent( extent[0], extent[1], extent[2], extent[3], extent[4], extent[5] )
append = vtk.vtkImageAppend()
append.SetAppendAxis( 0 )
append.SetInputConnection ( clip1.GetOutputPort() )
append.AddInputConnection ( clip0.GetOutputPort() )
imageInfo = vtk.vtkImageChangeInformation()
imageInfo.SetInputConnection( append.GetOutputPort() )
imageInfo.SetOutputOrigin( 0.0, 0.0, 0.0 )
imageInfo.SetOutputExtentStart( 0, 0, 0 )
imageInfo.SetOutputSpacing( baseSpacing[0], baseSpacing[1], baseSpacing[2] )
imageInfo.Update()
result = imageInfo.GetOutput()
return result
开发者ID:charlesdoutriaux，项目名称:uvcdat-devel，代码行数:41，代码来源:StructuredGridPlot.py
示例17: getTimepoint
def getTimepoint(self, n, onlyDims = 0):
"""
Return the nth timepoint
"""
if not self.readers:
self.getReadersFromFilenames()
if self.is3DImage():
if not self.readers:
raise Logging.GUIError("Attempt to read bad timepoint", "Timepoint %d is not defined by the given filenames" % n)
self.reader = self.readers[0]
minZ = n * self.slicesPerTimepoint
maxZ = (n+1) * self.slicesPerTimepoint - 1
extract = vtk.vtkExtractVOI()
extract.SetInput(self.reader.GetOutput())
extract.SetVOI(0, self.x - 1, 0, self.y - 1, minZ, maxZ)
changeInfo = vtk.vtkImageChangeInformation()
changeInfo.SetInput(extract.GetOutput())
changeInfo.SetOutputOrigin(0, 0, 0)
changeInfo.SetExtentTranslation((0,0,-minZ))
data = changeInfo.GetOutput()
else:
if n >= len(self.readers):
n = 0
raise Logging.GUIError("Attempt to read bad timepoint", "Timepoint %d is not defined by the given filenames" % n)
self.reader = self.readers[n]
data = self.reader.GetOutput()
if not self.voxelsize:
size = data.GetSpacing()
x, y, z = [size.GetElement(x) for x in range(0, 3)]
self.voxelsize = (x, y, z)
print "Read voxel size", self.voxelsize
if onlyDims:
return
return data
开发者ID:chalkie666，项目名称:bioimagexd-svn-import-from-sourceforge，代码行数:39，代码来源:FileListDataSource.py
示例18: Execute
def Execute(self):
if not self.Image:
self.PrintError('Error: no Image.')
fft = vtk.vtkImageFFT()
fft.SetInput(self.Image)
fft.SetDimensionality(self.KSpaceDimensionality)
fft.Update()
origin = self.Image.GetOrigin()
spacing = self.Image.GetSpacing()
dimensions = self.Image.GetDimensions()
kspacing = [1.0/(dimensions[0]*spacing[0]),1.0/(dimensions[1]*spacing[1]),1.0/(dimensions[2]*spacing[2])]
imageInformation = vtk.vtkImageChangeInformation()
imageInformation.SetInput(fft.GetOutput())
imageInformation.SetOutputSpacing(kspacing)
imageInformation.SetOutputOrigin(origin)
imageInformation.Update()
self.KSpace = imageInformation.GetOutput()
开发者ID:151706061，项目名称:FEMRI，代码行数:22，代码来源:femriimagetokspace.py
示例19: RollMap
def RollMap( self, baseImage ):
baseImage.Update()
if self.world_cut == self.map_cut: return baseImage
baseExtent = baseImage.GetExtent()
baseSpacing = baseImage.GetSpacing()
x0 = baseExtent[0]
x1 = baseExtent[1]
newCut = NormalizeLon( self.world_cut )
delCut = NormalizeLon( self.map_cut - newCut )
imageLen = x1 - x0 + 1
sliceSize = imageLen * ( delCut / 360.0 )
sliceCoord = int( round( x0 + sliceSize) )
extent = list( baseExtent )
extent[0:2] = [ x0, x0 + sliceCoord - 1 ]
clip0 = vtk.vtkImageClip()
clip0.SetInput( baseImage )
clip0.SetOutputWholeExtent( extent[0], extent[1], extent[2], extent[3], extent[4], extent[5] )
extent[0:2] = [ x0 + sliceCoord, x1 ]
clip1 = vtk.vtkImageClip()
clip1.SetInput( baseImage )
clip1.SetOutputWholeExtent( extent[0], extent[1], extent[2], extent[3], extent[4], extent[5] )
append = vtk.vtkImageAppend()
append.SetAppendAxis( 0 )
append.AddInput( clip1.GetOutput() )
append.AddInput( clip0.GetOutput() )
imageInfo = vtk.vtkImageChangeInformation()
imageInfo.SetInputConnection( append.GetOutputPort() )
imageInfo.SetOutputOrigin( 0.0, 0.0, 0.0 )
imageInfo.SetOutputExtentStart( 0, 0, 0 )
imageInfo.SetOutputSpacing( baseSpacing[0], baseSpacing[1], baseSpacing[2] )
result = imageInfo.GetOutput()
result.Update()
return result
开发者ID:imclab，项目名称:vistrails，代码行数:38，代码来源:WorldMapModule.py
示例20: transformVolume
def transformVolume(self, inputVolume, outputVolume, transformationMatrix):
# Normalize matrix so it preserve its scaling (diagonal elements are
# equal to 1)
M = self.__normalizeMatrix(transformationMatrix)
reader = vtk.vtkStructuredPointsReader()
reader.SetFileName(inputVolume)
reader.Update()
reader.GetOutput().UpdateInformation()
matrix = vtk.vtkMatrix4x4()
matrix.DeepCopy((
M[0,0], M[0,1], M[0,2], M[0,3],
M[1,0], M[1,1], M[1,2], M[1,3],
M[2,0], M[2,1], M[2,2], M[2,3],
M[3,0], M[3,1], M[3,2], M[3,3]
))
# Extract a slice in the desired orientation
reslice = vtk.vtkImageReslice()
reslice.SetInputConnection(reader.GetOutputPort())
reslice.SetResliceAxes(matrix)
reslice.AutoCropOutputOff()
reslice.SetInterpolationModeToNearestNeighbor()
#reslice.SetInterpolationModeToLinear()
print >>sys.stderr,'M=\n',M
ch = vtk.vtkImageChangeInformation()
ch.SetInput(reslice.GetOutput())
ch.SetOutputOrigin(*OUTPUT_VOLUME_ORIGIN)
ch.SetOutputSpacing(*OUTPUT_VOLUME_SPACING)
ch.Update()
writer = vtk.vtkStructuredPointsWriter()
writer.SetFileTypeToBinary()
writer.SetInput(ch.GetOutput())
writer.SetFileName(outputVolume)
writer.Update()
开发者ID:baishi，项目名称:3dbar，代码行数:38，代码来源:preprocess_volume.py
注：本文中的vtk.vtkImageChangeInformation函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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