本文整理汇总了Python中vtk.vtkCompositeDataPipeline函数的典型用法代码示例。如果您正苦于以下问题：Python vtkCompositeDataPipeline函数的具体用法？Python vtkCompositeDataPipeline怎么用？Python vtkCompositeDataPipeline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vtkCompositeDataPipeline函数的2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，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: vtkGetDataRoot
#!/usr/bin/env python
import vtk
from vtk.util.misc import vtkGetDataRoot
VTK_DATA_ROOT = vtkGetDataRoot()
# create a rendering window and renderer
ren1 = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren1)
renWin.StereoCapableWindowOn()
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
reader = vtk.vtkGenericEnSightReader()
# Make sure all algorithms use the composite data pipeline
cdp = vtk.vtkCompositeDataPipeline()
reader.SetDefaultExecutivePrototype(cdp)
reader.SetCaseFileName("" + str(VTK_DATA_ROOT) + "/Data/EnSight/blow2_bin.case")
reader.SetTimeValue(1)
geom = vtk.vtkGeometryFilter()
geom.SetInputConnection(reader.GetOutputPort())
mapper = vtk.vtkHierarchicalPolyDataMapper()
mapper.SetInputConnection(geom.GetOutputPort())
mapper.SetColorModeToMapScalars()
mapper.SetScalarModeToUsePointFieldData()
mapper.ColorByArrayComponent("displacement",0)
mapper.SetScalarRange(0,2.08)
actor = vtk.vtkActor()
actor.SetMapper(mapper)
# assign our actor to the renderer
ren1.AddActor(actor)
# enable user interface interactor示例2: setFileName
def setFileName(self, file_name, lut):
try:
self.currently_has_actor = True
self.lut = lut
self.file_name = file_name
self.reader = vtk.vtkExodusIIReader()
self.reader.SetFileName(self.file_name)
self.reader.UpdateInformation()
self.current_dim = self.reader.GetDimensionality()
self.min_timestep = 0
self.max_timestep = 0
range = self.reader.GetTimeStepRange()
self.min_timestep = range[0]
self.max_timestep = range[1]
self.reader.SetAllArrayStatus(vtk.vtkExodusIIReader.ELEM_BLOCK, 1)
self.reader.SetAllArrayStatus(vtk.vtkExodusIIReader.NODAL, 1)
self.reader.SetAllArrayStatus(vtk.vtkExodusIIReader.NODAL_TEMPORAL, 1)
self.reader.SetTimeStep(self.max_timestep)
self.reader.Update()
self.current_variable_point_data = {}
self.current_nodal_variables = []
self.current_elemental_variables = []
self.current_nodal_components = {}
self.current_elemental_components = {}
self.component_index = -1
num_blocks = self.reader.GetNumberOfElementBlockArrays()
self.blocks = set()
self.block_to_name = {}
for i in xrange(num_blocks):
block_num = self.reader.GetObjectId(vtk.vtkExodusIIReader.ELEM_BLOCK,i)
self.blocks.add(block_num)
if 'Unnamed' not in self.reader.GetObjectName(vtk.vtkExodusIIReader.ELEM_BLOCK,i).split(' '):
self.block_to_name[block_num] = self.reader.GetObjectName(vtk.vtkExodusIIReader.ELEM_BLOCK,i).split(' ')[0]
cdp = vtk.vtkCompositeDataPipeline()
vtk.vtkAlgorithm.SetDefaultExecutivePrototype(cdp)
self.output = self.reader.GetOutput()
self.geom = vtk.vtkCompositeDataGeometryFilter()
self.geom.SetInputConnection(0,self.reader.GetOutputPort(0))
self.geom.Update()
self.data = self.geom.GetOutput()
num_nodal_variables = self.data.GetPointData().GetNumberOfArrays()
for var_num in xrange(num_nodal_variables):
var_name = self.data.GetPointData().GetArrayName(var_num)
self.current_nodal_variables.append(var_name)
components = self.data.GetPointData().GetVectors(var_name).GetNumberOfComponents()
self.current_nodal_components[var_name] = components
# self.data.GetPointData().GetVectors(value_string).GetComponentName(0)
num_elemental_variables = self.data.GetCellData().GetNumberOfArrays()
for var_num in xrange(num_elemental_variables):
var_name = self.data.GetCellData().GetArrayName(var_num)
self.current_elemental_variables.append(var_name)
components = self.data.GetCellData().GetVectors(var_name).GetNumberOfComponents()
self.current_elemental_components[var_name] = components
self.application_filter = self.render_widget.application.filterResult(self.geom)
self.mapper = vtk.vtkPolyDataMapper()
# self.mapper.SetInputConnection(self.tf.GetOutputPort())
self.mapper.SetInputConnection(self.application_filter.GetOutputPort())
self.mapper.ScalarVisibilityOn()
self.mapper.SetLookupTable(lut)
self.mapper.SetColorModeToMapScalars()
self.mapper.InterpolateScalarsBeforeMappingOn()
self.actor = vtk.vtkActor()
self.current_actors.append(self.actor)
self.actor.SetMapper(self.mapper)
self.current_actor = self.actor
self.clipper = vtk.vtkTableBasedClipDataSet()
if vtk.VTK_MAJOR_VERSION <= 5:
self.clipper.SetInput(self.output)
else:
self.clipper.SetInputData(self.output)
self.clipper.SetClipFunction(self.plane)
self.clipper.Update()
self.clip_geom = vtk.vtkCompositeDataGeometryFilter()
self.clip_geom.SetInputConnection(0,self.clipper.GetOutputPort(0))
self.clip_geom.Update()
self.clip_data = self.clip_geom.GetOutput()
self.clip_application_filter = self.render_widget.application.filterResult(self.clip_geom)
self.clip_mapper = vtk.vtkPolyDataMapper()
self.clip_mapper.SetInputConnection(self.clip_application_filter.GetOutputPort())
self.clip_mapper.ScalarVisibilityOn()
self.clip_mapper.SetLookupTable(lut)
#.........这里部分代码省略.........