iren = vtk.vtkRenderWindowInteractor() iren.SetRenderWindow(renWin) # Create a synthetic source: sample a sphere across a volume sphere = vtk.vtkSphere() sphere.SetCenter(0.0, 0.0, 0.0) sphere.SetRadius(0.25) sample = vtk.vtkSampleFunction() sample.SetImplicitFunction(sphere) sample.SetModelBounds(-0.5, 0.5, -0.5, 0.5, -0.5, 0.5) sample.SetSampleDimensions(res, res, res) sample.Update() # Handy dandy filter converts image data to structured grid convert = vtk.vtkImageDataToPointSet() convert.SetInputConnection(sample.GetOutputPort()) convert.Update() input = convert.GetOutput() # Create a cutting plane plane = vtk.vtkPlane() plane.SetOrigin(input.GetCenter()) plane.SetNormal(1, 1, 1) # First create the usual cutter cutter = vtk.vtkCutter() cutter.SetInputData(input) cutter.SetCutFunction(plane) cutter.GeneratePolygons = 0
# structured grid, and unstructured grid. This sampling of datasets tests the # three execution paths currently in the sphere tree. # Create a synthetic image data: sample a sphere across a volume sphere = vtk.vtkSphere() sphere.SetCenter(0.0,0.0,0.0) sphere.SetRadius(0.25) image = vtk.vtkSampleFunction() image.SetImplicitFunction(sphere) image.SetModelBounds(-0.5,0.5, -0.5,0.5, -0.5,0.5) image.SetSampleDimensions(res,res,res) image.Update() # Handy dandy filter converts image data to structured grid sgrid = vtk.vtkImageDataToPointSet() sgrid.SetInputConnection(image.GetOutputPort()) sgrid.Update() # Convert the image data to unstructured grid extractionSphere = vtk.vtkSphere() extractionSphere.SetRadius(100) extractionSphere.SetCenter(0,0,0) extract = vtk.vtkExtractGeometry() extract.SetImplicitFunction(extractionSphere) extract.SetInputConnection(image.GetOutputPort()) extract.Update() # ======= 00 # Create a sphere tree and see what it look like
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Create a synthetic source: sample a sphere across a volume
sphere = vtk.vtkSphere()
sphere.SetCenter(0.0, 0.0, 0.0)
sphere.SetRadius(0.25)
sample = vtk.vtkSampleFunction()
sample.SetImplicitFunction(sphere)
sample.SetModelBounds(-0.5, 0.5, -0.5, 0.5, -0.5, 0.5)
sample.SetSampleDimensions(res, res, res)
sample.Update()
# Converts image data to structured grid
convert = vtk.vtkImageDataToPointSet()
convert.SetInputConnection(sample.GetOutputPort())
convert.Update()
cthvtr = vtk.vtkXMLRectilinearGridReader()
cthvtr.SetFileName("" + str(VTK_DATA_ROOT) + "/Data/cth.vtr")
cthvtr.CellArrayStatus = ['Pressure', 'Void Volume Fraction', 'X Velocity', 'Y Velocity', 'Z Velocity', 'Volume Fraction for Armor Plate', 'Mass for Armor Plate', 'Volume Fraction for Body, Nose', 'Mass for Body, Nose']
cthvtr.Update()
input = cthvtr.GetOutput()
# Create a cutting plane
plane = vtk.vtkPlane()
plane.SetOrigin(input.GetCenter())
plane.SetNormal(1, 1, 1)
# First create the usual cutter
# structured grid, and unstructured grid. This sampling of datasets tests the # three execution paths currently in the sphere tree. # Create a synthetic image data: sample a sphere across a volume sphere = vtk.vtkSphere() sphere.SetCenter(0.0, 0.0, 0.0) sphere.SetRadius(0.25) image = vtk.vtkSampleFunction() image.SetImplicitFunction(sphere) image.SetModelBounds(-0.5, 0.5, -0.5, 0.5, -0.5, 0.5) image.SetSampleDimensions(res, res, res) image.Update() # Handy dandy filter converts image data to structured grid sgrid = vtk.vtkImageDataToPointSet() sgrid.SetInputConnection(image.GetOutputPort()) sgrid.Update() # Convert the image data to unstructured grid extractionSphere = vtk.vtkSphere() extractionSphere.SetRadius(100) extractionSphere.SetCenter(0, 0, 0) extract = vtk.vtkExtractGeometry() extract.SetImplicitFunction(extractionSphere) extract.SetInputConnection(image.GetOutputPort()) extract.Update() # ======= 00 # Create a sphere tree and see what it look like