def __init__(self, module_manager):
SimpleVTKClassModuleBase.__init__(
self, module_manager,
vtk.vtkHull(), 'Processing.',
('vtkPolyData',), ('vtkPolyData',),
replaceDoc=True,
inputFunctions=None, outputFunctions=None)
def __init__(self, module_manager):
SimpleVTKClassModuleBase.__init__(self,
module_manager,
vtk.vtkHull(),
'Processing.', ('vtkPolyData', ),
('vtkPolyData', ),
replaceDoc=True,
inputFunctions=None,
outputFunctions=None)
def __init__(self, **kwargs):
self.hull = vtk.vtkHull()
self.poly_data = vtk.vtkPolyData()
self.extractor = vtk.vtkExtractEdges()
self.extractor.SetInput(self.poly_data)
self.mapper = vtk.vtkPolyDataMapper()
self.mapper.SetInputConnection(self.extractor.GetOutputPort())
self.actor = vtk.vtkActor()
self.actor.SetMapper(self.mapper)
self._process_kwargs(**kwargs)
def __init__(self, **kwargs):
self.hull = vtk.vtkHull()
self.poly_data = vtk.vtkPolyData()
self.extractor = vtk.vtkExtractEdges()
self.extractor.SetInput(self.poly_data)
self.mapper = vtk.vtkPolyDataMapper()
self.mapper.SetInputConnection(self.extractor.GetOutputPort())
self.actor = vtk.vtkActor()
self.actor.SetMapper(self.mapper)
self._process_kwargs(**kwargs)
while i < 100:
radius = 1.0
theta = mathObj.Random(0,360)
phi = mathObj.Random(0,180)
x = expr.expr(globals(), locals(),["radius","*","sin","(","phi",")*","cos","(","theta",")"])
y = expr.expr(globals(), locals(),["radius","*","sin","(","phi",")*","sin","(","theta",")"])
z = expr.expr(globals(), locals(),["radius","*","cos","(","phi",")"])
points.InsertPoint(i,x,y,z)
normals.InsertTuple3(i,x,y,z)
i = i + 1
planes = vtk.vtkPlanes()
planes.SetPoints(points)
planes.SetNormals(normals)
ss = vtk.vtkSphereSource()
hull = vtk.vtkHull()
hull.SetPlanes(planes)
pd = vtk.vtkPolyData()
hull.GenerateHull(pd,-20,20,-20,20,-20,20)
# triangulate them
#
mapHull = vtk.vtkPolyDataMapper()
mapHull.SetInputData(pd)
hullActor = vtk.vtkActor()
hullActor.SetMapper(mapHull)
# Create graphics objects
# Create the rendering window, renderer, and interactive renderer
ren1 = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren1)
iren = vtk.vtkRenderWindowInteractor()
def main():
colors = vtk.vtkNamedColors()
planes = list()
titles = list()
# Using frustum planes.
titles.append('Using frustum planes')
camera = vtk.vtkCamera()
planesArray = [0] * 24
camera.GetFrustumPlanes(1, planesArray)
planes.append(vtk.vtkPlanes())
planes[0].SetFrustumPlanes(planesArray)
# Using bounds.
titles.append('Using bounds')
sphereSource = vtk.vtkSphereSource()
sphereSource.Update()
bounds = [0] * 6
sphereSource.GetOutput().GetBounds(bounds)
planes.append(vtk.vtkPlanes())
planes[1].SetBounds(bounds)
# At this point we have the planes created by both of the methods above.
# You can do whatever you want with them.
# For visualisation we will produce an n-sided convex hull
# and visualise it.
# Create a common text property.
textProperty = vtk.vtkTextProperty()
textProperty.SetFontSize(16)
textProperty.SetJustificationToCentered()
renWin = vtk.vtkRenderWindow()
renWin.SetSize(600, 600)
renWin.SetWindowName('Planes')
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
hulls = list()
pds = list()
mappers = list()
actors = list()
renderers = list()
textMappers = list()
textActors = list()
for i in range(0, len(planes)):
hulls.append(vtk.vtkHull())
hulls[i].SetPlanes(planes[i])
pds.append(vtk.vtkPolyData())
# To generate the convex hull we supply a vtkPolyData object and a bounding box.
# We define the bounding box to be where we expect the resulting polyhedron to lie.
# Make it a generous fit as it is only used to create the initial
# polygons that are eventually clipped.
hulls[i].GenerateHull(pds[i], -200, 200, -200, 200, -200, 200)
mappers.append(vtk.vtkPolyDataMapper())
mappers[i].SetInputData(pds[i])
actors.append(vtk.vtkActor())
actors[i].SetMapper(mappers[i])
actors[i].GetProperty().SetColor(colors.GetColor3d('Moccasin'))
actors[i].GetProperty().SetSpecular(0.8)
actors[i].GetProperty().SetSpecularPower(30)
renderers.append(vtk.vtkRenderer())
renderers[i].AddActor(actors[i])
textMappers.append(vtk.vtkTextMapper())
textMappers[i].SetInput(titles[i])
textMappers[i].SetTextProperty(textProperty)
textActors.append(vtk.vtkActor2D())
textActors[i].SetMapper(textMappers[i])
textActors[i].SetPosition(100, 10)
renderers[i].AddViewProp(textActors[i])
renWin.AddRenderer(renderers[i])
# Setup the viewports
xGridDimensions = 2
yGridDimensions = 1
rendererSize = 300
renWin.SetSize(rendererSize * xGridDimensions,
rendererSize * yGridDimensions)
for row in range(0, yGridDimensions):
for col in range(0, xGridDimensions):
index = row * xGridDimensions + col
# (xmin, ymin, xmax, ymax)
viewport = [
float(col) / xGridDimensions,
float(yGridDimensions - (row + 1)) / yGridDimensions,
float(col + 1) / xGridDimensions,
float(yGridDimensions - row) / yGridDimensions
]
if index > (len(actors) - 1):
# Add a renderer even if there is no actor.
# This makes the render window background all the same color.
ren = vtk.vtkRenderer()
ren.SetBackground(colors.GetColor3d('DarkSlateGray'))
ren.SetViewport(viewport)
renWin.AddRenderer(ren)
continue
renderers[index].SetViewport(viewport)
renderers[index].SetBackground(colors.GetColor3d('DarkSlateGray'))
renderers[index].ResetCamera()
renderers[index].GetActiveCamera().Azimuth(30)
renderers[index].GetActiveCamera().Elevation(-30)
renderers[index].ResetCameraClippingRange()
iRen.Initialize()
renWin.Render()
iRen.Start()
ren1 = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.SetMultiSamples(0)
renWin.AddRenderer(ren1)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
byuReader = vtk.vtkBYUReader()
byuReader.SetGeometryFileName("" + str(VTK_DATA_ROOT) + "/Data/teapot.g")
byuMapper = vtk.vtkPolyDataMapper()
byuMapper.SetInputConnection(byuReader.GetOutputPort())
i = 0
while i < 9:
locals()[get_variable_name("byuActor", i, "")] = vtk.vtkActor()
locals()[get_variable_name("byuActor", i, "")].SetMapper(byuMapper)
ren1.AddActor(locals()[get_variable_name("byuActor", i, "")])
locals()[get_variable_name("hull", i, "")] = vtk.vtkHull()
locals()[get_variable_name("hull", i, "")].SetInputConnection(byuReader.GetOutputPort())
locals()[get_variable_name("hullMapper", i, "")] = vtk.vtkPolyDataMapper()
locals()[get_variable_name("hullMapper", i, "")].SetInputConnection(locals()[get_variable_name("hull", i, "")].GetOutputPort())
locals()[get_variable_name("hullActor", i, "")] = vtk.vtkActor()
locals()[get_variable_name("hullActor", i, "")].SetMapper(locals()[get_variable_name("hullMapper", i, "")])
locals()[get_variable_name("hullActor", i, "")].GetProperty().SetColor(1,0,0)
locals()[get_variable_name("hullActor", i, "")].GetProperty().SetAmbient(0.2)
locals()[get_variable_name("hullActor", i, "")].GetProperty().SetDiffuse(0.8)
locals()[get_variable_name("hullActor", i, "")].GetProperty().SetRepresentationToWireframe()
ren1.AddActor(locals()[get_variable_name("hullActor", i, "")])
i = i + 1
byuReader.Update()
diagonal = byuActor0.GetLength()
i = 0
ren1 = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.SetMultiSamples(0)
renWin.AddRenderer(ren1)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
byuReader = vtk.vtkBYUReader()
byuReader.SetGeometryFileName("" + str(VTK_DATA_ROOT) + "/Data/teapot.g")
byuMapper = vtk.vtkPolyDataMapper()
byuMapper.SetInputConnection(byuReader.GetOutputPort())
i = 0
while i < 9:
locals()[get_variable_name("byuActor", i, "")] = vtk.vtkActor()
locals()[get_variable_name("byuActor", i, "")].SetMapper(byuMapper)
ren1.AddActor(locals()[get_variable_name("byuActor", i, "")])
locals()[get_variable_name("hull", i, "")] = vtk.vtkHull()
locals()[get_variable_name("hull", i, "")].SetInputConnection(
byuReader.GetOutputPort())
locals()[get_variable_name("hullMapper", i, "")] = vtk.vtkPolyDataMapper()
locals()[get_variable_name("hullMapper", i, "")].SetInputConnection(
locals()[get_variable_name("hull", i, "")].GetOutputPort())
locals()[get_variable_name("hullActor", i, "")] = vtk.vtkActor()
locals()[get_variable_name("hullActor", i,
"")].SetMapper(locals()[get_variable_name(
"hullMapper", i, "")])
locals()[get_variable_name("hullActor", i,
"")].GetProperty().SetColor(1, 0, 0)
locals()[get_variable_name("hullActor", i,
"")].GetProperty().SetAmbient(0.2)
locals()[get_variable_name("hullActor", i,
"")].GetProperty().SetDiffuse(0.8)
