def Box(bounds=(-1., 1., -1., 1., -1., 1.), level=0, quads=True):
"""Create a box with solid faces for the given bounds.
Parameters
----------
bounds : np.ndarray or list
Specify the bounding box of the cube.
``(xMin, xMax, yMin, yMax, zMin, zMax)``
level : int
Level of subdivision of the faces.
quads : bool, optional
Flag to tell the source to generate either a quad or two
triangle for a set of four points. Default ``True``.
"""
if np.array(bounds).size != 6:
raise TypeError(
'Bounds must be given as length 6 tuple: (xMin, xMax, yMin, yMax, zMin, zMax)'
)
src = vtk.vtkTessellatedBoxSource()
src.SetLevel(level)
if quads:
src.QuadsOn()
else:
src.QuadsOff()
src.SetBounds(bounds)
src.Update()
return pyvista.wrap(src.GetOutput())
def CreateBox(self, bounds):
"Create a box with the given bounds [xmin,xmax,ymin,ymax,zmin,zmax]"
box = vtk.vtkTessellatedBoxSource()
box.SetBounds(bounds)
box.Update()
self.pd = box.GetOutput()
self.scalars = None
self.SetupPipelineMesh()
def main():
colors = vtk.vtkNamedColors()
bounds = [-10.0, 10.0, 10.0, 20.0, -5.0, 5.0]
boxSource = vtk.vtkTessellatedBoxSource()
boxSource.SetLevel(3)
boxSource.QuadsOn()
boxSource.SetBounds(bounds)
boxSource.SetOutputPointsPrecision(vtk.vtkAlgorithm.SINGLE_PRECISION)
shrink = vtk.vtkShrinkFilter()
shrink.SetInputConnection(boxSource.GetOutputPort())
shrink.SetShrinkFactor(.8)
# Create a mapper and actor.
mapper = vtk.vtkDataSetMapper()
mapper.SetInputConnection(shrink.GetOutputPort())
back = vtk.vtkProperty()
back.SetColor(colors.GetColor3d('Tomato'))
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().EdgeVisibilityOn()
actor.GetProperty().SetColor(colors.GetColor3d('Banana'))
actor.SetBackfaceProperty(back)
# Create a renderer, render window, and interactor.
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
# Add the actors to the scene.
renderer.AddActor(actor)
renderer.SetBackground(colors.GetColor3d('Silver'))
renderer.ResetCamera()
renderer.GetActiveCamera().Azimuth(30)
renderer.GetActiveCamera().Elevation(30)
renderer.ResetCameraClippingRange()
# Render and interact.
renderWindow.SetSize(640, 480)
renderWindow.SetWindowName('TessellatedBoxSource')
renderWindow.Render()
renderWindowInteractor.Start()