def MakePyramid():
# Make a regular square pyramid.
numberOfVertices = 5
points = vtk.vtkPoints()
p0 = [1.0, 1.0, 0.0]
p1 = [-1.0, 1.0, 0.0]
p2 = [-1.0, -1.0, 0.0]
p3 = [1.0, -1.0, 0.0]
p4 = [0.0, 0.0, 1.0]
points.InsertNextPoint(p0)
points.InsertNextPoint(p1)
points.InsertNextPoint(p2)
points.InsertNextPoint(p3)
points.InsertNextPoint(p4)
pyramid = vtk.vtkPyramid()
for i in range(0, numberOfVertices):
pyramid.GetPointIds().SetId(i, i)
ug = vtk.vtkUnstructuredGrid()
ug.SetPoints(points)
ug.InsertNextCell(pyramid.GetCellType(), pyramid.GetPointIds())
return ug
def make_cell_array(index_list):
cells = vtk.vtkCellArray()
n_nodes = len(index_list[0])
for node_list in index_list:
if n_nodes == 8:
cell = vtk.vtkHexahedron()
elif n_nodes == 4:
cell = vtk.vtkTetra()
elif n_nodes == 5:
cell = vtk.vtkPyramid()
elif n_nodes == 6:
cell = vtk.vtkWedge()
else:
print(f'{n_nodes} nodes are not supported at this time')
for ind, value in enumerate(node_list):
cell.GetPointIds().SetId(ind, value)
cells.InsertNextCell(cell)
if n_nodes == 8:
cell_type = vtk.VTK_HEXAHEDRON
elif n_nodes == 4:
cell_type = vtk.VTK_TETRA
elif n_nodes == 5:
cell_type = vtk.VTK_PYRAMID
elif n_nodes == 6:
cell_type = vtk.VTK_WEDGE
return cells, cell_type
def MakePyramid():
'''
Make a regular square pyramid.
'''
numberOfVertices = 5
points = vtk.vtkPoints()
p = [
[1.0, 1.0, 0.0],
[-1.0, 1.0, 0.0],
[-1.0, -1.0, 0.0],
[1.0, -1.0, 0.0],
[0.0, 0.0, 1.0]
]
for pt in p:
points.InsertNextPoint(pt)
pyramid = vtk.vtkPyramid()
for i in range(0, numberOfVertices):
pyramid.GetPointIds().SetId(i, i)
ug = vtk.vtkUnstructuredGrid()
ug.SetPoints(points)
ug.InsertNextCell(pyramid.GetCellType(), pyramid.GetPointIds())
return ug
def MakePyramid():
'''
Make a regular square pyramid.
'''
numberOfVertices = 5
points = vtk.vtkPoints()
p = [
[1.0, 1.0, 0.0],
[-1.0, 1.0, 0.0],
[-1.0, -1.0, 0.0],
[1.0, -1.0, 0.0],
[0.0, 0.0, 1.0]
]
for pt in p:
points.InsertNextPoint(pt)
pyramid = vtk.vtkPyramid()
for i in range(0, numberOfVertices):
pyramid.GetPointIds().SetId(i, i)
ug = vtk.vtkUnstructuredGrid()
ug.SetPoints(points)
ug.InsertNextCell(pyramid.GetCellType(), pyramid.GetPointIds())
return ug
def main():
filenames = list()
uGrids = list()
uGrids.append(MakeUnstructuredGrid(vtk.vtkVertex()))
filenames.append('Vertex.vtu')
uGrids.append(MakePolyVertex())
filenames.append('PolyVertex.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkLine()))
filenames.append('Line.vtu')
uGrids.append(MakePolyLine())
filenames.append('PolyLine.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkTriangle()))
filenames.append('Triangle.vtu')
uGrids.append(MakeTriangleStrip())
filenames.append('TriangleStrip.vtu')
uGrids.append(MakePolygon())
filenames.append('Polygon.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkPixel()))
filenames.append('Pixel.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkQuad()))
filenames.append('Quad.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkTetra()))
filenames.append('Tetra.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkVoxel()))
filenames.append('Voxel.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkHexahedron()))
filenames.append('Hexahedron.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkWedge()))
filenames.append('Wedge.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkPyramid()))
filenames.append('Pyramid.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkPentagonalPrism()))
filenames.append('PentagonalPrism.vtu')
uGrids.append(MakeUnstructuredGrid(vtk.vtkHexagonalPrism()))
filenames.append('HexagonalPrism.vtu')
# Write each grid into a file
for i in range(0, len(uGrids)):
print('Writing: ', filenames[i])
writer = vtk.vtkXMLDataSetWriter()
writer.SetFileName(filenames[i])
writer.SetInputData(uGrids[i])
writer.Write()
def main():
colors = vtk.vtkNamedColors()
points = vtk.vtkPoints()
p0 = [1.0, 1.0, 1.0]
p1 = [-1.0, 1.0, 1.0]
p2 = [-1.0, -1.0, 1.0]
p3 = [1.0, -1.0, 1.0]
p4 = [0.0, 0.0, 0.0]
points.InsertNextPoint(p0)
points.InsertNextPoint(p1)
points.InsertNextPoint(p2)
points.InsertNextPoint(p3)
points.InsertNextPoint(p4)
pyramid = vtk.vtkPyramid()
pyramid.GetPointIds().SetId(0, 0)
pyramid.GetPointIds().SetId(1, 1)
pyramid.GetPointIds().SetId(2, 2)
pyramid.GetPointIds().SetId(3, 3)
pyramid.GetPointIds().SetId(4, 4)
cells = vtk.vtkCellArray()
cells.InsertNextCell(pyramid)
ug = vtk.vtkUnstructuredGrid()
ug.SetPoints(points)
ug.InsertNextCell(pyramid.GetCellType(), pyramid.GetPointIds())
# Create an actor and mapper
mapper = vtk.vtkDataSetMapper()
mapper.SetInputData(ug)
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetColor(colors.GetColor3d("Tomato"))
# Create a renderer, render window, and interactor
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.SetWindowName("Pyramid")
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
renderer.AddActor(actor)
# Create a nice view
renderer.ResetCamera()
renderer.GetActiveCamera().Azimuth(180)
renderer.GetActiveCamera().Elevation(-20)
renderer.ResetCameraClippingRange()
renderer.SetBackground(colors.GetColor3d("Silver"))
renderWindow.Render()
renderWindowInteractor.Start()
def main():
filenames = list()
uGrids = list()
uGrids.append(MakeUnstructuredGrid(vtk.vtkVertex()))
filenames.append("Vertex.vtk")
uGrids.append(MakePolyVertex())
filenames.append("PolyVertex.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkLine()))
filenames.append("Line.vtk")
uGrids.append(MakePolyLine())
filenames.append("PolyLine.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkTriangle()))
filenames.append("Triangle.vtk")
uGrids.append(MakeTriangleStrip())
filenames.append("TriangleStrip.vtk")
uGrids.append(MakePolygon())
filenames.append("Polygon.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkPixel()))
filenames.append("Pixel.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkQuad()))
filenames.append("Quad.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkTetra()))
filenames.append("Tetra.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkVoxel()))
filenames.append("Voxel.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkHexahedron()))
filenames.append("Hexahedron.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkWedge()))
filenames.append("Wedge.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkPyramid()))
filenames.append("Pyramid.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkPentagonalPrism()))
filenames.append("PentagonalPrism.vtk")
uGrids.append(MakeUnstructuredGrid(vtk.vtkHexagonalPrism()))
filenames.append("HexagonalPrism.vtk")
# Write each grid into a file
for i in range(0, len(uGrids)):
print("Writing: ", filenames[i])
writer = vtk.vtkUnstructuredGridWriter()
writer.SetFileName(filenames[i])
writer.SetInputData(uGrids[i])
writer.Write()
def Vtk_cell_types():
vtk_types = [
] #(vtk_type, vtk_id, vtkCell) <= linear cell types found in VTK
vtk_types.append(("VTK_TRIANGLE", 5, vtk.vtkTriangle()))
vtk_types.append(("VTK_QUAD", 9, vtk.vtkQuad()))
vtk_types.append(("VTK_TETRA", 10, vtk.vtkTetra()))
vtk_types.append(("VTK_PYRAMID", 14, vtk.vtkPyramid()))
vtk_types.append(("VTK_WEDGE", 13, vtk.vtkWedge()))
vtk_types.append(("VTK_HEXAHEDRON", 12, vtk.vtkHexahedron()))
return vtk_types
def buildPartialVTKGrid(self, factag):
#get points required for factag
pointsList = self.getPointsWithFactag(factag)
#create a lookup table so we can map the
#cells from the global list to a local list
points = vtk.vtkPoints()
localIdx = 0
ptMap = {}
for pt in pointsList:
ptMap[int(pt)] = localIdx
localIdx = localIdx + 1
p = self.mesh.coords[(pt * 3):(pt * 3 + 3)]
points.InsertNextPoint(p)
vtkgrid = vtk.vtkUnstructuredGrid()
vtkgrid.SetPoints(points)
#get elements that have desired factag
felements = self.getElementsWithFactag(factag)
#build the vtk elements
for element in felements:
type = element.getType()
nodes = element.nodes
if type == eTypes.TRI:
cell = vtk.vtkTriangle()
elif type == eTypes.QUAD:
cell = vtk.vtkQuad()
elif type == eTypes.TET:
cell = vtk.vtkTetra()
elif type == eTypes.PYRAMID:
cell = vtk.vtkPyramid()
elif type == eTypes.PRISM:
cell = vtk.vtkWedge() #prism
elif type == eTypes.HEX:
cell = vtk.vtkHexahedron()
else:
raise # throw an exception
j = 0
for n in nodes:
localId = ptMap[int(n)]
cell.GetPointIds().SetId(j, localId)
j = j + 1
vtkgrid.InsertNextCell(cell.GetCellType(), cell.GetPointIds())
return vtkgrid
def Pyramid(points):
"""Create a pyramid defined by 5 points.
Parameters
----------
points : np.ndarray or list
Points of the pyramid. Points are ordered such that the first
four points are the four counterclockwise points on the
quadrilateral face, and the last point is the apex.
Returns
-------
pyramid : pyvista.UnstructuredGrid
Examples
--------
>>> import pyvista
>>> pointa = [1.0, 1.0, 1.0]
>>> pointb = [-1.0, 1.0, 1.0]
>>> pointc = [-1.0, -1.0, 1.0]
>>> pointd = [1.0, -1.0, 1.0]
>>> pointe = [0.0, 0.0, 0.0]
>>> pyramid = pyvista.Pyramid([pointa, pointb, pointc, pointd, pointe])
>>> pyramid.plot() # doctest:+SKIP
"""
if len(points) != 5:
raise TypeError('Points must be given as length 5 np.ndarray or list')
check_valid_vector(points[0], 'points[0]')
check_valid_vector(points[1], 'points[1]')
check_valid_vector(points[2], 'points[2]')
check_valid_vector(points[3], 'points[3]')
check_valid_vector(points[4], 'points[4]')
pyramid = vtk.vtkPyramid()
pyramid.GetPointIds().SetId(0, 0)
pyramid.GetPointIds().SetId(1, 1)
pyramid.GetPointIds().SetId(2, 2)
pyramid.GetPointIds().SetId(3, 3)
pyramid.GetPointIds().SetId(4, 4)
ug = vtk.vtkUnstructuredGrid()
ug.SetPoints(pyvista.vtk_points(np.array(points), False))
ug.InsertNextCell(pyramid.GetCellType(), pyramid.GetPointIds())
return pyvista.wrap(ug)
def buildPartialVTKGrid(self, factag):
#get points required for factag
pointsList = self.getPointsWithFactag(factag)
#create a lookup table so we can map the
#cells from the global list to a local list
points = vtk.vtkPoints()
localIdx = 0
ptMap = {}
for pt in pointsList:
ptMap[int(pt)] = localIdx
localIdx = localIdx + 1
p = self.mesh.coords[(pt*3):(pt*3+3)]
points.InsertNextPoint(p)
vtkgrid = vtk.vtkUnstructuredGrid()
vtkgrid.SetPoints(points)
#get elements that have desired factag
felements = self.getElementsWithFactag(factag)
#build the vtk elements
for element in felements:
type = element.getType()
nodes = element.nodes
if type == eTypes.TRI:
cell = vtk.vtkTriangle()
elif type == eTypes.QUAD:
cell = vtk.vtkQuad()
elif type == eTypes.TET:
cell = vtk.vtkTetra()
elif type == eTypes.PYRAMID:
cell = vtk.vtkPyramid()
elif type == eTypes.PRISM:
cell = vtk.vtkWedge() #prism
elif type == eTypes.HEX:
cell = vtk.vtkHexahedron()
else:
raise # throw an exception
j = 0
for n in nodes:
localId = ptMap[int(n)]
cell.GetPointIds().SetId(j,localId)
j = j+1
vtkgrid.InsertNextCell(cell.GetCellType(), cell.GetPointIds())
return vtkgrid
def __init__(self):
self.obj = None
self.num_pts = -1
self.vtk_pts = vtk.vtkPoints()
self.vtk_cells = vtk.vtkCellArray()
self.vtk_tetra = vtk.vtkTetra()
self.vtk_props = []
self.vtk_cells_type = []
self.vtk_cells_id = []
self.vtk_types = [
] #(vtk_type, vtk_id, vtkCell) <= linear cell types found in VTK
self.vtk_types.append(("VTK_TRIANGLE", 5, vtk.vtkTriangle()))
self.vtk_types.append(("VTK_QUAD", 9, vtk.vtkQuad()))
self.vtk_types.append(("VTK_TETRA", 10, vtk.vtkTetra()))
self.vtk_types.append(("VTK_PYRAMID", 14, vtk.vtkPyramid()))
self.vtk_types.append(("VTK_WEDGE", 13, vtk.vtkWedge()))
self.vtk_types.append(("VTK_HEXAHEDRON", 12, vtk.vtkHexahedron()))
print "\n+Vtk_writer"
def buildFullVTKGrid(self):
# Create the points for VTK
points = vtk.vtkPoints()
for i in range(0, len(self.mesh.coords) / 3):
p = self.mesh.coords[(i * 3):(i * 3 + 3)]
points.InsertNextPoint(p)
#add the points and cells to unstructured grid
vtkgrid = vtk.vtkUnstructuredGrid()
vtkgrid.SetPoints(points)
#add the VTK elements to the mesh
for element in self.mesh.elements:
type = element.getType()
nodes = element.nodes
cell = vtk.vtkTriangle()
if type == eTypes.TRI:
cell = vtk.vtkTriangle()
elif type == eTypes.QUAD:
cell = vtk.vtkQuad()
elif type == eTypes.TET:
cell = vtk.vtkTetra()
elif type == eTypes.PYRAMID:
cell = vtk.vtkPyramid()
elif type == eTypes.PRISM:
cell = vtk.vtkWedge() #prism
elif type == eTypes.HEX:
cell = vtk.vtkHexahedron()
else:
raise # throw an exception
j = 0
for n in nodes:
cell.GetPointIds().SetId(j, n)
j = j + 1
vtkgrid.InsertNextCell(cell.GetCellType(), cell.GetPointIds())
return vtkgrid
def buildFullVTKGrid(self):
# Create the points for VTK
points = vtk.vtkPoints()
for i in range(0, len(self.mesh.coords)/3):
p = self.mesh.coords[(i*3):(i*3+3)]
points.InsertNextPoint(p)
#add the points and cells to unstructured grid
vtkgrid = vtk.vtkUnstructuredGrid()
vtkgrid.SetPoints(points)
#add the VTK elements to the mesh
for element in self.mesh.elements:
type = element.getType()
nodes = element.nodes
cell = vtk.vtkTriangle()
if type == eTypes.TRI:
cell = vtk.vtkTriangle()
elif type == eTypes.QUAD:
cell = vtk.vtkQuad()
elif type == eTypes.TET:
cell = vtk.vtkTetra()
elif type == eTypes.PYRAMID:
cell = vtk.vtkPyramid()
elif type == eTypes.PRISM:
cell = vtk.vtkWedge() #prism
elif type == eTypes.HEX:
cell = vtk.vtkHexahedron()
else:
raise # throw an exception
j = 0
for n in nodes:
cell.GetPointIds().SetId(j,n)
j = j+1
vtkgrid.InsertNextCell(cell.GetCellType(), cell.GetPointIds())
return vtkgrid
def Plot_uGridQual(grid):
""" Plots quality of a unstructured grid while ignoring pyramids and wedges """
# Create quality filter
qual_filter = vtk.vtkMeshQuality()
if vtk.vtkVersion().GetVTKMajorVersion() >5:
qual_filter.SetInput(grid)
else:
qual_filter.SetInputData(grid)
qual_filter.SetHexQualityMeasureToScaledJacobian()
qual_filter.SetTetQualityMeasureToScaledJacobian()
qual_filter.SaveCellQualityOn
qual_filter.Update()
qual_out = qual_filter.GetOutput()
# Get quality as array
qual = VN.vtk_to_numpy(qual_out.GetCellData().GetScalars())
# If unstructured then replace quality of pyramids and wedges wtih nans
if str(grid)[:5] =='vtkUnstructuredGrid':
# Get cell types
celltypes = VN.vtk_to_numpy(qual_out.GetCellTypesArray())
# Set quality of wedges and pyramids to 1
wedge_pyr_celltypes = [vtk.vtkWedge().GetCellType(), vtk.vtkPyramid().GetCellType()]
qual[np.in1d(celltypes, wedge_pyr_celltypes)] = 1
# Reinsert quality array back into uGrid
vtkfloat = VN.numpy_to_vtk(np.ascontiguousarray(qual), deep=True)
qual_out.GetCellData().SetScalars(vtkfloat)
# otherwise, negate the grid quality
else:
qual = -qual
vtkfloat = VN.numpy_to_vtk(np.ascontiguousarray(qual), deep=True)
qual_out.GetCellData().SetScalars(vtkfloat)
################################# Plotting #################################
# Create mapper
mapper = vtk.vtkDataSetMapper()
if vtk.vtkVersion().GetVTKMajorVersion() >5:
mapper.SetInput(qual_out)
else:
mapper.SetInputData(qual_out)
mapper.SetScalarRange(np.nanmin(qual), np.nanmax(qual))
# Create Actor
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetRepresentationToSurface()
actor.GetProperty().EdgeVisibilityOn()
actor.GetProperty().SetColor(1, 1, 1)
actor.GetProperty().LightingOff()
# Add FEM Actor to renderer window
ren = vtk.vtkRenderer()
ren.SetBackground(0.3, 0.3, 0.3)
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Allow user to interact
istyle = vtk.vtkInteractorStyleTrackballCamera()
iren.SetInteractorStyle(istyle)
# Add surface to display
ren.AddActor(actor)
# Add scalar bar
scalarBar = vtk.vtkScalarBarActor()
scalarBar.SetLookupTable(mapper.GetLookupTable())
scalarBar.SetTitle('Quality')
scalarBar.SetNumberOfLabels(5)
ren.AddActor(scalarBar)
# Render
iren.Initialize()
renWin.Render()
renWin.SetWindowName('FEM Element Quality')
iren.Start()
ids.SetId(5,57) ids.SetId(7,59) ids.SetId(6,60) ugrid.InsertNextCell(hexa.GetCellType(),ids) # pixel pixel = vtk.vtkPixel() ids.SetNumberOfIds(4) ids.SetId(0,61) ids.SetId(1,62) ids.SetId(2,63) ids.SetId(3,64) ugrid.InsertNextCell(pixel.GetCellType(),ids) # pyramid pyr = vtk.vtkPyramid() ids.SetNumberOfIds(5) ids.SetId(0,65) ids.SetId(1,66) ids.SetId(2,68) ids.SetId(3,67) ids.SetId(4,69) ugrid.InsertNextCell(pyr.GetCellType(),ids) # wedge wedge = vtk.vtkWedge() ids.SetNumberOfIds(6) ids.SetId(0,70) ids.SetId(1,71) ids.SetId(2,74) ids.SetId(3,72)
# vtkTetra np = points.GetNumberOfPoints() lst = normalize([(0,0,0),(1,0,0),(1,1,0),(1,0,1)]) for x,y,z in lst: points.InsertNextPoint(x,y,z) cell = vtk.vtkTetra() for i in range(len(lst)): cell.GetPointIds().SetId(i, i+np) UG.InsertNextCell(cell.GetCellType(), cell.GetPointIds() ) # vtkPyramid np = points.GetNumberOfPoints() lst = normalize([( 1, 1, 0),(-1, 1, 0),(-1,-1, 0),( 1,-1, 0),( 0, 0, 1)]) for x,y,z in lst: points.InsertNextPoint(x+2,y,z) cell = vtk.vtkPyramid() for i in range(len(lst)): cell.GetPointIds().SetId(i, i+np) UG.InsertNextCell(cell.GetCellType(), cell.GetPointIds() ) # vtkWedge np = points.GetNumberOfPoints() lst = normalize([(0, 1, 0),(0, 0, 0),(0,.5,.5),(1, 1, 0),(1,.0,.0),(1,.5,.5)]) for x,y,z in lst: points.InsertNextPoint(x+4,y,z) cell = vtk.vtkWedge() for i in range(len(lst)): cell.GetPointIds().SetId(i, i+np) UG.InsertNextCell(cell.GetCellType(), cell.GetPointIds() )
def add_vectorized_elements(model, nelements: int, idtype: str, log):
dim_array = np.full(nelements, -1, dtype='int32')
pids_array = np.zeros(nelements, 'int32')
nnodes_array = np.full(nelements, -1, dtype='int32')
#mids = np.zeros(nelements, 'int32')
#material_coord = np.zeros(nelements, 'int32')
#min_interior_angle = np.zeros(nelements, 'float32')
#max_interior_angle = np.zeros(nelements, 'float32')
#dideal_theta = np.zeros(nelements, 'float32')
#max_skew_angle = np.zeros(nelements, 'float32')
#max_warp_angle = np.zeros(nelements, 'float32')
#max_aspect_ratio = np.zeros(nelements, 'float32')
#area = np.zeros(nelements, 'float32')
#area_ratio = np.zeros(nelements, 'float32')
#taper_ratio = np.zeros(nelements, 'float32')
#min_edge_length = np.zeros(nelements, 'float32')
if len(model.ctria3):
model.ctria3.quality()
#if len(model.tria6):
#model.tria6.quality()
#if len(model.quad4):
#model.quad4.quality()
#if len(model.cquad8):
#model.cquad8.quality()
#if len(model.cquad):
#model.cquad.quality()
nids_list = [] # type: List[int]
unused_ieid = 0
unused_cell_offset = 0
eids_array = np.zeros(nelements, dtype=idtype)
cell_types_array = np.zeros(nelements, dtype=idtype)
cell_offsets_array = np.zeros(nelements, dtype=idtype)
results = {
'pid': pids_array,
'eid': eids_array,
'nnodes': nnodes_array,
'dim': dim_array,
}
cell_type_point = vtk.vtkVertex().GetCellType()
cell_type_line = vtk.vtkLine().GetCellType()
cell_type_tri3 = 5
cell_type_tri6 = 22
cell_type_quad4 = 9
cell_type_quad8 = 23
cell_type_tetra4 = 10
cell_type_tetra10 = 24
cell_type_pyram5 = vtk.vtkPyramid().GetCellType()
cell_type_pyram13 = vtk.vtkQuadraticPyramid().GetCellType()
cell_type_hexa8 = 12
cell_type_hexa20 = 25
cell_type_penta6 = 13
cell_type_penta15 = 26
unused_all_eids = model.elements2.eids
#print('type(eids) =', type(all_eids)) # list
#print('all_eids =', all_eids)
#ncelas1 = len(model.celas1)
#ncelas2 = len(model.celas2)
#ncelas3 = len(model.celas3)
#ncelas4 = len(model.celas4)
#ncdamp1 = len(model.cdamp1)
#ncdamp2 = len(model.cdamp2)
#ncdamp3 = len(model.cdamp3)
#ncdamp4 = len(model.cdamp4)
#ncdamp5 = len(model.cdamp5)
#nconrod = len(model.conrod)
#ncrod = len(model.crod)
#nctube = len(model.ctube)
#ncbar = len(model.cbar)
#ncbeam = len(model.cbeam)
#ncshear = len(model.cshear)
#nctria3 = len(model.ctria3)
#ncquad4 = len(model.cquad4)
#nctria6 = len(model.ctria6)
#ncquad8 = len(model.cquad8)
#ncquad = len(model.cquad)
#nctetra4 = len(model.ctetra4)
#ncpenta6 = len(model.cpenta6)
#nchexa8 = len(model.chexa8)
#ncpyram5 = len(model.cpyram5)
#nsolids = nctetra4 + ncpenta6 + nchexa8
ieid0 = 0
cell_offset0 = 0
nids_list = []
nodes = model.nodes
ieid0, cell_offset0 = map_elements_vectorized_fill_spring(
log, ieid0, cell_offset0, nodes, nids_list, eids_array, pids_array,
nnodes_array, dim_array, cell_types_array, cell_offsets_array,
model.celas1, cell_type_line, cell_type_point)
ieid0, cell_offset0 = map_elements_vectorized_fill_spring(
log, ieid0, cell_offset0, nodes, nids_list, eids_array, pids_array,
nnodes_array, dim_array, cell_types_array, cell_offsets_array,
model.celas2, cell_type_line, cell_type_point)
ieid0, cell_offset0 = map_elements_vectorized_fill_spring(
log, ieid0, cell_offset0, nodes, nids_list, eids_array, pids_array,
nnodes_array, dim_array, cell_types_array, cell_offsets_array,
model.celas3, cell_type_line, cell_type_point)
ieid0, cell_offset0 = map_elements_vectorized_fill_spring(
log, ieid0, cell_offset0, nodes, nids_list, eids_array, pids_array,
nnodes_array, dim_array, cell_types_array, cell_offsets_array,
model.celas4, cell_type_line, cell_type_point)
ieid0, cell_offset0 = map_elements_vectorized_fill_spring(
log, ieid0, cell_offset0, nodes, nids_list, eids_array, pids_array,
nnodes_array, dim_array, cell_types_array, cell_offsets_array,
model.cdamp1, cell_type_line, cell_type_point)
ieid0, cell_offset0 = map_elements_vectorized_fill_spring(
log, ieid0, cell_offset0, nodes, nids_list, eids_array, pids_array,
nnodes_array, dim_array, cell_types_array, cell_offsets_array,
model.cdamp2, cell_type_line, cell_type_point)
ieid0, cell_offset0 = map_elements_vectorized_fill_spring(
log, ieid0, cell_offset0, nodes, nids_list, eids_array, pids_array,
nnodes_array, dim_array, cell_types_array, cell_offsets_array,
model.cdamp3, cell_type_line, cell_type_point)
ieid0, cell_offset0 = map_elements_vectorized_fill_spring(
log, ieid0, cell_offset0, nodes, nids_list, eids_array, pids_array,
nnodes_array, dim_array, cell_types_array, cell_offsets_array,
model.cdamp4, cell_type_line, cell_type_point)
ieid0, cell_offset0 = map_elements_vectorized_fill_spring(
log, ieid0, cell_offset0, nodes, nids_list, eids_array, pids_array,
nnodes_array, dim_array, cell_types_array, cell_offsets_array,
model.cvisc, cell_type_line, cell_type_point)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.plotel,
cell_type_line,
nnodesi=2,
dimi=2)
ieid0, cell_offset0 = map_elements_vectorized_fill_spring(
log, ieid0, cell_offset0, nodes, nids_list, eids_array, pids_array,
nnodes_array, dim_array, cell_types_array, cell_offsets_array,
model.cbush, cell_type_line, cell_type_point)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.conrod,
cell_type_line,
nnodesi=2,
dimi=2)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.crod,
cell_type_line,
nnodesi=2,
dimi=2)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.ctube,
cell_type_line,
nnodesi=2,
dimi=2)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cbar,
cell_type_line,
nnodesi=2,
dimi=1)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cbeam,
cell_type_line,
nnodesi=2,
dimi=1)
#model.cbend
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cshear,
cell_type_quad4,
nnodesi=4,
dimi=2)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.ctria3,
cell_type_tri3,
nnodesi=3,
dimi=2)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cquad4,
cell_type_quad4,
nnodesi=4,
dimi=2)
ieid0, cell_offset0 = map_elements_vectorized_fill(
log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.ctria6,
cell_type_tri6,
nnodesi=6,
dimi=2,
allow0=True,
cell_type_allow=cell_type_tri3)
ieid0, cell_offset0 = map_elements_vectorized_fill(
log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cquad8,
cell_type_quad8,
nnodesi=8,
dimi=2,
allow0=True,
cell_type_allow=cell_type_quad8)
ieid0, cell_offset0 = map_elements_vectorized_fill(
log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cquad,
cell_type_quad8,
nnodesi=8,
dimi=2,
allow0=True,
cell_type_allow=cell_type_quad8)
ieid0, cell_offset0 = map_elements_vectorized_fill(
log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.ctriar,
cell_type_tri6,
nnodesi=6,
dimi=2,
allow0=True,
cell_type_allow=cell_type_tri3)
ieid0, cell_offset0 = map_elements_vectorized_fill(
log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cquadr,
cell_type_tri6,
nnodesi=6,
dimi=2,
allow0=True,
cell_type_allow=cell_type_quad4)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.ctetra4,
cell_type_tetra4,
nnodesi=4,
dimi=3)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cpenta6,
cell_type_penta6,
nnodesi=8,
dimi=3)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.chexa8,
cell_type_hexa8,
nnodesi=8,
dimi=3)
ieid0, cell_offset0 = map_elements_vectorized_fill(log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cpyram5,
cell_type_pyram5,
nnodesi=8,
dimi=3)
ieid0, cell_offset0 = map_elements_vectorized_fill(
log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.ctetra10,
cell_type_tetra10,
nnodesi=4,
dimi=3,
allow0=True,
cell_type_allow=cell_type_tetra4)
ieid0, cell_offset0 = map_elements_vectorized_fill(
log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cpenta15,
cell_type_penta15,
nnodesi=8,
dimi=3,
allow0=True,
cell_type_allow=cell_type_penta6)
ieid0, cell_offset0 = map_elements_vectorized_fill(
log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.chexa20,
cell_type_hexa20,
nnodesi=8,
dimi=3,
allow0=True,
cell_type_allow=cell_type_hexa8)
ieid0, cell_offset0 = map_elements_vectorized_fill(
log,
ieid0,
cell_offset0,
nodes,
nids_list,
eids_array,
pids_array,
nnodes_array,
dim_array,
cell_types_array,
cell_offsets_array,
model.cpyram13,
cell_type_pyram13,
nnodesi=8,
dimi=3,
allow0=True,
cell_type_allow=cell_type_pyram5)
# model.chbdyg
# model.chbdye
# model.chbdyp
return cell_types_array, cell_offsets_array, nids_list, eids_array, results
pyramidPoints.SetNumberOfPoints(5) pyramidPoints.InsertPoint(0, 0, 0, 0) pyramidPoints.InsertPoint(1, 1, 0, 0) pyramidPoints.InsertPoint(2, 1, 1, 0) pyramidPoints.InsertPoint(3, 0, 1, 0) pyramidPoints.InsertPoint(4, .5, .5, 1) pyramidScalars = vtk.vtkFloatArray() pyramidScalars.SetNumberOfTuples(5) pyramidScalars.InsertValue(0, 1) pyramidScalars.InsertValue(1, 1) pyramidScalars.InsertValue(2, 1) pyramidScalars.InsertValue(3, 1) pyramidScalars.InsertValue(4, 0) aPyramid = vtk.vtkPyramid() aPyramid.GetPointIds().SetId(0, 0) aPyramid.GetPointIds().SetId(1, 1) aPyramid.GetPointIds().SetId(2, 2) aPyramid.GetPointIds().SetId(3, 3) aPyramid.GetPointIds().SetId(4, 4) aPyramidGrid = vtk.vtkUnstructuredGrid() aPyramidGrid.Allocate(1, 1) aPyramidGrid.InsertNextCell(aPyramid.GetCellType(), aPyramid.GetPointIds()) aPyramidGrid.SetPoints(pyramidPoints) aPyramidGrid.GetPointData().SetScalars(pyramidScalars) pyramidContours = vtk.vtkContourFilter() pyramidContours.SetInputData(aPyramidGrid) pyramidContours.SetValue(0, .5)
def __init__(self, inputobj=None):
vtk.vtkActor.__init__(self)
BaseGrid.__init__(self)
inputtype = str(type(inputobj))
self._data = None
self._polydata = None
self.name = "UGrid"
###################
if inputobj is None:
self._data = vtk.vtkUnstructuredGrid()
elif utils.isSequence(inputobj):
pts, cells, celltypes = inputobj
self._data = vtk.vtkUnstructuredGrid()
if not utils.isSequence(cells[0]):
tets = []
nf = cells[0] + 1
for i, cl in enumerate(cells):
if i == nf or i == 0:
k = i + 1
nf = cl + k
cell = [cells[j + k] for j in range(cl)]
tets.append(cell)
cells = tets
# This would fill the points and use those to define orientation
vpts = utils.numpy2vtk(pts, dtype=float)
points = vtk.vtkPoints()
points.SetData(vpts)
self._data.SetPoints(points)
# This fill the points and use cells to define orientation
# points = vtk.vtkPoints()
# for c in cells:
# for pid in c:
# points.InsertNextPoint(pts[pid])
# self._data.SetPoints(points)
# Fill cells
# https://vtk.org/doc/nightly/html/vtkCellType_8h_source.html
for i, ct in enumerate(celltypes):
cell_conn = cells[i]
if ct == vtk.VTK_HEXAHEDRON:
cell = vtk.vtkHexahedron()
elif ct == vtk.VTK_TETRA:
cell = vtk.vtkTetra()
elif ct == vtk.VTK_VOXEL:
cell = vtk.vtkVoxel()
elif ct == vtk.VTK_WEDGE:
cell = vtk.vtkWedge()
elif ct == vtk.VTK_PYRAMID:
cell = vtk.vtkPyramid()
elif ct == vtk.VTK_HEXAGONAL_PRISM:
cell = vtk.vtkHexagonalPrism()
elif ct == vtk.VTK_PENTAGONAL_PRISM:
cell = vtk.vtkPentagonalPrism()
else:
print("UGrid: cell type", ct, "not implemented. Skip.")
continue
cpids = cell.GetPointIds()
for j, pid in enumerate(cell_conn):
cpids.SetId(j, pid)
self._data.InsertNextCell(ct, cpids)
elif "UnstructuredGrid" in inputtype:
self._data = inputobj
elif isinstance(inputobj, str):
from vedo.io import download, loadUnStructuredGrid
if "https://" in inputobj:
inputobj = download(inputobj, verbose=False)
self._data = loadUnStructuredGrid(inputobj)
self.filename = inputobj
else:
colors.printc("UGrid(): cannot understand input type:\n",
inputtype,
c='r')
return
# self._mapper = vtk.vtkDataSetMapper()
self._mapper = vtk.vtkPolyDataMapper()
self._mapper.SetInterpolateScalarsBeforeMapping(
settings.interpolateScalarsBeforeMapping)
if settings.usePolygonOffset:
self._mapper.SetResolveCoincidentTopologyToPolygonOffset()
pof, pou = settings.polygonOffsetFactor, settings.polygonOffsetUnits
self._mapper.SetResolveCoincidentTopologyPolygonOffsetParameters(
pof, pou)
self.GetProperty().SetInterpolationToFlat()
if not self._data:
return
# now fill the representation of the vtk unstr grid
sf = vtk.vtkShrinkFilter()
sf.SetInputData(self._data)
sf.SetShrinkFactor(1.0)
sf.Update()
gf = vtk.vtkGeometryFilter()
gf.SetInputData(sf.GetOutput())
gf.Update()
self._polydata = gf.GetOutput()
self._mapper.SetInputData(self._polydata)
sc = None
if self.useCells:
sc = self._polydata.GetCellData().GetScalars()
else:
sc = self._polydata.GetPointData().GetScalars()
if sc:
self._mapper.SetScalarRange(sc.GetRange())
self.SetMapper(self._mapper)
self.property = self.GetProperty()
def testCells(self):
# Demonstrates all cell types
#
# NOTE: the use of NewInstance/DeepCopy is included to increase
# regression coverage. It is not required in most applications.
ren = vtk.vtkRenderer()
# turn off all cullers
ren.GetCullers().RemoveAllItems()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.SetSize(300, 150)
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
# create a scene with one of each cell type
# Voxel
voxelPoints = vtk.vtkPoints()
voxelPoints.SetNumberOfPoints(8)
voxelPoints.InsertPoint(0, 0, 0, 0)
voxelPoints.InsertPoint(1, 1, 0, 0)
voxelPoints.InsertPoint(2, 0, 1, 0)
voxelPoints.InsertPoint(3, 1, 1, 0)
voxelPoints.InsertPoint(4, 0, 0, 1)
voxelPoints.InsertPoint(5, 1, 0, 1)
voxelPoints.InsertPoint(6, 0, 1, 1)
voxelPoints.InsertPoint(7, 1, 1, 1)
aVoxel = vtk.vtkVoxel()
aVoxel.GetPointIds().SetId(0, 0)
aVoxel.GetPointIds().SetId(1, 1)
aVoxel.GetPointIds().SetId(2, 2)
aVoxel.GetPointIds().SetId(3, 3)
aVoxel.GetPointIds().SetId(4, 4)
aVoxel.GetPointIds().SetId(5, 5)
aVoxel.GetPointIds().SetId(6, 6)
aVoxel.GetPointIds().SetId(7, 7)
bVoxel = aVoxel.NewInstance()
bVoxel.DeepCopy(aVoxel)
aVoxelGrid = vtk.vtkUnstructuredGrid()
aVoxelGrid.Allocate(1, 1)
aVoxelGrid.InsertNextCell(aVoxel.GetCellType(), aVoxel.GetPointIds())
aVoxelGrid.SetPoints(voxelPoints)
aVoxelMapper = vtk.vtkDataSetMapper()
aVoxelMapper.SetInputData(aVoxelGrid)
aVoxelActor = vtk.vtkActor()
aVoxelActor.SetMapper(aVoxelMapper)
aVoxelActor.GetProperty().BackfaceCullingOn()
# Hexahedron
hexahedronPoints = vtk.vtkPoints()
hexahedronPoints.SetNumberOfPoints(8)
hexahedronPoints.InsertPoint(0, 0, 0, 0)
hexahedronPoints.InsertPoint(1, 1, 0, 0)
hexahedronPoints.InsertPoint(2, 1, 1, 0)
hexahedronPoints.InsertPoint(3, 0, 1, 0)
hexahedronPoints.InsertPoint(4, 0, 0, 1)
hexahedronPoints.InsertPoint(5, 1, 0, 1)
hexahedronPoints.InsertPoint(6, 1, 1, 1)
hexahedronPoints.InsertPoint(7, 0, 1, 1)
aHexahedron = vtk.vtkHexahedron()
aHexahedron.GetPointIds().SetId(0, 0)
aHexahedron.GetPointIds().SetId(1, 1)
aHexahedron.GetPointIds().SetId(2, 2)
aHexahedron.GetPointIds().SetId(3, 3)
aHexahedron.GetPointIds().SetId(4, 4)
aHexahedron.GetPointIds().SetId(5, 5)
aHexahedron.GetPointIds().SetId(6, 6)
aHexahedron.GetPointIds().SetId(7, 7)
bHexahedron = aHexahedron.NewInstance()
bHexahedron.DeepCopy(aHexahedron)
aHexahedronGrid = vtk.vtkUnstructuredGrid()
aHexahedronGrid.Allocate(1, 1)
aHexahedronGrid.InsertNextCell(aHexahedron.GetCellType(),
aHexahedron.GetPointIds())
aHexahedronGrid.SetPoints(hexahedronPoints)
aHexahedronMapper = vtk.vtkDataSetMapper()
aHexahedronMapper.SetInputData(aHexahedronGrid)
aHexahedronActor = vtk.vtkActor()
aHexahedronActor.SetMapper(aHexahedronMapper)
aHexahedronActor.AddPosition(2, 0, 0)
aHexahedronActor.GetProperty().BackfaceCullingOn()
# Tetra
tetraPoints = vtk.vtkPoints()
tetraPoints.SetNumberOfPoints(4)
tetraPoints.InsertPoint(0, 0, 0, 0)
tetraPoints.InsertPoint(1, 1, 0, 0)
tetraPoints.InsertPoint(2, .5, 1, 0)
tetraPoints.InsertPoint(3, .5, .5, 1)
aTetra = vtk.vtkTetra()
aTetra.GetPointIds().SetId(0, 0)
aTetra.GetPointIds().SetId(1, 1)
aTetra.GetPointIds().SetId(2, 2)
aTetra.GetPointIds().SetId(3, 3)
bTetra = aTetra.NewInstance()
bTetra.DeepCopy(aTetra)
aTetraGrid = vtk.vtkUnstructuredGrid()
aTetraGrid.Allocate(1, 1)
aTetraGrid.InsertNextCell(aTetra.GetCellType(), aTetra.GetPointIds())
aTetraGrid.SetPoints(tetraPoints)
aTetraCopy = vtk.vtkUnstructuredGrid()
aTetraCopy.ShallowCopy(aTetraGrid)
aTetraMapper = vtk.vtkDataSetMapper()
aTetraMapper.SetInputData(aTetraCopy)
aTetraActor = vtk.vtkActor()
aTetraActor.SetMapper(aTetraMapper)
aTetraActor.AddPosition(4, 0, 0)
aTetraActor.GetProperty().BackfaceCullingOn()
# Wedge
wedgePoints = vtk.vtkPoints()
wedgePoints.SetNumberOfPoints(6)
wedgePoints.InsertPoint(0, 0, 1, 0)
wedgePoints.InsertPoint(1, 0, 0, 0)
wedgePoints.InsertPoint(2, 0, .5, .5)
wedgePoints.InsertPoint(3, 1, 1, 0)
wedgePoints.InsertPoint(4, 1, 0, 0)
wedgePoints.InsertPoint(5, 1, .5, .5)
aWedge = vtk.vtkWedge()
aWedge.GetPointIds().SetId(0, 0)
aWedge.GetPointIds().SetId(1, 1)
aWedge.GetPointIds().SetId(2, 2)
aWedge.GetPointIds().SetId(3, 3)
aWedge.GetPointIds().SetId(4, 4)
aWedge.GetPointIds().SetId(5, 5)
bWedge = aWedge.NewInstance()
bWedge.DeepCopy(aWedge)
aWedgeGrid = vtk.vtkUnstructuredGrid()
aWedgeGrid.Allocate(1, 1)
aWedgeGrid.InsertNextCell(aWedge.GetCellType(), aWedge.GetPointIds())
aWedgeGrid.SetPoints(wedgePoints)
aWedgeCopy = vtk.vtkUnstructuredGrid()
aWedgeCopy.DeepCopy(aWedgeGrid)
aWedgeMapper = vtk.vtkDataSetMapper()
aWedgeMapper.SetInputData(aWedgeCopy)
aWedgeActor = vtk.vtkActor()
aWedgeActor.SetMapper(aWedgeMapper)
aWedgeActor.AddPosition(6, 0, 0)
aWedgeActor.GetProperty().BackfaceCullingOn()
# Pyramid
pyramidPoints = vtk.vtkPoints()
pyramidPoints.SetNumberOfPoints(5)
pyramidPoints.InsertPoint(0, 0, 0, 0)
pyramidPoints.InsertPoint(1, 1, 0, 0)
pyramidPoints.InsertPoint(2, 1, 1, 0)
pyramidPoints.InsertPoint(3, 0, 1, 0)
pyramidPoints.InsertPoint(4, .5, .5, 1)
aPyramid = vtk.vtkPyramid()
aPyramid.GetPointIds().SetId(0, 0)
aPyramid.GetPointIds().SetId(1, 1)
aPyramid.GetPointIds().SetId(2, 2)
aPyramid.GetPointIds().SetId(3, 3)
aPyramid.GetPointIds().SetId(4, 4)
bPyramid = aPyramid.NewInstance()
bPyramid.DeepCopy(aPyramid)
aPyramidGrid = vtk.vtkUnstructuredGrid()
aPyramidGrid.Allocate(1, 1)
aPyramidGrid.InsertNextCell(aPyramid.GetCellType(),
aPyramid.GetPointIds())
aPyramidGrid.SetPoints(pyramidPoints)
aPyramidMapper = vtk.vtkDataSetMapper()
aPyramidMapper.SetInputData(aPyramidGrid)
aPyramidActor = vtk.vtkActor()
aPyramidActor.SetMapper(aPyramidMapper)
aPyramidActor.AddPosition(8, 0, 0)
aPyramidActor.GetProperty().BackfaceCullingOn()
# Pixel
pixelPoints = vtk.vtkPoints()
pixelPoints.SetNumberOfPoints(4)
pixelPoints.InsertPoint(0, 0, 0, 0)
pixelPoints.InsertPoint(1, 1, 0, 0)
pixelPoints.InsertPoint(2, 0, 1, 0)
pixelPoints.InsertPoint(3, 1, 1, 0)
aPixel = vtk.vtkPixel()
aPixel.GetPointIds().SetId(0, 0)
aPixel.GetPointIds().SetId(1, 1)
aPixel.GetPointIds().SetId(2, 2)
aPixel.GetPointIds().SetId(3, 3)
bPixel = aPixel.NewInstance()
bPixel.DeepCopy(aPixel)
aPixelGrid = vtk.vtkUnstructuredGrid()
aPixelGrid.Allocate(1, 1)
aPixelGrid.InsertNextCell(aPixel.GetCellType(), aPixel.GetPointIds())
aPixelGrid.SetPoints(pixelPoints)
aPixelMapper = vtk.vtkDataSetMapper()
aPixelMapper.SetInputData(aPixelGrid)
aPixelActor = vtk.vtkActor()
aPixelActor.SetMapper(aPixelMapper)
aPixelActor.AddPosition(0, 0, 2)
aPixelActor.GetProperty().BackfaceCullingOn()
# Quad
quadPoints = vtk.vtkPoints()
quadPoints.SetNumberOfPoints(4)
quadPoints.InsertPoint(0, 0, 0, 0)
quadPoints.InsertPoint(1, 1, 0, 0)
quadPoints.InsertPoint(2, 1, 1, 0)
quadPoints.InsertPoint(3, 0, 1, 0)
aQuad = vtk.vtkQuad()
aQuad.GetPointIds().SetId(0, 0)
aQuad.GetPointIds().SetId(1, 1)
aQuad.GetPointIds().SetId(2, 2)
aQuad.GetPointIds().SetId(3, 3)
bQuad = aQuad.NewInstance()
bQuad.DeepCopy(aQuad)
aQuadGrid = vtk.vtkUnstructuredGrid()
aQuadGrid.Allocate(1, 1)
aQuadGrid.InsertNextCell(aQuad.GetCellType(), aQuad.GetPointIds())
aQuadGrid.SetPoints(quadPoints)
aQuadMapper = vtk.vtkDataSetMapper()
aQuadMapper.SetInputData(aQuadGrid)
aQuadActor = vtk.vtkActor()
aQuadActor.SetMapper(aQuadMapper)
aQuadActor.AddPosition(2, 0, 2)
aQuadActor.GetProperty().BackfaceCullingOn()
# Triangle
trianglePoints = vtk.vtkPoints()
trianglePoints.SetNumberOfPoints(3)
trianglePoints.InsertPoint(0, 0, 0, 0)
trianglePoints.InsertPoint(1, 1, 0, 0)
trianglePoints.InsertPoint(2, .5, .5, 0)
triangleTCoords = vtk.vtkFloatArray()
triangleTCoords.SetNumberOfComponents(2)
triangleTCoords.SetNumberOfTuples(3)
triangleTCoords.InsertTuple2(0, 1, 1)
triangleTCoords.InsertTuple2(1, 2, 2)
triangleTCoords.InsertTuple2(2, 3, 3)
aTriangle = vtk.vtkTriangle()
aTriangle.GetPointIds().SetId(0, 0)
aTriangle.GetPointIds().SetId(1, 1)
aTriangle.GetPointIds().SetId(2, 2)
bTriangle = aTriangle.NewInstance()
bTriangle.DeepCopy(aTriangle)
aTriangleGrid = vtk.vtkUnstructuredGrid()
aTriangleGrid.Allocate(1, 1)
aTriangleGrid.InsertNextCell(aTriangle.GetCellType(),
aTriangle.GetPointIds())
aTriangleGrid.SetPoints(trianglePoints)
aTriangleGrid.GetPointData().SetTCoords(triangleTCoords)
aTriangleMapper = vtk.vtkDataSetMapper()
aTriangleMapper.SetInputData(aTriangleGrid)
aTriangleActor = vtk.vtkActor()
aTriangleActor.SetMapper(aTriangleMapper)
aTriangleActor.AddPosition(4, 0, 2)
aTriangleActor.GetProperty().BackfaceCullingOn()
# Polygon
polygonPoints = vtk.vtkPoints()
polygonPoints.SetNumberOfPoints(4)
polygonPoints.InsertPoint(0, 0, 0, 0)
polygonPoints.InsertPoint(1, 1, 0, 0)
polygonPoints.InsertPoint(2, 1, 1, 0)
polygonPoints.InsertPoint(3, 0, 1, 0)
aPolygon = vtk.vtkPolygon()
aPolygon.GetPointIds().SetNumberOfIds(4)
aPolygon.GetPointIds().SetId(0, 0)
aPolygon.GetPointIds().SetId(1, 1)
aPolygon.GetPointIds().SetId(2, 2)
aPolygon.GetPointIds().SetId(3, 3)
bPolygon = aPolygon.NewInstance()
bPolygon.DeepCopy(aPolygon)
aPolygonGrid = vtk.vtkUnstructuredGrid()
aPolygonGrid.Allocate(1, 1)
aPolygonGrid.InsertNextCell(aPolygon.GetCellType(),
aPolygon.GetPointIds())
aPolygonGrid.SetPoints(polygonPoints)
aPolygonMapper = vtk.vtkDataSetMapper()
aPolygonMapper.SetInputData(aPolygonGrid)
aPolygonActor = vtk.vtkActor()
aPolygonActor.SetMapper(aPolygonMapper)
aPolygonActor.AddPosition(6, 0, 2)
aPolygonActor.GetProperty().BackfaceCullingOn()
# Triangle Strip
triangleStripPoints = vtk.vtkPoints()
triangleStripPoints.SetNumberOfPoints(5)
triangleStripPoints.InsertPoint(0, 0, 1, 0)
triangleStripPoints.InsertPoint(1, 0, 0, 0)
triangleStripPoints.InsertPoint(2, 1, 1, 0)
triangleStripPoints.InsertPoint(3, 1, 0, 0)
triangleStripPoints.InsertPoint(4, 2, 1, 0)
triangleStripTCoords = vtk.vtkFloatArray()
triangleStripTCoords.SetNumberOfComponents(2)
triangleStripTCoords.SetNumberOfTuples(3)
triangleStripTCoords.InsertTuple2(0, 1, 1)
triangleStripTCoords.InsertTuple2(1, 2, 2)
triangleStripTCoords.InsertTuple2(2, 3, 3)
triangleStripTCoords.InsertTuple2(3, 4, 4)
triangleStripTCoords.InsertTuple2(4, 5, 5)
aTriangleStrip = vtk.vtkTriangleStrip()
aTriangleStrip.GetPointIds().SetNumberOfIds(5)
aTriangleStrip.GetPointIds().SetId(0, 0)
aTriangleStrip.GetPointIds().SetId(1, 1)
aTriangleStrip.GetPointIds().SetId(2, 2)
aTriangleStrip.GetPointIds().SetId(3, 3)
aTriangleStrip.GetPointIds().SetId(4, 4)
bTriangleStrip = aTriangleStrip.NewInstance()
bTriangleStrip.DeepCopy(aTriangleStrip)
aTriangleStripGrid = vtk.vtkUnstructuredGrid()
aTriangleStripGrid.Allocate(1, 1)
aTriangleStripGrid.InsertNextCell(aTriangleStrip.GetCellType(),
aTriangleStrip.GetPointIds())
aTriangleStripGrid.SetPoints(triangleStripPoints)
aTriangleStripGrid.GetPointData().SetTCoords(triangleStripTCoords)
aTriangleStripMapper = vtk.vtkDataSetMapper()
aTriangleStripMapper.SetInputData(aTriangleStripGrid)
aTriangleStripActor = vtk.vtkActor()
aTriangleStripActor.SetMapper(aTriangleStripMapper)
aTriangleStripActor.AddPosition(8, 0, 2)
aTriangleStripActor.GetProperty().BackfaceCullingOn()
# Line
linePoints = vtk.vtkPoints()
linePoints.SetNumberOfPoints(2)
linePoints.InsertPoint(0, 0, 0, 0)
linePoints.InsertPoint(1, 1, 1, 0)
aLine = vtk.vtkLine()
aLine.GetPointIds().SetId(0, 0)
aLine.GetPointIds().SetId(1, 1)
bLine = aLine.NewInstance()
bLine.DeepCopy(aLine)
aLineGrid = vtk.vtkUnstructuredGrid()
aLineGrid.Allocate(1, 1)
aLineGrid.InsertNextCell(aLine.GetCellType(), aLine.GetPointIds())
aLineGrid.SetPoints(linePoints)
aLineMapper = vtk.vtkDataSetMapper()
aLineMapper.SetInputData(aLineGrid)
aLineActor = vtk.vtkActor()
aLineActor.SetMapper(aLineMapper)
aLineActor.AddPosition(0, 0, 4)
aLineActor.GetProperty().BackfaceCullingOn()
# Poly line
polyLinePoints = vtk.vtkPoints()
polyLinePoints.SetNumberOfPoints(3)
polyLinePoints.InsertPoint(0, 0, 0, 0)
polyLinePoints.InsertPoint(1, 1, 1, 0)
polyLinePoints.InsertPoint(2, 1, 0, 0)
aPolyLine = vtk.vtkPolyLine()
aPolyLine.GetPointIds().SetNumberOfIds(3)
aPolyLine.GetPointIds().SetId(0, 0)
aPolyLine.GetPointIds().SetId(1, 1)
aPolyLine.GetPointIds().SetId(2, 2)
bPolyLine = aPolyLine.NewInstance()
bPolyLine.DeepCopy(aPolyLine)
aPolyLineGrid = vtk.vtkUnstructuredGrid()
aPolyLineGrid.Allocate(1, 1)
aPolyLineGrid.InsertNextCell(aPolyLine.GetCellType(),
aPolyLine.GetPointIds())
aPolyLineGrid.SetPoints(polyLinePoints)
aPolyLineMapper = vtk.vtkDataSetMapper()
aPolyLineMapper.SetInputData(aPolyLineGrid)
aPolyLineActor = vtk.vtkActor()
aPolyLineActor.SetMapper(aPolyLineMapper)
aPolyLineActor.AddPosition(2, 0, 4)
aPolyLineActor.GetProperty().BackfaceCullingOn()
# Vertex
vertexPoints = vtk.vtkPoints()
vertexPoints.SetNumberOfPoints(1)
vertexPoints.InsertPoint(0, 0, 0, 0)
aVertex = vtk.vtkVertex()
aVertex.GetPointIds().SetId(0, 0)
bVertex = aVertex.NewInstance()
bVertex.DeepCopy(aVertex)
aVertexGrid = vtk.vtkUnstructuredGrid()
aVertexGrid.Allocate(1, 1)
aVertexGrid.InsertNextCell(aVertex.GetCellType(),
aVertex.GetPointIds())
aVertexGrid.SetPoints(vertexPoints)
aVertexMapper = vtk.vtkDataSetMapper()
aVertexMapper.SetInputData(aVertexGrid)
aVertexActor = vtk.vtkActor()
aVertexActor.SetMapper(aVertexMapper)
aVertexActor.AddPosition(0, 0, 6)
aVertexActor.GetProperty().BackfaceCullingOn()
# Poly Vertex
polyVertexPoints = vtk.vtkPoints()
polyVertexPoints.SetNumberOfPoints(3)
polyVertexPoints.InsertPoint(0, 0, 0, 0)
polyVertexPoints.InsertPoint(1, 1, 0, 0)
polyVertexPoints.InsertPoint(2, 1, 1, 0)
aPolyVertex = vtk.vtkPolyVertex()
aPolyVertex.GetPointIds().SetNumberOfIds(3)
aPolyVertex.GetPointIds().SetId(0, 0)
aPolyVertex.GetPointIds().SetId(1, 1)
aPolyVertex.GetPointIds().SetId(2, 2)
bPolyVertex = aPolyVertex.NewInstance()
bPolyVertex.DeepCopy(aPolyVertex)
aPolyVertexGrid = vtk.vtkUnstructuredGrid()
aPolyVertexGrid.Allocate(1, 1)
aPolyVertexGrid.InsertNextCell(aPolyVertex.GetCellType(),
aPolyVertex.GetPointIds())
aPolyVertexGrid.SetPoints(polyVertexPoints)
aPolyVertexMapper = vtk.vtkDataSetMapper()
aPolyVertexMapper.SetInputData(aPolyVertexGrid)
aPolyVertexActor = vtk.vtkActor()
aPolyVertexActor.SetMapper(aPolyVertexMapper)
aPolyVertexActor.AddPosition(2, 0, 6)
aPolyVertexActor.GetProperty().BackfaceCullingOn()
# Pentagonal prism
pentaPoints = vtk.vtkPoints()
pentaPoints.SetNumberOfPoints(10)
pentaPoints.InsertPoint(0, 0.25, 0.0, 0.0)
pentaPoints.InsertPoint(1, 0.75, 0.0, 0.0)
pentaPoints.InsertPoint(2, 1.0, 0.5, 0.0)
pentaPoints.InsertPoint(3, 0.5, 1.0, 0.0)
pentaPoints.InsertPoint(4, 0.0, 0.5, 0.0)
pentaPoints.InsertPoint(5, 0.25, 0.0, 1.0)
pentaPoints.InsertPoint(6, 0.75, 0.0, 1.0)
pentaPoints.InsertPoint(7, 1.0, 0.5, 1.0)
pentaPoints.InsertPoint(8, 0.5, 1.0, 1.0)
pentaPoints.InsertPoint(9, 0.0, 0.5, 1.0)
aPenta = vtk.vtkPentagonalPrism()
aPenta.GetPointIds().SetId(0, 0)
aPenta.GetPointIds().SetId(1, 1)
aPenta.GetPointIds().SetId(2, 2)
aPenta.GetPointIds().SetId(3, 3)
aPenta.GetPointIds().SetId(4, 4)
aPenta.GetPointIds().SetId(5, 5)
aPenta.GetPointIds().SetId(6, 6)
aPenta.GetPointIds().SetId(7, 7)
aPenta.GetPointIds().SetId(8, 8)
aPenta.GetPointIds().SetId(9, 9)
bPenta = aPenta.NewInstance()
bPenta.DeepCopy(aPenta)
aPentaGrid = vtk.vtkUnstructuredGrid()
aPentaGrid.Allocate(1, 1)
aPentaGrid.InsertNextCell(aPenta.GetCellType(), aPenta.GetPointIds())
aPentaGrid.SetPoints(pentaPoints)
aPentaCopy = vtk.vtkUnstructuredGrid()
aPentaCopy.DeepCopy(aPentaGrid)
aPentaMapper = vtk.vtkDataSetMapper()
aPentaMapper.SetInputData(aPentaCopy)
aPentaActor = vtk.vtkActor()
aPentaActor.SetMapper(aPentaMapper)
aPentaActor.AddPosition(10, 0, 0)
aPentaActor.GetProperty().BackfaceCullingOn()
# Hexagonal prism
hexaPoints = vtk.vtkPoints()
hexaPoints.SetNumberOfPoints(12)
hexaPoints.InsertPoint(0, 0.0, 0.0, 0.0)
hexaPoints.InsertPoint(1, 0.5, 0.0, 0.0)
hexaPoints.InsertPoint(2, 1.0, 0.5, 0.0)
hexaPoints.InsertPoint(3, 1.0, 1.0, 0.0)
hexaPoints.InsertPoint(4, 0.5, 1.0, 0.0)
hexaPoints.InsertPoint(5, 0.0, 0.5, 0.0)
hexaPoints.InsertPoint(6, 0.0, 0.0, 1.0)
hexaPoints.InsertPoint(7, 0.5, 0.0, 1.0)
hexaPoints.InsertPoint(8, 1.0, 0.5, 1.0)
hexaPoints.InsertPoint(9, 1.0, 1.0, 1.0)
hexaPoints.InsertPoint(10, 0.5, 1.0, 1.0)
hexaPoints.InsertPoint(11, 0.0, 0.5, 1.0)
aHexa = vtk.vtkHexagonalPrism()
aHexa.GetPointIds().SetId(0, 0)
aHexa.GetPointIds().SetId(1, 1)
aHexa.GetPointIds().SetId(2, 2)
aHexa.GetPointIds().SetId(3, 3)
aHexa.GetPointIds().SetId(4, 4)
aHexa.GetPointIds().SetId(5, 5)
aHexa.GetPointIds().SetId(6, 6)
aHexa.GetPointIds().SetId(7, 7)
aHexa.GetPointIds().SetId(8, 8)
aHexa.GetPointIds().SetId(9, 9)
aHexa.GetPointIds().SetId(10, 10)
aHexa.GetPointIds().SetId(11, 11)
bHexa = aHexa.NewInstance()
bHexa.DeepCopy(aHexa)
aHexaGrid = vtk.vtkUnstructuredGrid()
aHexaGrid.Allocate(1, 1)
aHexaGrid.InsertNextCell(aHexa.GetCellType(), aHexa.GetPointIds())
aHexaGrid.SetPoints(hexaPoints)
aHexaCopy = vtk.vtkUnstructuredGrid()
aHexaCopy.DeepCopy(aHexaGrid)
aHexaMapper = vtk.vtkDataSetMapper()
aHexaMapper.SetInputData(aHexaCopy)
aHexaActor = vtk.vtkActor()
aHexaActor.SetMapper(aHexaMapper)
aHexaActor.AddPosition(12, 0, 0)
aHexaActor.GetProperty().BackfaceCullingOn()
# RIB property
if hasattr(vtk, 'vtkRIBProperty'):
aRIBProperty = vtk.vtkRIBProperty()
aRIBProperty.SetVariable("Km", "float")
aRIBProperty.SetSurfaceShader("LGVeinedmarble")
aRIBProperty.SetVariable("veinfreq", "float")
aRIBProperty.AddVariable("warpfreq", "float")
aRIBProperty.AddVariable("veincolor", "color")
aRIBProperty.AddSurfaceShaderParameter("veinfreq", " 2")
aRIBProperty.AddSurfaceShaderParameter("veincolor",
"1.0000 1.0000 0.9412")
bRIBProperty = vtk.vtkRIBProperty()
bRIBProperty.SetVariable("Km", "float")
bRIBProperty.SetSurfaceShaderParameter("Km", "1.0")
bRIBProperty.SetDisplacementShader("dented")
bRIBProperty.SetSurfaceShader("plastic")
aProperty = vtk.vtkProperty()
bProperty = vtk.vtkProperty()
aTriangleActor.SetProperty(aProperty)
aTriangleStripActor.SetProperty(bProperty)
ren.SetBackground(.1, .2, .4)
ren.AddActor(aVoxelActor)
aVoxelActor.GetProperty().SetDiffuseColor(1, 0, 0)
ren.AddActor(aHexahedronActor)
aHexahedronActor.GetProperty().SetDiffuseColor(1, 1, 0)
ren.AddActor(aTetraActor)
aTetraActor.GetProperty().SetDiffuseColor(0, 1, 0)
ren.AddActor(aWedgeActor)
aWedgeActor.GetProperty().SetDiffuseColor(0, 1, 1)
ren.AddActor(aPyramidActor)
aPyramidActor.GetProperty().SetDiffuseColor(1, 0, 1)
ren.AddActor(aPixelActor)
aPixelActor.GetProperty().SetDiffuseColor(0, 1, 1)
ren.AddActor(aQuadActor)
aQuadActor.GetProperty().SetDiffuseColor(1, 0, 1)
ren.AddActor(aTriangleActor)
aTriangleActor.GetProperty().SetDiffuseColor(.3, 1, .5)
ren.AddActor(aPolygonActor)
aPolygonActor.GetProperty().SetDiffuseColor(1, .4, .5)
ren.AddActor(aTriangleStripActor)
aTriangleStripActor.GetProperty().SetDiffuseColor(.3, .7, 1)
ren.AddActor(aLineActor)
aLineActor.GetProperty().SetDiffuseColor(.2, 1, 1)
ren.AddActor(aPolyLineActor)
aPolyLineActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aVertexActor)
aVertexActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aPolyVertexActor)
aPolyVertexActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aPentaActor)
aPentaActor.GetProperty().SetDiffuseColor(.2, .4, .7)
ren.AddActor(aHexaActor)
aHexaActor.GetProperty().SetDiffuseColor(.7, .5, 1)
if hasattr(vtk, 'vtkRIBLight'):
aRIBLight = vtk.vtkRIBLight()
aRIBLight.SetIntensity(0.7)
ren.AddLight(aRIBLight)
aLight = vtk.vtkLight()
aLight.PositionalOn()
aLight.SetConeAngle(10.0)
aLight.SetIntensity(0.7)
ren.AddLight(aLight)
ren.ResetCamera()
ren.GetActiveCamera().Azimuth(30)
ren.GetActiveCamera().Elevation(20)
ren.GetActiveCamera().Dolly(2.8)
ren.ResetCameraClippingRange()
dir = VTK_TEMP_DIR
atext = vtk.vtkTexture()
pnmReader = vtk.vtkBMPReader()
pnmReader.SetFileName(VTK_DATA_ROOT + "/Data/masonry.bmp")
atext.SetInputConnection(pnmReader.GetOutputPort())
atext.InterpolateOff()
aTriangleActor.SetTexture(atext)
aRIBLight.SetFocalPoint(ren.GetActiveCamera().GetFocalPoint())
aRIBLight.SetPosition(ren.GetActiveCamera().GetPosition())
aLight.SetFocalPoint(ren.GetActiveCamera().GetFocalPoint())
aLight.SetPosition(ren.GetActiveCamera().GetPosition())
# bascially have IO/Export ?
if hasattr(vtk, 'vtkRIBExporter'):
rib = vtk.vtkRIBExporter()
rib.SetInput(renWin)
rib.SetFilePrefix(dir + '/cells')
rib.SetTexturePrefix(dir + '/cells')
rib.Write()
iv = vtk.vtkIVExporter()
iv.SetInput(renWin)
iv.SetFileName(dir + "/cells.iv")
iv.Write()
os.remove(dir + '/cells.iv')
obj = vtk.vtkOBJExporter()
obj.SetInput(renWin)
obj.SetFilePrefix(dir + "/cells")
obj.Write()
os.remove(dir + '/cells.obj')
os.remove(dir + '/cells.mtl')
vrml = vtk.vtkVRMLExporter()
vrml.SetInput(renWin)
#vrml.SetStartWrite(vrml.SetFileName(dir + "/cells.wrl"))
#vrml.SetEndWrite(vrml.SetFileName("/a/acells.wrl"))
vrml.SetFileName(dir + "/cells.wrl")
vrml.SetSpeed(5.5)
vrml.Write()
os.remove(dir + '/cells.wrl')
oogl = vtk.vtkOOGLExporter()
oogl.SetInput(renWin)
oogl.SetFileName(dir + "/cells.oogl")
oogl.Write()
os.remove(dir + '/cells.oogl')
# the UnRegister calls are because make object is the same as New,
# and causes memory leaks. (Python does not treat NewInstance the same as New).
def DeleteCopies():
bVoxel.UnRegister(None)
bHexahedron.UnRegister(None)
bTetra.UnRegister(None)
bWedge.UnRegister(None)
bPyramid.UnRegister(None)
bPixel.UnRegister(None)
bQuad.UnRegister(None)
bTriangle.UnRegister(None)
bPolygon.UnRegister(None)
bTriangleStrip.UnRegister(None)
bLine.UnRegister(None)
bPolyLine.UnRegister(None)
bVertex.UnRegister(None)
bPolyVertex.UnRegister(None)
bPenta.UnRegister(None)
bHexa.UnRegister(None)
DeleteCopies()
# render and interact with data
renWin.Render()
img_file = "cells.png"
vtk.test.Testing.compareImage(
iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file))
vtk.test.Testing.interact()
aWedgeGrid.SetPoints(wedgePoints) aWedgeMapper = vtk.vtkDataSetMapper() aWedgeMapper.SetInputData(aWedgeGrid) aWedgeActor = vtk.vtkActor() aWedgeActor.SetMapper(aWedgeMapper) aWedgeActor.AddPosition(6,0,0) aWedgeActor.GetProperty().BackfaceCullingOn() # Pyramid pyramidPoints = vtk.vtkPoints() pyramidPoints.SetNumberOfPoints(5) pyramidPoints.InsertPoint(0,0,0,0) pyramidPoints.InsertPoint(1,1,0,0) pyramidPoints.InsertPoint(2,1,1,0) pyramidPoints.InsertPoint(3,0,1,0) pyramidPoints.InsertPoint(4,.5,.5,1) aPyramid = vtk.vtkPyramid() aPyramid.GetPointIds().SetId(0,0) aPyramid.GetPointIds().SetId(1,1) aPyramid.GetPointIds().SetId(2,2) aPyramid.GetPointIds().SetId(3,3) aPyramid.GetPointIds().SetId(4,4) aPyramidGrid = vtk.vtkUnstructuredGrid() aPyramidGrid.Allocate(1,1) aPyramidGrid.InsertNextCell(aPyramid.GetCellType(),aPyramid.GetPointIds()) aPyramidGrid.SetPoints(pyramidPoints) aPyramidMapper = vtk.vtkDataSetMapper() aPyramidMapper.SetInputData(aPyramidGrid) aPyramidActor = vtk.vtkActor() aPyramidActor.SetMapper(aPyramidMapper) aPyramidActor.AddPosition(8,0,0) aPyramidActor.GetProperty().BackfaceCullingOn()
def testCells(self):
# Demonstrates all cell types
#
# NOTE: the use of NewInstance/DeepCopy is included to increase
# regression coverage. It is not required in most applications.
ren = vtk.vtkRenderer()
# turn off all cullers
ren.GetCullers().RemoveAllItems()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.SetSize(300, 150)
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin)
# create a scene with one of each cell type
# Voxel
voxelPoints = vtk.vtkPoints()
voxelPoints.SetNumberOfPoints(8)
voxelPoints.InsertPoint(0, 0, 0, 0)
voxelPoints.InsertPoint(1, 1, 0, 0)
voxelPoints.InsertPoint(2, 0, 1, 0)
voxelPoints.InsertPoint(3, 1, 1, 0)
voxelPoints.InsertPoint(4, 0, 0, 1)
voxelPoints.InsertPoint(5, 1, 0, 1)
voxelPoints.InsertPoint(6, 0, 1, 1)
voxelPoints.InsertPoint(7, 1, 1, 1)
aVoxel = vtk.vtkVoxel()
aVoxel.GetPointIds().SetId(0, 0)
aVoxel.GetPointIds().SetId(1, 1)
aVoxel.GetPointIds().SetId(2, 2)
aVoxel.GetPointIds().SetId(3, 3)
aVoxel.GetPointIds().SetId(4, 4)
aVoxel.GetPointIds().SetId(5, 5)
aVoxel.GetPointIds().SetId(6, 6)
aVoxel.GetPointIds().SetId(7, 7)
bVoxel = aVoxel.NewInstance()
bVoxel.DeepCopy(aVoxel)
aVoxelGrid = vtk.vtkUnstructuredGrid()
aVoxelGrid.Allocate(1, 1)
aVoxelGrid.InsertNextCell(aVoxel.GetCellType(), aVoxel.GetPointIds())
aVoxelGrid.SetPoints(voxelPoints)
aVoxelMapper = vtk.vtkDataSetMapper()
aVoxelMapper.SetInputData(aVoxelGrid)
aVoxelActor = vtk.vtkActor()
aVoxelActor.SetMapper(aVoxelMapper)
aVoxelActor.GetProperty().BackfaceCullingOn()
# Hexahedron
hexahedronPoints = vtk.vtkPoints()
hexahedronPoints.SetNumberOfPoints(8)
hexahedronPoints.InsertPoint(0, 0, 0, 0)
hexahedronPoints.InsertPoint(1, 1, 0, 0)
hexahedronPoints.InsertPoint(2, 1, 1, 0)
hexahedronPoints.InsertPoint(3, 0, 1, 0)
hexahedronPoints.InsertPoint(4, 0, 0, 1)
hexahedronPoints.InsertPoint(5, 1, 0, 1)
hexahedronPoints.InsertPoint(6, 1, 1, 1)
hexahedronPoints.InsertPoint(7, 0, 1, 1)
aHexahedron = vtk.vtkHexahedron()
aHexahedron.GetPointIds().SetId(0, 0)
aHexahedron.GetPointIds().SetId(1, 1)
aHexahedron.GetPointIds().SetId(2, 2)
aHexahedron.GetPointIds().SetId(3, 3)
aHexahedron.GetPointIds().SetId(4, 4)
aHexahedron.GetPointIds().SetId(5, 5)
aHexahedron.GetPointIds().SetId(6, 6)
aHexahedron.GetPointIds().SetId(7, 7)
bHexahedron = aHexahedron.NewInstance()
bHexahedron.DeepCopy(aHexahedron)
aHexahedronGrid = vtk.vtkUnstructuredGrid()
aHexahedronGrid.Allocate(1, 1)
aHexahedronGrid.InsertNextCell(aHexahedron.GetCellType(), aHexahedron.GetPointIds())
aHexahedronGrid.SetPoints(hexahedronPoints)
aHexahedronMapper = vtk.vtkDataSetMapper()
aHexahedronMapper.SetInputData(aHexahedronGrid)
aHexahedronActor = vtk.vtkActor()
aHexahedronActor.SetMapper(aHexahedronMapper)
aHexahedronActor.AddPosition(2, 0, 0)
aHexahedronActor.GetProperty().BackfaceCullingOn()
# Tetra
tetraPoints = vtk.vtkPoints()
tetraPoints.SetNumberOfPoints(4)
tetraPoints.InsertPoint(0, 0, 0, 0)
tetraPoints.InsertPoint(1, 1, 0, 0)
tetraPoints.InsertPoint(2, 0.5, 1, 0)
tetraPoints.InsertPoint(3, 0.5, 0.5, 1)
aTetra = vtk.vtkTetra()
aTetra.GetPointIds().SetId(0, 0)
aTetra.GetPointIds().SetId(1, 1)
aTetra.GetPointIds().SetId(2, 2)
aTetra.GetPointIds().SetId(3, 3)
bTetra = aTetra.NewInstance()
bTetra.DeepCopy(aTetra)
aTetraGrid = vtk.vtkUnstructuredGrid()
aTetraGrid.Allocate(1, 1)
aTetraGrid.InsertNextCell(aTetra.GetCellType(), aTetra.GetPointIds())
aTetraGrid.SetPoints(tetraPoints)
aTetraCopy = vtk.vtkUnstructuredGrid()
aTetraCopy.ShallowCopy(aTetraGrid)
aTetraMapper = vtk.vtkDataSetMapper()
aTetraMapper.SetInputData(aTetraCopy)
aTetraActor = vtk.vtkActor()
aTetraActor.SetMapper(aTetraMapper)
aTetraActor.AddPosition(4, 0, 0)
aTetraActor.GetProperty().BackfaceCullingOn()
# Wedge
wedgePoints = vtk.vtkPoints()
wedgePoints.SetNumberOfPoints(6)
wedgePoints.InsertPoint(0, 0, 1, 0)
wedgePoints.InsertPoint(1, 0, 0, 0)
wedgePoints.InsertPoint(2, 0, 0.5, 0.5)
wedgePoints.InsertPoint(3, 1, 1, 0)
wedgePoints.InsertPoint(4, 1, 0, 0)
wedgePoints.InsertPoint(5, 1, 0.5, 0.5)
aWedge = vtk.vtkWedge()
aWedge.GetPointIds().SetId(0, 0)
aWedge.GetPointIds().SetId(1, 1)
aWedge.GetPointIds().SetId(2, 2)
aWedge.GetPointIds().SetId(3, 3)
aWedge.GetPointIds().SetId(4, 4)
aWedge.GetPointIds().SetId(5, 5)
bWedge = aWedge.NewInstance()
bWedge.DeepCopy(aWedge)
aWedgeGrid = vtk.vtkUnstructuredGrid()
aWedgeGrid.Allocate(1, 1)
aWedgeGrid.InsertNextCell(aWedge.GetCellType(), aWedge.GetPointIds())
aWedgeGrid.SetPoints(wedgePoints)
aWedgeCopy = vtk.vtkUnstructuredGrid()
aWedgeCopy.DeepCopy(aWedgeGrid)
aWedgeMapper = vtk.vtkDataSetMapper()
aWedgeMapper.SetInputData(aWedgeCopy)
aWedgeActor = vtk.vtkActor()
aWedgeActor.SetMapper(aWedgeMapper)
aWedgeActor.AddPosition(6, 0, 0)
aWedgeActor.GetProperty().BackfaceCullingOn()
# Pyramid
pyramidPoints = vtk.vtkPoints()
pyramidPoints.SetNumberOfPoints(5)
pyramidPoints.InsertPoint(0, 0, 0, 0)
pyramidPoints.InsertPoint(1, 1, 0, 0)
pyramidPoints.InsertPoint(2, 1, 1, 0)
pyramidPoints.InsertPoint(3, 0, 1, 0)
pyramidPoints.InsertPoint(4, 0.5, 0.5, 1)
aPyramid = vtk.vtkPyramid()
aPyramid.GetPointIds().SetId(0, 0)
aPyramid.GetPointIds().SetId(1, 1)
aPyramid.GetPointIds().SetId(2, 2)
aPyramid.GetPointIds().SetId(3, 3)
aPyramid.GetPointIds().SetId(4, 4)
bPyramid = aPyramid.NewInstance()
bPyramid.DeepCopy(aPyramid)
aPyramidGrid = vtk.vtkUnstructuredGrid()
aPyramidGrid.Allocate(1, 1)
aPyramidGrid.InsertNextCell(aPyramid.GetCellType(), aPyramid.GetPointIds())
aPyramidGrid.SetPoints(pyramidPoints)
aPyramidMapper = vtk.vtkDataSetMapper()
aPyramidMapper.SetInputData(aPyramidGrid)
aPyramidActor = vtk.vtkActor()
aPyramidActor.SetMapper(aPyramidMapper)
aPyramidActor.AddPosition(8, 0, 0)
aPyramidActor.GetProperty().BackfaceCullingOn()
# Pixel
pixelPoints = vtk.vtkPoints()
pixelPoints.SetNumberOfPoints(4)
pixelPoints.InsertPoint(0, 0, 0, 0)
pixelPoints.InsertPoint(1, 1, 0, 0)
pixelPoints.InsertPoint(2, 0, 1, 0)
pixelPoints.InsertPoint(3, 1, 1, 0)
aPixel = vtk.vtkPixel()
aPixel.GetPointIds().SetId(0, 0)
aPixel.GetPointIds().SetId(1, 1)
aPixel.GetPointIds().SetId(2, 2)
aPixel.GetPointIds().SetId(3, 3)
bPixel = aPixel.NewInstance()
bPixel.DeepCopy(aPixel)
aPixelGrid = vtk.vtkUnstructuredGrid()
aPixelGrid.Allocate(1, 1)
aPixelGrid.InsertNextCell(aPixel.GetCellType(), aPixel.GetPointIds())
aPixelGrid.SetPoints(pixelPoints)
aPixelMapper = vtk.vtkDataSetMapper()
aPixelMapper.SetInputData(aPixelGrid)
aPixelActor = vtk.vtkActor()
aPixelActor.SetMapper(aPixelMapper)
aPixelActor.AddPosition(0, 0, 2)
aPixelActor.GetProperty().BackfaceCullingOn()
# Quad
quadPoints = vtk.vtkPoints()
quadPoints.SetNumberOfPoints(4)
quadPoints.InsertPoint(0, 0, 0, 0)
quadPoints.InsertPoint(1, 1, 0, 0)
quadPoints.InsertPoint(2, 1, 1, 0)
quadPoints.InsertPoint(3, 0, 1, 0)
aQuad = vtk.vtkQuad()
aQuad.GetPointIds().SetId(0, 0)
aQuad.GetPointIds().SetId(1, 1)
aQuad.GetPointIds().SetId(2, 2)
aQuad.GetPointIds().SetId(3, 3)
bQuad = aQuad.NewInstance()
bQuad.DeepCopy(aQuad)
aQuadGrid = vtk.vtkUnstructuredGrid()
aQuadGrid.Allocate(1, 1)
aQuadGrid.InsertNextCell(aQuad.GetCellType(), aQuad.GetPointIds())
aQuadGrid.SetPoints(quadPoints)
aQuadMapper = vtk.vtkDataSetMapper()
aQuadMapper.SetInputData(aQuadGrid)
aQuadActor = vtk.vtkActor()
aQuadActor.SetMapper(aQuadMapper)
aQuadActor.AddPosition(2, 0, 2)
aQuadActor.GetProperty().BackfaceCullingOn()
# Triangle
trianglePoints = vtk.vtkPoints()
trianglePoints.SetNumberOfPoints(3)
trianglePoints.InsertPoint(0, 0, 0, 0)
trianglePoints.InsertPoint(1, 1, 0, 0)
trianglePoints.InsertPoint(2, 0.5, 0.5, 0)
triangleTCoords = vtk.vtkFloatArray()
triangleTCoords.SetNumberOfComponents(2)
triangleTCoords.SetNumberOfTuples(3)
triangleTCoords.InsertTuple2(0, 1, 1)
triangleTCoords.InsertTuple2(1, 2, 2)
triangleTCoords.InsertTuple2(2, 3, 3)
aTriangle = vtk.vtkTriangle()
aTriangle.GetPointIds().SetId(0, 0)
aTriangle.GetPointIds().SetId(1, 1)
aTriangle.GetPointIds().SetId(2, 2)
bTriangle = aTriangle.NewInstance()
bTriangle.DeepCopy(aTriangle)
aTriangleGrid = vtk.vtkUnstructuredGrid()
aTriangleGrid.Allocate(1, 1)
aTriangleGrid.InsertNextCell(aTriangle.GetCellType(), aTriangle.GetPointIds())
aTriangleGrid.SetPoints(trianglePoints)
aTriangleGrid.GetPointData().SetTCoords(triangleTCoords)
aTriangleMapper = vtk.vtkDataSetMapper()
aTriangleMapper.SetInputData(aTriangleGrid)
aTriangleActor = vtk.vtkActor()
aTriangleActor.SetMapper(aTriangleMapper)
aTriangleActor.AddPosition(4, 0, 2)
aTriangleActor.GetProperty().BackfaceCullingOn()
# Polygon
polygonPoints = vtk.vtkPoints()
polygonPoints.SetNumberOfPoints(4)
polygonPoints.InsertPoint(0, 0, 0, 0)
polygonPoints.InsertPoint(1, 1, 0, 0)
polygonPoints.InsertPoint(2, 1, 1, 0)
polygonPoints.InsertPoint(3, 0, 1, 0)
aPolygon = vtk.vtkPolygon()
aPolygon.GetPointIds().SetNumberOfIds(4)
aPolygon.GetPointIds().SetId(0, 0)
aPolygon.GetPointIds().SetId(1, 1)
aPolygon.GetPointIds().SetId(2, 2)
aPolygon.GetPointIds().SetId(3, 3)
bPolygon = aPolygon.NewInstance()
bPolygon.DeepCopy(aPolygon)
aPolygonGrid = vtk.vtkUnstructuredGrid()
aPolygonGrid.Allocate(1, 1)
aPolygonGrid.InsertNextCell(aPolygon.GetCellType(), aPolygon.GetPointIds())
aPolygonGrid.SetPoints(polygonPoints)
aPolygonMapper = vtk.vtkDataSetMapper()
aPolygonMapper.SetInputData(aPolygonGrid)
aPolygonActor = vtk.vtkActor()
aPolygonActor.SetMapper(aPolygonMapper)
aPolygonActor.AddPosition(6, 0, 2)
aPolygonActor.GetProperty().BackfaceCullingOn()
# Triangle Strip
triangleStripPoints = vtk.vtkPoints()
triangleStripPoints.SetNumberOfPoints(5)
triangleStripPoints.InsertPoint(0, 0, 1, 0)
triangleStripPoints.InsertPoint(1, 0, 0, 0)
triangleStripPoints.InsertPoint(2, 1, 1, 0)
triangleStripPoints.InsertPoint(3, 1, 0, 0)
triangleStripPoints.InsertPoint(4, 2, 1, 0)
triangleStripTCoords = vtk.vtkFloatArray()
triangleStripTCoords.SetNumberOfComponents(2)
triangleStripTCoords.SetNumberOfTuples(3)
triangleStripTCoords.InsertTuple2(0, 1, 1)
triangleStripTCoords.InsertTuple2(1, 2, 2)
triangleStripTCoords.InsertTuple2(2, 3, 3)
triangleStripTCoords.InsertTuple2(3, 4, 4)
triangleStripTCoords.InsertTuple2(4, 5, 5)
aTriangleStrip = vtk.vtkTriangleStrip()
aTriangleStrip.GetPointIds().SetNumberOfIds(5)
aTriangleStrip.GetPointIds().SetId(0, 0)
aTriangleStrip.GetPointIds().SetId(1, 1)
aTriangleStrip.GetPointIds().SetId(2, 2)
aTriangleStrip.GetPointIds().SetId(3, 3)
aTriangleStrip.GetPointIds().SetId(4, 4)
bTriangleStrip = aTriangleStrip.NewInstance()
bTriangleStrip.DeepCopy(aTriangleStrip)
aTriangleStripGrid = vtk.vtkUnstructuredGrid()
aTriangleStripGrid.Allocate(1, 1)
aTriangleStripGrid.InsertNextCell(aTriangleStrip.GetCellType(), aTriangleStrip.GetPointIds())
aTriangleStripGrid.SetPoints(triangleStripPoints)
aTriangleStripGrid.GetPointData().SetTCoords(triangleStripTCoords)
aTriangleStripMapper = vtk.vtkDataSetMapper()
aTriangleStripMapper.SetInputData(aTriangleStripGrid)
aTriangleStripActor = vtk.vtkActor()
aTriangleStripActor.SetMapper(aTriangleStripMapper)
aTriangleStripActor.AddPosition(8, 0, 2)
aTriangleStripActor.GetProperty().BackfaceCullingOn()
# Line
linePoints = vtk.vtkPoints()
linePoints.SetNumberOfPoints(2)
linePoints.InsertPoint(0, 0, 0, 0)
linePoints.InsertPoint(1, 1, 1, 0)
aLine = vtk.vtkLine()
aLine.GetPointIds().SetId(0, 0)
aLine.GetPointIds().SetId(1, 1)
bLine = aLine.NewInstance()
bLine.DeepCopy(aLine)
aLineGrid = vtk.vtkUnstructuredGrid()
aLineGrid.Allocate(1, 1)
aLineGrid.InsertNextCell(aLine.GetCellType(), aLine.GetPointIds())
aLineGrid.SetPoints(linePoints)
aLineMapper = vtk.vtkDataSetMapper()
aLineMapper.SetInputData(aLineGrid)
aLineActor = vtk.vtkActor()
aLineActor.SetMapper(aLineMapper)
aLineActor.AddPosition(0, 0, 4)
aLineActor.GetProperty().BackfaceCullingOn()
# Poly line
polyLinePoints = vtk.vtkPoints()
polyLinePoints.SetNumberOfPoints(3)
polyLinePoints.InsertPoint(0, 0, 0, 0)
polyLinePoints.InsertPoint(1, 1, 1, 0)
polyLinePoints.InsertPoint(2, 1, 0, 0)
aPolyLine = vtk.vtkPolyLine()
aPolyLine.GetPointIds().SetNumberOfIds(3)
aPolyLine.GetPointIds().SetId(0, 0)
aPolyLine.GetPointIds().SetId(1, 1)
aPolyLine.GetPointIds().SetId(2, 2)
bPolyLine = aPolyLine.NewInstance()
bPolyLine.DeepCopy(aPolyLine)
aPolyLineGrid = vtk.vtkUnstructuredGrid()
aPolyLineGrid.Allocate(1, 1)
aPolyLineGrid.InsertNextCell(aPolyLine.GetCellType(), aPolyLine.GetPointIds())
aPolyLineGrid.SetPoints(polyLinePoints)
aPolyLineMapper = vtk.vtkDataSetMapper()
aPolyLineMapper.SetInputData(aPolyLineGrid)
aPolyLineActor = vtk.vtkActor()
aPolyLineActor.SetMapper(aPolyLineMapper)
aPolyLineActor.AddPosition(2, 0, 4)
aPolyLineActor.GetProperty().BackfaceCullingOn()
# Vertex
vertexPoints = vtk.vtkPoints()
vertexPoints.SetNumberOfPoints(1)
vertexPoints.InsertPoint(0, 0, 0, 0)
aVertex = vtk.vtkVertex()
aVertex.GetPointIds().SetId(0, 0)
bVertex = aVertex.NewInstance()
bVertex.DeepCopy(aVertex)
aVertexGrid = vtk.vtkUnstructuredGrid()
aVertexGrid.Allocate(1, 1)
aVertexGrid.InsertNextCell(aVertex.GetCellType(), aVertex.GetPointIds())
aVertexGrid.SetPoints(vertexPoints)
aVertexMapper = vtk.vtkDataSetMapper()
aVertexMapper.SetInputData(aVertexGrid)
aVertexActor = vtk.vtkActor()
aVertexActor.SetMapper(aVertexMapper)
aVertexActor.AddPosition(0, 0, 6)
aVertexActor.GetProperty().BackfaceCullingOn()
# Poly Vertex
polyVertexPoints = vtk.vtkPoints()
polyVertexPoints.SetNumberOfPoints(3)
polyVertexPoints.InsertPoint(0, 0, 0, 0)
polyVertexPoints.InsertPoint(1, 1, 0, 0)
polyVertexPoints.InsertPoint(2, 1, 1, 0)
aPolyVertex = vtk.vtkPolyVertex()
aPolyVertex.GetPointIds().SetNumberOfIds(3)
aPolyVertex.GetPointIds().SetId(0, 0)
aPolyVertex.GetPointIds().SetId(1, 1)
aPolyVertex.GetPointIds().SetId(2, 2)
bPolyVertex = aPolyVertex.NewInstance()
bPolyVertex.DeepCopy(aPolyVertex)
aPolyVertexGrid = vtk.vtkUnstructuredGrid()
aPolyVertexGrid.Allocate(1, 1)
aPolyVertexGrid.InsertNextCell(aPolyVertex.GetCellType(), aPolyVertex.GetPointIds())
aPolyVertexGrid.SetPoints(polyVertexPoints)
aPolyVertexMapper = vtk.vtkDataSetMapper()
aPolyVertexMapper.SetInputData(aPolyVertexGrid)
aPolyVertexActor = vtk.vtkActor()
aPolyVertexActor.SetMapper(aPolyVertexMapper)
aPolyVertexActor.AddPosition(2, 0, 6)
aPolyVertexActor.GetProperty().BackfaceCullingOn()
# Pentagonal prism
pentaPoints = vtk.vtkPoints()
pentaPoints.SetNumberOfPoints(10)
pentaPoints.InsertPoint(0, 0.25, 0.0, 0.0)
pentaPoints.InsertPoint(1, 0.75, 0.0, 0.0)
pentaPoints.InsertPoint(2, 1.0, 0.5, 0.0)
pentaPoints.InsertPoint(3, 0.5, 1.0, 0.0)
pentaPoints.InsertPoint(4, 0.0, 0.5, 0.0)
pentaPoints.InsertPoint(5, 0.25, 0.0, 1.0)
pentaPoints.InsertPoint(6, 0.75, 0.0, 1.0)
pentaPoints.InsertPoint(7, 1.0, 0.5, 1.0)
pentaPoints.InsertPoint(8, 0.5, 1.0, 1.0)
pentaPoints.InsertPoint(9, 0.0, 0.5, 1.0)
aPenta = vtk.vtkPentagonalPrism()
aPenta.GetPointIds().SetId(0, 0)
aPenta.GetPointIds().SetId(1, 1)
aPenta.GetPointIds().SetId(2, 2)
aPenta.GetPointIds().SetId(3, 3)
aPenta.GetPointIds().SetId(4, 4)
aPenta.GetPointIds().SetId(5, 5)
aPenta.GetPointIds().SetId(6, 6)
aPenta.GetPointIds().SetId(7, 7)
aPenta.GetPointIds().SetId(8, 8)
aPenta.GetPointIds().SetId(9, 9)
bPenta = aPenta.NewInstance()
bPenta.DeepCopy(aPenta)
aPentaGrid = vtk.vtkUnstructuredGrid()
aPentaGrid.Allocate(1, 1)
aPentaGrid.InsertNextCell(aPenta.GetCellType(), aPenta.GetPointIds())
aPentaGrid.SetPoints(pentaPoints)
aPentaCopy = vtk.vtkUnstructuredGrid()
aPentaCopy.DeepCopy(aPentaGrid)
aPentaMapper = vtk.vtkDataSetMapper()
aPentaMapper.SetInputData(aPentaCopy)
aPentaActor = vtk.vtkActor()
aPentaActor.SetMapper(aPentaMapper)
aPentaActor.AddPosition(10, 0, 0)
aPentaActor.GetProperty().BackfaceCullingOn()
# Hexagonal prism
hexaPoints = vtk.vtkPoints()
hexaPoints.SetNumberOfPoints(12)
hexaPoints.InsertPoint(0, 0.0, 0.0, 0.0)
hexaPoints.InsertPoint(1, 0.5, 0.0, 0.0)
hexaPoints.InsertPoint(2, 1.0, 0.5, 0.0)
hexaPoints.InsertPoint(3, 1.0, 1.0, 0.0)
hexaPoints.InsertPoint(4, 0.5, 1.0, 0.0)
hexaPoints.InsertPoint(5, 0.0, 0.5, 0.0)
hexaPoints.InsertPoint(6, 0.0, 0.0, 1.0)
hexaPoints.InsertPoint(7, 0.5, 0.0, 1.0)
hexaPoints.InsertPoint(8, 1.0, 0.5, 1.0)
hexaPoints.InsertPoint(9, 1.0, 1.0, 1.0)
hexaPoints.InsertPoint(10, 0.5, 1.0, 1.0)
hexaPoints.InsertPoint(11, 0.0, 0.5, 1.0)
aHexa = vtk.vtkHexagonalPrism()
aHexa.GetPointIds().SetId(0, 0)
aHexa.GetPointIds().SetId(1, 1)
aHexa.GetPointIds().SetId(2, 2)
aHexa.GetPointIds().SetId(3, 3)
aHexa.GetPointIds().SetId(4, 4)
aHexa.GetPointIds().SetId(5, 5)
aHexa.GetPointIds().SetId(6, 6)
aHexa.GetPointIds().SetId(7, 7)
aHexa.GetPointIds().SetId(8, 8)
aHexa.GetPointIds().SetId(9, 9)
aHexa.GetPointIds().SetId(10, 10)
aHexa.GetPointIds().SetId(11, 11)
bHexa = aHexa.NewInstance()
bHexa.DeepCopy(aHexa)
aHexaGrid = vtk.vtkUnstructuredGrid()
aHexaGrid.Allocate(1, 1)
aHexaGrid.InsertNextCell(aHexa.GetCellType(), aHexa.GetPointIds())
aHexaGrid.SetPoints(hexaPoints)
aHexaCopy = vtk.vtkUnstructuredGrid()
aHexaCopy.DeepCopy(aHexaGrid)
aHexaMapper = vtk.vtkDataSetMapper()
aHexaMapper.SetInputData(aHexaCopy)
aHexaActor = vtk.vtkActor()
aHexaActor.SetMapper(aHexaMapper)
aHexaActor.AddPosition(12, 0, 0)
aHexaActor.GetProperty().BackfaceCullingOn()
# RIB property
aRIBProperty = vtk.vtkRIBProperty()
aRIBProperty.SetVariable("Km", "float")
aRIBProperty.SetSurfaceShader("LGVeinedmarble")
aRIBProperty.SetVariable("veinfreq", "float")
aRIBProperty.AddVariable("warpfreq", "float")
aRIBProperty.AddVariable("veincolor", "color")
aRIBProperty.AddParameter("veinfreq", " 2")
aRIBProperty.AddParameter("veincolor", "1.0000 1.0000 0.9412")
bRIBProperty = vtk.vtkRIBProperty()
bRIBProperty.SetVariable("Km", "float")
bRIBProperty.SetParameter("Km", "1.0")
bRIBProperty.SetDisplacementShader("dented")
bRIBProperty.SetSurfaceShader("plastic")
aProperty = vtk.vtkProperty()
bProperty = vtk.vtkProperty()
aTriangleActor.SetProperty(aProperty)
aTriangleStripActor.SetProperty(bProperty)
ren.SetBackground(0.1, 0.2, 0.4)
ren.AddActor(aVoxelActor)
aVoxelActor.GetProperty().SetDiffuseColor(1, 0, 0)
ren.AddActor(aHexahedronActor)
aHexahedronActor.GetProperty().SetDiffuseColor(1, 1, 0)
ren.AddActor(aTetraActor)
aTetraActor.GetProperty().SetDiffuseColor(0, 1, 0)
ren.AddActor(aWedgeActor)
aWedgeActor.GetProperty().SetDiffuseColor(0, 1, 1)
ren.AddActor(aPyramidActor)
aPyramidActor.GetProperty().SetDiffuseColor(1, 0, 1)
ren.AddActor(aPixelActor)
aPixelActor.GetProperty().SetDiffuseColor(0, 1, 1)
ren.AddActor(aQuadActor)
aQuadActor.GetProperty().SetDiffuseColor(1, 0, 1)
ren.AddActor(aTriangleActor)
aTriangleActor.GetProperty().SetDiffuseColor(0.3, 1, 0.5)
ren.AddActor(aPolygonActor)
aPolygonActor.GetProperty().SetDiffuseColor(1, 0.4, 0.5)
ren.AddActor(aTriangleStripActor)
aTriangleStripActor.GetProperty().SetDiffuseColor(0.3, 0.7, 1)
ren.AddActor(aLineActor)
aLineActor.GetProperty().SetDiffuseColor(0.2, 1, 1)
ren.AddActor(aPolyLineActor)
aPolyLineActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aVertexActor)
aVertexActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aPolyVertexActor)
aPolyVertexActor.GetProperty().SetDiffuseColor(1, 1, 1)
ren.AddActor(aPentaActor)
aPentaActor.GetProperty().SetDiffuseColor(0.2, 0.4, 0.7)
ren.AddActor(aHexaActor)
aHexaActor.GetProperty().SetDiffuseColor(0.7, 0.5, 1)
aRIBLight = vtk.vtkRIBLight()
aRIBLight.ShadowsOn()
aLight = vtk.vtkLight()
aLight.PositionalOn()
aLight.SetConeAngle(25)
ren.AddLight(aLight)
ren.ResetCamera()
ren.GetActiveCamera().Azimuth(30)
ren.GetActiveCamera().Elevation(20)
ren.GetActiveCamera().Dolly(2.8)
ren.ResetCameraClippingRange()
aLight.SetFocalPoint(ren.GetActiveCamera().GetFocalPoint())
aLight.SetPosition(ren.GetActiveCamera().GetPosition())
# write to the temp directory if possible, otherwise use .
dir = tempfile.gettempdir()
atext = vtk.vtkTexture()
pnmReader = vtk.vtkBMPReader()
pnmReader.SetFileName(VTK_DATA_ROOT + "/Data/masonry.bmp")
atext.SetInputConnection(pnmReader.GetOutputPort())
atext.InterpolateOff()
aTriangleActor.SetTexture(atext)
rib = vtk.vtkRIBExporter()
rib.SetInput(renWin)
rib.SetFilePrefix(dir + "/cells")
rib.SetTexturePrefix(dir + "/cells")
rib.Write()
os.remove(dir + "/cells.rib")
iv = vtk.vtkIVExporter()
iv.SetInput(renWin)
iv.SetFileName(dir + "/cells.iv")
iv.Write()
os.remove(dir + "/cells.iv")
obj = vtk.vtkOBJExporter()
obj.SetInput(renWin)
obj.SetFilePrefix(dir + "/cells")
obj.Write()
os.remove(dir + "/cells.obj")
os.remove(dir + "/cells.mtl")
vrml = vtk.vtkVRMLExporter()
vrml.SetInput(renWin)
# vrml.SetStartWrite(vrml.SetFileName(dir + "/cells.wrl"))
# vrml.SetEndWrite(vrml.SetFileName("/a/acells.wrl"))
vrml.SetFileName(dir + "/cells.wrl")
vrml.SetSpeed(5.5)
vrml.Write()
os.remove(dir + "/cells.wrl")
oogl = vtk.vtkOOGLExporter()
oogl.SetInput(renWin)
oogl.SetFileName(dir + "/cells.oogl")
oogl.Write()
os.remove(dir + "/cells.oogl")
# the UnRegister calls are because make object is the same as New,
# and causes memory leaks. (Python does not treat NewInstance the same as New).
def DeleteCopies():
bVoxel.UnRegister(None)
bHexahedron.UnRegister(None)
bTetra.UnRegister(None)
bWedge.UnRegister(None)
bPyramid.UnRegister(None)
bPixel.UnRegister(None)
bQuad.UnRegister(None)
bTriangle.UnRegister(None)
bPolygon.UnRegister(None)
bTriangleStrip.UnRegister(None)
bLine.UnRegister(None)
bPolyLine.UnRegister(None)
bVertex.UnRegister(None)
bPolyVertex.UnRegister(None)
bPenta.UnRegister(None)
bHexa.UnRegister(None)
DeleteCopies()
# render and interact with data
renWin.Render()
img_file = "cells.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
def Plot_uGridQual(grid):
""" Plots quality of a unstructured grid while ignoring pyramids and wedges """
# Create quality filter
qual_filter = vtk.vtkMeshQuality()
if vtk.vtkVersion().GetVTKMajorVersion() > 5:
qual_filter.SetInput(grid)
else:
qual_filter.SetInputData(grid)
qual_filter.SetHexQualityMeasureToScaledJacobian()
qual_filter.SetTetQualityMeasureToScaledJacobian()
qual_filter.SaveCellQualityOn
qual_filter.Update()
qual_out = qual_filter.GetOutput()
# Get quality as array
qual = VN.vtk_to_numpy(qual_out.GetCellData().GetScalars())
# If unstructured then replace quality of pyramids and wedges wtih nans
if str(grid)[:5] == 'vtkUnstructuredGrid':
# Get cell types
celltypes = VN.vtk_to_numpy(qual_out.GetCellTypesArray())
# Set quality of wedges and pyramids to 1
wedge_pyr_celltypes = [
vtk.vtkWedge().GetCellType(),
vtk.vtkPyramid().GetCellType()
]
qual[np.in1d(celltypes, wedge_pyr_celltypes)] = 1
# Reinsert quality array back into uGrid
vtkfloat = VN.numpy_to_vtk(np.ascontiguousarray(qual), deep=True)
qual_out.GetCellData().SetScalars(vtkfloat)
# otherwise, negate the grid quality
else:
qual = -qual
vtkfloat = VN.numpy_to_vtk(np.ascontiguousarray(qual), deep=True)
qual_out.GetCellData().SetScalars(vtkfloat)
################################# Plotting #################################
# Create mapper
mapper = vtk.vtkDataSetMapper()
if vtk.vtkVersion().GetVTKMajorVersion() > 5:
mapper.SetInput(qual_out)
else:
mapper.SetInputData(qual_out)
mapper.SetScalarRange(np.nanmin(qual), np.nanmax(qual))
# Create Actor
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetRepresentationToSurface()
actor.GetProperty().EdgeVisibilityOn()
actor.GetProperty().SetColor(1, 1, 1)
actor.GetProperty().LightingOff()
# Add FEM Actor to renderer window
ren = vtk.vtkRenderer()
ren.SetBackground(0.3, 0.3, 0.3)
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Allow user to interact
istyle = vtk.vtkInteractorStyleTrackballCamera()
iren.SetInteractorStyle(istyle)
# Add surface to display
ren.AddActor(actor)
# Add scalar bar
scalarBar = vtk.vtkScalarBarActor()
scalarBar.SetLookupTable(mapper.GetLookupTable())
scalarBar.SetTitle('Quality')
scalarBar.SetNumberOfLabels(5)
ren.AddActor(scalarBar)
# Render
iren.Initialize()
renWin.Render()
renWin.SetWindowName('FEM Element Quality')
iren.Start()
ids.SetId(5, 57) ids.SetId(7, 59) ids.SetId(6, 60) ugrid.InsertNextCell(hexa.GetCellType(), ids) # pixel pixel = vtk.vtkPixel() ids.SetNumberOfIds(4) ids.SetId(0, 61) ids.SetId(1, 62) ids.SetId(2, 63) ids.SetId(3, 64) ugrid.InsertNextCell(pixel.GetCellType(), ids) # pyramid pyr = vtk.vtkPyramid() ids.SetNumberOfIds(5) ids.SetId(0, 65) ids.SetId(1, 66) ids.SetId(2, 68) ids.SetId(3, 67) ids.SetId(4, 69) ugrid.InsertNextCell(pyr.GetCellType(), ids) # wedge wedge = vtk.vtkWedge() ids.SetNumberOfIds(6) ids.SetId(0, 70) ids.SetId(1, 71) ids.SetId(2, 74) ids.SetId(3, 72)
