def _keypress(iren, event):
# qt creates and passes a vtkGenericRenderWindowInteractor
vp = settings.plotter_instance
key = iren.GetKeySym()
#print('Pressed key:', key, [vp])
if key in ["q", "Q", "space", "Return"]:
iren.ExitCallback()
return
elif key == "Escape":
sys.stdout.flush()
settings.plotter_instance.closeWindow()
elif key in ["F1", "Pause"]:
sys.stdout.flush()
colors.printc('\n[F1] Execution aborted. Exiting python now.')
settings.plotter_instance.closeWindow()
sys.exit(0)
elif key == "m":
if vp.clickedActor in vp.getActors():
vp.clickedActor.GetProperty().SetOpacity(0.02)
bfp = vp.clickedActor.GetBackfaceProperty()
if bfp and hasattr(vp.clickedActor, "_bfprop"):
vp.clickedActor._bfprop = bfp # save it
vp.clickedActor.SetBackfaceProperty(None)
else:
for a in vp.getActors():
if a.GetPickable():
a.GetProperty().SetOpacity(0.02)
bfp = a.GetBackfaceProperty()
if bfp and hasattr(a, "_bfprop"):
a._bfprop = bfp
a.SetBackfaceProperty(None)
elif key == "comma":
if vp.clickedActor in vp.getActors():
ap = vp.clickedActor.GetProperty()
aal = max([ap.GetOpacity() * 0.75, 0.01])
ap.SetOpacity(aal)
bfp = vp.clickedActor.GetBackfaceProperty()
if bfp and hasattr(vp.clickedActor, "_bfprop"):
vp.clickedActor._bfprop = bfp
vp.clickedActor.SetBackfaceProperty(None)
else:
for a in vp.getActors():
if a.GetPickable():
ap = a.GetProperty()
aal = max([ap.GetOpacity() * 0.75, 0.01])
ap.SetOpacity(aal)
bfp = a.GetBackfaceProperty()
if bfp and hasattr(a, "_bfprop"):
a._bfprop = bfp
a.SetBackfaceProperty(None)
elif key == "period":
if vp.clickedActor in vp.getActors():
ap = vp.clickedActor.GetProperty()
aal = min([ap.GetOpacity() * 1.25, 1.0])
ap.SetOpacity(aal)
if aal == 1 and hasattr(vp.clickedActor,
"_bfprop") and vp.clickedActor._bfprop:
# put back
vp.clickedActor.SetBackfaceProperty(vp.clickedActor._bfprop)
else:
for a in vp.getActors():
if a.GetPickable():
ap = a.GetProperty()
aal = min([ap.GetOpacity() * 1.25, 1.0])
ap.SetOpacity(aal)
if aal == 1 and hasattr(a, "_bfprop") and a._bfprop:
a.SetBackfaceProperty(a._bfprop)
elif key == "slash":
if vp.clickedActor in vp.getActors():
vp.clickedActor.GetProperty().SetOpacity(1)
if hasattr(vp.clickedActor, "_bfprop") and vp.clickedActor._bfprop:
vp.clickedActor.SetBackfaceProperty(vp.clickedActor._bfprop)
else:
for a in vp.getActors():
if a.GetPickable():
a.GetProperty().SetOpacity(1)
if hasattr(a, "_bfprop") and a._bfprop:
a.clickedActor.SetBackfaceProperty(a._bfprop)
elif key == "P":
if vp.clickedActor in vp.getActors():
acts = [vp.clickedActor]
else:
acts = vp.getActors()
for ia in acts:
if ia.GetPickable():
try:
ps = ia.GetProperty().GetPointSize()
if ps > 1:
ia.GetProperty().SetPointSize(ps - 1)
ia.GetProperty().SetRepresentationToPoints()
except AttributeError:
pass
elif key == "p":
if vp.clickedActor in vp.getActors():
acts = [vp.clickedActor]
else:
acts = vp.getActors()
for ia in acts:
if ia.GetPickable():
try:
ps = ia.GetProperty().GetPointSize()
ia.GetProperty().SetPointSize(ps + 2)
ia.GetProperty().SetRepresentationToPoints()
except AttributeError:
pass
elif key == "w":
if vp.clickedActor and vp.clickedActor in vp.getActors():
vp.clickedActor.GetProperty().SetRepresentationToWireframe()
else:
for a in vp.getActors():
if a and a.GetPickable():
if a.GetProperty().GetRepresentation() == 1: # toggle
a.GetProperty().SetRepresentationToSurface()
else:
a.GetProperty().SetRepresentationToWireframe()
elif key == "r":
vp.renderer.ResetCamera()
#############################################################
### now intercept custom observer ###########################
#############################################################
if vp.keyPressFunction:
if key not in ["Shift_L", "Control_L", "Super_L", "Alt_L"]:
if key not in ["Shift_R", "Control_R", "Super_R", "Alt_R"]:
vp.verbose = False
vp.keyPressFunction(key)
return
if key == "h":
from vtkplotter.docs import tips
tips()
return
if key == "a":
iren.ExitCallback()
cur = iren.GetInteractorStyle()
if isinstance(cur, vtk.vtkInteractorStyleTrackballCamera):
print("\nInteractor style changed to TrackballActor")
print(" you can now move and rotate individual meshes:")
print(" press X twice to save the repositioned mesh,")
print(" press 'a' to go back to normal style.")
iren.SetInteractorStyle(vtk.vtkInteractorStyleTrackballActor())
else:
iren.SetInteractorStyle(vtk.vtkInteractorStyleTrackballCamera())
iren.Start()
return
if key == "j":
iren.ExitCallback()
cur = iren.GetInteractorStyle()
if isinstance(cur, vtk.vtkInteractorStyleJoystickCamera):
iren.SetInteractorStyle(vtk.vtkInteractorStyleTrackballCamera())
else:
print("\nInteractor style changed to Joystick,", end="")
print(" press j to go back to normal.")
iren.SetInteractorStyle(vtk.vtkInteractorStyleJoystickCamera())
iren.Start()
return
if key == "S":
screenshot("screenshot.png")
colors.printc("~camera Saved rendering window as screenshot.png",
c="blue")
return
if key == "C":
cam = vp.renderer.GetActiveCamera()
print('\n### Example code to position this vtkCamera:')
print('vp = vtkplotter.Plotter()\n...')
print('vp.camera.SetPosition(',
[round(e, 3) for e in cam.GetPosition()], ')')
print('vp.camera.SetFocalPoint(',
[round(e, 3) for e in cam.GetFocalPoint()], ')')
print('vp.camera.SetViewUp(', [round(e, 3) for e in cam.GetViewUp()],
')')
print('vp.camera.SetDistance(', round(cam.GetDistance(), 3), ')')
print('vp.camera.SetClippingRange(',
[round(e, 3) for e in cam.GetClippingRange()], ')')
return
if key == "s":
if vp.clickedActor and vp.clickedActor in vp.getActors():
vp.clickedActor.GetProperty().SetRepresentationToSurface()
else:
for a in vp.getActors():
if a and a.GetPickable():
a.GetProperty().SetRepresentationToSurface()
elif key == "V":
if not (vp.verbose):
vp._tips()
vp.verbose = not (vp.verbose)
print("Verbose: ", vp.verbose)
elif key == "1":
vp.icol += 1
if vp.clickedActor and hasattr(vp.clickedActor, "GetProperty"):
vp.clickedActor.GetMapper().ScalarVisibilityOff()
vp.clickedActor.GetProperty().SetColor(colors.colors1[(vp.icol) %
10])
else:
for i, ia in enumerate(vp.getActors()):
if not ia.GetPickable():
continue
ia.GetProperty().SetColor(colors.colors1[(i + vp.icol) % 10])
ia.GetMapper().ScalarVisibilityOff()
addons.addLegend()
elif key == "2":
vp.icol += 1
if vp.clickedActor and hasattr(vp.clickedActor, "GetProperty"):
vp.clickedActor.GetMapper().ScalarVisibilityOff()
vp.clickedActor.GetProperty().SetColor(colors.colors2[(vp.icol) %
10])
else:
for i, ia in enumerate(vp.getActors()):
if not ia.GetPickable():
continue
ia.GetProperty().SetColor(colors.colors2[(i + vp.icol) % 10])
ia.GetMapper().ScalarVisibilityOff()
addons.addLegend()
elif key == "3":
c = colors.getColor("gold")
acs = vp.getActors()
if len(acs) == 0: return
alpha = 1.0 / len(acs)
for ia in acs:
if not ia.GetPickable():
continue
ia.GetProperty().SetColor(c)
ia.GetProperty().SetOpacity(alpha)
ia.GetMapper().ScalarVisibilityOff()
addons.addLegend()
elif key == "4":
for ia in vp.getActors():
if not ia.GetPickable():
continue
if isinstance(ia, Actor):
iascals = ia.scalars()
if len(iascals):
stype, sname = iascals[ia._scals_idx]
if "ormal" not in sname: # exclude normals
ia.scalars(ia._scals_idx)
ia.GetMapper().ScalarVisibilityOn()
colors.printc("..active scalars set to:",
sname,
"\ttype:",
stype,
c='g',
bold=0)
ia._scals_idx += 1
if ia._scals_idx >= len(iascals):
ia._scals_idx = 0
addons.addLegend()
elif key == "5":
bgc = numpy.array(vp.renderer.GetBackground()).sum() / 3
if bgc <= 0:
bgc = 0.223
elif 0 < bgc < 1:
bgc = 1
else:
bgc = 0
vp.renderer.SetBackground(bgc, bgc, bgc)
elif "KP_" in key: # change axes style
asso = {
"KP_Insert": 0,
"KP_0": 0,
"KP_End": 1,
"KP_1": 1,
"KP_Down": 2,
"KP_2": 2,
"KP_Next": 3,
"KP_3": 3,
"KP_Left": 4,
"KP_4": 4,
"KP_Begin": 5,
"KP_5": 5,
"KP_Right": 6,
"KP_6": 6,
"KP_Home": 7,
"KP_7": 7,
"KP_Up": 8,
"KP_8": 8,
"KP_Prior": 9,
"KP_9": 9,
}
clickedr = vp.renderers.index(vp.renderer)
if key in asso.keys():
if vp.axes_instances[clickedr]:
if hasattr(vp.axes_instances[clickedr],
"EnabledOff"): # widget
vp.axes_instances[clickedr].EnabledOff()
else:
vp.renderer.RemoveActor(vp.axes_instances[clickedr])
vp.axes_instances[clickedr] = None
addons.addAxes(axtype=asso[key], c=None)
vp.interactor.Render()
elif key in ["k", "K"]:
for a in vp.getActors():
ptdata = a.GetMapper().GetInput().GetPointData()
cldata = a.GetMapper().GetInput().GetCellData()
arrtypes = dict()
arrtypes[vtk.VTK_UNSIGNED_CHAR] = "UNSIGNED_CHAR"
arrtypes[vtk.VTK_UNSIGNED_INT] = "UNSIGNED_INT"
arrtypes[vtk.VTK_FLOAT] = "FLOAT"
arrtypes[vtk.VTK_DOUBLE] = "DOUBLE"
foundarr = 0
if key == "k":
for i in range(ptdata.GetNumberOfArrays()):
name = ptdata.GetArrayName(i)
if name == "Normals":
continue
ptdata.SetActiveScalars(name)
foundarr = 1
if not foundarr:
print("No vtkArray is associated to points", end="")
if hasattr(a, "_legend"):
print(" for actor:", a._legend)
else:
print()
if key == "K":
for i in range(cldata.GetNumberOfArrays()):
name = cldata.GetArrayName(i)
if name == "Normals":
continue
cldata.SetActiveScalars(name)
foundarr = 1
if not foundarr:
print("No vtkArray is associated to cells", end="")
if hasattr(a, "_legend"):
print(" for actor:", a._legend)
else:
print()
a.GetMapper().ScalarVisibilityOn()
elif key == "l":
if vp.clickedActor in vp.getActors():
acts = [vp.clickedActor]
else:
acts = vp.getActors()
for ia in acts:
if not ia.GetPickable():
continue
try:
ev = ia.GetProperty().GetEdgeVisibility()
ia.GetProperty().SetEdgeVisibility(not ev)
ia.GetProperty().SetRepresentationToSurface()
ia.GetProperty().SetLineWidth(0.1)
except AttributeError:
pass
elif key == "n": # show normals to an actor
from vtkplotter.analysis import normalLines
if vp.clickedActor in vp.getActors():
if vp.clickedActor.GetPickable():
vp.renderer.AddActor(normalLines(vp.clickedActor))
iren.Render()
else:
print("Click an actor and press n to add normals.")
elif key == "x":
if vp.justremoved is None:
if vp.clickedActor in vp.getActors() or isinstance(
vp.clickedActor, vtk.vtkAssembly):
vp.justremoved = vp.clickedActor
vp.renderer.RemoveActor(vp.clickedActor)
if hasattr(vp.clickedActor, '_legend') and vp.clickedActor._legend:
print('...removing actor: ' + str(vp.clickedActor._legend) +
', press x to put it back')
else:
print("Click an actor and press x to toggle it.")
else:
vp.renderer.AddActor(vp.justremoved)
vp.renderer.Render()
vp.justremoved = None
addons.addLegend()
elif key == "X":
if vp.clickedActor:
if not vp.cutterWidget:
addons.addCutterTool(vp.clickedActor)
else:
fname = "clipped.vtk"
confilter = vtk.vtkPolyDataConnectivityFilter()
if isinstance(vp.clickedActor, vtk.vtkActor):
confilter.SetInputData(
vp.clickedActor.GetMapper().GetInput())
elif isinstance(vp.clickedActor, vtk.vtkAssembly):
act = vp.clickedActor.getActors()[0]
confilter.SetInputData(act.GetMapper().GetInput())
else:
confilter.SetInputData(vp.clickedActor.polydata(True))
confilter.SetExtractionModeToLargestRegion()
confilter.Update()
cpd = vtk.vtkCleanPolyData()
cpd.SetInputData(confilter.GetOutput())
cpd.Update()
w = vtk.vtkPolyDataWriter()
w.SetInputData(cpd.GetOutput())
w.SetFileName(fname)
w.Write()
colors.printc("~save Saved file:", fname, c="m")
vp.cutterWidget.Off()
vp.cutterWidget = None
else:
for a in vp.actors:
if isinstance(a, vtk.vtkVolume):
addons.addCutterTool(a)
return
colors.printc(
"Click an actor and press X to open the cutter box widget.",
c=4)
elif key == "i": # print info
if vp.clickedActor:
utils.printInfo(vp.clickedActor)
else:
utils.printInfo(vp)
if iren:
iren.Render()
def print(self):
"""Print ``Mesh``, ``Assembly``, ``Volume`` or ``Image`` infos."""
utils.printInfo(self)
return self
def printInfo(self):
"""Print information about a vtk object."""
utils.printInfo(self)
return self
def _keypress(vp, obj, event):
key = obj.GetKeySym()
#print ('Pressed key:', key, event)
if key in ["q", "Q", "space", "Return"]:
vp.interactor.ExitCallback()
return
elif key == "e":
if vp.verbose:
print("closing window...")
vp.interactor.GetRenderWindow().Finalize()
vp.interactor.TerminateApp()
return
elif key == "Escape":
print()
sys.stdout.flush()
vp.interactor.TerminateApp()
vp.interactor.GetRenderWindow().Finalize()
vp.interactor.TerminateApp()
sys.exit(0)
elif key == "m":
if vp.clickedActor in vp.getActors():
vp.clickedActor.GetProperty().SetOpacity(0.02)
bfp = vp.clickedActor.GetBackfaceProperty()
if bfp:
bfp.SetOpacity(0.02)
else:
for a in vp.getActors():
if a.GetPickable():
a.GetProperty().SetOpacity(0.02)
bfp = a.GetBackfaceProperty()
if bfp:
bfp.SetOpacity(0.02)
elif key == "slash":
if vp.clickedActor in vp.getActors():
vp.clickedActor.GetProperty().SetOpacity(1)
bfp = vp.clickedActor.GetBackfaceProperty()
if bfp:
bfp.SetOpacity(1)
else:
for a in vp.getActors():
if a.GetPickable():
a.GetProperty().SetOpacity(1)
bfp = a.GetBackfaceProperty()
if bfp:
bfp.SetOpacity(1)
elif key == "comma":
if vp.clickedActor in vp.getActors():
ap = vp.clickedActor.GetProperty()
ap.SetOpacity(max([ap.GetOpacity() * 0.75, 0.01]))
bfp = vp.clickedActor.GetBackfaceProperty()
if bfp:
bfp.SetOpacity(ap.GetOpacity())
else:
for a in vp.getActors():
if a.GetPickable():
ap = a.GetProperty()
ap.SetOpacity(max([ap.GetOpacity() * 0.75, 0.01]))
bfp = a.GetBackfaceProperty()
if bfp:
bfp.SetOpacity(ap.GetOpacity())
elif key == "period":
if vp.clickedActor in vp.getActors():
ap = vp.clickedActor.GetProperty()
ap.SetOpacity(min([ap.GetOpacity() * 1.25, 1.0]))
bfp = vp.clickedActor.GetBackfaceProperty()
if bfp:
bfp.SetOpacity(ap.GetOpacity())
else:
for a in vp.getActors():
if a.GetPickable():
ap = a.GetProperty()
ap.SetOpacity(min([ap.GetOpacity() * 1.25, 1.0]))
bfp = a.GetBackfaceProperty()
if bfp:
bfp.SetOpacity(ap.GetOpacity())
elif key == "P":
if vp.clickedActor in vp.getActors():
acts = [vp.clickedActor]
else:
acts = vp.getActors()
for ia in acts:
if ia.GetPickable():
try:
ps = ia.GetProperty().GetPointSize()
if ps > 1:
ia.GetProperty().SetPointSize(ps - 1)
ia.GetProperty().SetRepresentationToPoints()
except AttributeError:
pass
elif key == "p":
if vp.clickedActor in vp.getActors():
acts = [vp.clickedActor]
else:
acts = vp.getActors()
for ia in acts:
if ia.GetPickable():
try:
ps = ia.GetProperty().GetPointSize()
ia.GetProperty().SetPointSize(ps + 2)
ia.GetProperty().SetRepresentationToPoints()
except AttributeError:
pass
elif key == "w":
if vp.clickedActor and vp.clickedActor in vp.getActors():
vp.clickedActor.GetProperty().SetRepresentationToWireframe()
else:
for a in vp.getActors():
if a and a.GetPickable():
a.GetProperty().SetRepresentationToWireframe()
elif key == "r":
vp.renderer.ResetCamera()
### now intercept custom observer ###########################
if vp.keyPressFunction:
if key not in ['Shift_L', 'Control_L', 'Super_L', 'Alt_L']:
if key not in ['Shift_R', 'Control_R', 'Super_R', 'Alt_R']:
vp.verbose = False
vp.keyPressFunction(key)
return
if key == "S":
vp.screenshot('screenshot.png')
colors.printc('Saved rendering window as screenshot.png', c='blue')
return
elif key == "C":
cam = vp.renderer.GetActiveCamera()
print('\n### Example code to position this vtkCamera:')
print('vp = vtkplotter.Plotter()\n...')
print('vp.camera.SetPosition(',
[round(e, 3) for e in cam.GetPosition()], ')')
print('vp.camera.SetFocalPoint(',
[round(e, 3) for e in cam.GetFocalPoint()], ')')
print('vp.camera.SetViewUp(', [round(e, 3) for e in cam.GetViewUp()],
')')
print('vp.camera.SetDistance(', round(cam.GetDistance(), 3), ')')
print('vp.camera.SetClippingRange(',
[round(e, 3) for e in cam.GetClippingRange()], ')')
return
elif key == "s":
if vp.clickedActor and vp.clickedActor in vp.getActors():
vp.clickedActor.GetProperty().SetRepresentationToSurface()
else:
for a in vp.getActors():
if a and a.GetPickable():
a.GetProperty().SetRepresentationToSurface()
elif key == "V":
if not (vp.verbose):
vp._tips()
vp.verbose = not (vp.verbose)
print("Verbose: ", vp.verbose)
elif key in ["1", "KP_End", "KP_1"]:
if vp.clickedActor and hasattr(vp.clickedActor, 'GetProperty'):
vp.clickedActor.GetProperty().SetColor(colors.colors1[(vp.icol) %
10])
else:
for i, ia in enumerate(vp.getActors()):
if not ia.GetPickable(): continue
ia.GetProperty().SetColor(colors.colors1[(i + vp.icol) % 10])
ia.GetMapper().ScalarVisibilityOff()
vp.icol += 1
vp._draw_legend()
elif key in ["2", "KP_Down", "KP_2"]:
if vp.clickedActor and hasattr(vp.clickedActor, 'GetProperty'):
vp.clickedActor.GetProperty().SetColor(colors.colors2[(vp.icol) %
10])
else:
for i, ia in enumerate(vp.getActors()):
if not ia.GetPickable(): continue
ia.GetProperty().SetColor(colors.colors2[(i + vp.icol) % 10])
ia.GetMapper().ScalarVisibilityOff()
vp.icol += 1
vp._draw_legend()
elif key in ["3", "KP_Left", "KP_4"]:
c = colors.getColor('gold')
acs = vp.getActors()
alpha = 1. / len(acs)
for ia in acs:
if not ia.GetPickable(): continue
ia.GetProperty().SetColor(c)
ia.GetProperty().SetOpacity(alpha)
ia.GetMapper().ScalarVisibilityOff()
vp._draw_legend()
elif key in ["k", "K"]:
for a in vp.getActors():
ptdata = a.polydata().GetPointData()
cldata = a.polydata().GetCellData()
arrtypes = dict()
arrtypes[vtk.VTK_UNSIGNED_CHAR] = 'VTK_UNSIGNED_CHAR'
arrtypes[vtk.VTK_UNSIGNED_INT] = 'VTK_UNSIGNED_INT'
arrtypes[vtk.VTK_FLOAT] = 'VTK_FLOAT'
arrtypes[vtk.VTK_DOUBLE] = 'VTK_DOUBLE'
foundarr = 0
if key == 'k':
for i in range(ptdata.GetNumberOfArrays()):
name = ptdata.GetArrayName(i)
if name == 'Normals':
continue
ptdata.SetActiveScalars(name)
foundarr = 1
if not foundarr:
print('No vtkArray is associated to points', end='')
if hasattr(a, 'legend'):
print(' for actor:', a.legend)
else:
print()
if key == 'K':
for i in range(cldata.GetNumberOfArrays()):
name = cldata.GetArrayName(i)
if name == 'Normals':
continue
cldata.SetActiveScalars(name)
foundarr = 1
if not foundarr:
print('No vtkArray is associated to cells', end='')
if hasattr(a, 'legend'):
print(' for actor:', a.legend)
else:
print()
a.GetMapper().ScalarVisibilityOn()
elif key == "L":
if vp.clickedActor in vp.getActors():
acts = [vp.clickedActor]
else:
acts = vp.getActors()
for ia in acts:
if not ia.GetPickable(): continue
try:
ia.GetProperty().SetRepresentationToSurface()
ls = ia.GetProperty().GetLineWidth()
if ls <= 1:
ls = 1
ia.GetProperty().EdgeVisibilityOff()
else:
ia.GetProperty().EdgeVisibilityOn()
ia.GetProperty().SetLineWidth(ls - 1)
except AttributeError:
pass
elif key == "l":
if vp.clickedActor in vp.getActors():
acts = [vp.clickedActor]
else:
acts = vp.getActors()
for ia in acts:
if not ia.GetPickable(): continue
try:
ia.GetProperty().EdgeVisibilityOn()
c = ia.GetProperty().GetColor()
ia.GetProperty().SetEdgeColor(c)
ls = ia.GetProperty().GetLineWidth()
ia.GetProperty().SetLineWidth(ls + 1)
except AttributeError:
pass
elif key == "n": # show normals to an actor
from vtkplotter.analysis import normals as ana_normals
if vp.clickedActor in vp.getActors():
acts = [vp.clickedActor]
else:
acts = vp.getActors()
for ia in acts:
if not ia.GetPickable(): continue
alpha = ia.GetProperty().GetOpacity()
c = ia.GetProperty().GetColor()
a = ana_normals(ia, ratio=1, c=c, alpha=alpha)
try:
i = vp.actors.index(ia)
vp.actors[i] = a
vp.renderer.RemoveActor(ia)
vp.interactor.Render()
except ValueError:
pass
vp.render(a)
elif key == "x":
if vp.justremoved is None:
if vp.clickedActor in vp.getActors() or isinstance(
vp.clickedActor, vtk.vtkAssembly):
vp.justremoved = vp.clickedActor
vp.renderer.RemoveActor(vp.clickedActor)
if hasattr(vp.clickedActor, 'legend') and vp.clickedActor.legend:
colors.printc('...removing actor: ' +
str(vp.clickedActor.legend) +
', press x to put it back')
else:
if vp.verbose:
colors.printc('Click an actor and press x to toggle it.',
c=5)
else:
vp.renderer.AddActor(vp.justremoved)
vp.renderer.Render()
vp.justremoved = None
vp._draw_legend()
elif key == "X":
if len(vp.actors):
vp.clickedActor = vp.actors[-1]
if vp.clickedActor:
if not vp.cutterWidget:
vp.cutterWidget = vp.addCutterTool(vp.clickedActor)
else:
fname = 'clipped.vtk'
confilter = vtk.vtkPolyDataConnectivityFilter()
confilter.SetInputData(vp.clickedActor.polydata(True))
confilter.SetExtractionModeToLargestRegion()
confilter.Update()
cpd = vtk.vtkCleanPolyData()
cpd.SetInputData(confilter.GetOutput())
cpd.Update()
w = vtk.vtkPolyDataWriter()
w.SetInputData(cpd.GetOutput())
w.SetFileName(fname)
w.Write()
colors.printc(" -> Saved file:", fname, c='m')
vp.cutterWidget.Off()
vp.cutterWidget = None
else:
colors.printc(
'Click an actor and press X to open the cutter box widget.',
c=4)
elif key == 'i': # print info
if vp.clickedActor:
utils.printInfo(vp.clickedActor)
else:
utils.printInfo(vp)
if vp.interactor:
vp.interactor.Render()