def showCaptionWidget(position, text, view=None):
view = view or app.getCurrentRenderView()
assert view
global captionWidget
if not captionWidget:
rep = vtk.vtkCaptionRepresentation()
rep.SetPosition(0.2, 0.8)
w = vtk.vtkCaptionWidget()
w.SetInteractor(view.renderWindow().GetInteractor())
w.SetRepresentation(rep)
w.On()
captionWidget = w
rep = captionWidget.GetRepresentation()
rep.SetAnchorPosition(position)
rep.GetCaptionActor2D().SetCaption(text)
a = rep.GetCaptionActor2D()
pr = a.GetTextActor().GetTextProperty()
pr.SetJustificationToCentered()
pr.SetVerticalJustificationToCentered()
pr.SetItalic(0)
pr.SetBold(0)
pr.SetShadow(0)
pr.SetFontFamilyToArial()
c2 = rep.GetPosition2Coordinate()
c2.SetCoordinateSystemToDisplay()
c2.SetValue(12*len(text),30)
# disable border
#rep.SetShowBorder(0)
a.SetThreeDimensionalLeader(0)
a.SetLeaderGlyphSize(0.005)
captionWidget.On()
captionWidget.Render()
def showCaptionWidget(position, text, view=None):
view = view or app.getCurrentRenderView()
assert view
global captionWidget
if not captionWidget:
rep = vtk.vtkCaptionRepresentation()
rep.SetPosition(0.2, 0.8)
w = vtk.vtkCaptionWidget()
w.SetInteractor(view.renderWindow().GetInteractor())
w.SetRepresentation(rep)
w.On()
captionWidget = w
rep = captionWidget.GetRepresentation()
rep.SetAnchorPosition(position)
rep.GetCaptionActor2D().SetCaption(text)
a = rep.GetCaptionActor2D()
pr = a.GetTextActor().GetTextProperty()
pr.SetJustificationToCentered()
pr.SetVerticalJustificationToCentered()
pr.SetItalic(0)
pr.SetBold(0)
pr.SetShadow(0)
pr.SetFontFamilyToArial()
c2 = rep.GetPosition2Coordinate()
c2.SetCoordinateSystemToDisplay()
c2.SetValue(12 * len(text), 30)
# disable border
#rep.SetShowBorder(0)
a.SetThreeDimensionalLeader(0)
a.SetLeaderGlyphSize(0.005)
captionWidget.On()
captionWidget.Render()