def __init__(self, parent, visualizer, **kws):
"""
Method: __init__(parent)
Initialization
"""
self.x, self.y, self.z = -1, -1, -1
VisualizationModule.__init__(self, parent, visualizer, **kws)
self.on = 0
self.renew = 1
self.mapper = vtk.vtkPolyDataMapper()
self.eventDesc = "Rendering Camera Path"
self.spline = spline = vtk.vtkSplineWidget()
self.spline.GetLineProperty().SetColor(1, 0, 0)
self.spline.GetHandleProperty().SetColor(0, 1, 0)
self.spline.SetResolution(1000)
#TODO: endInteraction is in GUI.Urmas.SplineEditor
self.spline.AddObserver("EndInteractionEvent", self.endInteraction)
self.spline.AddObserver("InteractionEvent", self.endInteraction)
#TODO: iren is in GUI.Urmas.SplineEditor
self.spline.SetInteractor(self.iren)
#self.spline.On()
#self.spline.SetEnabled(1)
self.renderer = self.parent.getRenderer()
def initNewSpline( self, **args ):
handle_points = args.get( 'handles', None )
self.spline = vtk.vtkSplineWidget()
self.spline.SetProjectionNormalToZAxes()
self.spline.SetProjectToPlane(2)
if self.iren: self.activateSpline( self.iren )
if handle_points: self.modifyTrajectory( handle_points, takeSnapshot=True )
def _addSelector(self, selectorType, numPoints):
if selectorType == "Spline":
sw = vtk.vtkSplineWidget()
else:
sw = vtkdevide.vtkPolyLineWidget()
sw.SetCurrentRenderer(self._renderer)
sw.SetDefaultRenderer(self._renderer)
sw.SetInput(self._histogram.GetOutput())
sw.SetInteractor(self._viewFrame.rwi)
sw.PlaceWidget()
sw.ProjectToPlaneOn()
sw.SetProjectionNormalToZAxes()
sw.SetProjectionPosition(0.00)
sw.SetPriority(0.6)
sw.SetNumberOfHandles(numPoints)
sw.SetClosed(1)
sw.On()
swPolyData = vtk.vtkPolyData()
self._selectors.append({"type": selectorType, "widget": sw, "polyData": swPolyData})
# add it to the appendPd
self._appendPD.AddInput(swPolyData)
nrGridRows = self._grid.GetNumberRows()
self._grid.AppendRows()
self._grid.SetCellValue(nrGridRows, self._gridTypeCol, selectorType)
self._grid.SetCellValue(nrGridRows, self._gridNOHCol, str(sw.GetNumberOfHandles()))
self._postSelectorChange()
sw.AddObserver("EndInteractionEvent", self._observerSelectorEndInteraction)
# make sure this is on
self._activateOverlayIPW()
def __init__(self, parent, visualizer, **kws):
"""
Method: __init__(parent)
Initialization
"""
self.x, self.y, self.z = -1, -1, -1
VisualizationModule.__init__(self, parent, visualizer, **kws)
self.on = 0
self.renew = 1
self.mapper = vtk.vtkPolyDataMapper()
self.eventDesc = "Rendering Camera Path"
self.spline = spline = vtk.vtkSplineWidget()
self.spline.GetLineProperty().SetColor(1, 0, 0)
self.spline.GetHandleProperty().SetColor(0, 1, 0)
self.spline.SetResolution(1000)
#TODO: endInteraction is in GUI.Urmas.SplineEditor
self.spline.AddObserver("EndInteractionEvent", self.endInteraction)
self.spline.AddObserver("InteractionEvent", self.endInteraction)
#TODO: iren is in GUI.Urmas.SplineEditor
self.spline.SetInteractor(self.iren)
#self.spline.On()
#self.spline.SetEnabled(1)
self.renderer = self.parent.getRenderer()
def initNewSpline(self, **args):
handle_points = args.get('handles', None)
self.spline = vtk.vtkSplineWidget()
self.spline.SetProjectionNormalToZAxes()
self.spline.SetProjectToPlane(2)
if self.iren: self.activateSpline(self.iren)
if handle_points:
self.modifyTrajectory(handle_points, takeSnapshot=True)
def _addSelector(self, selectorType, numPoints):
if selectorType == 'Spline':
sw = vtk.vtkSplineWidget()
else:
sw = vtkdevide.vtkPolyLineWidget()
sw.SetCurrentRenderer(self._renderer)
sw.SetDefaultRenderer(self._renderer)
sw.SetInput(self._histogram.GetOutput())
sw.SetInteractor(self._viewFrame.rwi)
sw.PlaceWidget()
sw.ProjectToPlaneOn()
sw.SetProjectionNormalToZAxes()
sw.SetProjectionPosition(0.00)
sw.SetPriority(0.6)
sw.SetNumberOfHandles(numPoints)
sw.SetClosed(1)
sw.On()
swPolyData = vtk.vtkPolyData()
self._selectors.append({'type' : selectorType,
'widget' : sw,
'polyData' : swPolyData})
# add it to the appendPd
self._appendPD.AddInput(swPolyData)
nrGridRows = self._grid.GetNumberRows()
self._grid.AppendRows()
self._grid.SetCellValue(nrGridRows, self._gridTypeCol, selectorType)
self._grid.SetCellValue(nrGridRows, self._gridNOHCol,
str(sw.GetNumberOfHandles()))
self._postSelectorChange()
sw.AddObserver('EndInteractionEvent',
self._observerSelectorEndInteraction)
# make sure this is on
self._activateOverlayIPW()
def add_spline_widget(self,
callback,
bounds=None,
factor=1.25,
n_hanldes=5,
resolution=25,
color="yellow",
show_ribbon=False,
ribbon_color="pink",
ribbon_opacity=0.5,
pass_widget=False):
"""Create and add a spline widget to the scene.
Use the bounds argument to place this widget. Several "handles" are
used to control a parametric function for building this spline. Click
directly on the line to translate the widget.
Note
----
This widget has trouble displaying certain colors. Use only simple
colors (white, black, yellow).
Parameters
----------
callback : callable
The method called every time the spline is updated. This passes a
:class:`pyvista.PolyData` object to the callback function of the
generated spline.
bounds : tuple(float)
Length 6 tuple of the bounding box where the widget is placed.
factor : float, optional
An inflation factor to expand on the bounds when placing
n_handles : int
The number of interactive spheres to control the spline's
parametric function.
resolution : int
The number of points in the spline created between all the handles
color : string or 3 item list, optional, defaults to white
Either a string, rgb list, or hex color string.
show_ribbon : bool
If ``True``, the poly plane used for slicing will also be shown.
pass_widget : bool
If true, the widget will be passed as the last argument of the
callback
"""
if hasattr(self, 'notebook') and self.notebook:
raise AssertionError(
'Spline widget not available in notebook plotting')
if not hasattr(self, 'iren'):
raise AttributeError(
'Widgets must be used with an intereactive renderer. No off screen plotting.'
)
if not hasattr(self, "spline_widgets"):
self.spline_widgets = []
if color is None:
color = rcParams['color']
if bounds is None:
bounds = self.bounds
ribbon = pyvista.PolyData()
def _the_callback(widget, event_id):
polyline = pyvista.PolyData()
widget.GetPolyData(polyline)
ribbon.shallow_copy(polyline.ribbon(normal=(0, 0, 1), angle=90.0))
if hasattr(callback, '__call__'):
if pass_widget:
try_callback(callback, polyline, widget)
else:
try_callback(callback, polyline)
return
spline_widget = vtk.vtkSplineWidget()
spline_widget.GetLineProperty().SetColor(parse_color(color))
spline_widget.SetNumberOfHandles(n_hanldes)
spline_widget.SetInteractor(self.iren)
spline_widget.SetCurrentRenderer(self.renderer)
spline_widget.SetPlaceFactor(factor)
spline_widget.PlaceWidget(bounds)
spline_widget.SetResolution(resolution)
spline_widget.Modified()
spline_widget.On()
spline_widget.AddObserver(vtk.vtkCommand.EndInteractionEvent,
_the_callback)
_the_callback(spline_widget, None)
if show_ribbon:
self.add_mesh(ribbon, color=ribbon_color, opacity=ribbon_opacity)
self.spline_widgets.append(spline_widget)
return spline_widget
# forced to snap to either nearest pixel points, or pixel centers. Here
# it is turned off.
#
itw.SnapToImageOff()
#
# Automatically form closed paths.
#
#itw AutoCloseOn
itw.AutoCloseOn()
#
# Set up a vtkSplineWidget in the second renderer and have
# its handles set by the tracer widget.
#
isw = vtk.vtkSplineWidget()
isw.SetCurrentRenderer(ren2)
isw.SetDefaultRenderer(ren2)
isw.SetInputConnection(extract.GetOutputPort())
isw.SetInteractor(iren)
bnds = imageActor2.GetBounds()
isw.PlaceWidget(bnds[0], bnds[1], bnds[2], bnds[3], bnds[4], bnds[5])
isw.ProjectToPlaneOn()
isw.SetProjectionNormalToXAxes()
isw.SetProjectionPosition(pos)
#
# Have the widgets control each others handle positions.
#
itw.AddObserver('EndInteractionEvent',AdjustSpline)
isw.AddObserver('EndInteractionEvent',AdjustTracer)
# forced to snap to either nearest pixel points, or pixel centers. Here
# it is turned off.
#
itw.SnapToImageOff()
#
# Automatically form closed paths.
#
#itw AutoCloseOn
itw.AutoCloseOn()
#
# Set up a vtkSplineWidget in the second renderer and have
# its handles set by the tracer widget.
#
isw = vtk.vtkSplineWidget()
isw.SetCurrentRenderer(ren2)
isw.SetDefaultRenderer(ren2)
isw.SetInput(extract.GetOutput())
isw.SetInteractor(iren)
bnds = imageActor2.GetBounds()
isw.PlaceWidget(bnds[0], bnds[1], bnds[2], bnds[3], bnds[4], bnds[5])
isw.ProjectToPlaneOn()
isw.SetProjectionNormalToXAxes()
isw.SetProjectionPosition(pos)
#
# Have the widgets control each others handle positions.
#
itw.AddObserver('EndInteractionEvent',AdjustSpline)
isw.AddObserver('EndInteractionEvent',AdjustTracer)
def initializeVTK(self):
"""
Code to initialize VTK portions of this widget
"""
self.renWin = self.wxrenwin.GetRenderWindow()
ren = self.renderer = self.wxrenwin.getRenderer()
ren.SetBackground(0, 0, 0)
self.wxrenwin.Render()
self.iren = iren = self.renWin.GetInteractor()
self.iren.SetSize(self.renWin.GetSize())
self.dataExtensionX = 50
self.dataExtensionY = 50
self.dataExtensionZ = 50
self.data = None
self.interactionCallback = None
self.spline = spline = vtk.vtkSplineWidget()
self.spline.GetLineProperty().SetColor(1, 0, 0)
self.spline.GetHandleProperty().SetColor(0, 1, 0)
self.spline.SetResolution(10000)
self.spline.SetInteractor(self.iren)
self.style = self.iren.GetInteractorStyle()
self.spline.AddObserver("EndInteractionEvent", self.endInteraction)
self.spline.AddObserver("InteractionEvent", self.endInteraction)
self.style.AddObserver("EndInteractionEvent", self.endInteraction)
self.style.AddObserver("InteractionEvent", self.endInteraction)
self.iren.AddObserver("EndInteractionEvent", self.endInteraction)
self.iren.AddObserver("InteractionEvent", self.endInteraction)
self.spline.On()
self.spline.SetEnabled(1)
self.style.SetEnabled(1)
self.outline = vtk.vtkOutlineFilter()
self.outlinemapper = vtk.vtkPolyDataMapper()
self.outlineactor = vtk.vtkActor()
self.axes = vtk.vtkCubeAxesActor2D()
self.initCamera()
self.arrow = vtk.vtkArrowSource()
self.arrowTransform = vtk.vtkTransform()
self.arrowTransform.RotateX(90.0)
self.arrowTransform.Scale(80.0, 200.0, 200.0)
self.transformFilter = vtk.vtkTransformFilter()
self.transformFilter.SetTransform(self.arrowTransform)
self.transformFilter.SetInput(self.arrow.GetOutput())
self.arrowMapper = vtk.vtkPolyDataMapper()
self.arrowMapper.SetInput(self.transformFilter.GetOutput())
self.arrowActor = vtk.vtkActor()
self.arrowActor.GetProperty().SetColor((0, 0, 1))
self.arrowActor.SetMapper(self.arrowMapper)
self.renderer.AddActor(self.arrowActor)
self.arrowActor.SetVisibility(0)
self.wxrenwin.Render()
def initializeVTK(self):
"""
Code to initialize VTK portions of this widget
"""
self.renWin = self.wxrenwin.GetRenderWindow()
ren = self.renderer = self.wxrenwin.getRenderer()
ren.SetBackground(0, 0, 0)
self.wxrenwin.Render()
self.iren = iren = self.renWin.GetInteractor()
self.iren.SetSize(self.renWin.GetSize())
self.dataExtensionX = 50
self.dataExtensionY = 50
self.dataExtensionZ = 50
self.data = None
self.interactionCallback = None
self.spline = spline = vtk.vtkSplineWidget()
self.spline.GetLineProperty().SetColor(1, 0, 0)
self.spline.GetHandleProperty().SetColor(0, 1, 0)
self.spline.SetResolution(10000)
self.spline.SetInteractor(self.iren)
self.style = self.iren.GetInteractorStyle()
self.spline.AddObserver("EndInteractionEvent", self.endInteraction)
self.spline.AddObserver("InteractionEvent", self.endInteraction)
self.style.AddObserver("EndInteractionEvent", self.endInteraction)
self.style.AddObserver("InteractionEvent", self.endInteraction)
self.iren.AddObserver("EndInteractionEvent", self.endInteraction)
self.iren.AddObserver("InteractionEvent", self.endInteraction)
self.spline.On()
self.spline.SetEnabled(1)
self.style.SetEnabled(1)
self.outline = vtk.vtkOutlineFilter ()
self.outlinemapper = vtk.vtkPolyDataMapper ()
self.outlineactor = vtk.vtkActor ()
self.axes = vtk.vtkCubeAxesActor2D ()
self.initCamera()
self.arrow = vtk.vtkArrowSource()
self.arrowTransform = vtk.vtkTransform()
self.arrowTransform.RotateX(90.0)
self.arrowTransform.Scale(80.0, 200.0, 200.0)
self.transformFilter = vtk.vtkTransformFilter()
self.transformFilter.SetTransform(self.arrowTransform)
self.transformFilter.SetInput(self.arrow.GetOutput())
self.arrowMapper = vtk.vtkPolyDataMapper()
self.arrowMapper.SetInput(self.transformFilter.GetOutput())
self.arrowActor = vtk.vtkActor()
self.arrowActor.GetProperty().SetColor((0, 0, 1))
self.arrowActor.SetMapper(self.arrowMapper)
self.renderer.AddActor(self.arrowActor)
self.arrowActor.SetVisibility(0)
self.wxrenwin.Render()
