def _add_marker(self, world_pos, colour, size=0.01):
"""
@param size: fraction of visible prop bounds diagonal.
"""
#self._add_sphere(world_pos, MAJOR_MARKER_SIZE, (1,1,0))
pw = vtk.vtkPointWidget()
# we're giving it a small bounding box
pw.TranslationModeOn()
b = self._viewer.GetRenderer().ComputeVisiblePropBounds()
# calculate diagonal
dx,dy = b[1] - b[0], b[3] - b[2]
diag = math.hypot(dx,dy)
d = size * diag
w = world_pos
pwb = w[0] - d, w[0] + d, \
w[1] - d, w[1] + d, \
b[4], b[5]
pw.PlaceWidget(pwb)
pw.SetPosition(world_pos)
pw.SetInteractor(self._view_frame.rwi)
pw.AllOff()
pw.GetProperty().SetColor(colour)
pw.On()
return pw
def Point(self):
print 'Point'
self.cut_point = vtk.vtkPointWidget()
self.cut_point.SetInput(surface.GetOutput())
self.cut_point.AllOff()
self.cut_point.PlaceWidget()
# nastavení interaktoru
self.cut_point.SetInteractor(self.iren)
self.cut_point.On()
point = vtk.vtkPolyData()
self.cut_point.GetPolyData(point);
def Point(self):
print('Point')
self.cut_point = vtk.vtkPointWidget()
self.cut_point.SetInput(surface.GetOutput())
self.cut_point.AllOff()
self.cut_point.PlaceWidget()
# nastavení interaktoru
self.cut_point.SetInteractor(self.iren)
self.cut_point.On()
point = vtk.vtkPolyData()
self.cut_point.GetPolyData(point)
# per the probed value and orient it as per the vector. import vtk from vtk.util.misc import vtkGetDataRoot VTK_DATA_ROOT = vtkGetDataRoot() # Start by loading some data. pl3d = vtk.vtkPLOT3DReader() pl3d.SetXYZFileName(VTK_DATA_ROOT + "/Data/combxyz.bin") pl3d.SetQFileName(VTK_DATA_ROOT + "/Data/combq.bin") pl3d.SetScalarFunctionNumber(100) pl3d.SetVectorFunctionNumber(202) pl3d.Update() # The plane widget is used probe the dataset. pointWidget = vtk.vtkPointWidget() pointWidget.SetInput(pl3d.GetOutput()) pointWidget.AllOff() pointWidget.PlaceWidget() point = vtk.vtkPolyData() pointWidget.GetPolyData(point) probe = vtk.vtkProbeFilter() probe.SetInput(point) probe.SetSource(pl3d.GetOutput()) # create glyph cone = vtk.vtkConeSource() cone.SetResolution(16) glyph = vtk.vtkGlyph3D() glyph.SetInputConnection(probe.GetOutputPort())
import vtk from vtk.util.misc import vtkGetDataRoot VTK_DATA_ROOT = vtkGetDataRoot() # Start by loading some data. pl3d = vtk.vtkPLOT3DReader() pl3d.SetXYZFileName(VTK_DATA_ROOT + "/Data/combxyz.bin") pl3d.SetQFileName(VTK_DATA_ROOT + "/Data/combq.bin") pl3d.SetScalarFunctionNumber(100) pl3d.SetVectorFunctionNumber(202) pl3d.Update() # The plane widget is used probe the dataset. pointWidget = vtk.vtkPointWidget() pointWidget.SetInput(pl3d.GetOutput()) pointWidget.AllOff() pointWidget.PlaceWidget() point = vtk.vtkPolyData() pointWidget.GetPolyData(point) probe = vtk.vtkProbeFilter() probe.SetInput(point) probe.SetSource(pl3d.GetOutput()) # create glyph cone = vtk.vtkConeSource() cone.SetResolution(16) glyph = vtk.vtkGlyph3D() glyph.SetInputConnection(probe.GetOutputPort())
cutMapper.SetInput(cutTube.GetOutput())
cutActor.SetMapper(cutMapper)
cutActor.GetProperty().SetDiffuseColor(lamp_black)
cutActor.GetProperty().SetSpecular(0.4)
cutActor.GetProperty().SetSpecularPower(10)
aRenderer.AddActor(cutActor)
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(aRenderer)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
iren.Initialize()
pw = vtk.vtkPointWidget()
pw.PlaceWidget(-planeSize * 2, planeSize * 2, -planeSize * 2, planeSize * 2,
-planeSize * 2, planeSize * 2)
pw.SetPosition(planeSize, planeSize, 0)
pw.SetInteractor(iren)
pw.AllOff()
pw.On()
def observerPW(widget, eventName):
sphereActor.SetPosition(widget.GetPosition())
for planeSource, cutter in zip(planeSources, cutters):
planeSource.SetCenter(widget.GetPosition())
cutter.GetCutFunction().SetNormal(planeSource.GetNormal())
cutter.GetCutFunction().SetOrigin(planeSource.GetOrigin())
def _storePoint(self, discrete, world, value, pointName,
lockToSurface=False, boundsForPoints=None):
tdren = self.slice3dVWR._threedRenderer
tdrwi = self.slice3dVWR.threedFrame.threedRWI
if not boundsForPoints:
bounds = tdren.ComputeVisiblePropBounds()
else:
bounds = boundsForPoints
if bounds[1] - bounds[0] <= 0 or \
bounds[3] - bounds[2] <= 0 or \
bounds[5] - bounds[4] <= 0:
bounds = (-1,1,-1,1,-1,1)
# we use a pointwidget
pw = vtk.vtkPointWidget()
#pw.SetInput(inputData)
pw.PlaceWidget(bounds[0], bounds[1], bounds[2], bounds[3], bounds[4],
bounds[5])
pw.SetPosition(world)
# make priority higher than the default of vtk3DWidget so
# that imageplanes behind us don't get selected the whole time
pw.SetPriority(0.6)
pw.SetInteractor(tdrwi)
pw.AllOff()
pw.On()
#ss.SetRadius((bounds[1] - bounds[0]) / 100.0)
ca = vtk.vtkCaptionActor2D()
ca.GetProperty().SetColor(1,1,0)
tp = ca.GetCaptionTextProperty()
tp.SetColor(1,1,0)
tp.ShadowOff()
ca.SetPickable(0)
ca.SetAttachmentPoint(world)
ca.SetPosition(25,10)
ca.BorderOff()
ca.SetWidth(0.3)
ca.SetHeight(0.04)
# I used to have the problem on my ATI X1600 that interaction
# was extremely slow of 3D was on... problem seems to have
# gone away by itself, or it rather has to do with the slow-
# glcontext-things
ca.ThreeDimensionalLeaderOn()
ca.SetMaximumLeaderGlyphSize(10)
ca.SetLeaderGlyphSize(0.025)
coneSource = vtk.vtkConeSource()
coneSource.SetResolution(6)
# we want the cone's very tip to by at 0,0,0
coneSource.SetCenter(- coneSource.GetHeight() / 2.0, 0, 0)
ca.SetLeaderGlyph(coneSource.GetOutput())
if len(pointName) > 0:
ca.SetCaption(pointName)
else:
ca.SetCaption(".")
# since VTK 20070628, caption actor doesn't like an empty label
tdren.AddActor(ca)
def pw_ei_cb(pw, evt_name):
# make sure our output is good
self._syncOutputSelectedPoints()
pw.AddObserver('StartInteractionEvent', lambda pw, evt_name,
s=self:
s._observerPointWidgetInteraction(pw, evt_name))
pw.AddObserver('InteractionEvent', lambda pw, evt_name,
s=self:
s._observerPointWidgetInteraction(pw, evt_name))
pw.AddObserver('EndInteractionEvent', pw_ei_cb)
# we start with it disabled
pw.Off()
# store the cursor (discrete coords) the coords and the actor
self._pointsList.append({'discrete' : tuple(discrete),
'world' : tuple(world),
'value' : value,
'name' : pointName,
'pointWidget' : pw,
'lockToSurface' : lockToSurface,
'sphereActor' : ca})
self._grid.AppendRows()
#self._grid.AdjustScrollBars()
row = self._grid.GetNumberRows() - 1
self._syncGridRowToSelPoints(row)
# make sure self._outputSelectedPoints is up to date
self._syncOutputSelectedPoints()
self.slice3dVWR.render3D()
def _storePoint(self,
discrete,
world,
value,
pointName,
lockToSurface=False,
boundsForPoints=None):
tdren = self.slice3dVWR._threedRenderer
tdrwi = self.slice3dVWR.threedFrame.threedRWI
if not boundsForPoints:
bounds = tdren.ComputeVisiblePropBounds()
else:
bounds = boundsForPoints
if bounds[1] - bounds[0] <= 0 or \
bounds[3] - bounds[2] <= 0 or \
bounds[5] - bounds[4] <= 0:
bounds = (-1, 1, -1, 1, -1, 1)
# we use a pointwidget
pw = vtk.vtkPointWidget()
#pw.SetInput(inputData)
pw.PlaceWidget(bounds[0], bounds[1], bounds[2], bounds[3], bounds[4],
bounds[5])
pw.SetPosition(world)
# make priority higher than the default of vtk3DWidget so
# that imageplanes behind us don't get selected the whole time
pw.SetPriority(0.6)
pw.SetInteractor(tdrwi)
pw.AllOff()
pw.On()
#ss.SetRadius((bounds[1] - bounds[0]) / 100.0)
ca = vtk.vtkCaptionActor2D()
ca.GetProperty().SetColor(1, 1, 0)
tp = ca.GetCaptionTextProperty()
tp.SetColor(1, 1, 0)
tp.ShadowOff()
ca.SetPickable(0)
ca.SetAttachmentPoint(world)
ca.SetPosition(25, 10)
ca.BorderOff()
ca.SetWidth(0.3)
ca.SetHeight(0.04)
# I used to have the problem on my ATI X1600 that interaction
# was extremely slow of 3D was on... problem seems to have
# gone away by itself, or it rather has to do with the slow-
# glcontext-things
ca.ThreeDimensionalLeaderOn()
ca.SetMaximumLeaderGlyphSize(10)
ca.SetLeaderGlyphSize(0.025)
coneSource = vtk.vtkConeSource()
coneSource.SetResolution(6)
# we want the cone's very tip to by at 0,0,0
coneSource.SetCenter(-coneSource.GetHeight() / 2.0, 0, 0)
ca.SetLeaderGlyph(coneSource.GetOutput())
if len(pointName) > 0:
ca.SetCaption(pointName)
else:
ca.SetCaption(".")
# since VTK 20070628, caption actor doesn't like an empty label
tdren.AddActor(ca)
def pw_ei_cb(pw, evt_name):
# make sure our output is good
self._syncOutputSelectedPoints()
pw.AddObserver('StartInteractionEvent',
lambda pw, evt_name, s=self: s.
_observerPointWidgetInteraction(pw, evt_name))
pw.AddObserver('InteractionEvent',
lambda pw, evt_name, s=self: s.
_observerPointWidgetInteraction(pw, evt_name))
pw.AddObserver('EndInteractionEvent', pw_ei_cb)
# we start with it disabled
pw.Off()
# store the cursor (discrete coords) the coords and the actor
self._pointsList.append({
'discrete': tuple(discrete),
'world': tuple(world),
'value': value,
'name': pointName,
'pointWidget': pw,
'lockToSurface': lockToSurface,
'sphereActor': ca
})
self._grid.AppendRows()
#self._grid.AdjustScrollBars()
row = self._grid.GetNumberRows() - 1
self._syncGridRowToSelPoints(row)
# make sure self._outputSelectedPoints is up to date
self._syncOutputSelectedPoints()
self.slice3dVWR.render3D()