def start_pick(self):
#Required to change interactor
style=vtk.vtkInteractorStyleRubberBandPick()
self.iren.SetInteractorStyle(style)
picker = vtk.vtkAreaPicker()
self.iren.SetPicker(picker)
picker.AddObserver("EndPickEvent", self.picker_callback)
def create_cell_picker(self):
"""creates the vtk picker objects"""
self.cell_picker = vtk.vtkCellPicker()
self.node_picker = vtk.vtkPointPicker()
self.area_picker = vtk.vtkAreaPicker() # vtkRenderedAreaPicker?
self.rubber_band_style = vtk.vtkInteractorStyleRubberBandPick()
#vtk.vtkInteractorStyleRubberBand2D
#vtk.vtkInteractorStyleRubberBand3D
#vtk.vtkInteractorStyleRubberBandZoom
#vtk.vtkInteractorStyleAreaSelectHover
#vtk.vtkInteractorStyleDrawPolygon
#vtk.vtkAngleWidget
#vtk.vtkAngleRepresentation2D
#vtk.vtkAngleRepresentation3D
#vtk.vtkAnnotation
#vtk.vtkArrowSource
#vtk.vtkGlyph2D
#vtk.vtkGlyph3D
#vtk.vtkHedgeHog
#vtk.vtkLegendBoxActor
#vtk.vtkLegendScaleActor
#vtk.vtkLabelPlacer
self.cell_picker.SetTolerance(0.001)
self.node_picker.SetTolerance(0.001)
def start_pick(self):
#Required to change interactor
style = vtk.vtkInteractorStyleRubberBandPick()
self.iren.SetInteractorStyle(style)
picker = vtk.vtkAreaPicker()
self.iren.SetPicker(picker)
picker.AddObserver("EndPickEvent", self.picker_callback)
def start_pick(self):
style = vtk.vtkInteractorStyleRubberBandPick()
self.iren.SetInteractorStyle(style)
picker = vtk.vtkAreaPicker()
self.iren.SetPicker(picker)
picker.AddObserver("EndPickEvent", self.picker_callback)
self.ui.vtkWidget.setFocus()
def main():
pointSource = vtk.vtkPointSource()
pointSource.SetNumberOfPoints(20)
pointSource.Update()
idFilter = vtk.vtkIdFilter()
idFilter.SetInputConnection(pointSource.GetOutputPort())
idFilter.SetIdsArrayName("OriginalIds")
idFilter.Update()
surfaceFilter = vtk.vtkDataSetSurfaceFilter()
surfaceFilter.SetInputConnection(idFilter.GetOutputPort())
surfaceFilter.Update()
poly_input = surfaceFilter.GetOutput()
# Create a mapper and actor
mapper = vtk.vtkPolyDataMapper()
if vtk.VTK_MAJOR_VERSION <= 5:
mapper.SetInputConnection(poly_input.GetProducerPort())
else:
mapper.SetInputData(poly_input)
mapper.ScalarVisibilityOff()
actor = vtk.vtkActor()
actor.SetMapper(mapper)
# Visualize
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
areaPicker = vtk.vtkAreaPicker()
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetPicker(areaPicker)
renderWindowInteractor.SetRenderWindow(renderWindow)
renderer.AddActor(actor)
#renderer.SetBackground(1,1,1) # Background color white
renderWindow.Render()
style = vtk.vtkRenderWindowInteractor()
#style = myInteractorStyle()
#style = InteractorStyle()
#style = QVTKRenderWindowInteractor()
#style.SetPoints(poly_input)
renderWindowInteractor.SetInteractorStyle(style)
renderWindowInteractor.Start()
def pickActors(self):
renderer = self.GetDefaultRenderer() or self.GetCurrentRenderer()
if renderer is None:
return
self.lowlight(self.getSelectedActors())
x1, y1 = self.clickPosition
x2, y2 = self.mousePosition
tolerance = 5
tooSmall = (abs(x1-x2) < tolerance) or (abs(y1-y2) < tolerance)
pickedActors = set()
if tooSmall:
picker = vtk.vtkPropPicker()
picker.Pick(x2, y2, 0, renderer)
actor = picker.GetActor()
if actor:
pickedActors.add(actor)
else:
picker = vtk.vtkAreaPicker()
picker.AreaPick(x1, y1, x2, y2, renderer)
actors = set(picker.GetProp3Ds())
pickedActors.update(actors)
controlPressed = self.GetInteractor().GetControlKey()
shiftPressed = self.GetInteractor().GetShiftKey()
altPressed = self.__altKeyClicked
if self.checkPoints(pickedActors) or self.checkElements(pickedActors):
self.pickActors()
return
if controlPressed or shiftPressed:
self.__selectedActors |= pickedActors
elif altPressed:
self.__selectedActors -= pickedActors
else:
self.__selectedActors = pickedActors
self.highlight(self.getSelectedActors())
function, args, kwargs = self.__callOnSelection
if function is not None:
actors = self.getSelectedActors()
function(actors, *args, **kwargs)
self.__renderer.updateInfoText()
self.__renderer.update()
def vertex_select(self):
if self.ui.choose_vertex_button.isChecked():
self.vertex_actor.SetVisibility(True)
self.iren.SetInteractorStyle(vtk.vtkInteractorStyleRubberBandPick())
picker = vtk.vtkAreaPicker()
self.iren.SetPicker(picker)
picker.AddObserver("EndPickEvent", self.picker_callback)
self.ui.trans_origin_button.setEnabled(False)
self.ui.vtkWidget.setFocus()
self.ui.vtkWidget.update()
else:
self.ui.trans_origin_button.setEnabled(False)
self.vertex_actor.SetVisibility(False)
self.ui.trans_origin_button.setEnabled(True)
self.iren.SetInteractorStyle(vtk.vtkInteractorStyleTrackballCamera())
self.transform_origin()
self.ui.vtkWidget.update()
def OnLeftButtonUp(self):
# Forward events
vtkInteractorStyleRubberBandPick.OnLeftButtonUp()
frustum = vtk.vtkAreaPicker(
self.GetInteractor().GetPicker()).GetFrustum()
extract_geometry = vtk.vtkExtractGeometry()
extract_geometry.SetImplicitFunction(frustum)
if vtk.VTK_MAJOR_VERSION <= 5:
extract_geometry.SetInput(self.Points)
else:
extract_geometry.SetInputData(self.Points)
extract_geometry.Update()
glyph_filter = vtk.vtkVertexGlyphFilter()
glyph_filter.SetInputConnection(extract_geometry.GetOutputPort())
glyph_filter.Update()
selected = glyph_filter.GetOutput()
print("Selected %s points" % selected.GetNumberOfPoints())
print("Selected %s cells" % selected.GetNumberOfCells())
if vtk.VTK_MAJOR_VERSION <= 5:
self.SelectedMapper.SetInput(selected)
else:
self.SelectedMapper.SetInputData(selected)
self.SelectedMapper.ScalarVisibilityOff()
ids = vtkIdTypeArray.SafeDownCast(
selected.GetPointData().GetArray("OriginalIds"))
for i in range(ids.GetNumberOfTuples()):
print("Id %s : %s" % (i, ids.GetValue(i)))
self.SelectedActor.GetProperty().SetColor(1.0, 0.0, 0.0) #(R,G,B)
self.SelectedActor.GetProperty().SetPointSize(3)
self.CurrentRenderer.AddActor(selected_actor)
self.GetInteractor().GetRenderWindow().Render()
def leftButtonReleaseEvent(self,obj,event):
p0 = self.GetStartPosition()
p1 = self.GetEndPosition()
picker = vtk.vtkAreaPicker()
picker.AreaPick(p0[0], p0[1], p1[0], p1[1], self.GetDefaultRenderer())
at = self.davtk_state.cur_at()
actors = picker.GetProp3Ds()
points = []
# find selected points
for actor in actors:
if not hasattr(actor, "point_to_input_point"):
points.append([None])
continue
frustum = picker.GetFrustum()
geom = vtk.vtkExtractGeometry()
geom.SetImplicitFunction(frustum)
geom.SetInputData(actor.GetMapper().GetInput())
geom.Update()
IDs = geom.GetOutputDataObject(0).GetPointData().GetArray("IDs")
points.append([])
for ID_i in range(IDs.GetNumberOfTuples()):
points[-1].append(int(IDs.GetTuple(ID_i)[0]/actor.point_to_input_point))
points[-1] = set(points[-1])
pick_actors(self.davtk_state.cur_at(), actors, points)
self.davtk_state.update()
self.OnLeftButtonUp()
if self.prev_style is None:
raise ValueError("leftButtonReleaseEvent prev_style not set")
self.GetInteractor().SetInteractorStyle(self.prev_style)
self.prev_style.GetInteractor().Render()
self.prev_Style = None
return
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.setStyleSheet('background-color:#333333')
self.vtk_layout = QtGui.QGridLayout(self)
self.vtk_widget = QVTKRenderWindowInteractor(self)
self.vtk_layout.addWidget(self.vtk_widget)
self.ren = vtk.vtkRenderer()
self.vtk_widget.GetRenderWindow().AddRenderer(self.ren)
self.meshMapper = vtk.vtkPolyDataMapper()
self.meshActor = vtk.vtkActor()
self.meshActor.SetMapper(self.meshMapper)
self.ren.AddActor(self.meshActor)
self.interactionStyle = RubberBandFacePicker()
self.interactionStyle.SetDefaultRenderer(self.ren)
self.vtk_widget.SetInteractorStyle(self.interactionStyle)
self.vtk_widget.SetPicker(vtk.vtkAreaPicker())
self.iren = self.vtk_widget.GetRenderWindow().GetInteractor()
self.show()
self.iren.Initialize()
# name2actor map for calls to display_XXXX
self.name2actor = {}
def OnLeftButtonUp(self):
# Forward events
vtkInteractorStyleRubberBandPick.OnLeftButtonUp()
frustum = vtk.vtkAreaPicker(self.GetInteractor().GetPicker()).GetFrustum()
extractGeometry = vtk.vtkExtractGeometry.New()
extractGeometry.SetImplicitFunction(frustum)
if VTK_MAJOR_VERSION <= 5:
extractGeometry.SetInput(this.Points)
else:
extractGeometry.SetInputData(this.Points)
extractGeometry.Update()
glyphFilter = vtk.vtkVertexGlyphFilter()
glyphFilter.SetInputConnection(extractGeometry.GetOutputPort())
glyphFilter.Update()
selected = glyphFilter.GetOutput()
print("Selected %s points" % selected.GetNumberOfPoints())
print("Selected %s cells" % selected.GetNumberOfCells())
if vtk.VTK_MAJOR_VERSION <= 5:
self.SelectedMapper.SetInput(selected)
else:
self.SelectedMapper.SetInputData(selected)
self.SelectedMapper.ScalarVisibilityOff()
ids = vtkIdTypeArray.SafeDownCast(selected.GetPointData().GetArray("OriginalIds"))
for i in range(ids.GetNumberOfTuples()):
print("Id %s : %s" % (i, ids.GetValue(i)))
self.SelectedActor.GetProperty().SetColor(1.0, 0.0, 0.0) #(R,G,B)
self.SelectedActor.GetProperty().SetPointSize(3)
self.CurrentRenderer.AddActor(SelectedActor)
self.GetInteractor().GetRenderWindow().Render()
def rightButtonReleaseEvent(self, obj, event):
if not self.allowedPicker():
return
if self.posA is None:
return
self.posB = self.GetInteractor().GetEventPosition()
#if you already have picked any actor, restore before state
for i in range(len(self.lastSelectedEntitiesProperty)):
self.lastSelectedActors[i].GetProperty().DeepCopy(
self.lastSelectedEntitiesProperty[i])
self.lastSelectedActors.clear()
self.lastSelectedEntitiesProperty.clear()
self.listSelectedEntities.clear()
picker = vtk.vtkAreaPicker()
picker.AreaPick(self.posA[0], self.posA[1], self.posB[0], self.posB[1],
self.GetDefaultRenderer())
pickedActors = picker.GetProp3Ds()
for actor in pickedActors:
if self.renderer.actors[actor] == -1:
continue
current_actor_property = vtk.vtkProperty()
current_actor_property.DeepCopy(actor.GetProperty())
self.lastSelectedEntitiesProperty.append(current_actor_property)
actor.GetProperty().SetColor(colors.GetColor3d('Red'))
actor.GetProperty().SetDiffuse(1.0)
actor.GetProperty().SetSpecular(0.0)
self.lastSelectedActors.append(actor)
self.listSelectedEntities.append(self.renderer.actors[actor])
self.renderer.updateInfoText()
self.renderer.updateAreaPicker((0, 0), (0, 0))
self.posA = None
self.renderer.update()
def pickElements(self, x0, y0, x1, y1, tolerance=10):
tooSmall = (abs(x0-x1) < tolerance) or (abs(y0-y1) < tolerance)
if tooSmall:
x0, x1 = (x0-tolerance//2), (x1+tolerance//2)
y0, y1 = (y0-tolerance//2), (y1+tolerance//2)
picker = vtk.vtkAreaPicker()
extractor = vtk.vtkExtractSelectedFrustum()
renderer = self.__rendererMesh._renderer
picker.AreaPick(x0,y0,x1,y1,renderer)
extractor.SetFrustum(picker.GetFrustum())
elementsBounds = self.__rendererMesh.elementsBounds
camPos = renderer.GetActiveCamera().GetPosition()
distanceFromCamera = lambda key: distanceBoundsToPoint(camPos, elementsBounds[key])
pickedElements = {key for key, bound in elementsBounds.items() if extractor.OverallBoundsTest(bound)}
# when not box selecting, pick only the closest element
if tooSmall and pickedElements:
closest = min(pickedElements, key=distanceFromCamera)
pickedElements.clear()
pickedElements.add(closest)
return pickedElements
def get_frustrum(self):
render = self._contour_representation.GetRenderer()
numberNodes = self._contour_representation.GetNumberOfNodes()
V = list()
for i in range(numberNodes):
v = np.array([0,0])
self._contour_representation.GetNthNodeDisplayPosition(i, v)
V.append(v)
xmin = np.min(np.array(V)[:,0])
ymin = np.min(np.array(V)[:,1])
xmax = np.max(np.array(V)[:,0])
ymax = np.max(np.array(V)[:,1])
p1 = np.array([xmin, ymax])
p2 = np.array([xmax, ymin])
picker = vtkAreaPicker()
picker.AreaPick( p1[0], p1[1], p2[0], p2[1], render)
planes = picker.GetFrustum()
return planes
if vtk.VTK_MAJOR_VERSION <= 5:
mapper.SetInputConnection(poly_input.GetProducerPort())
else:
mapper.SetInputData(poly_input)
mapper.ScalarVisibilityOff()
actor = vtk.vtkActor()
actor.SetMapper(mapper)
# Visualize
renderer = vtk.vtkRenderer()
render_window = vtk.vtkRenderWindow()
render_window.AddRenderer(renderer)
area_picker = vtk.vtkAreaPicker()
render_window_interactor = vtk.vtkRenderWindowInteractor()
render_window_interactor.SetPicker(area_picker)
render_window_interactor.SetRenderWindow(render_window)
renderer.AddActor(actor)
# renderer.SetBackground(1,1,1) # Background color white
render_window.Render()
style = vtk.vtkRenderWindowInteractor()
# style = myInteractorStyle()
# style = InteractorStyle()
# style = QVTKRenderWindowInteractor()
# style.SetPoints(poly_input)
render_window_interactor.SetInteractorStyle(style)
def SetPicker(self, picker=None):
if picker:
self.picker = picker
else:
self.picker = vtk.vtkAreaPicker()
def test_vtkInteractorStyleRubberBandPick():
ren = vtk.vtkRenderer()
ren.SetBackground(1.0, 1.0, 1.0)
V, T = box_model(5, 10, 1.0, 1.0)
poly_data = numpy_to_vtkPolyData(V, faces.faces_to_cell_array(T))
idFilter = vtk.vtkIdFilter()
idFilter.SetInput(poly_data)
idFilter.SetIdsArrayName('i')
idFilter.Update()
poly_data = idFilter.GetOutput()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(poly_data)
mapper.SetScalarVisibility(False)
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetColor(0.0, 0.6, 0.3)
ren.AddActor(actor)
visible = vtk.vtkSelectVisiblePoints()
visible.SetInput(poly_data)
visible.SetRenderer(ren)
# highlight
sphere = vtk.vtkSphereSource()
sphere.SetRadius(0.2)
highlight_poly_data = vtk.vtkPolyData()
highlight_glyph = vtk.vtkGlyph3D()
highlight_glyph.SetInput(highlight_poly_data)
highlight_glyph.SetSourceConnection(sphere.GetOutputPort())
highlight_mapper = vtk.vtkPolyDataMapper()
highlight_mapper.SetInputConnection(highlight_glyph.GetOutputPort())
highlight_actor = vtk.vtkActor()
highlight_actor.SetMapper(highlight_mapper)
highlight_actor.GetProperty().SetColor(1.0, 0.0, 0.0)
highlight_actor.VisibilityOff()
highlight_actor.PickableOff()
ren.AddActor(highlight_actor)
# render window
render_window = vtk.vtkRenderWindow()
render_window.AddRenderer(ren)
render_window.SetSize(400, 400)
picker = vtk.vtkAreaPicker()
def pickCallback(obj, event):
props = obj.GetProp3Ds()
if props.GetNumberOfItems() <= 0:
return
extract_geometry = vtk.vtkExtractGeometry()
extract_geometry.SetImplicitFunction(picker.GetFrustum())
extract_geometry.SetInput(props.GetLastProp3D().GetMapper().GetInput())
extract_geometry.Update()
unstructured_grid = extract_geometry.GetOutput()
if unstructured_grid.GetPoints().GetNumberOfPoints() <= 0:
return
visible.Update()
if visible.GetOutput().GetPoints().GetNumberOfPoints() <= 0:
return
i = np.intersect1d(
vtk_to_numpy(unstructured_grid.GetPointData().GetArray('i')),
vtk_to_numpy(visible.GetOutput().GetPointData().GetArray('i')))
if i.shape[0] <= 0:
return
vtk_points = vtk.vtkPoints()
vtk_points.SetNumberOfPoints(i.shape[0])
vtk_points_data = vtk_to_numpy(vtk_points.GetData())
vtk_points_data.flat = np.require(V[i], np.float32, 'C')
highlight_poly_data.SetPoints(vtk_points)
highlight_actor.VisibilityOn()
picker.AddObserver('EndPickEvent', pickCallback)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(render_window)
iren.SetPicker(picker)
ren.ResetCamera()
render_window.Render()
style = vtk.vtkInteractorStyleRubberBandPick()
style.SetCurrentRenderer(ren)
iren.SetInteractorStyle(style)
iren.Initialize()
iren.Start()
def _setup_pipeline(self):
ren = vtk.vtkRenderer()
ren.SetBackground(1.0, 1.0, 1.0)
color_points = vtk.vtkProgrammableFilter()
def callback_color_points():
input_ = color_points.GetInput()
output = color_points.GetOutput()
output.ShallowCopy(input_)
lookup = vtk.vtkFloatArray()
lookup.SetNumberOfValues(input_.GetNumberOfPoints())
npy_lookup = vtk_to_numpy(lookup)
npy_lookup.flat = self._k.astype(
np.float32) / (COLORMAP.shape[0] - 1)
output.GetPointData().SetScalars(lookup)
color_points.SetExecuteMethod(callback_color_points)
source = vtk.vtkCubeSource()
vertices_glyph = vtk.vtkGlyph3D()
vertices_glyph.SetInputConnection(color_points.GetOutputPort())
vertices_glyph.SetSourceConnection(source.GetOutputPort())
vertices_glyph.SetScaleModeToDataScalingOff()
vertices_glyph.SetColorModeToColorByScalar()
vertices_mapper = vtk.vtkPolyDataMapper()
vertices_mapper.SetInputConnection(vertices_glyph.GetOutputPort())
vertices_mapper.SetLookupTable(LUT)
vertices_actor = vtk.vtkActor()
vertices_actor.SetMapper(vertices_mapper)
vertices_actor.GetProperty().SetColor(*COLORMAP[0, :3])
vertices_actor.PickableOff()
vertices_actor.VisibilityOff()
ren.AddActor(vertices_actor)
color_faces = vtk.vtkProgrammableFilter()
def callback_color_faces():
input_ = color_faces.GetInput()
output = color_faces.GetOutput()
output.ShallowCopy(input_)
lookup = vtk.vtkFloatArray()
lookup.SetNumberOfValues(input_.GetNumberOfPolys())
npy_lookup = vtk_to_numpy(lookup)
labelled_T = self._k[self.T]
for i in xrange(input_.GetNumberOfPolys()):
l = np.argmax(np.bincount(labelled_T[i]))
npy_lookup[i] = float(l) / (COLORMAP.shape[0] - 1)
output.GetCellData().SetScalars(lookup)
color_faces.SetExecuteMethod(callback_color_faces)
model_mapper = vtk.vtkPolyDataMapper()
model_mapper.SetInputConnection(color_faces.GetOutputPort())
model_mapper.SetLookupTable(LUT)
model_actor = vtk.vtkActor()
model_actor.SetMapper(model_mapper)
model_actor.GetProperty().SetColor(*COLORMAP[0, :3])
model_actor.VisibilityOff()
ren.AddActor(model_actor)
render_window = vtk.vtkRenderWindow()
render_window.AddRenderer(ren)
render_window.SetSize(400, 400)
self.SetRenderWindow(render_window)
visible = vtk.vtkSelectVisiblePoints()
visible.SetRenderer(ren)
picker = vtk.vtkAreaPicker()
def callback_picker(obj, event):
props = obj.GetProp3Ds()
if props.GetNumberOfItems() <= 0:
return
extract_geometry = vtk.vtkExtractGeometry()
extract_geometry.SetImplicitFunction(picker.GetFrustum())
extract_geometry.SetInput(visible.GetInput())
extract_geometry.Update()
unstructured_grid = extract_geometry.GetOutput()
if unstructured_grid.GetPoints().GetNumberOfPoints() <= 0:
return
i = vtk_to_numpy(unstructured_grid.GetPointData().GetArray('i'))
if self.select_only_visible:
visible.Update()
if visible.GetOutput().GetPoints().GetNumberOfPoints() <= 0:
return
i = np.intersect1d(
i,
vtk_to_numpy(
visible.GetOutput().GetPointData().GetArray('i')))
if i.shape[0] <= 0:
return
self.set_labels(self.current_label, i)
picker.AddObserver('EndPickEvent', callback_picker)
iren = self.GetInteractor()
iren.SetRenderWindow(render_window)
iren.SetPicker(picker)
style = vtk.vtkInteractorStyleRubberBandPick()
style.SetCurrentRenderer(ren)
iren.SetInteractorStyle(style)
self.pipeline = locals()
self.setSizePolicy(QtGui.QSizePolicy.Expanding,
QtGui.QSizePolicy.Expanding)
if vtk.VTK_MAJOR_VERSION <= 5:
mapper.SetInputConnection(poly_input.GetProducerPort())
else:
mapper.SetInputData(poly_input)
mapper.ScalarVisibilityOff()
actor = vtk.vtkActor()
actor.SetMapper(mapper)
# Visualize
renderer = vtk.vtkRenderer()
render_window = vtk.vtkRenderWindow()
render_window.AddRenderer(renderer)
area_picker = vtk.vtkAreaPicker()
render_window_interactor = vtk.vtkRenderWindowInteractor()
render_window_interactor.SetPicker(area_picker)
render_window_interactor.SetRenderWindow(render_window)
renderer.AddActor(actor)
#renderer.SetBackground(1,1,1) # Background color white
render_window.Render()
style = vtk.vtkRenderWindowInteractor()
#style = myInteractorStyle()
#style = InteractorStyle()
#style = QVTKRenderWindowInteractor()
#style.SetPoints(poly_input)
render_window_interactor.SetInteractorStyle(style)
def __init__(self, filename, parent=None):
QtGui.QMainWindow.__init__(self, parent)
# Initiate the UI as defined by Qt Designer
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.poly_data = None
self.node_ids = None
self.element_ids = None
self.node_count = 0
self.read_data(filename)
self.ui.txt_msg.appendPlainText("Model Loaded.")
# initialize colors
self.eidcolor = (0, 0.5, 0.5)
self.edgecolor = (0, 0, 0)
self.bgcolor1 = (0, 0, 1)
self.bgcolor2 = (0.8, 0.8, 1)
self.perspective = 0
self.solid = 1
self.idFilter = vtk.vtkIdFilter()
self.idFilter.SetInputData(self.poly_data)
self.idFilter.SetIdsArrayName("OriginalIds")
self.idFilter.Update()
self.surfaceFilter = vtk.vtkDataSetSurfaceFilter()
self.surfaceFilter.SetInputConnection(self.idFilter.GetOutputPort())
self.surfaceFilter.Update()
self.input = self.surfaceFilter.GetOutput()
self.renderer = vtk.vtkRenderer()
#self.renderer2 = vtk_widget.vtkRenderer()
viewport = [0.0,0.0,0.15,0.15]
#self.renderer2.SetViewport(viewport)
#self.renderer2.Transparent()
self.renderWindowInteractor = QVTKRenderWindowInteractor(self.ui.frame)
self.renderWindowInteractor.GetRenderWindow().AddRenderer(self.renderer)
#self.renderWindowInteractor.GetRenderWindow().AddRenderer(self.renderer2)
self.renderWindowInteractor.GetRenderWindow().SetAlphaBitPlanes(1)
self.axes = CoordinateAxes(self.renderWindowInteractor)
self.ui.vl.addWidget(self.renderWindowInteractor)
self.iren = vtk.vtkRenderWindowInteractor()
self.iren = self.renderWindowInteractor.GetRenderWindow().GetInteractor()
self.mapper = vtk.vtkPolyDataMapper()
self.mapper.SetInputData(self.input)
self.mapper.ScalarVisibilityOff()
self.actor = vtk.vtkActor()
self.actor.SetMapper(self.mapper)
self.actor.GetProperty().SetPointSize(2)
self.actor.GetProperty().EdgeVisibilityOn()
self.actor.GetProperty().SetColor(self.eidcolor)
self.actor.GetProperty().SetEdgeColor(self.edgecolor)
self.camera = vtk.vtkCamera()
#self.camera2 = vtk_widget.vtkCamera()
# trial... add glyph
pd = vtk.vtkPolyData()
pts = vtk.vtkPoints()
scalars = vtk.vtkFloatArray()
vectors = vtk.vtkFloatArray()
vectors.SetNumberOfComponents(3)
pd.SetPoints(pts)
pd.GetPointData().SetScalars(scalars)
pd.GetPointData().SetVectors(vectors)
pts.InsertNextPoint(30, 30, 0.0)
scalars.InsertNextValue(1)
vectors.InsertNextTuple3(1, 1, 0.0)
# Create simple PolyData for glyph table
cs = vtk.vtkCubeSource()
cs.SetXLength(0.5)
cs.SetYLength(1)
cs.SetZLength(2)
# Set up the glyph filter
glyph = vtk.vtkGlyph3D()
#glyph.SetInputConnection(elev.GetOutputPort())
point_list = vtk.vtkPoints()
point_list.InsertNextPoint([30, 30, 0])
poly_data = vtk.vtkPolyData()
poly_data.SetPoints(point_list)
idFilter = vtk.vtkIdFilter()
idFilter.SetInputData(poly_data)
idFilter.SetIdsArrayName("OriginalIds")
idFilter.Update()
surfaceFilter = vtk.vtkDataSetSurfaceFilter()
surfaceFilter.SetInputConnection(idFilter.GetOutputPort())
surfaceFilter.Update()
# Here is where we build the glyph table
# that will be indexed into according to the IndexMode
glyph.SetSourceData(0,cs.GetOutput())
#glyph.SetInputConnection(surfaceFilter.GetOutputPort())
glyph.SetInputData(pd)
glyph.SetIndexModeToScalar()
glyph.SetRange(0, 1)
glyph.SetScaleModeToDataScalingOff()
glyph.OrientOn()
mapper3 = vtk.vtkPolyDataMapper()
mapper3.SetInputConnection(glyph.GetOutputPort())
mapper3.SetScalarModeToUsePointFieldData()
mapper3.SetColorModeToMapScalars()
mapper3.ScalarVisibilityOn()
mapper3.SetScalarRange(0, 1)
actor3 = vtk.vtkActor()
actor3.SetMapper(mapper3)
#actor3.GetProperty().SetBackgroundOpacity(0.5)
gs = vtk.vtkGlyphSource2D()
gs.SetGlyphTypeToCircle()
gs.SetScale(25)
gs.FilledOff()
#gs.CrossOn()
gs.Update()
# Create a table of glyphs
glypher = vtk.vtkGlyph2D()
glypher.SetInputData(pd)
glypher.SetSourceData(0, gs.GetOutput())
glypher.SetIndexModeToScalar()
glypher.SetRange(0, 1)
glypher.SetScaleModeToDataScalingOff()
mapper = vtk.vtkPolyDataMapper2D()
mapper.SetInputConnection(glypher.GetOutputPort())
mapper.SetScalarRange(0, 1)
actor2D = vtk.vtkActor2D()
actor2D.SetMapper(mapper)
self.renderer.AddActor(self.actor)
#self.renderer.AddActor(mapper)
#self.renderer2.AddActor(actor3)
self.renderer.SetBackground(self.bgcolor1)
self.renderer.SetBackground2(self.bgcolor2)
self.renderer.GradientBackgroundOn()
self.renderer.SetActiveCamera(self.camera)
self.renderer.ResetCamera()
#self.camera.ZoomOff()
#self.renderer2.SetActiveCamera(self.camera)
#self.renderer2.ResetCamera()
#self.renderer2.SetBackground(0,0,0)
#self.renderer2.GetProperty().SetBackgroundOpacity(0.5)
#self.renderer2.SetLayer(1)
#self.renderer2.Clear()
self.areaPicker = vtk.vtkAreaPicker()
self.renderWindowInteractor.SetPicker(self.areaPicker)
self.style = MyInteractorStyle()
self.style.SetPoints(self.input)
self.style.SetDefaultRenderer(self.renderer)
self.style.Data = self.idFilter.GetOutput()
self.style.camera = self.camera
self.style.node_ids = self.node_ids
self.style.element_ids = self.element_ids
self.style.node_count = self.node_count
self.style.window = self
self.style.print_message = self.ui.txt_msg.appendPlainText
self.renderWindowInteractor.SetInteractorStyle(self.style)
self.renderWindowInteractor.Start()
# screenshot code:e
#self.w2if = vtk_widget.vtkWindowToImageFilter()
#self.w2if.SetInput(self.renWin)
#self.w2if.Update()
self.show()
self.iren.Initialize()
#self.iren.Start()
# Setup Connections
self.ui.btn_bgcolor1.clicked.connect(self.on_color1)
self.ui.btn_bgcolor2.clicked.connect(self.on_color2)
self.ui.btn_edgecolor.clicked.connect(self.on_edgecolor)
self.ui.btn_elementcolor.clicked.connect(self.on_elementcolor)
self.ui.btn_nofillededge.clicked.connect(self.on_nofillededge)
self.ui.btn_switch.clicked.connect(self.on_switch)
self.ui.btn_perspectivetoggle.clicked.connect(self.on_toggleperspective)
self.ui.btn_saveimg.clicked.connect(self.on_saveimg)
self.ui.btn_togglewire.clicked.connect(self.on_togglewire)
# Setup a shortcuts
self.setusrstyle = QtGui.QShortcut(self)
self.setusrstyle.setKey(("CTRL+c"))
self.setusrstyle.activated.connect(self.on_copyimg)