def UpdateVisibility(self, visible):
actors = []
actors.extend(DataStore.Markers())
actors.extend(DataStore.BacteriaActors())
for actor in actors:
actor.SetVisibility(boolInt(visible))
self.renwin_update_callback()
def CreateMarker(self, loc, radius=None, color=None):
"""
:@type loc: Vec3f
:@param loc: The 3D location of the marker.
"""
if radius is None:
radius = self.actor_radius
if color is None:
color = self.markerColor
sphere = vtk.vtkSphereSource()
sphere.SetCenter(loc.x, loc.y, loc.z)
sphere.SetRadius(radius)
sphere.SetPhiResolution(20)
sphere.SetThetaResolution(20)
sphereMapper = vtk.vtkPolyDataMapper()
sphereMapper.SetInput(sphere.GetOutput())
sphereActor = vtk.vtkActor()
sphereActor.SetMapper(sphereMapper)
sphereActor.GetProperty().SetDiffuseColor(color.r, color.g, color.b)
sphereActor.SetVisibility(boolInt(self.visible))
return sphereActor
def Render(self, volumeReader):
"""
This method attempts to tesselate the image data.
:@type volumeReader: data.imageIO.base.VolumeImageReader
:@param volumeReader: This object handles opening image data and
passing it to the appropriate VTK image container
:@rtype: 2-tuple
:@return: The vtkActor created from tesselated image data and a
vtkLocator for improving picking operations.
"""
if self.imageSetID is None: return
self.volumeReader = volumeReader
self.vtkReader = volumeReader.LoadVTKReader(self.dataSpacing)
# Gaussian Smoothing
self.gaussFilter = vtk.vtkImageGaussianSmooth()
self.gaussFilter.SetDimensionality(3)
self.gaussFilter.SetStandardDeviation(1)
self.gaussFilter.SetRadiusFactors(1, 1, 1)
self.gaussFilter.SetInput(self.vtkReader.GetOutput())
# VOI Extractor
self.voi = vtk.vtkExtractVOI()
self.voi.SetInputConnection(self.gaussFilter.GetOutputPort())
# self.voi.SetInputConnection(self.vtkReader.GetOutputPort())
self.voi.SetVOI(self.volumeReader.VolumeExtents)
# Surface rendering
self.bactExtractor = vtk.vtkMarchingCubes()
self.bactExtractor.GenerateValues(1, self.isocontourLevel)
self.bactExtractor.ComputeNormalsOff()
self.bactExtractor.SetInputConnection(self.voi.GetOutputPort())
# surface rendering with dividing cubes
# self.bactExtractor = vtk.vtkRecursiveDividingCubes()
# self.bactExtractor.SetInputConnection(self.voi.GetOutputPort())
# self.bactExtractor.SetValue(self.isocontourLevel[0])
# self.bactExtractor.SetDistance(0.5)
# self.bactExtractor.SetIncrement(2)
# Smooth the mesh
relaxedMesh = vtk.vtkSmoothPolyDataFilter()
relaxedMesh.SetNumberOfIterations(50)
relaxedMesh.SetInput(self.bactExtractor.GetOutput())
# Calculate normals
meshNormals = vtk.vtkPolyDataNormals()
meshNormals.SetFeatureAngle(60.0)
meshNormals.SetInput(relaxedMesh.GetOutput())
# Restrip mesh after normal computation
restrippedMesh = vtk.vtkStripper()
restrippedMesh.SetInput(meshNormals.GetOutput())
# Convert mesh to graphics primitives
self.meshMapper = vtk.vtkPolyDataMapper()
self.meshMapper.ScalarVisibilityOff()
self.meshMapper.SetInput(restrippedMesh.GetOutput())
# Finally create a renderable object "Actor"
# that can be passed to the render window
self.ibcActor = vtk.vtkActor()
self.ibcActor.SetMapper(self.meshMapper)
ibcColor = DataStore.GetImageSet(self.imageSetID).color
self.ibcActor.GetProperty().SetDiffuseColor(ibcColor.r, ibcColor.g, ibcColor.b)
self.ibcActor.GetProperty().SetSpecular(.1)
self.ibcActor.GetProperty().SetSpecularPower(5)
self.ibcActor.GetProperty().SetOpacity(1)
self.ibcActor.SetVisibility(boolInt(self.visible))
self.renderer.AddActor(self.ibcActor)
# Optional Locator to help the ray traced picker
self.bactLocator = vtk.vtkCellLocator()
self.bactLocator.SetDataSet(restrippedMesh.GetOutput())
self.bactLocator.LazyEvaluationOn()
return self.bactLocator
def UpdateVisibility(self, visible):
self.visible = visible
self.ibcActor.SetVisibility(boolInt(visible))
self.renwin_update_callback()
def _pickerVisibility(self, visible):
self.redCone.SetVisibility(boolInt(visible))
self.greenCone.SetVisibility(boolInt(visible))