Python vtkOverlayPass Examples

Example #1

File: DisplayVTKPlant.py Project: saulzar/PlantSimV3

    def InitRenderPasses(self):
        """Initiate and add realism passes to renderer"""
        cameraP = vtk.vtkCameraPass()
        opaque = vtk.vtkOpaquePass()
        peeling = vtk.vtkDepthPeelingPass()
        peeling.SetMaximumNumberOfPeels(1000)
        peeling.SetOcclusionRatio(0.1)

        translucent = vtk.vtkTranslucentPass()
        peeling.SetTranslucentPass(translucent)

        volume = vtk.vtkVolumetricPass()
        overlay = vtk.vtkOverlayPass()

        lights = vtk.vtkLightsPass()
        opaqueSequence = vtk.vtkSequencePass()

        passes2 = vtk.vtkRenderPassCollection()
        passes2.AddItem(lights)
        passes2.AddItem(opaque)
        opaqueSequence.SetPasses(passes2)

        opaqueCameraPass = vtk.vtkCameraPass()
        opaqueCameraPass.SetDelegatePass(opaqueSequence)

        shadowsBaker = vtk.vtkShadowMapBakerPass()
        shadowsBaker.SetOpaqueSequence(opaqueCameraPass)
        shadowsBaker.SetResolution(SHADOW_RENDER_RES)

        shadows = vtk.vtkShadowMapPass()
        shadows.SetShadowMapBakerPass(shadowsBaker)
        shadows.SetOpaqueSequence(opaqueSequence)

        seq = vtk.vtkSequencePass()
        passes = vtk.vtkRenderPassCollection()
        passes.AddItem(shadowsBaker)
        passes.AddItem(shadows)
        passes.AddItem(lights)
        passes.AddItem(peeling)
        passes.AddItem(volume)
        passes.AddItem(overlay)
        seq.SetPasses(passes)
        cameraP.SetDelegatePass(seq)

        self.renderer.SetPass(cameraP)

Example #2

File: vtkCreateShadows.py Project: timeanddoctor/itk-python-example

cameraP = vtk.vtkCameraPass()
opaque = vtk.vtkOpaquePass()

peeling = vtk.vtkDepthPeelingPass()
peeling.SetMaximumNumberOfPeels(200)
peeling.SetOcclusionRatio(0.1)


translucent = vtk.vtkTranslucentPass()
peeling.SetTranslucentPass(translucent)


volume = vtk.vtkVolumetricPass()
overlay = vtk.vtkOverlayPass()
lights = vtk.vtkLightsPass()
opaqueSequence = vtk.vtkSequencePass()
pass2 = vtk.vtkRenderPassCollection()

pass2.AddItem(lights)
pass2.AddItem(opaque)
opaqueSequence.SetPasses(pass2)

opaqueCameraPass = vtk.vtkCameraPass()
opaqueCameraPass.SetDelegatePass(opaqueSequence)

shadowBaker = vtk.vtkShadowMapBakerPass()
shadowBaker.SetOpaquePass(opaqueCameraPass)
shadowBaker.SetResolution(1024)
# to cancel self->shadowing

Example #3

File: vtkCreateShadows.py Project: Beastmaster/itk-python-example

cameraP = vtk.vtkCameraPass()
opaque = vtk.vtkOpaquePass()

peeling = vtk.vtkDepthPeelingPass()
peeling.SetMaximumNumberOfPeels(200)
peeling.SetOcclusionRatio(0.1)


translucent = vtk.vtkTranslucentPass()
peeling.SetTranslucentPass(translucent)


volume = vtk.vtkVolumetricPass()
overlay = vtk.vtkOverlayPass()
lights = vtk.vtkLightsPass()
opaqueSequence = vtk.vtkSequencePass()
pass2 = vtk.vtkRenderPassCollection()

pass2.AddItem(lights)
pass2.AddItem(opaque)
opaqueSequence.SetPasses(pass2)

opaqueCameraPass = vtk.vtkCameraPass()
opaqueCameraPass.SetDelegatePass(opaqueSequence)

shadowBaker = vtk.vtkShadowMapBakerPass()
shadowBaker.SetOpaquePass(opaqueCameraPass)
shadowBaker.SetResolution(1024)
# to cancel self->shadowing

Example #4

File: fringe_projection.py Project: paulojamorim/fgrc-tools

    def __init__(self):
       
        self.renderer = vtk.vtkRenderer()
        self.renderer.GradientBackgroundOn()

        self.ren_win = ren_win = vtk.vtkRenderWindow()
        
        ren_win.SetSize(512,512) 
        ren_win.SetMultiSamples(0)
        ren_win.SetAlphaBitPlanes(1)
        ren_win.SetOffScreenRendering(1) #default 1

        iren = self.iren = vtk.vtkRenderWindowInteractor()
        iren.SetRenderWindow(ren_win)
        ren_win.AddRenderer(self.renderer)
       
        camera_pass = vtk.vtkCameraPass()
        opaque = vtk.vtkOpaquePass()

        peeling=vtk.vtkDepthPeelingPass()
        peeling.SetMaximumNumberOfPeels(200)
        peeling.SetOcclusionRatio(0.1)

        translucent=vtk.vtkTranslucentPass()
        peeling.SetTranslucentPass(translucent)

        volume=vtk.vtkVolumetricPass()
        overlay=vtk.vtkOverlayPass()
        lights=vtk.vtkLightsPass()
        opaque_sequence=vtk.vtkSequencePass()

        passes2=vtk.vtkRenderPassCollection()
        passes2.AddItem(lights)
        passes2.AddItem(opaque)

        opaque_sequence.SetPasses(passes2)
        opaque_camera_pass=vtk.vtkCameraPass()
        opaque_camera_pass.SetDelegatePass(opaque_sequence)

        shadows_baker=vtk.vtkShadowMapBakerPass()
        shadows_baker.SetOpaquePass(opaque_camera_pass)
        shadows_baker.SetResolution(1024)

        #To cancel self-shadowing.
        shadows_baker.SetPolygonOffsetFactor(3.1)
        shadows_baker.SetPolygonOffsetUnits(10.0)

        shadows=vtk.vtkShadowMapPass()
        shadows.SetShadowMapBakerPass(shadows_baker)
        shadows.SetOpaquePass(opaque_sequence)

        seq=vtk.vtkSequencePass()
        passes=vtk.vtkRenderPassCollection()
        passes.AddItem(shadows_baker)
        passes.AddItem(shadows)
        passes.AddItem(lights)
        passes.AddItem(peeling)
        passes.AddItem(volume)
        passes.AddItem(overlay)

        seq.SetPasses(passes)
        camera_pass.SetDelegatePass(seq)
        self.renderer.SetPass(camera_pass)