def test_laplace(aorta_surface, compare_surfaces):
name = __name__ + '_test_laplace.vtp'
smoother = smoothing.vmtkSurfaceSmoothing()
smoother.Surface = aorta_surface
smoother.Method = 'laplace'
smoother.Execute()
assert compare_surfaces(smoother.Surface, name) == True
def test_laplace(aorta_surface, compare_surfaces):
name = __name__ + '_test_laplace.vtp'
smoother = smoothing.vmtkSurfaceSmoothing()
smoother.Surface = aorta_surface
smoother.Method = 'laplace'
smoother.Execute()
assert compare_surfaces(smoother.Surface, name) == True
def test_laplace_change_relaxation(aorta_surface, compare_surfaces):
name = __name__ + '_test_laplace_change_relaxation.vtp'
smoother = smoothing.vmtkSurfaceSmoothing()
smoother.Surface = aorta_surface
smoother.Method = 'laplace'
smoother.RelaxationFactor = 0.05
smoother.Execute()
assert compare_surfaces(smoother.Surface, name) == True
def test_taubin_change_passband(aorta_surface, compare_surfaces):
name = __name__ + '_test_taubin_change_passband.vtp'
smoother = smoothing.vmtkSurfaceSmoothing()
smoother.Surface = aorta_surface
smoother.Method = 'taubin'
smoother.PassBand = 1.5
smoother.Execute()
assert compare_surfaces(smoother.Surface, name) == True
def test_laplace_change_relaxation(aorta_surface, compare_surfaces):
name = __name__ + '_test_laplace_change_relaxation.vtp'
smoother = smoothing.vmtkSurfaceSmoothing()
smoother.Surface = aorta_surface
smoother.Method = 'laplace'
smoother.RelaxationFactor = 0.05
smoother.Execute()
assert compare_surfaces(smoother.Surface, name) == True
def test_taubin_change_passband(aorta_surface, compare_surfaces):
name = __name__ + '_test_taubin_change_passband.vtp'
smoother = smoothing.vmtkSurfaceSmoothing()
smoother.Surface = aorta_surface
smoother.Method = 'taubin'
smoother.PassBand = 1.5
smoother.Execute()
assert compare_surfaces(smoother.Surface, name) == True
def surface_smooth():
'''
网格表面的平滑
'''
input_file = 'id2_model.vtp'
output_file = 'id2_mode_sm_laplace.vtp'
surfacereader = sr.vmtkSurfaceReader()
surfacereader.InputFileName = input_file
surfacereader.Execute()
# 没有平滑的网格表面
originsurface_mapper = vtk.vtkPolyDataMapper()
originsurface_mapper.SetInputData(surfacereader.Surface)
originsurface_actor = vtk.vtkActor()
originsurface_actor.SetMapper(originsurface_mapper)
color = [0, 1, 0]
originsurface_actor.GetProperty().SetColor(color)
originsurface_actor.GetProperty().SetOpacity(0.8)
surfacesmooth = ss.vmtkSurfaceSmoothing()
surfacesmooth.Surface = surfacereader.Surface
surfacesmooth.NumberOfIterations = 30
surfacesmooth.PassBand = 1.0
surfacesmooth.RelaxationFactor = 0.01
surfacesmooth.BoundarySmoothing = 1
surfacesmooth.NormalizeCoordinates = 1
surfacesmooth.Method = "laplace" # ["taubin","laplace"]
surfacesmooth.Execute()
renderer = rd.vmtkRenderer()
renderer.Initialize()
renderer.Renderer.AddActor(originsurface_actor)
surface_viewer = sv.vmtkSurfaceViewer()
surface_viewer.vmtkRenderer = renderer
surface_viewer.Surface = surfacesmooth.Surface
surface_viewer.Display = 1
surface_viewer.Color = [1.0, 0, 0]
surface_viewer.ColorMap = "cooltowarm"
surface_viewer.Execute()
surface_writer = sw.vmtkSurfaceWriter()
surface_writer.OutputFileName = output_file
surface_writer.Surface = surfacesmooth.Surface
surface_writer.Execute()