You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
1.7 KiB
69 lines
1.7 KiB
2 years ago
|
package require vtk
|
||
|
|
package require vtkinteraction
|
||
|
|
|
||
|
|
# Quadric definition
|
||
|
|
vtkQuadric quadric
|
||
|
|
quadric SetCoefficients .5 1 .2 0 .1 0 0 .2 0 0
|
||
|
|
|
||
|
|
vtkSampleFunction sample
|
||
|
|
sample SetSampleDimensions 30 30 30
|
||
|
|
sample SetImplicitFunction quadric
|
||
|
|
sample Update
|
||
|
|
#sample Print
|
||
|
|
sample ComputeNormalsOff
|
||
|
|
|
||
|
|
# Extract cells that contains isosurface of interest
|
||
|
|
vtkConnectivityFilter conn
|
||
|
|
conn SetInputConnection [sample GetOutputPort]
|
||
|
|
conn ScalarConnectivityOn
|
||
|
|
conn SetScalarRange 0.6 0.6
|
||
|
|
conn SetExtractionModeToCellSeededRegions
|
||
|
|
conn AddSeed 105
|
||
|
|
|
||
|
|
# Create a surface
|
||
|
|
vtkContourFilter contours
|
||
|
|
contours SetInputConnection [conn GetOutputPort]
|
||
|
|
# contours SetInputConnection [sample GetOutputPort]
|
||
|
|
contours GenerateValues 5 0.0 1.2
|
||
|
|
|
||
|
|
vtkDataSetMapper contMapper
|
||
|
|
# contMapper SetInputConnection [contours GetOutputPort]
|
||
|
|
contMapper SetInputConnection [conn GetOutputPort]
|
||
|
|
contMapper SetScalarRange 0.0 1.2
|
||
|
|
|
||
|
|
vtkActor contActor
|
||
|
|
contActor SetMapper contMapper
|
||
|
|
|
||
|
|
# Create outline
|
||
|
|
vtkOutlineFilter outline
|
||
|
|
outline SetInputConnection [sample GetOutputPort]
|
||
|
|
|
||
|
|
vtkPolyDataMapper outlineMapper
|
||
|
|
outlineMapper SetInputConnection [outline GetOutputPort]
|
||
|
|
|
||
|
|
vtkActor outlineActor
|
||
|
|
outlineActor SetMapper outlineMapper
|
||
|
|
eval [outlineActor GetProperty] SetColor 0 0 0
|
||
|
|
|
||
|
|
# Graphics
|
||
|
|
# create a window to render into
|
||
|
|
vtkRenderer ren1
|
||
|
|
vtkRenderWindow renWin
|
||
|
|
renWin AddRenderer ren1
|
||
|
|
|
||
|
|
# create a renderer
|
||
|
|
|
||
|
|
# interactiver renderer catches mouse events (optional)
|
||
|
|
vtkRenderWindowInteractor iren
|
||
|
|
iren SetRenderWindow renWin
|
||
|
|
|
||
|
|
ren1 SetBackground 1 1 1
|
||
|
|
ren1 AddActor contActor
|
||
|
|
ren1 AddActor outlineActor
|
||
|
|
ren1 ResetCamera
|
||
|
|
[ren1 GetActiveCamera] Zoom 1.4
|
||
|
|
iren AddObserver UserEvent {wm deiconify .vtkInteract}
|
||
|
|
iren Initialize
|
||
|
|
|
||
|
|
wm withdraw .
|