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.
113 lines
2.6 KiB
113 lines
2.6 KiB
2 years ago
|
package require vtk
|
||
|
|
package require vtkinteraction
|
||
|
|
|
||
|
|
# create points in the configuration of an octant with one 2:1 face
|
||
|
|
#
|
||
|
|
vtkPoints points
|
||
|
|
vtkConvexPointSet aConvex
|
||
|
|
points InsertPoint 0 0 0 0
|
||
|
|
points InsertPoint 1 1 0 0
|
||
|
|
points InsertPoint 2 1 1 0
|
||
|
|
points InsertPoint 3 0 1 0
|
||
|
|
points InsertPoint 4 0 0 1
|
||
|
|
points InsertPoint 5 1 0 1
|
||
|
|
points InsertPoint 6 1 1 1
|
||
|
|
points InsertPoint 7 0 1 1
|
||
|
|
points InsertPoint 8 0.5 0 0
|
||
|
|
points InsertPoint 9 1 0.5 0
|
||
|
|
points InsertPoint 10 0.5 1 0
|
||
|
|
points InsertPoint 11 0 0.5 0
|
||
|
|
points InsertPoint 12 0.5 0.5 0
|
||
|
|
for {set i 0} {$i<13} {incr i 1} {
|
||
|
|
[aConvex GetPointIds] InsertId $i $i
|
||
|
|
}
|
||
|
|
|
||
|
|
vtkUnstructuredGrid aConvexGrid
|
||
|
|
aConvexGrid Allocate 1 1
|
||
|
|
aConvexGrid InsertNextCell [aConvex GetCellType] [aConvex GetPointIds]
|
||
|
|
aConvexGrid SetPoints points
|
||
|
|
|
||
|
|
# Display the cell
|
||
|
|
vtkDataSetMapper dsm
|
||
|
|
dsm SetInput aConvexGrid
|
||
|
|
vtkActor a
|
||
|
|
a SetMapper dsm
|
||
|
|
eval [a GetProperty] SetColor 0 1 0
|
||
|
|
|
||
|
|
# Contour and clip the cell with elevation scalars
|
||
|
|
vtkElevationFilter ele
|
||
|
|
ele SetInput aConvexGrid
|
||
|
|
ele SetLowPoint -1 -1 -1
|
||
|
|
ele SetHighPoint 1 1 1
|
||
|
|
ele SetScalarRange -1 1
|
||
|
|
|
||
|
|
# Clip
|
||
|
|
#
|
||
|
|
vtkClipDataSet clip
|
||
|
|
clip SetInputConnection [ele GetOutputPort]
|
||
|
|
clip SetValue 0.5
|
||
|
|
vtkDataSetSurfaceFilter g
|
||
|
|
g SetInputConnection [clip GetOutputPort]
|
||
|
|
vtkPolyDataMapper map
|
||
|
|
map SetInputConnection [g GetOutputPort]
|
||
|
|
map ScalarVisibilityOff
|
||
|
|
vtkActor clipActor
|
||
|
|
clipActor SetMapper map
|
||
|
|
[clipActor GetProperty] SetColor 1 0 0
|
||
|
|
clipActor AddPosition 2 0 0
|
||
|
|
|
||
|
|
# Contour
|
||
|
|
#
|
||
|
|
vtkContourFilter contour
|
||
|
|
contour SetInputConnection [ele GetOutputPort]
|
||
|
|
contour SetValue 0 0.5
|
||
|
|
vtkDataSetSurfaceFilter g2
|
||
|
|
g2 SetInputConnection [contour GetOutputPort]
|
||
|
|
vtkPolyDataMapper map2
|
||
|
|
map2 SetInputConnection [g2 GetOutputPort]
|
||
|
|
map2 ScalarVisibilityOff
|
||
|
|
vtkActor contourActor
|
||
|
|
contourActor SetMapper map2
|
||
|
|
[contourActor GetProperty] SetColor 1 0 0
|
||
|
|
contourActor AddPosition 1 2 0
|
||
|
|
|
||
|
|
# Create graphics stuff
|
||
|
|
#
|
||
|
|
vtkRenderer ren1
|
||
|
|
vtkRenderWindow renWin
|
||
|
|
renWin AddRenderer ren1
|
||
|
|
vtkRenderWindowInteractor iren
|
||
|
|
iren SetRenderWindow renWin
|
||
|
|
|
||
|
|
# Add the actors to the renderer, set the background and size
|
||
|
|
#
|
||
|
|
ren1 AddActor a
|
||
|
|
ren1 AddActor clipActor
|
||
|
|
ren1 AddActor contourActor
|
||
|
|
|
||
|
|
ren1 SetBackground 1 1 1
|
||
|
|
renWin SetSize 250 150
|
||
|
|
|
||
|
|
vtkCamera aCam
|
||
|
|
aCam SetFocalPoint 1.38705 1.37031 0.639901
|
||
|
|
aCam SetPosition 1.89458 -5.07106 -4.17439
|
||
|
|
aCam SetViewUp 0.00355726 0.598843 -0.800858
|
||
|
|
aCam SetClippingRange 4.82121 12.1805
|
||
|
|
ren1 SetActiveCamera aCam
|
||
|
|
|
||
|
|
renWin Render
|
||
|
|
|
||
|
|
set cam1 [ren1 GetActiveCamera]
|
||
|
|
$cam1 Zoom 1.5
|
||
|
|
|
||
|
|
# render the image
|
||
|
|
#
|
||
|
|
iren AddObserver UserEvent {wm deiconify .vtkInteract}
|
||
|
|
renWin Render
|
||
|
|
|
||
|
|
# prevent the tk window from showing up then start the event loop
|
||
|
|
wm withdraw .
|
||
|
|
|
||
|
|
|
||
|
|
|