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.
72 lines
1.9 KiB
72 lines
1.9 KiB
package require vtk
|
|
package require vtkinteraction
|
|
|
|
# Create the RenderWindow, Renderer and both Actors
|
|
#
|
|
vtkRenderer ren1
|
|
vtkRenderWindow renWin
|
|
renWin AddRenderer ren1
|
|
vtkRenderWindowInteractor iren
|
|
iren SetRenderWindow renWin
|
|
|
|
# avoid the singularity at the Z axis using 0.0001 radian offset
|
|
vtkPlaneSource plane
|
|
plane SetOrigin 1.0 [expr 3.14159265359 - 0.0001] 0.0
|
|
plane SetPoint1 1.0 [expr 3.14159265359 - 0.0001] 6.28318530719
|
|
plane SetPoint2 1.0 0.0001 0.0
|
|
plane SetXResolution 19
|
|
plane SetYResolution 9
|
|
|
|
vtkSphericalTransform transform
|
|
|
|
vtkTransformPolyDataFilter tpoly
|
|
tpoly SetInputConnection [plane GetOutputPort]
|
|
tpoly SetTransform transform
|
|
|
|
# also cover the inverse transformation by going back and forth
|
|
vtkTransformPolyDataFilter tpoly2
|
|
tpoly2 SetInputConnection [tpoly GetOutputPort]
|
|
tpoly2 SetTransform [transform GetInverse]
|
|
|
|
vtkTransformPolyDataFilter tpoly3
|
|
tpoly3 SetInputConnection [tpoly2 GetOutputPort]
|
|
tpoly3 SetTransform transform
|
|
|
|
vtkDataSetMapper mapper
|
|
mapper SetInputConnection [tpoly3 GetOutputPort]
|
|
|
|
vtkPNMReader earth
|
|
earth SetFileName "$VTK_DATA_ROOT/Data/earth.ppm"
|
|
|
|
vtkTexture texture
|
|
texture SetInputConnection [earth GetOutputPort]
|
|
texture InterpolateOn
|
|
|
|
vtkActor world
|
|
world SetMapper mapper
|
|
world SetTexture texture
|
|
|
|
# Add the actors to the renderer, set the background and size
|
|
#
|
|
ren1 AddActor world
|
|
ren1 SetBackground 0.1 0.2 0.4
|
|
renWin SetSize 300 300
|
|
[ren1 GetActiveCamera] SetPosition 8 -10 6
|
|
[ren1 GetActiveCamera] SetFocalPoint 0 0 0
|
|
[ren1 GetActiveCamera] SetViewAngle 15
|
|
[ren1 GetActiveCamera] SetViewUp 0.0 0.0 1.0
|
|
|
|
# render the image
|
|
#
|
|
iren AddObserver UserEvent {wm deiconify .vtkInteract}
|
|
|
|
set cam1 [ren1 GetActiveCamera]
|
|
$cam1 Zoom 1.4
|
|
ren1 ResetCameraClippingRange
|
|
|
|
iren Initialize
|
|
|
|
# prevent the tk window from showing up then start the event loop
|
|
wm withdraw .
|
|
|
|
|
|
|