package require vtk

vtkRenderer ren1
vtkRenderWindow renWin1
  renWin1 AddRenderer ren1

vtk3DSImporter importer
  importer SetRenderWindow renWin1
  importer ComputeNormalsOn
  importer SetFileName "$VTK_DATA_ROOT/Data/iflamigm.3ds"
  importer Read

[importer GetRenderer] SetBackground 0.1 0.2 0.4
[importer GetRenderWindow] SetSize 150 150

#
# the importer created the renderer
set renCollection [renWin1 GetRenderers] 
$renCollection InitTraversal
set ren [$renCollection GetNextItem]

#
# change view up to +z
#
[$ren GetActiveCamera] ParallelProjectionOn
[$ren GetActiveCamera] SetPosition 0 1 0
[$ren GetActiveCamera] SetFocalPoint 0 0 0
[$ren GetActiveCamera] SetViewUp 0 0 1

#
# let the renderer compute good position and focal point
#
$ren ResetCamera
[$ren GetActiveCamera] Zoom 1.4
ren1 ResetCameraClippingRange

# render the large image
#
wm withdraw .

vtkRenderLargeImage renderLarge
  renderLarge SetInput ren1
  renderLarge SetMagnification 3
  renderLarge Update

vtkImageViewer viewer
  viewer SetInputConnection [renderLarge GetOutputPort]
  viewer SetColorWindow 255
  viewer SetColorLevel 127.5
  viewer Render

# on several opengl X window unix implementations
# multiple context deletes cause errors
# so we leak the renWin1 in this test for unix
if { $tcl_platform(platform) == "unix" } {
  renWin1 Register ren1
  vtkDebugLeaks dl
  dl SetExitError 0
  dl Delete
}