[vtkusers] Transparent Viewport

[Alireza Mehrtash]

Hi All,

I have two renderers in a render window ​with one of them as a bottom left
viewport (the code and the picture are attached). I want the viewport
renderer to be transparent exactly like the vtk oreientation marker [1]. I
would appreciate if you help me achieving this.

Thanks,
Alireza


[1] http://www.itk.org/Wiki/VTK/Examples/Cxx/Widgets/OrientationMarkerWidget
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cmake_minimum_required(VERSION 2.8)

PROJECT(MultipleViewports)

find_package(VTK REQUIRED)
include(${VTK_USE_FILE})

add_executable(MultipleViewports MACOSX_BUNDLE MultipleViewports)

if(VTK_LIBRARIES)
  target_link_libraries(MultipleViewports ${VTK_LIBRARIES})
else()
  target_link_libraries(MultipleViewports vtkHybrid vtkWidgets)
endif()
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