This example gets the frustum from a camera and displays it on the screen.
CMakeLists.txt
cmake_minimum_required(VERSION 2.6)
PROJECT(Frustum)
FIND_PACKAGE(VTK REQUIRED)
INCLUDE(${VTK_USE_FILE})
ADD_EXECUTABLE(DisplayFrustum DisplayFrustum.cxx)
TARGET_LINK_LIBRARIES(DisplayFrustum vtkHybrid)