Added pan + zoom to diagram viewer; show_diagram() didn't return; added PyQt, PyOpenGL, NumPy as dependencies in the docs
set (targets
rips-consistency-zigzag)
foreach (t ${targets})
add_executable (${t} ${t}.cpp)
target_link_libraries (${t} ${libraries} ${Boost_PROGRAM_OPTIONS_LIBRARY} ${Boost_SERIALIZATION_LIBRARY})
endforeach (t ${targets})