Added pan + zoom to diagram viewer; show_diagram() didn't return; added PyQt, PyOpenGL, NumPy as dependencies in the docs
#include <utilities/log.h>
#include <boost/python.hpp>
#include "utils.h"
namespace bp = boost::python;
namespace dp = dionysus::python;
void export_simplex();
void export_filtration();
void export_static_persistence();
void export_dynamic_persistence_chains();
void export_chain();
void export_birthid();
void export_zigzag_persistence();
void export_cohomology_persistence();
void export_point();
void export_persistence_diagram();
void export_rips();
void export_pairwise_distances();
#ifndef NO_CGAL
void export_alphashapes2d();
void export_alphashapes3d();
#endif
#ifdef LOGGING
void enable_log(std::string s)
{
stdoutLog.subscribeTo(RLOG_CHANNEL(s.c_str()));
}
#endif
BOOST_PYTHON_MODULE(_dionysus)
{
bp::to_python_converter<std::pair<double, bool>, dp::PairToTupleConverter<double, bool> >();
export_simplex();
export_filtration();
export_static_persistence();
export_dynamic_persistence_chains();
export_chain();
export_point();
export_persistence_diagram();
export_birthid();
export_zigzag_persistence();
export_cohomology_persistence();
export_rips();
export_pairwise_distances();
#ifndef NO_CGAL
export_alphashapes2d();
export_alphashapes3d();
#endif
#ifdef LOGGING
bp::def("enable_log", &enable_log);
#endif
};