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added helper function to print turns

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Menelaos Karavelas
2014-02-10 11:06:19 +02:00
parent 7abd905013
commit e87d9ccb55
1 changed files with 80 additions and 0 deletions
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include/boost/geometry/algorithms/detail/turns/print_turns.hpp Normal file
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#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_TURNS_PRINT_TURNS_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_TURNS_PRINT_TURNS_HPP
#include <boost/geometry/algorithms/detail/overlay/traversal_info.hpp>
#include <boost/geometry/algorithms/detail/overlay/turn_info.hpp>
#include <boost/geometry/algorithms/detail/overlay/debug_turn_info.hpp>
#include <boost/foreach.hpp>
#include <boost/geometry/geometry.hpp>
namespace boost { namespace geometry
{
namespace detail { namespace turns
{
template <typename Geometry1, typename Geometry2, typename Turns>
static inline void print_turns(Geometry1 const& g1,
Geometry2 const& g2,
Turns const& turns)
{
typedef typename point_type<Geometry1>::type Point1;
typedef overlay::traversal_turn_info<Point1> turn_info;
std::cout << geometry::wkt(g1) << std::endl;
std::cout << geometry::wkt(g2) << std::endl;
int index = 0;
BOOST_FOREACH(turn_info const& turn, turns)
{
// std::ostringstream out;
std::ostream& out = std::cout;
out << index
<< ": " << geometry::method_char(turn.method);
if ( turn.is_discarded() )
out << " (discarded)\n";
else if ( turn.blocked() )
out << " (blocked)\n";
else
out << '\n';
out << geometry::operation_char(turn.operations[0].operation)
<<": seg: " << turn.operations[0].seg_id.source_index
<< ", m: " << turn.operations[0].seg_id.multi_index
<< ", r: " << turn.operations[0].seg_id.ring_index
<< ", s: " << turn.operations[0].seg_id.segment_index << ", ";
out << "other: " << turn.operations[0].other_id.source_index
<< ", m: " << turn.operations[0].other_id.multi_index
<< ", r: " << turn.operations[0].other_id.ring_index
<< ", s: " << turn.operations[0].other_id.segment_index;
out << ' ' << geometry::dsv(turn.point) << ' ';
out << '\n';
out << geometry::operation_char(turn.operations[1].operation)
<< ": seg: " << turn.operations[1].seg_id.source_index
<< ", m: " << turn.operations[1].seg_id.multi_index
<< ", r: " << turn.operations[1].seg_id.ring_index
<< ", s: " << turn.operations[1].seg_id.segment_index << ", ";
out << "other: " << turn.operations[1].other_id.source_index
<< ", m: " << turn.operations[1].other_id.multi_index
<< ", r: " << turn.operations[1].other_id.ring_index
<< ", s: " << turn.operations[1].other_id.segment_index;
out << ' ' << geometry::dsv(turn.point) << ' ';
++index;
std::cout << std::endl;
}
}
}} // namespace detail::turns
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_TURNS_PRINT_TURNS_HPP