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[buffer] Add robust envelope per piece

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to support partition
This commit is contained in:
Barend Gehrels
2014-06-11 10:38:41 +02:00
parent f6c5f69495
commit 4c7b5d3fa4
1 changed files with 7 additions and 1 deletions
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8
include/boost/geometry/extensions/algorithms/buffer/buffered_piece_collection.hpp
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@@ -20,6 +20,7 @@
#include <boost/geometry/algorithms/equals.hpp>
#include <boost/geometry/algorithms/covered_by.hpp>
#include <boost/geometry/algorithms/envelope.hpp>
#include <boost/geometry/extensions/strategies/buffer_side.hpp>
@@ -205,8 +206,9 @@ struct buffered_piece_collection
std::vector<point_type> helper_segments; // 3 points for segment, 2 points for join - 0 points for flat-end
// Robust representations
std::vector<robust_turn> robust_turns;
std::vector<robust_turn> robust_turns; // Used only in rescale_pieces - we might use a map instead
geometry::model::ring<robust_point_type> robust_ring;
geometry::model::box<robust_point_type> robust_envelope;
};
typedef std::vector<piece> piece_vector_type;
@@ -726,6 +728,10 @@ struct buffered_piece_collection
pc.robust_ring.push_back(point);
}
}
// Calculate the envelope
geometry::detail::envelope::envelope_range::apply(pc.robust_ring,
pc.robust_envelope);
}
}