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sort index array by offsets

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This commit is contained in:
artemp 2015-01-16 17:19:59 +01:00
parent b15224af1b
commit da02dc40c2
1 changed files with 5 additions and 0 deletions
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5
plugins/input/large_geojson/large_geojson_datasource.cpp
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@ -25,6 +25,7 @@
#include <fstream>
#include <algorithm>
#include <functional>
// boost
@ -314,10 +315,14 @@ mapnik::featureset_ptr large_geojson_datasource::features(mapnik::query const& q
{
#if BOOST_VERSION >= 105600
large_geojson_featureset::array_type index_array;
using item_type = large_geojson_featureset::array_type::value_type;
if (tree_)
{
tree_->query(boost::geometry::index::intersects(box),std::back_inserter(index_array));
std::cerr << "Query size=" << index_array.size() << std::endl;
std::cerr << "Sort index_array by offsets" << std::endl;
std::sort(index_array.begin(),index_array.end(), [](item_type const& item0, item_type const& item1) {return item0.second < item1.second;});
std::cerr << "Done" << std::endl;
return std::make_shared<large_geojson_featureset>(filename_, std::move(index_array));
}
#else