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topojson

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+ populate r-tree index
This commit is contained in:
artemp 2013-10-01 17:22:41 +01:00
parent 20a0f55e7d
commit bfcf356b84
1 changed files with 10 additions and 3 deletions
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13
plugins/input/topojson/topojson_datasource.cpp
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@ -41,14 +41,13 @@
#include <mapnik/unicode.hpp>
#include <mapnik/utils.hpp>
#include <mapnik/feature.hpp>
//#include <mapnik/feature_kv_iterator.hpp>
#include <mapnik/value_types.hpp>
#include <mapnik/box2d.hpp>
#include <mapnik/debug.hpp>
#include <mapnik/proj_transform.hpp>
#include <mapnik/projection.hpp>
//#include <mapnik/util/geometry_to_ds_type.hpp>
#include <mapnik/json/topojson_grammar.hpp>
#include <mapnik/json/topojson_utils.hpp>
using mapnik::datasource;
using mapnik::parameters;
@ -100,7 +99,15 @@ topojson_datasource::topojson_datasource(parameters const& params)
throw mapnik::datasource_exception("topojson_datasource: Failed parse TopoJSON file '" + file_ + "'");
}
// tree_.insert(box_type(point_type(box.minx(),box.miny()),point_type(box.maxx(),box.maxy())), count++);
std::size_t count = 0;
for (auto const& geom : topo_.geometries)
{
mapnik::box2d<double> bbox = boost::apply_visitor(mapnik::topojson::bounding_box_visitor(topo_), geom);
if (bbox.valid())
{
tree_.insert(box_type(point_type(bbox.minx(),bbox.miny()),point_type(bbox.maxx(),bbox.maxy())), count++);
}
}
}
topojson_datasource::~topojson_datasource() { }