sij/mapnik
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added a feature to geojson helper method

Browse source
This commit is contained in:
Blake Thompson 2015-04-02 09:28:45 -05:00
parent 63b97e2e52
commit 6f4f7a07be
1 changed files with 42 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
include/mapnik/util/feature_to_geojson.hpp Normal file
View file

@ -0,0 +1,42 @@
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2014 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#ifndef MAPNIK_FEATURE_TO_GEOJSON_HPP
#define MAPNIK_FEATURE_TO_GEOJSON_HPP
// mapnik
#include <mapnik/json/feature_generator_grammar.hpp>
namespace mapnik { namespace util {
inline bool to_geojson(std::string & json, mapnik::feature_impl const& feat)
{
using sink_type = std::back_insert_iterator<std::string>;
static const mapnik::json::feature_generator_grammar<sink_type, mapnik::feature_impl> grammar;
sink_type sink(json);
return boost::spirit::karma::generate(sink, grammar, feat);
}
}}
#endif // MAPNIK_FEATURE_TO_GEOJSON_HPP