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main.cpp
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main.cpp
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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2012 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
*
*****************************************************************************/
// mapnik
//#include <mapnik/vector_renderer_impl.hpp>
//#include <mapnik/feature_style_processor_impl.hpp>
#include <mapnik/debug.hpp>
#include <mapnik/load_map.hpp>
#include <mapnik/datasource_cache.hpp>
#include <mapnik/font_engine_freetype.hpp>
#include "vector_renderer.hpp"
#include "opensciencemap_backend.hpp"
#include "opensciencemap_backend_pbf.hpp"
#include <iostream>
#include <fstream>
#include <mapnik/config.hpp>
int main(int argc, char** argv)
{
if (argc != 2)
{
std::cerr << "Usage: " << argv[0] << " <mapfile>" << std::endl;
return EXIT_FAILURE;
}
mapnik::datasource_cache::instance().register_datasources("/opt/mapnik/lib/mapnik/input/");
mapnik::freetype_engine::register_fonts("/opt/mapnik/lib/mapnik/fonts/");
std::cerr << "vector tile server" << std::endl;
std::string mapfile(argv[1]);
mapnik::Map m(256,256); // tile map
try
{
std::cerr << "loading " << mapfile << "..." << std::endl;
mapnik::load_map(m, mapfile);
//m.zoom_to_box(mapnik::box2d<double>(-8024477.28459,5445190.38849,-7381388.20071,5662941.44855));
//m.zoom_to_box(mapnik::box2d<double>(-141233.598318,6756305.73374,-140782.086463,6756728.00478));
//mapnik::box2d<double> bbox(-141233.598318,6755505.73374,-140782.086463,6756728.00478);
//mapnik::box2d<double> bbox(-141233.598318 + 1000,6755505.73374 + 1000,-140782.086463+1000,6756728.00478+1000);
mapnik::box2d<double> bbox(-141867.12449728712,6760702.277767269,-141255.62827100573,6761313.773993552);
m.zoom_to_box(mapnik::box2d<double>(bbox));
//m.zoom_to_box(mapnik::box2d<double>(-144715.338031,6746062.31756,-133583.388952,6764043.36075));
}
catch (...)
{
std::cerr << "Opps.." << std::endl;
return EXIT_FAILURE;
}
std::string output;
mapnik::opensciencemap_backend_pbf backend(output);
mapnik::vector_renderer<mapnik::opensciencemap_backend_pbf> ren(m, backend);
ren.apply();
std::cerr << "TILE TAGS SIZE=" << backend.tags().size() << std::endl;
std::cerr << "TILE ELEM SIZE=" << backend.tile_elements().size() << std::endl;
uint32_t bytes = backend.output_vector_tile();
std::string trimmed = output.substr(0,bytes);
char head[4];
head[0] = (bytes >> 24) & 0xff;
head[1] = (bytes >> 16) & 0xff;
head[2] = (bytes >> 8) & 0xff;
head[3] = bytes & 0xff;
std::ofstream file("test.osmtile");
if (file)
{
file.write(head,4);
file.write(trimmed.c_str(), trimmed.size());
}
file.flush();
return EXIT_SUCCESS;
}