75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2011 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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// stl
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#include <iostream>
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#include <cmath>
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// mapnik
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#include <mapnik/map.hpp>
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#include <mapnik/layer.hpp>
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#include <mapnik/box2d.hpp>
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#include <mapnik/agg_renderer.hpp>
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#include <mapnik/image_util.hpp>
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#include <mapnik/load_map.hpp>
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#include <mapnik/datasource_cache.hpp>
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#include <mapnik/font_engine_freetype.hpp>
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#include <mapnik/projection.hpp>
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int main(int argc,char *argv[])
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{
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if (argc < 6)
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{
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std::cerr << "Usage: render XMLfile w s e n [OSMfile]" << std::endl;
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exit(0);
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}
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mapnik::datasource_cache::instance().register_datasources("/usr/local/lib/mapnik/input");
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mapnik::freetype_engine::register_font("/usr/local/lib/mapnik/fonts/DejaVuSans.ttf");
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mapnik::Map m(800, 800);
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mapnik::load_map(m, argv[1]);
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if (argc > 6)
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{
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mapnik::parameters p;
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p["type"] = "osm";
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p["file"] = argv[6];
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for (int count = 0; count < m.layer_count(); count++)
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{
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mapnik::parameters q = m.get_layer(count).datasource()->params();
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m.get_layer(count).set_datasource(mapnik::datasource_cache::instance().create(p));
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}
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}
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mapnik::box2d<double> bbox (atof(argv[2]), atof(argv[3]), atof(argv[4]), atof(argv[5]));
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m.zoom_to_box(bbox);
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mapnik::image_32 buf (m.width(), m.height());
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mapnik::agg_renderer<mapnik::image_32> r(m, buf);
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r.apply();
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mapnik::save_to_file<mapnik::image_data_32>(buf.data(), "blah.png", "png");
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return 0;
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}
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