/***************************************************************************** * * This file is part of Mapnik (c++ mapping toolkit) * * Copyright (C) 2011 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 * *****************************************************************************/ //$Id$ #include <iostream> #include <string> #include <mapnik/geometry.hpp> #include <mapnik/feature.hpp> #include <mapnik/datasource_cache.hpp> #include <mapnik/util/geometry_to_wkb.hpp> #include <boost/foreach.hpp> int main (int argc, char ** argv ) { if ( argc !=2) { std::cerr << "Usage: " << argv[0] << " <path-to-shapefile>\n"; return EXIT_SUCCESS; } std::cerr << "Geometry to WKB converter\n"; mapnik::datasource_cache::instance()->register_datasources("/opt/mapnik/lib/mapnik/input/"); std::string filename(argv[1]); std::cerr << filename << std::endl; mapnik::parameters p; p["type"] = "shape"; p["file"] = filename; mapnik::datasource_ptr ds; try { ds = mapnik::datasource_cache::instance()->create(p); } catch ( ... ) { std::cerr << "Can't create datasource!\n"; return EXIT_FAILURE; } if (ds) { std::cerr << ds->envelope() << std::endl; mapnik::query q(ds->envelope()); mapnik::layer_descriptor layer_desc = ds->get_descriptor(); BOOST_FOREACH ( mapnik::attribute_descriptor const& attr_desc, layer_desc.get_descriptors()) { q.add_property_name(attr_desc.get_name()); } mapnik::featureset_ptr fs = ds->features(q); mapnik::feature_ptr f = fs->next(); while(f) { std::cerr << *f << std::endl; boost::ptr_vector<mapnik::geometry_type> & paths = f->paths(); BOOST_FOREACH ( mapnik::geometry_type const& geom, paths) { // NDR { mapnik::util::wkb_buffer_ptr wkb = mapnik::util::to_wkb(geom,mapnik::util::wkbNDR); std::cerr << mapnik::util::to_hex(wkb->buffer(),wkb->size()) << std::endl; } // XDR { mapnik::util::wkb_buffer_ptr wkb = mapnik::util::to_wkb(geom,mapnik::util::wkbXDR); std::cerr << mapnik::util::to_hex(wkb->buffer(),wkb->size()) << std::endl; } } f = fs->next(); } } return EXIT_SUCCESS; }