102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
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/* The code in this file is released into the Public Domain. */
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#include <iostream>
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#include <gdalcpp.hpp>
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#include <osmium/index/map/sparse_mem_array.hpp>
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#include <osmium/geom/ogr.hpp>
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#include <osmium/handler.hpp>
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#include <osmium/handler/node_locations_for_ways.hpp>
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#include <osmium/io/xml_input.hpp>
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#include <osmium/visitor.hpp>
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typedef osmium::index::map::SparseMemArray<osmium::unsigned_object_id_type, osmium::Location> index_type;
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typedef osmium::handler::NodeLocationsForWays<index_type> location_handler_type;
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class TestOverviewHandler : public osmium::handler::Handler {
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gdalcpp::Layer m_layer_nodes;
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gdalcpp::Layer m_layer_labels;
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gdalcpp::Layer m_layer_ways;
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osmium::geom::OGRFactory<> m_factory;
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public:
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explicit TestOverviewHandler(gdalcpp::Dataset& dataset) :
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m_layer_nodes(dataset, "nodes", wkbPoint),
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m_layer_labels(dataset, "labels", wkbPoint),
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m_layer_ways(dataset, "ways", wkbLineString) {
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m_layer_nodes.add_field("id", OFTReal, 10);
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m_layer_labels.add_field("id", OFTReal, 10);
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m_layer_labels.add_field("label", OFTString, 30);
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m_layer_ways.add_field("id", OFTReal, 10);
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m_layer_ways.add_field("test", OFTInteger, 3);
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}
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void node(const osmium::Node& node) {
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const char* label = node.tags().get_value_by_key("label");
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if (label) {
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gdalcpp::Feature feature(m_layer_labels, m_factory.create_point(node));
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feature.set_field("id", static_cast<double>(node.id()));
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feature.set_field("label", label);
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feature.add_to_layer();
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} else {
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gdalcpp::Feature feature(m_layer_nodes, m_factory.create_point(node));
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feature.set_field("id", static_cast<double>(node.id()));
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feature.add_to_layer();
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}
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}
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void way(const osmium::Way& way) {
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try {
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gdalcpp::Feature feature(m_layer_ways, m_factory.create_linestring(way));
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feature.set_field("id", static_cast<double>(way.id()));
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const char* test = way.tags().get_value_by_key("test");
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if (test) {
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feature.set_field("test", test);
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}
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feature.add_to_layer();
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} catch (osmium::geometry_error&) {
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std::cerr << "Ignoring illegal geometry for way " << way.id() << ".\n";
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}
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}
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};
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/* ================================================== */
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int main(int argc, char* argv[]) {
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if (argc != 2) {
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std::cerr << "Usage: " << argv[0] << " INFILE\n";
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exit(1);
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}
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std::string output_format("SQLite");
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std::string input_filename(argv[1]);
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std::string output_filename("testdata-overview.db");
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::unlink(output_filename.c_str());
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CPLSetConfigOption("OGR_SQLITE_SYNCHRONOUS", "FALSE");
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gdalcpp::Dataset dataset(output_format, output_filename, gdalcpp::SRS{}, { "SPATIALITE=TRUE" });
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osmium::io::Reader reader(input_filename);
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index_type index;
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location_handler_type location_handler(index);
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location_handler.ignore_errors();
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TestOverviewHandler handler(dataset);
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osmium::apply(reader, location_handler, handler);
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reader.close();
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}
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