257 lines
8.4 KiB
C++
257 lines
8.4 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) 2021 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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#include <iostream>
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#include <vector>
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#include <string>
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#include <fstream>
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#include <mapnik/version.hpp>
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#include <mapnik/util/fs.hpp>
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#include <mapnik/quad_tree.hpp>
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#include <mapnik/util/spatial_index.hpp>
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#include "process_csv_file.hpp"
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#include "process_geojson_file_x3.hpp"
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#include <mapnik/warning.hpp>
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MAPNIK_DISABLE_WARNING_PUSH
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#include <mapnik/warning_ignore.hpp>
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#include <boost/algorithm/string.hpp>
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#include <boost/program_options.hpp>
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MAPNIK_DISABLE_WARNING_POP
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const int DEFAULT_DEPTH = 8;
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const double DEFAULT_RATIO = 0.55;
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namespace mapnik {
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namespace detail {
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bool is_csv(std::string const& filename)
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{
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return boost::iends_with(filename, ".csv") || boost::iends_with(filename, ".tsv");
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}
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bool is_geojson(std::string const& filename)
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{
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return boost::iends_with(filename, ".geojson") || boost::iends_with(filename, ".json");
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}
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} // namespace detail
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} // namespace mapnik
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int main(int argc, char** argv)
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{
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// using namespace mapnik;
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namespace po = boost::program_options;
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bool verbose = false;
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bool validate_features = false;
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unsigned int depth = DEFAULT_DEPTH;
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double ratio = DEFAULT_RATIO;
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std::vector<std::string> files;
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char separator = 0;
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char quote = 0;
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std::string manual_headers;
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mapnik::box2d<float> bbox;
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bool use_bbox = false;
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po::variables_map vm;
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try
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{
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po::options_description desc("Mapnik CSV/GeoJSON index utility");
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// clang-format off
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desc.add_options()
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("help,h", "Produce usage message")
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("version,V","Print version string")
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("verbose,v","Verbose output")
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("depth,d", po::value<unsigned int>(), "Max tree depth\n(default 8)")
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("ratio,r",po::value<double>(),"Split ratio (default 0.55)")
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("separator,s", po::value<char>(), "CSV columns separator")
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("quote,q", po::value<char>(), "CSV columns quote")
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("manual-headers,H", po::value<std::string>(), "CSV manual headers string")
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("files",po::value<std::vector<std::string> >(),"Files to index: file1 file2 ...fileN")
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("validate-features", "Validate GeoJSON features")
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("bbox,b", po::value<std::string>(), "Only index features within bounding box: --bbox=minx,miny,maxx,maxy")
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;
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// clang-format on
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po::positional_options_description p;
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p.add("files", -1);
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po::store(po::command_line_parser(argc, argv)
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.options(desc)
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.style(po::command_line_style::unix_style | po::command_line_style::allow_long_disguise)
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.positional(p)
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.run(),
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vm);
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po::notify(vm);
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if (vm.count("version"))
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{
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std::clog << "version " << MAPNIK_VERSION_STRING << std::endl;
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return 1;
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}
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if (vm.count("help"))
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{
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std::clog << desc << std::endl;
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return 1;
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}
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if (vm.count("verbose"))
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{
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verbose = true;
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}
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if (vm.count("validate-features"))
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{
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validate_features = true;
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}
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if (vm.count("depth"))
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{
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depth = vm["depth"].as<unsigned int>();
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}
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if (vm.count("ratio"))
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{
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ratio = vm["ratio"].as<double>();
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}
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if (vm.count("separator"))
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{
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separator = vm["separator"].as<char>();
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}
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if (vm.count("quote"))
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{
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quote = vm["quote"].as<char>();
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}
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if (vm.count("manual-headers"))
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{
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manual_headers = vm["manual-headers"].as<std::string>();
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}
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if (vm.count("files"))
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{
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files = vm["files"].as<std::vector<std::string>>();
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}
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if (vm.count("bbox") && bbox.from_string(vm["bbox"].as<std::string>()))
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{
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use_bbox = true;
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}
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}
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catch (std::exception const& ex)
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{
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std::clog << "Error: " << ex.what() << std::endl;
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return EXIT_FAILURE;
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}
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std::vector<std::string> files_to_process;
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for (auto const& filename : files)
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{
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if (!mapnik::util::exists(filename))
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{
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continue;
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}
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if (mapnik::detail::is_csv(filename) || mapnik::detail::is_geojson(filename))
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{
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files_to_process.push_back(filename);
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}
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}
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if (files_to_process.size() == 0)
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{
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std::clog << "no files to index" << std::endl;
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return EXIT_FAILURE;
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}
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std::clog << "max tree depth:" << depth << std::endl;
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std::clog << "split ratio:" << ratio << std::endl;
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using box_type = mapnik::box2d<float>;
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using item_type = std::pair<box_type, std::pair<std::uint64_t, std::uint64_t>>;
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for (auto const& filename : files_to_process)
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{
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if (!mapnik::util::exists(filename))
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{
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std::clog << "Error : file " << filename << " does not exist" << std::endl;
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continue;
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}
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std::vector<item_type> boxes;
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box_type extent;
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if (mapnik::detail::is_csv(filename))
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{
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std::clog << "processing '" << filename << "' as CSV\n";
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auto result = mapnik::detail::process_csv_file(boxes, filename, manual_headers, separator, quote);
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if (!result.first)
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{
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std::clog << "Error: failed to process " << filename << std::endl;
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return EXIT_FAILURE;
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}
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extent = result.second;
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}
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else if (mapnik::detail::is_geojson(filename))
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{
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std::clog << "processing '" << filename << "' as GeoJSON\n";
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std::pair<bool, mapnik::box2d<float>> result;
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result = mapnik::detail::process_geojson_file_x3(boxes, filename, validate_features, verbose);
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if (!result.first)
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{
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std::clog << "Error: failed to process " << filename << std::endl;
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return EXIT_FAILURE;
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}
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extent = result.second;
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}
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if (extent.valid())
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{
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auto tree_extent = use_bbox ? bbox : extent;
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std::clog << tree_extent << std::endl;
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mapnik::quad_tree<mapnik::util::index_record, mapnik::box2d<float>> tree(tree_extent, depth, ratio);
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for (auto const& item : boxes)
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{
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auto ext_f = std::get<0>(item);
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if (use_bbox && !bbox.intersects(ext_f))
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continue;
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mapnik::util::index_record rec = {std::get<1>(item).first, std::get<1>(item).second, ext_f};
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tree.insert(rec, ext_f);
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}
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std::fstream file((filename + ".index").c_str(),
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std::ios::in | std::ios::out | std::ios::trunc | std::ios::binary);
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if (!file)
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{
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std::clog << "cannot open index file for writing file \"" << (filename + ".index") << "\"" << std::endl;
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}
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else
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{
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tree.trim();
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std::clog << "number nodes=" << tree.count() << std::endl;
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std::clog << "number element=" << tree.count_items() << std::endl;
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file.exceptions(std::ios::failbit | std::ios::badbit);
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tree.write(file);
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file.flush();
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file.close();
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}
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}
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else
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{
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std::clog << "Invalid extent " << extent << std::endl;
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return EXIT_FAILURE;
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}
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}
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std::clog << "done!" << std::endl;
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return EXIT_SUCCESS;
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}
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