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58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
#ifndef MBTILES_HPP
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#define MBTILES_HPP
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#include <math.h>
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#include <map>
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#include "mvt.hpp"
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extern size_t max_tilestats_attributes;
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extern size_t max_tilestats_sample_values;
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extern size_t max_tilestats_values;
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struct type_and_string {
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int type = 0;
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std::string string = "";
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bool operator<(const type_and_string &o) const;
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bool operator!=(const type_and_string &o) const;
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};
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struct type_and_string_stats {
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std::vector<type_and_string> sample_values = std::vector<type_and_string>(); // sorted
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double min = INFINITY;
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double max = -INFINITY;
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int type = 0;
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};
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struct layermap_entry {
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size_t id = 0;
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std::map<std::string, type_and_string_stats> file_keys{};
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int minzoom = 0;
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int maxzoom = 0;
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std::string description = "";
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size_t points = 0;
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size_t lines = 0;
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size_t polygons = 0;
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size_t retain = 0; // keep for tilestats, even if no features directly here
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layermap_entry(size_t _id) {
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id = _id;
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}
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};
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sqlite3 *mbtiles_open(char *dbname, char **argv, int forcetable);
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void mbtiles_write_tile(sqlite3 *outdb, int z, int tx, int ty, const char *data, int size);
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void mbtiles_write_metadata(sqlite3 *outdb, const char *outdir, const char *fname, int minzoom, int maxzoom, double minlat, double minlon, double maxlat, double maxlon, double midlat, double midlon, int forcetable, const char *attribution, std::map<std::string, layermap_entry> const &layermap, bool vector, const char *description, bool do_tilestats, std::map<std::string, std::string> const &attribute_descriptions, std::string const &program);
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void mbtiles_close(sqlite3 *outdb, const char *pgm);
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std::map<std::string, layermap_entry> merge_layermaps(std::vector<std::map<std::string, layermap_entry> > const &maps);
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std::map<std::string, layermap_entry> merge_layermaps(std::vector<std::map<std::string, layermap_entry> > const &maps, bool trunc);
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void add_to_file_keys(std::map<std::string, type_and_string_stats> &file_keys, std::string const &layername, type_and_string const &val);
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#endif
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