8e7ec41f18
- site vitrine + fingerprint test + zmap + z-panel - remplacement duckdns -> riricdev.tail5ea5cd.ts.net (canonical/og/alternates/docs) - suppression du token DuckDNS (plus utilisé)
138 lines
4 KiB
C++
138 lines
4 KiB
C++
#include <osmium/io/any_input.hpp>
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#include <osmium/visitor.hpp>
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#include <osmium/handler/node_locations_for_ways.hpp>
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#include <osmium/index/map/sparse_file_array.hpp>
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#include <osmium/osm/way.hpp>
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#include <cstdio>
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#include <cstdint>
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#include <cstring>
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#include <cmath>
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#include <string>
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#include <vector>
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#include <algorithm>
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#include <filesystem>
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#include <fcntl.h>
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#include <unistd.h>
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namespace fs = std::filesystem;
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using index_type = osmium::index::map::SparseFileArray<osmium::unsigned_object_id_type, osmium::Location>;
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using location_handler_type = osmium::handler::NodeLocationsForWays<index_type>;
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static constexpr double CELL = 0.5;
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static constexpr double LON_MIN = -180.0;
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static constexpr double LAT_MIN = -60.0;
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static constexpr double LON_MAX = 180.0;
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static constexpr double LAT_MAX = 85.0;
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struct RawPoint {
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int32_t col;
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int32_t row;
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uint16_t lonq;
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uint16_t latq;
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uint8_t speed;
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};
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static inline uint16_t quantize_lon(double lon) {
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return static_cast<uint16_t>((lon - LON_MIN) / (LON_MAX - LON_MIN) * 65535.0);
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}
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static inline uint16_t quantize_lat(double lat) {
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return static_cast<uint16_t>((lat - LAT_MIN) / (LAT_MAX - LAT_MIN) * 65535.0);
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}
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static inline uint8_t parse_speed_val(const char* s) {
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if (!s || !*s) return 0;
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char* end = nullptr;
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double v = strtod(s, &end);
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if (end != s && v > 0 && v <= 255) return static_cast<uint8_t>(v);
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if (strstr(s, "mph")) {
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v = strtod(s, &end);
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if (end != s) {
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v *= 1.609;
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if (v > 0 && v <= 255) return static_cast<uint8_t>(v);
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}
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}
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return 0;
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}
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class StreamHandler : public osmium::handler::Handler {
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public:
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FILE* out;
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uint64_t way_count = 0;
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uint64_t point_count = 0;
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explicit StreamHandler(FILE* f) : out(f) {}
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void way(const osmium::Way& way) {
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const char* highway = way.tags().get_value_by_key("highway");
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if (!highway) return;
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const char* ms = way.tags().get_value_by_key("maxspeed");
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uint8_t speed = ms ? parse_speed_val(ms) : 0;
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if (speed == 0) return;
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way_count++;
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for (const auto& wn : way.nodes()) {
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if (!wn.location().valid()) continue;
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double lon = wn.location().lon();
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double lat = wn.location().lat();
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if (lon < LON_MIN || lon >= LON_MAX || lat < LAT_MIN || lat >= LAT_MAX) continue;
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RawPoint rp;
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rp.col = static_cast<int32_t>((lon - LON_MIN) / CELL);
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rp.row = static_cast<int32_t>((lat - LAT_MIN) / CELL);
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rp.lonq = quantize_lon(lon);
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rp.latq = quantize_lat(lat);
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rp.speed = speed;
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fwrite(&rp, sizeof(RawPoint), 1, out);
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point_count++;
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if (point_count % 5000000 == 0) {
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fprintf(stderr, " %lu points (%lu ways)...\n", point_count, way_count);
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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 < 3) {
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fprintf(stderr, "Usage: %s <input.pbf> <output.raw>\n", argv[0]);
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return 1;
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}
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const char* input = argv[1];
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const char* outpath = argv[2];
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fs::create_directories(fs::path(outpath).parent_path());
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FILE* out = fopen(outpath, "wb");
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if (!out) { fprintf(stderr, "Cannot open %s\n", outpath); return 1; }
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std::string idx_path = std::string(outpath) + ".idx";
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int idx_fd = ::open(idx_path.c_str(), O_CREAT | O_RDWR | O_TRUNC, 0644);
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if (idx_fd == -1) { fprintf(stderr, "Cannot create index\n"); fclose(out); return 1; }
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index_type index(idx_fd);
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location_handler_type location_handler(index);
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StreamHandler handler(out);
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fprintf(stderr, "Reading %s...\n", input);
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osmium::io::Reader reader(input);
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osmium::apply(reader, location_handler, handler);
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reader.close();
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fclose(out);
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::close(idx_fd);
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unlink(idx_path.c_str());
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fprintf(stderr, "Ways with maxspeed: %lu\n", handler.way_count);
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fprintf(stderr, "Points written: %lu\n", handler.point_count);
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fprintf(stderr, "Output: %s\n", outpath);
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return 0;
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}
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