mirror of
https://github.com/felt/tippecanoe.git
synced 2026-10-02 08:25:40 +02:00
Erica Fischer
d359461e61
* 16 bits is enough for tile numbers
* Revert "16 bits is enough for tile numbers"
This reverts commit 71a0c4e1cf.
* Check what child tiles each overzoomed tile will have
and don't queue further overzooming of empty tiles
* Clean up naming; use std::move to avoid copying large arrays
100 lines
1.9 KiB
C++
100 lines
1.9 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <string>
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#include <set>
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#include "errors.hpp"
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#include "mvt.hpp"
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#include "geometry.hpp"
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extern char *optarg;
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extern int optind;
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int detail = 12; // tippecanoe-style: mvt extent == 1 << detail
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int buffer = 5; // tippecanoe-style: mvt buffer == extent * buffer / 256;
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std::set<std::string> keep;
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void usage(char **argv) {
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fprintf(stderr, "Usage: %s -o newtile.pbf.gz tile.pbf.gz oz/ox/oy nz/nx/ny\n", argv[0]);
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fprintf(stderr, "to create tile nz/nx/ny from tile oz/ox/oy\n");
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exit(EXIT_FAILURE);
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}
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int main(int argc, char **argv) {
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int i;
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const char *outfile = NULL;
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while ((i = getopt(argc, argv, "y:o:d:b:")) != -1) {
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switch (i) {
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case 'y':
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keep.insert(optarg);
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break;
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case 'o':
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outfile = optarg;
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break;
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case 'd':
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detail = atoi(optarg);
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break;
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case 'b':
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buffer = atoi(optarg);
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break;
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default:
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usage(argv);
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}
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}
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if (argc - optind != 3) {
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usage(argv);
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}
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if (outfile == NULL) {
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usage(argv);
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}
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const char *infile = argv[optind + 0];
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int oz, ox, oy;
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if (sscanf(argv[optind + 1], "%d/%d/%d", &oz, &ox, &oy) != 3) {
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fprintf(stderr, "%s: not in z/x/y form\n", argv[optind + 1]);
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usage(argv);
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}
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int nz, nx, ny;
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if (sscanf(argv[optind + 2], "%d/%d/%d", &nz, &nx, &ny) != 3) {
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fprintf(stderr, "%s: not in z/x/y form\n", argv[optind + 2]);
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usage(argv);
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}
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std::string tile;
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char buf[1000];
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int len;
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FILE *f = fopen(infile, "rb");
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if (f == NULL) {
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perror(infile);
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exit(EXIT_FAILURE);
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}
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while ((len = fread(buf, sizeof(char), 1000, f)) > 0) {
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tile.append(std::string(buf, len));
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}
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fclose(f);
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f = fopen(outfile, "wb");
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if (f == NULL) {
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perror(outfile);
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exit(EXIT_FAILURE);
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}
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std::string out = overzoom(tile, oz, ox, oy, nz, nx, ny, detail, buffer, keep, true, NULL);
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fwrite(out.c_str(), sizeof(char), out.size(), f);
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fclose(f);
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return 0;
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}
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