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Once features can't possibly fit in a tile, stop trying (#9)

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* Stop adding features to a tile if it can't possibly work

* Add --integer and --fraction options to tippecanoe-decode

* Carry the strategies field from tileset metadata through tile-join

* Update changelog

* Assign different codes to different kinds of error exits
This commit is contained in:
Erica Fischer
2022-09-23 20:01:13 -04:00
committed by GitHub
parent ed31b9ac84
commit af1a7ed7ae
44 changed files with 782 additions and 488 deletions
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enumerate.cpp
+7 -6
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@@ -2,19 +2,20 @@
#include <stdlib.h>
#include <unistd.h>
#include <sqlite3.h>
#include "errors.hpp"
void enumerate(char *fname) {
sqlite3 *db;
if (sqlite3_open(fname, &db) != SQLITE_OK) {
fprintf(stderr, "%s: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_FAILURE);
exit(EXIT_OPEN);
}
char *err = NULL;
if (sqlite3_exec(db, "PRAGMA integrity_check;", NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "%s: integrity_check: %s\n", fname, err);
exit(EXIT_FAILURE);
exit(EXIT_SQLITE);
}
const char *sql = "SELECT zoom_level, tile_column, tile_row from tiles order by zoom_level, tile_column, tile_row;";
@@ -22,7 +23,7 @@ void enumerate(char *fname) {
sqlite3_stmt *stmt;
if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) != SQLITE_OK) {
fprintf(stderr, "%s: select failed: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_FAILURE);
exit(EXIT_SQLITE);
}
while (sqlite3_step(stmt) == SQLITE_ROW) {
@@ -32,7 +33,7 @@ void enumerate(char *fname) {
if (zoom < 0 || zoom > 31) {
fprintf(stderr, "Corrupt mbtiles file: impossible zoom level %lld\n", zoom);
exit(EXIT_FAILURE);
exit(EXIT_IMPOSSIBLE);
}
y = (1LL << zoom) - 1 - y;
@@ -43,13 +44,13 @@ void enumerate(char *fname) {
if (sqlite3_close(db) != SQLITE_OK) {
fprintf(stderr, "%s: could not close database: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_FAILURE);
exit(EXIT_CLOSE);
}
}
void usage(char **argv) {
fprintf(stderr, "Usage: %s file.mbtiles ...\n", argv[0]);
exit(EXIT_FAILURE);
exit(EXIT_ARGS);
}
int main(int argc, char **argv) {